| P.10 |
Vocabulary for performance and quality of service
|
| P.11 |
Effect of transmission impairments
|
| P.16 |
Subjective effects of direct crosstalk; thresholds of audibility
and intelligibility |
| P.30 |
Transmission performance of group audio terminals (GATs)
|
| P.32 |
Evaluation of the efficiency of telephone booths and acoustic
hoods |
| P.33 |
[Withdrawn] Subscriber telephone sets
containing either loudspeaking receivers or microphones
associated with amplifiers
This Recommendation was incorporated in new ITU-T P.340
|
| P.35 |
Handset telephones |
| P.36 |
Efficiency of devices for preventing the occurrence of excessive
acoustic pressure by telephone receivers
|
| P.38 |
[Withdrawn] Transmission
characteristics of operator telephone systems (OTS)
|
| P.48 |
Specification for an intermediate reference system
|
| P.50 |
Artificial voices |
| P.51 |
Artificial mouth |
| P.52 |
Volume meters |
| P.53 |
Psophometer for use on telephone-type circuits
This Recommendation is published under alias number O.41
|
| P.54 |
Sound
level meters (apparatus for the objective measurement of room
noise) |
| P.55 |
Apparatus for the measurement of impulsive noise
|
| P.56 |
Objective measurement of active speech level
|
| P.57 |
Artificial ears |
| P.58 |
Head
and torso simulator for telephonometry
|
| P.59 |
Artificial conversational speech
|
| P.61 |
Methods for the calibration of condenser microphones
|
| P.62 |
[Withdrawn] Measurements on
subscribers' telephone equipment
The relevant text therein will be transferred to ITU-T P.35
during its revision |
| P.63 |
[Withdrawn] Methods for the evaluation
of transmission quality on the basis of objective measurements
As this Recommendation didn't contain technical description, but
only references to other out of date Recommendations and
Supplements, it became obsolete |
| P.64 |
Determination of sensitivity/frequency characteristics of local
telephone systems
Covering note, May 2000: Erratum |
| P.65 |
[Withdrawn] Objective instrumentation
for the determination of loudness ratings
The relevant text therein was transferred to ITU-T P.64
|
| P.66 |
[Withdrawn] Methods for evaluating the
transmission performance of digital telephone sets
Merged with P.31 into ITU-T P.310 |
| P.75 |
Standard conditioning method for handsets with carbon
microphones |
| P.76 |
Determination of loudness ratings; fundamental principles
|
| P.78 |
Subjective testing method for determination of loudness ratings
in accordance with Recommendation P.76
|
| P.79 |
Calculation of loudness ratings for telephone sets
Covering note, May 2000: Erratum Covering note, 24 October 2000:
Corrigendum 1 |
| P.80 |
Methods for subjective determination of transmission quality
Renumbered P.800 when revised in 1996 |
| P.82 |
Method for evaluation of service from the standpoint of speech
transmission quality |
| P.84 |
Subjective listening test method for evaluating digital circuit
multiplication and packetized voice systems
|
| P.85 |
A
method for subjective performance assessment of the quality of
speech voice output devices |
| P.300 |
Transmission performance of group audio terminals (GATs)
|
| P.310 |
Transmission characteristics for telephone band (300-3400 Hz)
digital telephones |
| P.31 |
Transmission characteristics for digital telephones
|
| P.311 |
Transmission characteristics for wideband (150-7000 Hz) digital
handset telephones |
| P.313 |
Transmission characteristics for cordless and mobile digital
terminals |
| P.330 |
Speech processing devices for acoustic enhancement
|
| P.340 |
Transmission characteristics and speech quality parameters of
hands-free terminals
Former Rec. P.34, renumbered P.340 |
| P.34 |
Transmission characteristics of hands-free telephones
|
| P.341 |
Transmission characteristics for wideband (150-7000 Hz) digital
hands-free telephony terminals |
| P.342 |
Transmission characteristics for telephone band (300-3400 Hz)
digital loudspeaking and hands-free telephony terminals
|
| P.350 |
Handset dimensions |
| P.360 |
Efficiency of devices for preventing the occurrence of excessive
acoustic pressure by telephone receivers
Former Rec. P.36, renumbered P.360 |
| P.370 |
Coupling Hearing Aids to Telephone sets
Former Rec. P.37, renumbered P.370 |
| P.37 |
Coupling hearing aids to telephone sets
|
| P.380 |
Electro-acoustic measurements on headsets
|
| P.501 |
Test
signals for use in telephonometry
|
| P.502 |
Objective test methods for speech communication systems using
complex test signals |
| P.505 |
One-view visualization of speech quality measurement results
|
| P.561 |
In-service non-intrusive measurement device - Voice service
measurements |
| P.562 |
Analysis and interpretation of INMD voice-service measurements
|
| P.563 |
Single-ended method for objective speech quality assessment in
narrow-band telephony applications
|
| P.Imp563 |
Implementers’ Guide for ITU-T Recommendation P.563
|
| P.564 |
Conformance testing for narrowband voice over IP transmission
quality assessment models |
| P.581 |
Use
of head and torso simulator (HATS) for hands-free terminal
testing |
| P.800 |
Methods for subjective determination of transmission quality
Former Rec. P.80 |
| P.800.1 |
Mean
Opinion Score (MOS) terminology |
| P.805 |
Subjective evaluation of conversational quality
|
| P.81 |
Modulated noise reference unit (MNRU)
|
| P.810 |
Modulated noise reference unit (MNRU)
|
| P.830 |
Subjective performance assessment of telephone-band and wideband
digital codecs |
| P.83 |
Subjective performance assessment of telephone-band and wideband
digital codecs |
| P.831 |
Subjective performance evaluation of network echo cancellers
|
| P.832 |
Subjective performance evaluation of hands-free terminals
|
| P.833 |
Methodology for derivation of equipment impairment factors from
subjective listening-only tests |
| P.834 |
Methodology for the derivation of equipment impairment factors
from instrumental models
|
| P.835 |
Subjective test methodology for evaluating speech communication
systems that include noise suppression algorithm
|
| P.840 |
Subjective listening test method for evaluating circuit
multiplication equipment
Former ITU-T P.84 |
| P.851 |
Subjective quality evaluation of telephone services based on
spoken dialogue systems |
| P.861 |
[Withdrawn] Objective quality
measurement of telephone-band (300-3400 Hz) speech codecs
P.861 was recognized as having certain limitations in specific
areas of application. It was replaced by P.862, which contains
an improved objective speech quality assessment algorithm. P.861
included one diskette containing test vectors for implementation
verification of the PSQM algorithm |
| 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 |
| P.862.1 |
Mapping function for transforming P.862 raw result scores to
MOS-LQO |
| P.862.2 |
Wideband extension to Recommendation P.862 for the assessment of
wideband telephone networks and speech codecs
|
| P.862.3 |
Application guide for objective quality measurement based on
Recommendations P.862, P.862.1 and P.862.2
|
| P.880 |
Continuous evaluation of time-varying speech quality
|
| P.910 |
Subjective video quality assessment methods for multimedia
applications |
| P.911 |
Subjective audiovisual quality assessment methods for multimedia
applications |
| P.920 |
Interactive test methods for audiovisual communications
|
| P.930 |
Principles of a reference impairment system for video
|
| P.931 |
Multimedia communications delay, synchronization and frame rate
measurement |
| P.1010 |
Fundamental voice transmission objectives for VoIP terminals and
gateways |
| P.Sup1 |
[Withdrawn] Precautions to be taken for
correct installation and maintenance of an IRS
|
| P.Sup3 |
[Withdrawn] Models for predicting
transmission quality from objective measurements
|
| P.Sup10 |
Considerations relating to transmission characteristics for
analogue handset telephones |
| P.Sup11 |
[Withdrawn] Some effects of sidetone
|
| P.Sup14 |
[Withdrawn] Subjective performance
assessment of digital processes using the modulated noise
reference unit (MNRU) |
| P.Sup15 |
[Withdrawn] Wideband (7 kHz) modulated
noise reference unit (MNRU) with noise shaping
|
| P.Sup16 |
Guidelines for placement of microphones and loudspeakers in
telephone conference rooms [1] and for Group Audio Terminals (GATs)
|
| P.Sup17 |
[Withdrawn] Direct loudness balance
against the intermediate reference system (IRS) for the
subjective determination of loudness ratings
Replaced by annex D of P.78 |
| P.Sup19 |
[Withdrawn] Information on some
loudness loss related ratings |
| P.Sup20 |
Examples of measurements of handset receive-frequency responses:
dependence on earcap leakage losses
|
| P.Sup21 |
[Withdrawn] The principles of a
composite source signal as an example of a measurement signal to
determine the transfer characteristics of terminal equipment
|
| P.Sup22 |
[Withdrawn] Transmission
characteristics of wideband audio telephones
Replaced by ITU-T P.311 and P.341 |
| P.Sup23 |
ITU-T
coded-speech database |
| P.Sup24 |
Parameters describing the interaction with spoken dialogue
systems |
