CA1321025C - Speech signal coding/decoding system - Google Patents

Speech signal coding/decoding system

Info

Publication number
CA1321025C
CA1321025C CA000581746A CA581746A CA1321025C CA 1321025 C CA1321025 C CA 1321025C CA 000581746 A CA000581746 A CA 000581746A CA 581746 A CA581746 A CA 581746A CA 1321025 C CA1321025 C CA 1321025C
Authority
CA
Canada
Prior art keywords
filter
term predictive
output
shaping
speech signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA000581746A
Other languages
English (en)
French (fr)
Inventor
Takahiro Nomura
Yohtaro Yatsuzuka
Shigeru Iizuka
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Application granted granted Critical
Publication of CA1321025C publication Critical patent/CA1321025C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA000581746A 1988-04-13 1988-10-31 Speech signal coding/decoding system Expired - Fee Related CA1321025C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63088922A JP3074680B2 (ja) 1988-04-13 1988-04-13 音声復号器のポスト雑音整形フィルタ
JP88922/88 1988-04-13

Publications (1)

Publication Number Publication Date
CA1321025C true CA1321025C (en) 1993-08-03

Family

ID=13956406

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000581746A Expired - Fee Related CA1321025C (en) 1988-04-13 1988-10-31 Speech signal coding/decoding system

Country Status (2)

Country Link
JP (1) JP3074680B2 (ja)
CA (1) CA1321025C (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3274451B2 (ja) * 1990-02-23 2002-04-15 株式会社東芝 適応ポストフィルタ及び適応ポストフィルタリング方法
JP3071800B2 (ja) * 1990-02-23 2000-07-31 株式会社東芝 適応ポストフィルタ
JP3076086B2 (ja) * 1991-06-28 2000-08-14 シャープ株式会社 音声合成装置用ポストフィルタ
ES2164640T3 (es) * 1991-08-02 2002-03-01 Sony Corp Codificador digital con asignacion dinamica de bits de cuantificacion.
US5710862A (en) * 1993-06-30 1998-01-20 Motorola, Inc. Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals
JP3360423B2 (ja) * 1994-06-21 2002-12-24 三菱電機株式会社 音声強調装置
EP0788091A3 (en) * 1996-01-31 1999-02-24 Kabushiki Kaisha Toshiba Speech encoding and decoding method and apparatus therefor
JP4735711B2 (ja) 2008-12-17 2011-07-27 ソニー株式会社 情報符号化装置
JP2010160496A (ja) * 2010-02-15 2010-07-22 Toshiba Corp 信号処理装置および信号処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0727398B2 (ja) * 1985-02-12 1995-03-29 日本電気株式会社 定数可変型聴感的重み付けフイルタ
JPS62111300A (ja) * 1985-11-08 1987-05-22 松下電器産業株式会社 音声分析合成回路
JPS62111299A (ja) * 1985-11-08 1987-05-22 松下電器産業株式会社 音声信号特徴抽出回路

Also Published As

Publication number Publication date
JPH01261930A (ja) 1989-10-18
JP3074680B2 (ja) 2000-08-07

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