Audio overhang reduction by silent frame deletion in...

Details Audio overhang reduction by silent frame deletion in... Audio overhang reduction by silent frame deletion in...

2006-02-14

2006-02-14

Dorvil, Richemond (Department: 2654)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S210000

Reexamination Certificate

active

06999921

ABSTRACT:
To address the need for reducing audio overhang in wireless communication systems (e.g.,100), the present invention provides for the deletion of silent frames before they are converted to audio by the listening devices. The present invention only provides for the deletion of a portion of the silent frames that make up a period of silence or low voice activity in the speaker's audio. Voice frames that make up periods of silence less than a given length of time are not deleted.

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ETSI TS 146 081 v4.0.0: “Discontinuous Transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels (3GPP) TS 46.081 version 4.0.0 Release 4” Digital Cellular Telecommunications System (Phase 2+); Mar. 2001 internet http://www.elsi.org.

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