Publications – Details
On Nonuniform Filter Banks for Subband Speech Coding and Their Efficient Implementation
- Authors:
- Jürgen Schnitzler and Michael Kappelan
- Book Title:
- ITG-Fachtagung Sprachkommunikation
- Venue:
- Dresden, Germany
- Event Date:
- 0.-0.8.1998
- Organization:
- ITG
- Date:
- Aug. 1998
- Pages:
- 73–76
- Language:
- English
Abstract
We address design and implementation aspects of filter banks for the use in speech compression schemes. Particularly, we focus upon wideband (7 kHz) coding algorithms that use a few, nonuniformly spaced subbands and aim at system requirements of high speech quality at a low bit rate and moderate delay and complexity. We discuss requirements to the filter bank structure and filter design, and describe very efficient implementations for fractional rate conversion and modulated filter bank structures that are also useful for general applications.
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