Audio transmitting apparatus and audio receiving apparatus

Details Audio transmitting apparatus and audio receiving apparatus Audio transmitting apparatus and audio receiving apparatus

2005-06-07

2005-06-07

Ometz, David L. (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S500000

Reexamination Certificate

active

06904403

ABSTRACT:
In transmission of digital audio data usingIEEE1394, for example, when the audio data is changed from linear PCM to nonlinear PCM, identifier adding means of the transmitting apparatus inserts a silent identifier and nearly zero data for a specific time, and first identifier distinguishing means of the receiving apparatus changes over the output of data processing selecting means from linear PCM processing side to nonlinear processing side when detecting the silent identifier, thereby preventing generation of noise when changing over the data.

REFERENCES:
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patent: 6181870 (2001-01-01), Okada et al.
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patent: 6490728 (2002-12-01), Kitazato et al.
patent: 6510409 (2003-01-01), Su
patent: 6512919 (2003-01-01), Ogasawara
patent: 6574419 (2003-06-01), Nonomura et al.
patent: 6578162 (2003-06-01), Yung
1394 Trade Association, “Audio and Music Data Transmission Protocol”, Version 1.0, May 1997 pp. 1-23.

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