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 dataframe to take the same number of cycles are described. Improved throughput and lower clock rates can be achieved.