1
Introduction
2 Normative references
3 Abbreviations
4 Scope
5 Convention
6 Requirements on speech signals to
be assessed
7 Overview of P.563
7.1 Vocal tract analysis and
unnaturalness of speech
7.2 Analysis of strong additional
noise
7.3 Interruptions, mutes and time
clipping
7.4 Distortion classification
8 Comparison between objective and
subjective scores
8.1 Correlation coefficient
9 High level description of the
functional blocks used in P.563
9.1 Description of basic speech
descriptors and the signal pre-processing
9.2 Description of the functional
block 'Vocal tract analysis and Unnatural Voice'
9.3 Description of the functional block 'Additive
Noise'
9.4 Description of the
'Mutes/Interruptions' functional block components
9.5 Description of the Speech Quality
Model
Annex A – Source code
for reference implementation and conformance tests
A.1 List of files provided for the
ANSI-C reference implementation
A.2 List of files provided for
conformance validation
A.3 Speech files provided for
validation with variable delay
A.4 Conformance data sets
A.5 Conformance requirements
A.6 Conformance test on unknown
data