Series P - Telephone transmission quality

File Size Date Recommendation title
p-s11e.zip 36KB 04/95 P.Supplement 11 - Some effects of sidetone
p-s20e.zip 88KB 03/93 P.Supplement 20 - Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses
p-s22e.zip 32KB 03/93 P.Supplement 22 - Title not available.
p0010e.zip 45KB 03/93 P.10 - Vocabulary of terms on telephone transmission quality and telephone sets
p0011e.zip 181KB 03/93 P.11 - Effect of transmission impairments
p0016e.zip 101KB 11/88 P.16 - Subjective effects of direct crosstalk; thresholds of audibility and intelligibility
p0030e.zip 32KB 11/88 P.30 - Transmission performance of group audio terminals (GATs)
p0032e.zip 60KB 11/88 P.32 - Evaluation of the efficiency of telephone booths and acoustic hoods
p0034e.zip 2KB X P.34 - Title not available.
p0035e.zip 56KB 11/88 P.35 - Handset telephones
p0036e.zip 25KB 11/88 P.36 - Efficiency of devices for preventing the occurrence of excessive acoustic pressure by telephone receivers
p0038e.zip 22KB 03/93 P.38 - Transmission characteristics of operator telephone systems (OTS)
p0048e.zip 74KB 11/88 P.48 - Specification for an intermediate reference system
p0050e.zip 75KB 03/93 P.50 - Artificial voices
p0051e.zip 35KB 08/96 P.51 - Artificial mouth
p0052e.zip 22KB 03/93 P.52 - Volume meters
p0053e.zip 2KB X P.53 - Psophometer for use on telephone-type circuits
p0054e.zip 20KB 12/72 P.54 - Sound level meters (apparatus for the objective measurement of room noise)
p0055e.zip 20KB 10/68 P.55 - Apparatus for the measurement of impulsive noise
p0056e.zip 44KB 03/93 P.56 - Objective measurement of active speech level
p0057e.zip 319KB 08/96 P.57 - Artificial ears
p0058e.zip 199KB 08/96 P.58 - Head and torso simulator for telephonometry
p0059e.zip 37KB 03/93 P.59 - Artificial conversational speech
p0061e.zip 21KB 10/84 P.61 - Methods for the calibration of condenser microphones
p0062e.zip 23KB 03/93 P.62 - Measurements on subscribers' telephone equipment
p0064e.zip 198KB 04/97 P.64 - Determination of sensitivity/frequency characteristics of local telephone systems
p0065e.zip 35KB 03/93 P.65 - Objective instrumentation for the determination of loudness ratings
p0075e.zip 20KB 11/88 P.75 - Standard conditioning method for handsets with carbon microphones
p0076e.zip 126KB 11/88 P.76 - Determination of loudness ratings; fundamental principles
p0078e.zip 103KB 02/96 P.78 - Subjective testing method for determination of loudness ratings in accordance with Recommendation P.76
p0079e.zip 247KB 03/93 P.79 - Calculation of loudness ratings for telephone sets
p0082e.zip 43KB 10/84 P.82 - Method for evaluation of service from the standpoint of speech transmission quality
p0084e.zip 67KB 03/93 P.84 - Subjective listening test method for evaluating digital circuit multiplication and packetized voice systems
p0085e.zip 34KB 06/94 P.85 - A method for subjective performance assessment of the quality of speech voice output devices
p0310e.zip 108KB 02/96 P.310 - Transmission characteristics for telephone band (300-3400 Hz) digital telephones
p0311e.zip 38KB 04/95 P.311 - Transmission characteristics for wideband handset telephones
p0340e.zip 82KB 08/96 P.340 - Transmission characteristics of hands-free telephones
p0341e.zip 43KB 04/95 P.341 - Transmission characteristics of wideband handsfree telephones
p0342e.zip 104KB 08/96 P.342 - Transmission characteristics for telephone band (300 - 3400 Hz) digital loudspeaking and hands-free telephony terminals
p0370e.zip 93KB 08/96 P.370 - Coupling Hearing Aids to Telephone sets
p0501e.zip 246KB 08/96 P.501 - Test signals for use in telephonometry
p0561e.zip 99KB 02/96 P.561 - In-service non-intrusive measurement device – Voice service measurements
p0800e.zip 84KB 08/96 P.800 - Methods for subjective determination of transmission quality
p0810e.zip 64KB 02/96 P.810 - Modulated noise reference unit (MNRU)
p0830e.zip 66KB 02/96 P.830 - Subjective performance assessment of telephone-band and wideband digital codecs
p0861e.zip 109KB 08/96 P.861 - Objective quality measurement of telephone-band (300-3400 Hz) speech codecs
p0910e.zip 118KB 08/96 P.910 - Subjective video quality assesment methods for multimedia applications
p0920e.zip 33KB 08/96 P.920 - Interactive test methods for audiovisual communications
p0930e.zip 153KB 08/96 P.930 - Principles of a reference impairment system for video