JP2002014700A - 音声信号処理方法、装置および記憶媒体 - Google Patents

音声信号処理方法、装置および記憶媒体

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Publication number
JP2002014700A
JP2002014700A JP2000199608A JP2000199608A JP2002014700A JP 2002014700 A JP2002014700 A JP 2002014700A JP 2000199608 A JP2000199608 A JP 2000199608A JP 2000199608 A JP2000199608 A JP 2000199608A JP 2002014700 A JP2002014700 A JP 2002014700A
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JP
Japan
Prior art keywords
audio signal
information
signal processing
logarithm
digital audio
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Pending
Application number
JP2000199608A
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English (en)
Japanese (ja)
Other versions
JP2002014700A5 (https=
Inventor
Takayuki Kikuchi
孝之 菊池
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2000199608A priority Critical patent/JP2002014700A/ja
Publication of JP2002014700A publication Critical patent/JP2002014700A/ja
Publication of JP2002014700A5 publication Critical patent/JP2002014700A5/ja
Pending legal-status Critical Current

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2000199608A 2000-06-30 2000-06-30 音声信号処理方法、装置および記憶媒体 Pending JP2002014700A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000199608A JP2002014700A (ja) 2000-06-30 2000-06-30 音声信号処理方法、装置および記憶媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000199608A JP2002014700A (ja) 2000-06-30 2000-06-30 音声信号処理方法、装置および記憶媒体

Publications (2)

Publication Number Publication Date
JP2002014700A true JP2002014700A (ja) 2002-01-18
JP2002014700A5 JP2002014700A5 (https=) 2007-08-23

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ID=18697595

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JP2000199608A Pending JP2002014700A (ja) 2000-06-30 2000-06-30 音声信号処理方法、装置および記憶媒体

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JP (1) JP2002014700A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG135920A1 (en) * 2003-03-07 2007-10-29 St Microelectronics Asia Device and process for use in encoding audio data
WO2012046979A3 (ko) * 2010-10-06 2012-05-31 에스케이텔레콤 주식회사 주파수 마스크 테이블을 이용한 주파수변환 블록 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5798023A (en) * 1980-12-10 1982-06-18 Toshiba Corp Conversion device to natural logarithm
JPS6268327A (ja) * 1985-09-20 1987-03-28 Oki Electric Ind Co Ltd 対数−線形数値変換方式
JPH07210195A (ja) * 1993-12-30 1995-08-11 Internatl Business Mach Corp <Ibm> 高品質ディジタル・オーディオの効率的な圧縮のための方法および装置
JPH0816195A (ja) * 1994-06-30 1996-01-19 Samsung Electron Co Ltd ディジタルオーディオ符号化方法及び装置
JPH0854899A (ja) * 1994-08-11 1996-02-27 Sharp Corp 符号化装置
JPH0934494A (ja) * 1995-07-15 1997-02-07 Nec Corp 音声信号処理回路
JPH11212768A (ja) * 1998-01-23 1999-08-06 Sanyo Electric Co Ltd 対数値算出回路

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5798023A (en) * 1980-12-10 1982-06-18 Toshiba Corp Conversion device to natural logarithm
JPS6268327A (ja) * 1985-09-20 1987-03-28 Oki Electric Ind Co Ltd 対数−線形数値変換方式
JPH07210195A (ja) * 1993-12-30 1995-08-11 Internatl Business Mach Corp <Ibm> 高品質ディジタル・オーディオの効率的な圧縮のための方法および装置
JPH0816195A (ja) * 1994-06-30 1996-01-19 Samsung Electron Co Ltd ディジタルオーディオ符号化方法及び装置
JPH0854899A (ja) * 1994-08-11 1996-02-27 Sharp Corp 符号化装置
JPH0934494A (ja) * 1995-07-15 1997-02-07 Nec Corp 音声信号処理回路
JPH11212768A (ja) * 1998-01-23 1999-08-06 Sanyo Electric Co Ltd 対数値算出回路

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG135920A1 (en) * 2003-03-07 2007-10-29 St Microelectronics Asia Device and process for use in encoding audio data
WO2012046979A3 (ko) * 2010-10-06 2012-05-31 에스케이텔레콤 주식회사 주파수 마스크 테이블을 이용한 주파수변환 블록 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
CN103155565A (zh) * 2010-10-06 2013-06-12 Sk电信有限公司 使用频率掩蔽表编码频率转换块的方法和设备以及使用该方法和设备编码/解码视频的方法和设备
CN103155565B (zh) * 2010-10-06 2016-01-20 Sk电信有限公司 使用频率掩蔽表编码频率转换块的方法和设备以及使用该方法和设备编码/解码视频的方法和设备
US9473773B2 (en) 2010-10-06 2016-10-18 Sk Telecom Co., Ltd. Method and apparatus for encoding frequency transformed block using frequency mask table, and method and apparatus for encoding/decoding video using same
US9497461B2 (en) 2010-10-06 2016-11-15 Sk Telecom Co., Ltd. Method and apparatus for encoding frequency transformed block using frequency mask table, and method and apparatus for encoding/decoding video using same

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