SE456618B - Forfarande och talprocessor for att behandla en talsignal for att bilda en digital kod, som representerar talmonstret - Google Patents

Forfarande och talprocessor for att behandla en talsignal for att bilda en digital kod, som representerar talmonstret

Info

Publication number
SE456618B
SE456618B SE8206641A SE8206641A SE456618B SE 456618 B SE456618 B SE 456618B SE 8206641 A SE8206641 A SE 8206641A SE 8206641 A SE8206641 A SE 8206641A SE 456618 B SE456618 B SE 456618B
Authority
SE
Sweden
Prior art keywords
signal
interval
generating
speech
signals
Prior art date
Application number
SE8206641A
Other languages
English (en)
Swedish (sv)
Other versions
SE8206641L (sv
SE8206641D0 (sv
Inventor
B S Atal
J R Remde
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE8206641D0 publication Critical patent/SE8206641D0/xx
Publication of SE8206641L publication Critical patent/SE8206641L/
Publication of SE456618B publication Critical patent/SE456618B/sv

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Analogue/Digital Conversion (AREA)
SE8206641A 1981-12-01 1982-11-22 Forfarande och talprocessor for att behandla en talsignal for att bilda en digital kod, som representerar talmonstret SE456618B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/326,371 US4472832A (en) 1981-12-01 1981-12-01 Digital speech coder

Publications (3)

Publication Number Publication Date
SE8206641D0 SE8206641D0 (sv) 1982-11-22
SE8206641L SE8206641L (sv) 1983-06-02
SE456618B true SE456618B (sv) 1988-10-17

Family

ID=23271926

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8206641A SE456618B (sv) 1981-12-01 1982-11-22 Forfarande och talprocessor for att behandla en talsignal for att bilda en digital kod, som representerar talmonstret
SE8704178A SE467429B (sv) 1981-12-01 1987-10-27 Talprocessor foer aastadkommande av talmeddelande

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE8704178A SE467429B (sv) 1981-12-01 1987-10-27 Talprocessor foer aastadkommande av talmeddelande

Country Status (8)

Country Link
US (1) US4472832A (cs)
JP (2) JPS6046440B2 (cs)
CA (1) CA1181854A (cs)
DE (1) DE3244476A1 (cs)
FR (1) FR2517452B1 (cs)
GB (1) GB2110906B (cs)
NL (1) NL193037C (cs)
SE (2) SE456618B (cs)

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NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
FR2579356B1 (fr) * 1985-03-22 1987-05-07 Cit Alcatel Procede de codage a faible debit de la parole a signal multi-impulsionnel d'excitation
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US4890328A (en) * 1985-08-28 1989-12-26 American Telephone And Telegraph Company Voice synthesis utilizing multi-level filter excitation
US4912764A (en) * 1985-08-28 1990-03-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder with different excitation types
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USRE34247E (en) * 1985-12-26 1993-05-11 At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
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US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US4890327A (en) * 1987-06-03 1989-12-26 Itt Corporation Multi-rate digital voice coder apparatus
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
US5285520A (en) * 1988-03-02 1994-02-08 Kokusai Denshin Denwa Kabushiki Kaisha Predictive coding apparatus
JP2625998B2 (ja) * 1988-12-09 1997-07-02 沖電気工業株式会社 特徴抽出方式
WO1990013891A1 (en) * 1989-05-11 1990-11-15 Telefonaktiebolaget Lm Ericsson Excitation pulse positioning method in a linear predictive speech coder
US5261027A (en) * 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5263119A (en) * 1989-06-29 1993-11-16 Fujitsu Limited Gain-shape vector quantization method and apparatus
JPH0365822A (ja) * 1989-08-04 1991-03-20 Fujitsu Ltd ベクトル量子化符号器及びベクトル量子化復号器
US5235669A (en) * 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
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US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
SE508788C2 (sv) * 1995-04-12 1998-11-02 Ericsson Telefon Ab L M Förfarande att bestämma positionerna inom en talram för excitationspulser
JP3137176B2 (ja) * 1995-12-06 2001-02-19 日本電気株式会社 音声符号化装置
DE19643900C1 (de) * 1996-10-30 1998-02-12 Ericsson Telefon Ab L M Nachfiltern von Hörsignalen, speziell von Sprachsignalen
US5839098A (en) * 1996-12-19 1998-11-17 Lucent Technologies Inc. Speech coder methods and systems
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
US6003000A (en) * 1997-04-29 1999-12-14 Meta-C Corporation Method and system for speech processing with greatly reduced harmonic and intermodulation distortion
US7392180B1 (en) 1998-01-09 2008-06-24 At&T Corp. System and method of coding sound signals using sound enhancement
US6182033B1 (en) * 1998-01-09 2001-01-30 At&T Corp. Modular approach to speech enhancement with an application to speech coding
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding
US6516207B1 (en) * 1999-12-07 2003-02-04 Nortel Networks Limited Method and apparatus for performing text to speech synthesis
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EP2595146A1 (en) * 2011-11-17 2013-05-22 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Method of and apparatus for evaluating intelligibility of a degraded speech signal

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US3624302A (en) * 1969-10-29 1971-11-30 Bell Telephone Labor Inc Speech analysis and synthesis by the use of the linear prediction of a speech wave
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JPS5246642A (en) * 1975-10-09 1977-04-13 Mitsubishi Metal Corp Swimming pool
JPS5343403A (en) * 1976-10-01 1978-04-19 Kokusai Denshin Denwa Co Ltd System for analysing and synthesizing voice
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JPS5648690A (en) * 1979-09-28 1981-05-01 Hitachi Ltd Sound synthesizer

Also Published As

Publication number Publication date
NL193037B (nl) 1998-04-01
SE8704178L (sv) 1987-10-27
NL193037C (nl) 1998-08-04
GB2110906A (en) 1983-06-22
JPH0650437B2 (ja) 1994-06-29
US4472832A (en) 1984-09-18
JPS58105300A (ja) 1983-06-23
GB2110906B (en) 1985-10-02
SE8206641L (sv) 1983-06-02
SE8704178D0 (sv) 1987-10-27
SE467429B (sv) 1992-07-13
CA1181854A (en) 1985-01-29
DE3244476C2 (cs) 1988-01-21
SE8206641D0 (sv) 1982-11-22
NL8204641A (nl) 1983-07-01
FR2517452A1 (fr) 1983-06-03
JPS6156400A (ja) 1986-03-22
FR2517452B1 (fr) 1986-05-02
JPS6046440B2 (ja) 1985-10-16
DE3244476A1 (de) 1983-07-14

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