ES 202 050 : 1.1.5
Current
The latest, up-to-date edition.
SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); DISTRIBUTED SPEECH RECOGNITION; ADVANCED FRONT-END FEATURE EXTRACTION ALGORITHM; COMPRESSION ALGORITHMS
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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
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
Annex A (informative): Voice Activity Detection
A.1 Introduction
A.2 Stage 1 - Detection
A.3 Stage 2 - VAD Logic
Annex B (informative): Bibliography
History
Defines algorithms for advanced front-end feature extraction and their transmission which form part of a system for distributed speech recognition.
| Committee |
STQ AURORA
|
| DevelopmentNote |
Versions 1.1.1 and 1.1.2 have been withdrawn. (11/2003)
|
| DocumentType |
Standard
|
| Pages |
45
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| 11/30240613 DC : 0 | BS ISO/IEC 23006-4 - INFORMATION TECHNOLOGY MULTIMEDIA SERVICE PLATFORM TECHNOLOGIES - PART 4: ELEMENTARY SERVICES |
| 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 122 243 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; SPEECH RECOGNITION FRAMEWORK FOR AUTOMATED VOICE SERVICES; STAGE 1 (3GPP TS 22.243 VERSION 14.0.0 RELEASE 14) |
| ES 202 212 : 1.1.2 | SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); DISTRIBUTED SPEECH RECOGNITION; EXTENDED ADVANCED FRONT-END FEATURE EXTRACTION ALGORITHM; COMPRESSION ALGORITHMS; BACK-END SPEECH RECONSTRUCTION ALGORITHM |
| TR 122 977 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; FEASIBILITY STUDY FOR SPEECH-ENABLED SERVICES (3GPP TR 22.977 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) |
| ISO/IEC 23006-4:2013 | Information technology — Multimedia service platform technologies — Part 4: Elementary services |
| 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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