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Advances in digital speech transmission /
Speech processing and speech transmission technology are expanding fields of active research. New challenges arise from the 'anywhere, anytime' paradigm of mobile communications, the ubiquitous use of voice communication systems in noisy environments and the convergence of communication ne...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Chichester, West Sussex, England ; Hoboken, NJ :
John Wiley & Sons,
©2008.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover
- Contents
- List of Contributors
- Preface
- 1 Introduction
- I Speech Quality Assessment
- 2 Speech-Transmission Quality: Aspects and Assessment for Wideband vs. Narrowband Signals
- 2.1 Introduction
- 2.2 Speech Signals
- 2.3 Telephone-Band Speech Signals
- 2.4 Wideband Speech Signals
- 2.5 Speech-Quality Assessment
- 2.6 Wideband Speech-Quality Assessment
- 2.7 Concluding Remarks
- Bibliography
- 3 Parametric Quality Assessment of Narrowband Speech in Mobile Communication Systems
- 3.1 Introduction
- 3.2 Simulations of GSM and UMTS Speech Transmissions
- 3.3 Speech Quality Measures based on Transmission Parameters
- 3.4 Discussion and Conclusions
- Bibliography
- II Adaptive Algorithms in Acoustic Signal Processing
- 4 Kalman Filtering in Acoustic Echo Control: A Smooth Ride on a Rocky Road
- 4.1 Introduction
- 4.2 A Comprehensive Theory of Acoustic Echo Control
- 4.3 The Kalman Filter for Conditional Mean and Covariance Estimation
- 4.4 AEC Performance of the Frequency-Domain Adaptive Kalman Filter
- 4.5 Discussion and Conclusions
- Bibliography
- 5 Noise Reduction
- Statistical Analysis and Control of Musical Noise
- 5.1 Introduction
- 5.2 Speech Enhancement in the DFT Domain
- 5.3 Measurement and Assessment of Unnatural Fluctuations
- 5.4 Avoidance of Processing Artifacts
- 5.5 Control of Spectral Fluctuations in the Cepstral Domain
- 5.6 Discussion and Conclusions
- 5.7 Acknowledgements
- 5.8 Appendix
- Bibliography
- 6 Acoustic Source Localization with Microphone Arrays
- 6.1 Introduction
- 6.2 Signal Model
- 6.3 Localization Approach Taxonomy
- 6.4 Indirect Localization Approaches
- 6.5 Direct Localization Approaches
- 6.6 Evaluation of Localization Algorithms
- 6.7 Conclusions
- Bibliography
- 7 Multi-Channel System Identification with Perfect Sequences 8211; Theory and Applications 8211;
- 7.1 Introduction
- 7.2 System Identification with Perfect Sequences
- 7.3 Multi-Channel System Identification
- 7.4 Applications
- 7.5 Discussion and Conclusions
- Bibliography
- III Speech Coding for Heterogeneous Networks
- 8 Embedded Speech Coding: From G.711 to G.729.1
- 8.1 Introduction
- 8.2 Theory and Tools of Embedded Speech Coding
- 8.3 Embedded Speech Coding Methods
- 8.4 Standardized Embedded Speech Coders
- 8.5 Network Aspects of Embedded Speech Coding
- 8.6 Conclusions and Perspectives
- Bibliography
- 9 Backwards Compatible Wideband Telephony
- 9.1 Introduction
- 9.2 From Narrowband Telephony toWideband Telephony
- 9.3 Stand-Alone Bandwidth Extension
- 9.4 Embedded Wideband Coding Using Bandwidth Extension Techniques
- 9.5 Combination of Bandwidth Extension with Watermarking
- 9.6 Advanced Transmission of Highband Parameters
- 9.7 Conclusions
- Bibliography
- IV Joint Source-Channel Coding
- 10 Parameter Models and Estimators in Soft Decision Source Decoding
- 10.1 Introduction
- 10.2 Overview to Soft Decision Source Decoding
- 10.3 The Markovian Parameter Model
- 10.4 Basic Extrapolative Estimators
- 10.5 Joint Extrapolative Estimation of Two Different Parameters
- 10.6 Extrapolative Estimation with Repeated Parameter Transmission
- 10.7 Interpolative Estimation of a Parameter
- 10.8 Discussion and Conclusions
- Bibliography
- T$1.