ES 202 212 : 1.1.2
Current
The latest, up-to-date edition.
SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); DISTRIBUTED SPEECH RECOGNITION; EXTENDED ADVANCED FRONT-END FEATURE EXTRACTION ALGORITHM; COMPRESSION ALGORITHMS; BACK-END SPEECH RECONSTRUCTION ALGORITHM
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Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 System overview
5 Feature extraction description
5.1 Noise reduction
5.2 Waveform Processing
5.3 Cepstrum Calculation
5.4 Blind equalization
5.5 Extension to 11 kHz and 16 kHz sampling frequencies
5.6 Pitch and class estimation
6 Feature compression
6.1 Introduction
6.2 Compression algorithm description
7 Framing, bit-stream formatting and error protection
7.1 Introduction
7.2 Algorithm description
8 Bit-stream decoding and error mitigation
8.1 Introduction
8.2 Algorithm description
9 Server feature processing
9.1 lnE and c(0) combination
9.2 Derivatives calculation
9.3 Feature vector selection
10 Server side speech reconstruction
10.1 Introduction
10.2 Algorithm description
Annex A (informative): Voice Activity Detection (VAD)
A.1 Introduction
A.2 Stage 1 - Detection
A.3 Stage 2 - VAD Logic
Annex B (informative): Bibliography
History
Describes algorithms for extended advanced front-end feature extraction, their transmission, back-end pitch tracking and smoothing, and back-end speech reconstruction which form part of a system for distributed speech recognition.
| Committee |
STQ AURORA
|
| DocumentType |
Standard
|
| Pages |
93
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| TR 126 943 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; RECOGNITION PERFORMANCE EVALUATIONS OF CODECS FOR SPEECH ENABLED SERVICES (SES) (3GPP TR 26.943 VERSION 14.0.0 RELEASE 14) |
| TS 126 177 : 13.0.0 | UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); SPEECH ENABLED SERVICES (SES); DISTRIBUTED SPEECH RECOGNITION (DSR) EXTENDED ADVANCED FRONT-END TEST SEQUENCES (3GPP TS 26.177 VERSION 14.0.0 RELEASE 14) |
| TS 126 243 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; ANSI-C CODE FOR THE FIXED-POINT DISTRIBUTED SPEECH RECOGNITION EXTENDED ADVANCED FRONT-END (3GPP TS 26.243 VERSION 14.0.0 RELEASE 14) |
| ES 202 050 : 1.1.5 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); DISTRIBUTED SPEECH RECOGNITION; ADVANCED FRONT-END FEATURE EXTRACTION ALGORITHM; COMPRESSION ALGORITHMS |
| ES 201 108 : 1.1.3 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); DISTRIBUTED SPEECH RECOGNITION; FRONT-END FEATURE EXTRACTION ALGORITHM; COMPRESSION ALGORITHMS |
| EN 300 903 : 8.1.1 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM (GSM 03.50 VERSION 8.1.1 RELEASE 1999) |
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