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A packager could say nothing of a programme's loudness, and a broadcast or streaming chain must deliver at a target (ATSC A/85, EBU R 128) and show it did. packaging §12 measures integrated loudness as ITU-R BS.1770 does — K-weighting, 400 ms blocks every 100 ms, the absolute gate at −70 LKFS and the relative gate 10 LU below — in integers only: the coefficients at 48 kHz in units of 2^−30, exact sums of squares, and a stated integer logarithm, so every implementation gives the same figure to the thousandth of an LU; BS.1770's calibration tone measures −3 004. It states the sample peak and the gain to a target under a peak ceiling. The packager signs a loudness statement (wai.pack.loudness, bs1770-int/1) naming the component, the SHA-256 of its samples, every figure, the target, the ceiling, the gain and its package receipt; a verifier holds the gain to the figures with no samples and recomputes every figure with them. `wai-pack loudness measure` writes one from a WAV source, verified against it before it is written, and `wai-pack loudness verify` checks one. Packaging's reasons are §13 now. The reference is the loudness module of wai-rs; the corpus is pack-conformance/loudness/ (10 programmes given as formulas of integers, the logarithm of ten integers, 26 statements), the tone's table and the filter's coefficients held to the text, with loudness_verify.py its second implementation: every case agrees, 10 of 10 mutated copies fail and 12 of 12 weakened verifiers are caught. Fourteen faults planted in the reference (the absolute gate, a 20 LU relative gate, the surround and LFE weights, the block step, the filter's rounding, the logarithm's last bit, the peak figure, the ceiling, the gain check, the source digest, the receipt, the first filter section, a coefficient off by one) each fail its tests. Co-Authored-By: Claude Opus 5.5 <[email protected]>
710 lines
33 KiB
JSON
710 lines
33 KiB
JSON
{
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"about": "Conformance corpus of extensions/packaging.md §12 (loudness): programmes described by a formula of integers (`tone`: one period of a 1 kHz tone at 48 kHz, `sine_1k`, times num / den, floored; `noise`: a linear congruential generator; `spike`: noise with one full-scale sample; `zero`), each with its measurement (§12.2, §12.3); and signed statements (§12.5) with the outcome each was written to have (§12.6). Every key is Ed25519 from a fixed 32-byte seed and attests nothing. Each programme is held by the generator to the loudness BS.1770's calibration or its construction declares. Regenerate with `wai_loudness_vectors gen`.",
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"18446744073709551616",
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"packager": "0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0",
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"programmes": [
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"name": "left_full_scale",
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"description": "A full-scale 1 kHz tone on the left channel: BS.1770's calibration, −3.01 LKFS.",
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"rate": 48000,
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"channels": 2,
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"segments": [
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{
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"frames": 72000,
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"sources": [
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{
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"kind": "tone",
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"num": 1,
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"den": 1
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},
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{
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"kind": "zero"
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}
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]
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}
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],
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"outcome": {
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"frames": 72000,
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"blocks": 12,
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"gated": 12,
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"integrated_milli": "-3004",
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"peak": 32767,
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"peak_milli": "-2"
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}
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},
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{
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"name": "stereo_minus_20",
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"description": "The tone at a tenth of full scale on both channels: about −20 LKFS.",
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"rate": 48000,
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"channels": 2,
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"segments": [
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"kind": "tone",
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"num": 1,
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"den": 10
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},
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{
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"kind": "tone",
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"num": 1,
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"den": 10
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}
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]
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}
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],
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"outcome": {
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"frames": 72000,
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"blocks": 12,
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"gated": 12,
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"integrated_milli": "-19994",
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"peak": 3277,
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"peak_milli": "-20000"
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}
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},
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{
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"name": "mono_noise",
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"description": "Noise on one channel.",
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"rate": 48000,
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"channels": 1,
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"segments": [
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{
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"frames": 57600,
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"sources": [
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{
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"kind": "noise",
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"seed": 11,
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"amp": 8000
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}
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]
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}
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],
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"outcome": {
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"frames": 57600,
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"blocks": 9,
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"gated": 9,
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"integrated_milli": "-13889",
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"peak": 8000,
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"peak_milli": "-12248"
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}
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},
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{
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"name": "relative_gate",
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"description": "Noise for a second, then noise 15 dB lower for a second: the quiet blocks fall under the relative gate, 10 LU below.",
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"rate": 48000,
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"channels": 2,
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"segments": [
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"kind": "noise",
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"seed": 21,
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"amp": 10000
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},
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{
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"kind": "noise",
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"seed": 22,
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"amp": 10000
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}
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]
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},
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "noise",
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"seed": 23,
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"amp": 1778
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{
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"kind": "noise",
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"outcome": {
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"blocks": 17,
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"gated": 10,
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"integrated_milli": "-9580",
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"peak": 10000,
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"peak_milli": "-10310"
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}
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},
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{
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"name": "absolute_gate",
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"description": "Noise of amplitude 3: every block under −70 LKFS.",
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"rate": 48000,
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"channels": 1,
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"segments": [
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "noise",
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"seed": 31,
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"amp": 3
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}
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]
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}
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],
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"outcome": {
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"frames": 48000,
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"blocks": 7,
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"gated": 0,
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"integrated_milli": null,
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"peak": 3,
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"peak_milli": "-80768"
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}
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},
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{
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"name": "silence",
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"description": "Silence: no loudness and no peak.",
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"rate": 48000,
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"channels": 2,
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"segments": [
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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],
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"outcome": {
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"blocks": 7,
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"peak": 0,
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"peak_milli": null
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}
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},
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{
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"name": "short",
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"description": "A programme shorter than one block.",
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"rate": 48000,
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"channels": 1,
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"segments": [
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{
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"frames": 19199,
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"sources": [
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{
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"kind": "tone",
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"num": 1,
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"den": 1
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}
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]
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}
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],
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"outcome": {
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"frames": 19199,
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"blocks": 0,
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"gated": 0,
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"integrated_milli": null,
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"peak": 32767,
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"peak_milli": "-2"
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}
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},
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{
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"name": "surround",
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"description": "5.1, the tone at a tenth of full scale on the left surround alone: weighted by 1.41, about −21.5 LKFS.",
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"rate": 48000,
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"channels": 6,
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"segments": [
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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},
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{
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"kind": "tone",
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"num": 1,
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"den": 10
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},
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{
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"kind": "zero"
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}
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]
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}
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],
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"outcome": {
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"frames": 48000,
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"blocks": 7,
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"gated": 7,
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"integrated_milli": "-21512",
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"peak": 3277,
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"peak_milli": "-20000"
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}
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},
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{
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"name": "lfe_only",
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"description": "5.1, a full-scale tone on the LFE alone: excluded, so no loudness.",
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"rate": 48000,
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"channels": 6,
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"segments": [
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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},
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{
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"kind": "tone",
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"num": 1,
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"den": 1
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},
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{
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"kind": "zero"
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},
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{
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"kind": "zero"
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}
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]
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}
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],
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"outcome": {
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"frames": 48000,
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"blocks": 7,
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"gated": 0,
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"integrated_milli": null,
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"peak": 32767,
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"peak_milli": "-2"
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}
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},
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{
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"name": "quiet_with_a_spike",
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"description": "Quiet noise with one full-scale sample: the peak limits a gain toward a loud target.",
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"rate": 48000,
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"channels": 2,
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"segments": [
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{
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"frames": 48000,
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"sources": [
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{
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"kind": "spike",
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"seed": 41,
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"amp": 2000,
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"at": 24000
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},
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{
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"kind": "noise",
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"seed": 42,
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"amp": 2000
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}
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]
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}
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],
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"outcome": {
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"frames": 48000,
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"blocks": 7,
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"gated": 7,
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"integrated_milli": "-22851",
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"peak": 32767,
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"peak_milli": "-2"
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}
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}
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],
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"statements": [
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{
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"name": "to_target",
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"description": "−20 LKFS to a target of −24: a gain of about −4 dB.",
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"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"66618f179776c8326546c6534a6a83398c5e9ae13da98bbcc6bf4549b5db21d30da5794dbbfdec87ba423d3d5b97441d2769e75ae271302a42da7220fd49770c\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
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"receipt_hash": null,
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"source": "stereo_minus_20",
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"outcome": {
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"verified": {
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"component": "audio",
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"integrated_milli": "-19994",
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"gain_milli": "-4006",
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"limited": "no"
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}
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}
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},
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{
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"name": "limited_by_the_peak",
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"description": "A quiet programme toward −14 with a full-scale sample: the gain stops at the ceiling.",
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"statement": "{\"blocks\":7,\"ceiling_milli\":\"-1000\",\"component\":\"audio\",\"gain_milli\":\"-998\",\"gated\":7,\"integrated_milli\":\"-22851\",\"kind\":\"wai.pack.loudness\",\"limited\":\"yes\",\"method\":\"bs1770-int/1\",\"peak\":32767,\"peak_milli\":\"-2\",\"receipt_hash\":null,\"sig\":\"3cc09285f46372cfe1f3cb7df8932e2aac8f61d910134e306b46bbc0d92e320708b0111e40e68c49e51d5097ad42663df15eaed2a08e908dee51ff9d4248640c\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":48000,\"rate\":48000,\"sha256\":\"35b9727025b89a4e46302fe3e8defc2268dce1129b6d972fc59ec6b51fc40ce9\"},\"target_milli\":\"-14000\",\"version\":1}\n",
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"receipt_hash": null,
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||
"source": "quiet_with_a_spike",
|
||
"outcome": {
|
||
"verified": {
|
||
"component": "audio",
|
||
"integrated_milli": "-22851",
|
||
"gain_milli": "-998",
|
||
"limited": "yes"
|
||
}
|
||
}
|
||
},
|
||
{
|
||
"name": "silence",
|
||
"description": "Silence: no loudness and no gain.",
|
||
"statement": "{\"blocks\":7,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":null,\"gated\":0,\"integrated_milli\":null,\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":0,\"peak_milli\":null,\"receipt_hash\":null,\"sig\":\"489c66c400045924a530ddc43d4ad39b5a94b4113a0adf4c7b68da9f4e1dc7bff5eb4c4ea0b84bf310e4f99caac78487901b084bc9b4431bda70a68f79de5f0b\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":48000,\"rate\":48000,\"sha256\":\"ea0787f65f73b0013d03b359490e3125211b28ad5c1502ffb1544c0ded4192f5\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "silence",
|
||
"outcome": {
|
||
"verified": {
|
||
"component": "audio",
|
||
"integrated_milli": null,
|
||
"gain_milli": null,
|
||
"limited": "no"
|
||
}
|
||
}
|
||
},
|
||
{
|
||
"name": "bound_to_a_receipt",
|
||
"description": "A statement naming its package's receipt, held to it.",
|
||
"statement": "{\"blocks\":7,\"ceiling_milli\":\"-1000\",\"component\":\"audio-51\",\"gain_milli\":\"-1488\",\"gated\":7,\"integrated_milli\":\"-21512\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":\"7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e\",\"sig\":\"5013f12e27ad46e6aeb2af7b90b5a70bd18a36333bea7166c0ced7a6ec4bc9fec48fd76761e22133bcb2723a6d129d37b279603fca4f69924c7b17a91d6ea90f\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":6,\"frames\":48000,\"rate\":48000,\"sha256\":\"5c90b7ed7fac693435e415fbe7cb84be459e6db8d3ecf266dbe3f9c4b4821ba8\"},\"target_milli\":\"-23000\",\"version\":1}\n",
|
||
"receipt_hash": "7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e",
|
||
"source": "surround",
|
||
"outcome": {
|
||
"verified": {
|
||
"component": "audio-51",
|
||
"integrated_milli": "-21512",
|
||
"gain_milli": "-1488",
|
||
"limited": "no"
|
||
}
|
||
}
|
||
},
|
||
{
|
||
"name": "without_the_source",
|
||
"description": "The statement held to its own figures alone.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"66618f179776c8326546c6534a6a83398c5e9ae13da98bbcc6bf4549b5db21d30da5794dbbfdec87ba423d3d5b97441d2769e75ae271302a42da7220fd49770c\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"verified": {
|
||
"component": "audio",
|
||
"integrated_milli": "-19994",
|
||
"gain_milli": "-4006",
|
||
"limited": "no"
|
||
}
|
||
}
|
||
},
|
||
{
|
||
"name": "another_receipt",
|
||
"description": "A statement held to another package's receipt.",
|
||
"statement": "{\"blocks\":7,\"ceiling_milli\":\"-1000\",\"component\":\"audio-51\",\"gain_milli\":\"-1488\",\"gated\":7,\"integrated_milli\":\"-21512\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":\"7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e7e\",\"sig\":\"5013f12e27ad46e6aeb2af7b90b5a70bd18a36333bea7166c0ced7a6ec4bc9fec48fd76761e22133bcb2723a6d129d37b279603fca4f69924c7b17a91d6ea90f\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":6,\"frames\":48000,\"rate\":48000,\"sha256\":\"5c90b7ed7fac693435e415fbe7cb84be459e6db8d3ecf266dbe3f9c4b4821ba8\"},\"target_milli\":\"-23000\",\"version\":1}\n",
|
||
"receipt_hash": "7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f",
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-receipt-mismatch"
|
||
}
|
||
},
|
||
{
|
||
"name": "another_source",
|
||
"description": "A statement held to another programme's samples, of the same rate and layout.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"66618f179776c8326546c6534a6a83398c5e9ae13da98bbcc6bf4549b5db21d30da5794dbbfdec87ba423d3d5b97441d2769e75ae271302a42da7220fd49770c\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "left_full_scale",
|
||
"outcome": {
|
||
"refuse": "loudness-source-mismatch"
|
||
}
|
||
},
|
||
{
|
||
"name": "not_json",
|
||
"description": "Not JSON.",
|
||
"statement": "{\"kind\": ",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "member_missing",
|
||
"description": "No peak_milli.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"receipt_hash\":null,\"sig\":\"e6c286bfd90de60e215d7619b4630b38b83f1d811058f0750bf79046dce620dfb064a3b69ad764e2fe69dedc2327053c414837c428179b6d0133820a31faaf02\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "member_added",
|
||
"description": "A member the text does not define.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"note\":\"x\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"242b0c6cbc0479c343de630d2f6e431f5ae78a21aae5b3782598eeece2b541419666002243db8622491c81540ef759fa5726ccbb6933a617a91e19c85d27cb03\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "integer_not_a_string",
|
||
"description": "The target as a JSON number.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"58c2b4f99b13b63877f513991e09c6e23b739940cbafaac36f15004d6e91b44615f420d50967ada485cd8a09c9806fc979c1a9f0ec0b25db7f13194116e15707\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":-24000,\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "negative_zero",
|
||
"description": "A target of \"-0\".",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"0039f53d3c4f0c52b148c4b00aa0c8856f969be42a1e3cd87bb2786f29f9f14fb12004180455cf34be015e20fd892e35c12d92bdd60da484f3168b8cd8042506\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-0\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "limited_not_a_word",
|
||
"description": "limited written true.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":true,\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"945d7672baa3ae139169b4f0e172c1eda461c4705812c83aa9b3c1988e14758418b73138b8addf85bb4adaf8dd98c2b65c44786fda7fc82391a8e06a2773d001\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "version_two",
|
||
"description": "Version 2.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"031e9de4fcaa92d4948f8a58864576f5c15761e0928ba374ce0cd41cc80130b997c838b6b0ac56c9202f9541a89db75c67d099d2f81b1638f49bd6aac0d6120a\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":2}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-malformed"
|
||
}
|
||
},
|
||
{
|
||
"name": "signature",
|
||
"description": "The signature's last digit changed.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"66618f179776c8326546c6534a6a83398c5e9ae13da98bbcc6bf4549b5db21d30da5794dbbfdec87ba423d3d5b97441d2769e75ae271302a42da7220fd497700\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-signature"
|
||
}
|
||
},
|
||
{
|
||
"name": "changed_after_signing",
|
||
"description": "The component renamed, the signature unchanged.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio-2\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"66618f179776c8326546c6534a6a83398c5e9ae13da98bbcc6bf4549b5db21d30da5794dbbfdec87ba423d3d5b97441d2769e75ae271302a42da7220fd49770c\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": null,
|
||
"outcome": {
|
||
"refuse": "loudness-signature"
|
||
}
|
||
},
|
||
{
|
||
"name": "rate",
|
||
"description": "A programme stated at 44.1 kHz.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"1bf6374bfe12f6201b4ce2372d2df82e5e1f758c20447bf91e49a121924a64a5dcc253b45bfbe0dce12bd17d9282b693f45567af16f9c2b3d16307147037ec01\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":44100,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-unsupported"
|
||
}
|
||
},
|
||
{
|
||
"name": "layout",
|
||
"description": "Three channels.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"03923f74de6f3d5e682d6276c6a51b56d550d070b964ace9280710a52892631b6e0b2fe64e337b705a74ce5f51ca9f6fef5feb69a7cdc7eb27511fe076456b04\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":3,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-unsupported"
|
||
}
|
||
},
|
||
{
|
||
"name": "method",
|
||
"description": "Another method.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-float\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"0c41d7f7974a675c19ce6893a674c88e8860dafebbcbafae83bd046ce7041fd5598cb978c58a36579b7e346634491f94235c388f2a34ec7cdb84840c296d7b0a\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-unsupported"
|
||
}
|
||
},
|
||
{
|
||
"name": "target_moved",
|
||
"description": "The target changed and the gain left as it was.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"52deade1f0776e1f94e0c5733c1697863767e21a635dd939a36f682cd975b8259a865ac745a516737c2781f632ce85ff2a9009b0cd34783f111a1701a28abf09\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-23000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-gain"
|
||
}
|
||
},
|
||
{
|
||
"name": "limited_flipped",
|
||
"description": "limited stated yes for a gain the ceiling did not limit.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"yes\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"4c8b0257b5ba82d3dac86706e7b7363f23cb28dfa22e92bc0dd87217fb80ffa3fb7dd4cf6d463b5872c55a6345f44898c0945adfce621ceb968f7bba6f700700\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-gain"
|
||
}
|
||
},
|
||
{
|
||
"name": "peak_figure",
|
||
"description": "A peak figure that is not its peak's.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-100\",\"receipt_hash\":null,\"sig\":\"e2fa640430809284360d448e66203134f7b304e1bdafcb02051c9749a2f8fffc1c74630fd52ec4adda49a4c8ac48ce484f488cbaa7e7a594e58e7ec3e3db730b\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-gain"
|
||
}
|
||
},
|
||
{
|
||
"name": "blocks",
|
||
"description": "One block more than the frames give.",
|
||
"statement": "{\"blocks\":13,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"397fcbc07b817cc9ad45d568e044ddaa9abe3db2a0d80538ddf71e3b470019719d07d04d811ace0f253a096913516be2201008b3b641392ddd269e9650a3bf05\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-gain"
|
||
}
|
||
},
|
||
{
|
||
"name": "gated_without_loudness",
|
||
"description": "Blocks kept and no loudness.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":null,\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"62ced5413b786ec5c115f3c38f8e82a07ea79997a45b9deafc1248faf8d3f12f7b279a56641fd37e5cd0417fc8b438cf42e4a6a761f136c5e6becf48be20200e\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-gain"
|
||
}
|
||
},
|
||
{
|
||
"name": "loudness_off_by_one",
|
||
"description": "A loudness a thousandth of an LU off, its gain moved with it.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4007\",\"gated\":12,\"integrated_milli\":\"-19993\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3277,\"peak_milli\":\"-20000\",\"receipt_hash\":null,\"sig\":\"7ac5224d0b046e41fa068f25e29930fac201e159a44ea8b6fc522705279a8d976879069eabf7f782a78b9b6969eab90a95f522e354ddd82ebddf7af0cf346b05\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-not-recomputed"
|
||
}
|
||
},
|
||
{
|
||
"name": "peak_off_by_one",
|
||
"description": "A peak one below the samples', its figure moved with it.",
|
||
"statement": "{\"blocks\":12,\"ceiling_milli\":\"-2000\",\"component\":\"audio\",\"gain_milli\":\"-4006\",\"gated\":12,\"integrated_milli\":\"-19994\",\"kind\":\"wai.pack.loudness\",\"limited\":\"no\",\"method\":\"bs1770-int/1\",\"peak\":3276,\"peak_milli\":\"-20004\",\"receipt_hash\":null,\"sig\":\"9931e73cfb795e874a5bf687ccea732bf170ae1e193f04106c88b5a8b984d5785ee19fec55993a7618f560beaa7c15bb55778e26869273d05caa990e2e7b5f02\",\"signer_pubkey\":\"0d7550754e0800a5d237eef5826035766b9b3e5a15868a940ab289958788e3b0\",\"source\":{\"channels\":2,\"frames\":72000,\"rate\":48000,\"sha256\":\"c65920df89d6c3da051a1bb5683036a68bc93fa6b293742b9110dc6c524c0dca\"},\"target_milli\":\"-24000\",\"version\":1}\n",
|
||
"receipt_hash": null,
|
||
"source": "stereo_minus_20",
|
||
"outcome": {
|
||
"refuse": "loudness-not-recomputed"
|
||
}
|
||
}
|
||
]
|
||
}
|