US Patent No: 5,483,619

Number of patents in Portfolio can not be more than 2000

Method and apparatus for editing an audio signal

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Abstract

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An audio signal editing method and apparatus for use with original sound data which is already compressed and encoded in predictive form, for example ADPCM. To edit a desired portion from the original audio data, the method and apparatus reconstruct (encoded PCM) audio data from the original (ADPCM) audio data and encode a non-predictive unit to replace a first original audio data unit of the desired portion. Thus, the desired portion is rendered independent of preceding sample values, without having to be recoded entirely. An enhanced method and apparatus encode further replacement units to eliminate noise introduced by the basic method.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
U.S. PHILIPS CORPORATIONNEW YORK, NY11382

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blanchard, Simon Horley, GB2 11 118

Cited Art Landscape

Patent Info (Count) # Cites Year
 
OKI ELECTRIC INDUSTRY CO., LTD. (1)
4,691,359 Speech synthesizer with repeated symmetric segment 3 1983
 
Pioneer Electronic Corporation (1)
5,243,582 Apparatus for reproducing digital audio information related to musical accompaniments 48 1991
 
YAMAHA CORPORATION (1)
5,347,478 Method of and device for compressing and reproducing waveform data 26 1992

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Hudson Soft Co., Ltd. (3)
5,831,681 Computer system for processing sound data and image data in synchronization with each other 5 1993
5,694,518 Computer system including ADPCM decoder being able to produce sound from middle 3 1995
5,692,099 Computer system including recovery function of ADPCM sound data 2 1995
 
Airworks Corporation (2)
5,728,962 Rearranging artistic compositions 36 1996
5,952,598 Rearranging artistic compositions 27 1997
 
INTEL CORPORATION (1)
5,893,900 Method and apparatus for indexing an analog audio recording and editing a digital version of the indexed audio recording 2 1996
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
8,103,511 Multiple audio file processing method and system 0 2008
 
NOKIA CORPORATION (1)
7,016,834 Method for decreasing the processing capacity required by speech encoding and a network element 5 2000
 
NOKIA NETWORKS OY (1)
6,850,883 Decoding method, speech coding processing unit and a network element 11 2000
 
OKI ELECTRIC INDUSTRY CO., LTD. (1)
6,076,063 Audio player and recorder employing semiconductor memory as a recording medium 26 1997
 
QUALCOMM INCORPORATED (1)
6,438,518 Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions 14 1999