TW301829B - - Google Patents

Download PDF

Info

Publication number
TW301829B
TW301829B TW084103667A TW84103667A TW301829B TW 301829 B TW301829 B TW 301829B TW 084103667 A TW084103667 A TW 084103667A TW 84103667 A TW84103667 A TW 84103667A TW 301829 B TW301829 B TW 301829B
Authority
TW
Taiwan
Prior art keywords
information
signal
component
encoding
sequence
Prior art date
Application number
TW084103667A
Other languages
English (en)
Chinese (zh)
Original Assignee
Sony Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Co Ltd filed Critical Sony Co Ltd
Application granted granted Critical
Publication of TW301829B publication Critical patent/TW301829B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G10L2025/935—Mixed voiced class; Transitions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Dc Digital Transmission (AREA)
TW084103667A 1994-04-01 1995-04-14 TW301829B (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6485394 1994-04-01
JP6485494 1994-04-01

Publications (1)

Publication Number Publication Date
TW301829B true TW301829B (enExample) 1997-04-01

Family

ID=26405956

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084103667A TW301829B (enExample) 1994-04-01 1995-04-14

Country Status (14)

Country Link
US (1) US5680130A (enExample)
EP (1) EP0713295B1 (enExample)
JP (1) JP3203657B2 (enExample)
KR (1) KR100352352B1 (enExample)
CN (1) CN1103141C (enExample)
AT (1) ATE276607T1 (enExample)
BR (1) BR9505863A (enExample)
CA (1) CA2163371C (enExample)
DE (1) DE69533500T2 (enExample)
ES (1) ES2224121T3 (enExample)
MY (1) MY130167A (enExample)
PL (1) PL311812A1 (enExample)
TW (1) TW301829B (enExample)
WO (1) WO1995027335A1 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
TW295747B (enExample) * 1994-06-13 1997-01-11 Sony Co Ltd
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
JPH09101799A (ja) * 1995-10-04 1997-04-15 Sony Corp 信号符号化方法及び装置
JPH09148937A (ja) * 1995-11-21 1997-06-06 Sony Corp 符号化処理方法、復号化処理方法、符号化処理装置および復号化処理装置
US6324301B1 (en) * 1996-01-24 2001-11-27 Lucent Technologies Inc. Adaptive postfilter for low bitrate visual telephony noise removal
JPH1084284A (ja) * 1996-09-06 1998-03-31 Sony Corp 信号再生方法および装置
TW429700B (en) * 1997-02-26 2001-04-11 Sony Corp Information encoding method and apparatus, information decoding method and apparatus and information recording medium
TW384434B (en) 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
US7016308B1 (en) * 1999-03-19 2006-03-21 Broadband Royalty Corporation Digital return path for hybrid fiber/coax network
US6658382B1 (en) 1999-03-23 2003-12-02 Nippon Telegraph And Telephone Corporation Audio signal coding and decoding methods and apparatus and recording media with programs therefor
US6967966B1 (en) 1999-11-03 2005-11-22 Adc Telecommunications, Inc. Digital return path for hybrid fiber/coax network
US7031335B1 (en) 1999-11-03 2006-04-18 Adc Telecommunications, Inc. Digital node for hybrid fiber/coax network
US6519773B1 (en) 2000-02-08 2003-02-11 Sherjil Ahmed Method and apparatus for a digitized CATV network for bundled services
EP1335496B1 (en) * 2000-12-14 2009-06-10 Sony Corporation Coding and decoding
JP4622164B2 (ja) * 2001-06-15 2011-02-02 ソニー株式会社 音響信号符号化方法及び装置
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
JP4322207B2 (ja) * 2002-07-12 2009-08-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ符号化方法
US6750791B1 (en) * 2003-02-07 2004-06-15 Nokia Corporation Method and device for text data compression
US7022980B2 (en) * 2004-02-02 2006-04-04 Agilent Technologies, Inc. Spectral axis transform
US7536302B2 (en) * 2004-07-13 2009-05-19 Industrial Technology Research Institute Method, process and device for coding audio signals
WO2006059288A1 (en) * 2004-12-03 2006-06-08 Koninklijke Philips Electronics N.V. Parametric audio coding comprising balanced quantization scheme
US7885809B2 (en) * 2005-04-20 2011-02-08 Ntt Docomo, Inc. Quantization of speech and audio coding parameters using partial information on atypical subsequences
US8073395B2 (en) * 2006-03-07 2011-12-06 Samsung Electronics Co., Ltd. Channel sensing based on self-signal suppression
KR101291672B1 (ko) * 2007-03-07 2013-08-01 삼성전자주식회사 노이즈 신호 부호화 및 복호화 장치 및 방법
EP2720222A1 (en) * 2012-10-10 2014-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns
CN105336344B (zh) 2014-07-10 2019-08-20 华为技术有限公司 杂音检测方法和装置
CN113112993B (zh) * 2020-01-10 2024-04-02 阿里巴巴集团控股有限公司 一种音频信息处理方法、装置、电子设备以及存储介质

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485337A (en) * 1983-05-09 1984-11-27 Control Data Corporation Servo data driven motor speed control
US4669120A (en) * 1983-07-08 1987-05-26 Nec Corporation Low bit-rate speech coding with decision of a location of each exciting pulse of a train concurrently with optimum amplitudes of pulses
JPS62259263A (ja) * 1986-05-06 1987-11-11 Pioneer Electronic Corp スピンドルサ−ボ引込み方法及びその装置
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
IL89672A (en) * 1988-04-29 1994-04-12 Motorola Inc Spectrally efficient method for communicating an information signal
JPH06101197B2 (ja) * 1988-10-12 1994-12-12 パイオニア株式会社 Ｃｌｖディスク駆動用スピンドルサーボループのループゲイン制御方法
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
JP2542097B2 (ja) * 1990-01-16 1996-10-09 パイオニア株式会社 クロック生成用ｐｌｌ回路を含む読取線速度可変型ディスク記録情報再生装置
JPH0472909A (ja) * 1990-07-13 1992-03-06 Sony Corp オーディオ信号の量子化誤差低減装置
DK0531538T3 (da) * 1991-03-29 1998-10-19 Sony Corp Fremgangsmåde til indkodning af digitale signaler
JPH0539442A (ja) * 1991-08-02 1993-02-19 Genji Naemura 導電性発熱流動体
ATE210347T1 (de) * 1991-08-02 2001-12-15 Sony Corp Digitaler kodierer mit dynamischer quantisierungsbitverteilung
US5355430A (en) * 1991-08-12 1994-10-11 Mechatronics Holding Ag Method for encoding and decoding a human speech signal by using a set of parameters
DE4135070C1 (enExample) * 1991-10-24 1993-05-19 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法
US5717821A (en) 1993-05-31 1998-02-10 Sony Corporation Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal
US5581653A (en) * 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
US5537510A (en) * 1994-12-30 1996-07-16 Daewoo Electronics Co., Ltd. Adaptive digital audio encoding apparatus and a bit allocation method thereof

Also Published As

Publication number Publication date
EP0713295A4 (en) 2002-04-17
CN1103141C (zh) 2003-03-12
JP3203657B2 (ja) 2001-08-27
ES2224121T3 (es) 2005-03-01
MY130167A (en) 2007-06-29
DE69533500T2 (de) 2005-09-08
US5680130A (en) 1997-10-21
KR960702963A (ko) 1996-05-23
BR9505863A (pt) 1996-02-21
CN1126004A (zh) 1996-07-03
DE69533500D1 (de) 2004-10-21
EP0713295A1 (en) 1996-05-22
CA2163371C (en) 2005-09-20
WO1995027335A1 (en) 1995-10-12
EP0713295B1 (en) 2004-09-15
CA2163371A1 (en) 1995-10-12
ATE276607T1 (de) 2004-10-15
PL311812A1 (en) 1996-03-18
KR100352352B1 (ko) 2003-01-06

Similar Documents

Publication Publication Date Title
TW301829B (enExample)
KR100903017B1 (ko) 고품질 오디오용 가변 코딩 방법
KR100458969B1 (ko) 신호부호화또는복호화장치,및신호부호화또는복호화방법
US7974840B2 (en) Method and apparatus for encoding/decoding MPEG-4 BSAC audio bitstream having ancillary information
KR100310214B1 (ko) 신호인코딩또는디코딩장치와레코딩매체
US5765126A (en) Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal
JPWO1995027335A1 (ja) 情報符号化方法及び装置、情報復号化方法及び装置、情報伝送方法、並びに情報記録媒体
KR100419546B1 (ko) 신호부호화방법및장치,신호복호화방법및장치,및신호전송방법
JPWO1995001680A1 (ja) ディジタル信号の符号化装置及びその復号化装置並びに記録媒体
JPWO1995034956A1 (ja) 信号符号化方法及び装置、信号復号化方法及び装置、記録媒体、並びに信号伝送装置
WO1995013660A1 (en) Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media
US6930618B2 (en) Encoding method and apparatus, and decoding method and apparatus
JP3318931B2 (ja) 信号符号化装置、信号復号化装置及び信号符号化方法
JP3277699B2 (ja) 信号符号化方法及び装置並びに信号復号化方法及び装置
JPH0846518A (ja) 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
CN100574114C (zh) 编码方法和设备以及解码方法和设备
US5950156A (en) High efficient signal coding method and apparatus therefor
JP3685823B2 (ja) 信号符号化方法及び装置、並びに信号復号化方法及び装置
JP3465697B2 (ja) 信号記録媒体
JPH07336231A (ja) 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
US20070078651A1 (en) Device and method for encoding, decoding speech and audio signal
JP3250367B2 (ja) 符号化信号復号化方法及びその装置
TW407402B (en) Method for sub frequency band encoding/decoding and apparatus thereof
JP2002033667A (ja) 信号復号化方法及び装置
JPH1130995A (ja) 復号化方法および装置

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees