Publications – Details
Concept for Combined Reduction of Acoustic Echo and Coding Noise in Digital Cellular Networks
- Authors:
- Gerald Enzner, Hauke Krüger, and Peter Vary
- Book Title:
- ITG-Fachtagung Sprachkommunikation
- Venue:
- Kiel, Germany
- Date:
- Apr. 2006
- Language:
- English
Abstract
Acoustic echo cancelers in base stations of cellular networks suffer from the unpredictability of the effective echo path. A main reason of this unpredictability is the quantization in speech encoders. In order to resolve this problem, we suggest a design of network acoustic echo controllers on the basis of a statistical echo path model. In contrast to earlier work, we consider an optimization criterion which aims at the combined reduction of acoustic echo and coding noise.
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