Methods and apparatus for efficient vocoder implementations

Methods and apparatus for efficient vocoder implementations

Techniques for implementing vocoders in parallel digital signal processors are described. A preferred approach is implemented in conjunction with the BOPS(R) Manifold Array (ManArray(TM)) processing architecture so that in an array of N parallel processing elements, N channels of voice communication...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SADRI ALI SOHEIL, SILIVRA ANISSIM A, JAFFER NAVIN, HUANG BIN, PLONSKI MATTHEW
Format: Patent
Sprache:eng
Schlagworte:
ACOUSTICS
MUSICAL INSTRUMENTS
PHYSICS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
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Beschreibung
Zusammenfassung:Techniques for implementing vocoders in parallel digital signal processors are described. A preferred approach is implemented in conjunction with the BOPS(R) Manifold Array (ManArray(TM)) processing architecture so that in an array of N parallel processing elements, N channels of voice communication are processed in parallel. Techniques for forcing vocoder processing of one data-frame to take the same number of cycles are described. Improved throughput and lower clock rates can be achieved.