HK1017472A1 - Sound source vector generator and method for generating a sound source vector. - Google Patents

Sound source vector generator and method for generating a sound source vector.

Info

Publication number
HK1017472A1
HK1017472A1 HK99102382A HK99102382A HK1017472A1 HK 1017472 A1 HK1017472 A1 HK 1017472A1 HK 99102382 A HK99102382 A HK 99102382A HK 99102382 A HK99102382 A HK 99102382A HK 1017472 A1 HK1017472 A1 HK 1017472A1
Authority
HK
Hong Kong
Prior art keywords
sound source
source vector
generating
generator
vector generator
Prior art date
Application number
HK99102382A
Other languages
English (en)
Inventor
Kazutoshi Yasunaga
Toshiyuki Morii
Taisuke Watanabe
Hiroyuki Ehara
Original Assignee
Matsushita Electric Ind 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27459954&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1017472(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP29473896A external-priority patent/JP4003240B2/ja
Priority claimed from JP31032496A external-priority patent/JP4006770B2/ja
Priority claimed from JP03458297A external-priority patent/JP3174742B2/ja
Priority claimed from JP03458397A external-priority patent/JP3700310B2/ja
Priority to HK02103543A priority Critical patent/HK1041968A1/xx
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Priority to HK02103541A priority patent/HK1041966A1/xx
Priority to HK04107703A priority patent/HK1064787A1/xx
Priority to HK02103546.1A priority patent/HK1041971B/zh
Priority to HK02103545.2A priority patent/HK1041970B/zh
Priority to HK04107704A priority patent/HK1064788A1/xx
Priority to HK02103542A priority patent/HK1041967A1/xx
Priority to HK02103544A priority patent/HK1041969A1/xx
Publication of HK1017472A1 publication Critical patent/HK1017472A1/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
HK99102382A 1996-11-07 1999-05-27 Sound source vector generator and method for generating a sound source vector. HK1017472A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
HK02103544A HK1041969A1 (en) 1996-11-07 1999-05-27 Sound source vector generator, voice encoder and voice decoder.
HK02103542A HK1041967A1 (en) 1996-11-07 1999-05-27 Speech coder or decoder and speech coding or decoding method.
HK04107704A HK1064788A1 (en) 1996-11-07 1999-05-27 Noise cancellator
HK02103545.2A HK1041970B (zh) 1996-11-07 1999-05-27 聲源矢量生成裝置及方法
HK02103546.1A HK1041971B (zh) 1996-11-07 1999-05-27 聲源矢量生成裝置以及聲音編碼裝置和聲音解碼裝置
HK02103543A HK1041968A1 (en) 1996-11-07 1999-05-27 Sound source vector generator, voice encoder and voice decoder.
HK02103541A HK1041966A1 (en) 1996-11-07 1999-05-27 Sound source vector generator, voice encoder and voice decoder.
HK04107703A HK1064787A1 (en) 1996-11-07 1999-05-27 Sound source vector generator, voice encoder, and voice decoder

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP29473896A JP4003240B2 (ja) 1996-11-07 1996-11-07 音声符号化装置及び音声復号化装置
JP31032496A JP4006770B2 (ja) 1996-11-21 1996-11-21 ノイズ推定装置、ノイズ削減装置、ノイズ推定方法、及びノイズ削減方法
JP03458397A JP3700310B2 (ja) 1997-02-19 1997-02-19 ベクトル量子化装置及びベクトル量子化方法
JP03458297A JP3174742B2 (ja) 1997-02-19 1997-02-19 Ｃｅｌｐ型音声復号化装置及びｃｅｌｐ型音声復号化方法
PCT/JP1997/004033 WO1998020483A1 (fr) 1996-11-07 1997-11-06 Generateur de vecteur de source sonore, codeur et decodeur vocal

Publications (1)

Publication Number Publication Date
HK1017472A1 true HK1017472A1 (en) 1999-11-19

Family

ID=27459954

Family Applications (2)

Application Number Title Priority Date Filing Date
HK99102382A HK1017472A1 (en) 1996-11-07 1999-05-27 Sound source vector generator and method for generating a sound source vector.
HK07103753.4A HK1097945A1 (en) 1996-11-07 2007-04-11 Sound source vector generator, voice encoder, and voice decoder

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK07103753.4A HK1097945A1 (en) 1996-11-07 2007-04-11 Sound source vector generator, voice encoder, and voice decoder

Country Status (9)

Country Link
US (20) US6453288B1 (ko)
EP (16) EP0883107B9 (ko)
KR (9) KR100339168B1 (ko)
CN (11) CN1188833C (ko)
AU (1) AU4884297A (ko)
CA (1) CA2242345C (ko)
DE (17) DE69712539T2 (ko)
HK (2) HK1017472A1 (ko)
WO (1) WO1998020483A1 (ko)

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