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1.
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Clear description of the referenced document:
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2.
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Status of approval:
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Approved by ETSI
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3.
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Justification for the specific reference:
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Section 7.2.1 "Speech quality metrics" of draft recommendation E.804.1 specifies speech reference signals to be used in order to produce relevant test results. This specification is aligned with ETSI TR 103 138.
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4.
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Current information, if any, about IPR issues:
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ETSI IPR information is available at http://www.etsi.org/
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5.
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Other useful information describing the "Quality" of the document:
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ETSI TR 103 138 V1.5.1 was approved on 13th of June 2018
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6.
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The degree of stability or maturity of the document:
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ETSI Published.
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7.
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Relationship with other existing or emerging documents:
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Is the only currently published standard on this subject.
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8.
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Any explicit references within that referenced document should also be listed:
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[i.1] Recommendation ITU-T P.48: "Specification for an intermediate reference system"./
[i.2] Recommendation ITU-T P.800: "Methods for subjective determination of transmission quality"./
[i.3] Recommendation ITU-T P.830: "Subjective performance assessment of telephone-band and/
wideband digital codecs"./
[i.4] Recommendation ITU-T P.862: "Perceptual evaluation of speech quality (PESQ): An objective/
method for end-to-end speech quality assessment of narrow-band telephone networks and speech/
codecs"./
[i.5] Recommendation ITU-T P.862.1: "Mapping function for transforming P.862 raw result scores to/
MOS-LQO"./
[i.6] Recommendation ITU-T P.862.2: "Wideband extension to Recommendation P.862 for the/
assessment of wideband telephone networks and speech codecs"./
[i.7] Recommendation ITU-T P.862.3: "Application guide for objective quality measurement based on/
Recommendations P.862, P.862.1 and P.862.2"./
[i.8] Recommendation ITU-T P.863: "Perceptual objective listening quality prediction"./
[i.9] Recommendation ITU-T P.863.1: "Application Guide for the Recommendation ITU-T P.863"./
[i.10] Recommendation ITU-T G.711: "Pulse code modulation (PCM) of voice frequencies"./
[i.11] Recommendation ITU-T G.191: "Software tools for speech and audio coding standardization"./
[i.12] Recommendation ITU-T P.341: "Transmission characteristics for wideband digital loudspeaking/
and hands-free telephony terminals"./
[i.13] Recommendation ITU-T P.56: "Objective measurement of active speech level"./
[i.14] Recommendation ITU-T P.501: "Test signals for use in telephonometry". /
[i.15] Recommendation ITU-T P.10/G100: "Vocabulary for performance, quality of service and quality/
of experience".
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9.
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Qualification of
ETSI:
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ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
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10.
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Other (for any supplementary information):
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None.
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