Data processing: speech signal processing – linguistics – language – Audio signal bandwidth compression or expansion – With content reduction encoding
Reexamination Certificate
2005-06-07
2005-06-07
Chawan, Vijay B. (Department: 2654)
Data processing: speech signal processing, linguistics, language
Audio signal bandwidth compression or expansion
With content reduction encoding
C704S500000, C704S504000, C704S201000, C380S232000, C380S228000, C380S279000, C369S013010, C709S230000
Reexamination Certificate
active
06904406
ABSTRACT:
An audio playback/recording apparatus includes an audio input processing section which receives analog audio data, and converts the analog audio data to digital audio data; a playback/recording processing section which compresses digital audio data output from the audio input processing section and stores the compressed digital audio data into a RAM and which decompresses the compressed digital audio data according to attribution data indicating a type of compression; an audio output processing section which receives the decompressed digital audio data, converts the decompressed digital audio data to analog audio data, and outputs the analog audio data to an output apparatus; and an external recording circuit section which records compressed digital audio data stored in the RAM into an external recording medium, reads out the compressed digital audio data, and stores the data into the RAM.
REFERENCES:
patent: 5303326 (1994-04-01), Dean et al.
patent: 5412628 (1995-05-01), Yamazaki et al.
patent: 5481645 (1996-01-01), Bertino et al.
patent: 5511000 (1996-04-01), Kaloi et al.
patent: 5774856 (1998-06-01), Haber et al.
patent: 5838996 (1998-11-01), deCarmo
patent: 5870710 (1999-02-01), Ozawa et al.
patent: 5987519 (1999-11-01), Peifer et al.
patent: 6075784 (2000-06-01), Frankel et al.
patent: 6226618 (2001-05-01), Downs et al.
patent: 6240185 (2001-05-01), Van Wie et al.
patent: 6243330 (2001-06-01), Oshima
patent: 6253293 (2001-06-01), Rao et al.
patent: 6263313 (2001-07-01), Milsted et al.
patent: 6446037 (2002-09-01), Fielder et al.
patent: 6571211 (2003-05-01), Dwyer et al.
patent: 2001/0013097 (2001-08-01), Ito et al.
patent: 2001/0032088 (2001-10-01), Utsumi et al.
patent: 2001/0038578 (2001-11-01), Oshima
patent: 07-129197 (1993-11-01), None
patent: 7-231309 (1995-08-01), None
patent: 7-325600 (1995-12-01), None
patent: 08-063332 (1996-03-01), None
patent: 10-135944 (1996-10-01), None
patent: 9-73299 (1997-03-01), None
patent: 09-265731 (1997-10-01), None
patent: 000762417 (1997-12-01), None
patent: 09-319690 (1997-12-01), None
patent: 11-202870 (1998-01-01), None
patent: 10-136123 (1998-05-01), None
patent: 11-328033 (1998-05-01), None
patent: 11-328033 (1998-05-01), None
patent: 10-320000 (1998-12-01), None
patent: 11-31130 (1999-02-01), None
patent: 11-126099 (1999-05-01), None
patent: 11-508709 (1999-07-01), None
patent: 11-212461 (1999-08-01), None
patent: 2001519099 (2001-10-01), None
patent: WO 97/29578 (1997-08-01), None
Liem et al (“An Embedded System Case Study: The Firm Ware Development Environment For A Multimedia Audio Processor” ACM IEEE Design Automation Conference Proceedings, Mar. 1997).
Breternitz et al (“Enhanced Compression Techniques to Simplify Program Decompression and Execution”, International Conference on Computer Design: VLSI in Computers and Processors, Oct. 1997).
Chawan Vijay B.
Whitham Curtis & Christofferson, PC
LandOfFree
Audio playback/recording apparatus having multiple decoders... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Audio playback/recording apparatus having multiple decoders..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Audio playback/recording apparatus having multiple decoders... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3488837