Num.TitleContentsPh1Ph2R96R97R98R993GPP NumR99R4R5R6
06.01Full Rate Speech Processing FunctionsIntroduces the full rate speech coding process and the specifications which define it within the 06 series.3.0.04.0.75.1.16.0.17.0.28.0.146.0014.0.05.0.0
06.02Half Rate Speech Processing FunctionsIntroduces the half rate speech coding process and the specifications which define it within the 06 series.-4.0.25.0.16.0.17.0.28.0.046.0024.0.05.0.0
06.06Half-rate speech: ANSI-C code for GSM half-rate speech codecGives (on a PC-formatted diskette) the C source code which simulates the GSM half rate speech codec.-4.2.15.1.16.0.17.0.18.0.146.0064.0.05.0.0
06.07Half Rate Speech: Test Sequence for GSM Half Rate Speech CodecGives (on 2 PC-formatted diskettes) the sequences for checking correct operation of the GSM half rate speech codec.-4.2.15.2.16.0.17.0.18.0.146.0074.0.05.0.0
06.08Half Rate Speech; Performance Characterization of the GSM Half Rate speech codecGives the list and results of the characterization and verification tests performed during the selection and optimisation process of the candidate half rate speech coders.-4.0.05.0.06.0.07.0.08.0.046.0084.0.05.0.0
06.10Full-rate speech transcodingSpecifies the bit-exact algorithm used to convert speech coded in 13-bit uniform PCM format to and from full rate coded speech (260 bits every 20 ms).3.2.04.3.05.3.06.2.07.2.08.2.046.0104.1.05.0.0
06.11Substitution and Muting of Lost Frames for Full Rate Speech ChannelsSpecifies the way in which portions of the speech flow coded at 13 kbit/s should be replaced when identified as missing.3.0.14.0.65.0.16.0.17.0.18.0.146.0114.0.05.0.0
06.12Comfort Noise Aspects for Full Rate Speech Traffic ChannelsSpecifies how the background noise should be evaluated and information transmitted for its regeneration in the absence of full-rate speech.3.0.14.1.05.1.06.1.07.1.08.1.046.0124.1.05.0.0
06.20Half Rate Speech TranscodingSpecifies the bit-exact algorithm used to convert speech coded in 13-bit uniform PCM format to and from half rate coded speech (112 bits every 20 ms).-4.3.15.1.16.0.17.0.18.0.146.0204.0.05.0.0
06.21Half rate speech; Substitution and muting of lost frames for half rate speech traffic channelsSpecifies the way in which portions of the speech flow coded at 5.6 kbit/s should be replaced when identified as missing.-4.0.25.0.16.0.17.0.18.0.146.0214.0.05.0.0
06.22Comfort Noise Aspects for Half Rate Speech Traffic ChannelsSpecifies how the background noise should be evaluated and information transmitted for its regeneration in the absence of half-rate speech.-4.1.15.1.06.0.17.0.18.0.146.0224.0.05.0.0
06.31Discontinuous Transmission (DTX) for Full Rate Speech Traffic ChannelsSpecifies how to reduce the amount of transmission when no full-rate speech signal needs to be sent by the mobile station or by the network.3.1.04.0.55.0.16.0.17.0.18.0.146.0314.0.05.0.0
06.32Voice Activity Detection (VAD)Specifies the bit-exact algorithm for detecting the presence of speech at the output of the full-rate speech coder (with the aim to benefit from DTX, as specified in TS GSM 06.31).3.0.04.3.15.0.36.0.17.0.18.0.146.0324.0.05.0.0
06.41Discontinuous Transmission (DTX) for Half Rate Speech Traffic ChannelsSpecifies how to reduce the amount of transmission when no half-rate speech signal needs to be sent by the mobile station or by the network.-4.0.25.1.16.0.17.0.18.0.146.0414.0.05.0.0
06.42Voice Activity Detection (VAD) for Half Rate Speech Traffic ChannelsSpecifies the bit-exact algorithm for detecting the presence of speech at the output of the half-rate speech coder (with the aim to benefit from DTX, as specified in TS GSM 06.41).-4.1.15.0.16.0.17.0.18.0.146.0424.0.05.0.0
06.51GSM Enhanced full rate speech processing functions: General descriptionIntroduces the enhanced full rate speech coding process and the specifications which define it within the 06.6x and 06.8x series.-4.2.05.3.06.2.07.2.08.2.046.0514.0.05.0.0
06.53ANSI-C code for the GSM Enhanced full rate speech codecGives (on a PC-formatted diskette) the C source code which simulates the GSM enhanced full rate speech codec.-4.0.15.1.36.0.17.0.18.0.146.0534.0.05.0.0
06.54Test sequences for the GSM Enhanced Full Rate (EFR)Gives (on PC-formatted diskettes) the sequences for checking correct operation of the GSM enhanced full rate speech codec.-4.2.05.3.06.2.07.2.08.2.046.0544.0.05.0.0
06.55Performance characterisation of the GSM EFR Speech CodecGives the list and results of the characterization and verification tests performed during the selection and optimisation process of the candidate enhanced full rate speech coders.-4.0.05.0.06.0.07.0.08.0.046.0554.0.05.0.0
06.60Enhanced full rate speech transcodingSpecifies the bit-exact algorithm used to convert speech coded in 13-bit uniform PCM format to and from enhanced full rate coded speech consisting of 244 bits blocks every 20 ms.-4.1.15.2.16.0.17.0.28.0.146.0604.0.05.0.0
06.61Substitution and muting of lost frames for encanced full rate speech traffic channelsSpecifies the way in which portions of the speech flow coded using the enhanced full rate speech coding algorithm should be replaced when identified as missing.-4.0.15.1.26.0.17.0.18.0.146.0614.0.05.0.0
06.62Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channelsSpecifies how the background noise should be evaluated and information transmitted for its regeneration in the absence of enhanced full rate speech.-4.0.15.1.36.0.17.0.18.0.146.0624.0.05.0.0
06.71AMR speech Codec; General descriptionIntroduces the adaptive multi-rate (AMR) speech coding process and the specifications which define it within the 06 series.----7.0.2-26.0713.0.14.0.05.0.0
06.73AMR speech Codec; C-source codeGives the C source code which simulates the GSM adaptive multi-rate (AMR) speech codec.----7.6.0-26.0733.3.04.1.05.3.0
06.74AMR speech Codec; Test sequencesLists the sequences for checking correct operation of the GSM adaptive multi-rate speech coder.----7.3.0-26.0743.1.14.0.15.0.0
06.75Performance Characterization of the GSM Adaptive Multi-Rate (AMR) speech codecGives the list and results of the characterization and verification tests performed during the selection and optimisation process of the candidate adaptive multi-rate speech codecs.----7.2.0-
06.76Adaptive Multi-Rate (AMR) speech codec; Study phase reportReports the outcome of the study for technical feasibility of the AMR speech codec, including the benefits of the technique and the constraints imposed for its development.----7.0.28.0.146.0764.0.1
06.77Minimum performance requirements for noise suppresser application to the Adaptive Multi-Rate (AMR) speech encoderRecommends minimum performance requirements for noise suppression algorithms used in conjunction with the AMR speech coder, and whose aim is to enhance the speech signal corrupted by accoustic noise at the input of the speech coder.-----8.1.126.077-4.0.05.0.1
06.78Results of the AMR noise suppression selection phaseReports the performance of several noise suppression algorithms proposed as examples for application to the AMR speech coder. Lists experimental test results in different background noise conditions as well as delay and complexity assessments.-----8.0.1
06.81Discontinuous Transmission (DTX) for encanced full rate speech traffic channelsSpecifies how to reduce the amount of transmission when no enhanced full-rate speech signal needs to be sent by the mobile station or by the network.-4.1.15.2.16.1.17.1.18.0.146.0814.0.05.0.0
06.82Voice Activity Detection (VAD) for encanced full rate speech traffic channelsSpecifies the bit-exact algorithm for detecting the presence of speech at the output of the enhanced full-rate speech coder (with the aim to benefit from DTX, as specified in TS GSM 06.81).-4.0.15.0.36.0.17.0.18.0.146.0824.0.05.0.0
06.85Subjective tests on the interoperability of the HR/FR/EFR speech codecs; single, tandem and tandem free operationLists the results of subjective listening tests performed to evaluate the quality resulting from different interoperability combinations of the different GSM speech codecs.--5.0.06.0.07.0.08.0.046.0854.0.05.0.0
06.90AMR speech Codec; Transcoding FunctionsSpecifies the bit-exact algorithm used to convert speech coded in 13-bit uniform PCM format to and from adaptive multi-rate (AMR) speech, with modes ranging from 4.75 to 12.2 kbit/s.----7.2.1-26.0903.1.04.0.05.0.0
06.91AMR speech Codec; Error concealment of lost framesSpecifies the way in which portions of the speech flow coded in one of the adaptive multi-rate (AMR) modes should be replaced when identified as missing.----7.1.1-26.0913.1.04.0.05.0.0
06.92AMR speech Codec; comfort noise for AMR Speech Traffic ChannelsSpecifies how the background noise should be evaluated and information transmitted for its regeneration in the absence of speech coded using one of the adaptive multi-rate (AMR) modes.----7.1.1-26.0923.0.14.0.05.0.0
06.93AMR speech Codec; Source Controlled Rate operationSpecifies how to reduce the amount of transmission when no adaptive multi-rate (AMR) speech signal needs to be sent by the mobile station or by the network.----7.5.0-26.0933.3.04.0.05.2.06.0.0
06.94AMR Speech Codec; Voice Activity Detector for AMR Speech Traffic ChannelsSpecifies the bit-exact algorithm for detecting the presence of speech at the output of the adaptive multi-rate speech coder (with the aim to benefit from DTX, as specified in TS GSM 06.93).----7.1.1-26.0943.0.04.0.05.0.0