NL8400728A - Digitale spraakcoder met basisband residucodering. - Google Patents

Digitale spraakcoder met basisband residucodering. Download PDF

Info

Publication number
NL8400728A
NL8400728A NL8400728A NL8400728A NL8400728A NL 8400728 A NL8400728 A NL 8400728A NL 8400728 A NL8400728 A NL 8400728A NL 8400728 A NL8400728 A NL 8400728A NL 8400728 A NL8400728 A NL 8400728A
Authority
NL
Netherlands
Prior art keywords
speech
signal
residual signal
filter
prediction parameters
Prior art date
Application number
NL8400728A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8400728A priority Critical patent/NL8400728A/nl
Priority to EP85200310A priority patent/EP0154381B1/de
Priority to DE8585200310T priority patent/DE3578355D1/de
Priority to US06/708,771 priority patent/US4752956A/en
Priority to CA000476001A priority patent/CA1223073A/en
Priority to AU39629/85A priority patent/AU567395B2/en
Priority to JP60045711A priority patent/JPS60206336A/ja
Publication of NL8400728A publication Critical patent/NL8400728A/nl

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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
NL8400728A 1984-03-07 1984-03-07 Digitale spraakcoder met basisband residucodering. NL8400728A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8400728A NL8400728A (nl) 1984-03-07 1984-03-07 Digitale spraakcoder met basisband residucodering.
EP85200310A EP0154381B1 (de) 1984-03-07 1985-03-04 Digitaler Sprachcodierer mit Basisbandresidualcodierung
DE8585200310T DE3578355D1 (de) 1984-03-07 1985-03-04 Digitaler sprachcodierer mit basisbandresidualcodierung.
US06/708,771 US4752956A (en) 1984-03-07 1985-03-06 Digital speech coder with baseband residual coding
CA000476001A CA1223073A (en) 1984-03-07 1985-03-07 Digital speech coder with baseband residual coding
AU39629/85A AU567395B2 (en) 1984-03-07 1985-03-07 Digital speech coder
JP60045711A JPS60206336A (ja) 1984-03-07 1985-03-07 ベースバンド残留コーデイングを有するデイジタル音声コーダ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8400728A NL8400728A (nl) 1984-03-07 1984-03-07 Digitale spraakcoder met basisband residucodering.
NL8400728 1984-03-07

Publications (1)

Publication Number Publication Date
NL8400728A true NL8400728A (nl) 1985-10-01

Family

ID=19843614

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400728A NL8400728A (nl) 1984-03-07 1984-03-07 Digitale spraakcoder met basisband residucodering.

Country Status (7)

Country Link
US (1) US4752956A (de)
EP (1) EP0154381B1 (de)
JP (1) JPS60206336A (de)
AU (1) AU567395B2 (de)
CA (1) CA1223073A (de)
DE (1) DE3578355D1 (de)
NL (1) NL8400728A (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
CA1323934C (en) * 1986-04-15 1993-11-02 Tetsu Taguchi Speech processing apparatus
US6621942B1 (en) * 1989-09-29 2003-09-16 Intermec Ip Corp. Data capture apparatus with handwritten data receiving component
US5202953A (en) * 1987-04-08 1993-04-13 Nec Corporation Multi-pulse type coding system with correlation calculation by backward-filtering operation for multi-pulse searching
US5220583A (en) * 1988-10-03 1993-06-15 Motorola, Inc. Digital fm demodulator with a reduced sampling rate
EP0401452B1 (de) * 1989-06-07 1994-03-23 International Business Machines Corporation Sprachcodierer mit niedriger Datenrate und niedriger Verzögerung
US5450522A (en) * 1991-08-19 1995-09-12 U S West Advanced Technologies, Inc. Auditory model for parametrization of speech
EP0547826A1 (de) * 1991-12-18 1993-06-23 Raytheon Company ADPCM-Komprimierer mit adaptiver Bit-Anzahl für Bilddaten
US5353374A (en) * 1992-10-19 1994-10-04 Loral Aerospace Corporation Low bit rate voice transmission for use in a noisy environment
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
US5673364A (en) * 1993-12-01 1997-09-30 The Dsp Group Ltd. System and method for compression and decompression of audio signals
JPH07160299A (ja) * 1993-12-06 1995-06-23 Hitachi Denshi Ltd 音声信号帯域圧縮伸張装置並びに音声信号の帯域圧縮伝送方式及び再生方式
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置
FI98163C (fi) * 1994-02-08 1997-04-25 Nokia Mobile Phones Ltd Koodausjärjestelmä parametriseen puheenkoodaukseen
US5715365A (en) * 1994-04-04 1998-02-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US6471420B1 (en) * 1994-05-13 2002-10-29 Matsushita Electric Industrial Co., Ltd. Voice selection apparatus voice response apparatus, and game apparatus using word tables from which selected words are output as voice selections
US5761633A (en) * 1994-08-30 1998-06-02 Samsung Electronics Co., Ltd. Method of encoding and decoding speech signals
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
JPH09307385A (ja) * 1996-03-13 1997-11-28 Fuideritsukusu:Kk 音響信号再生方法及び装置
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6199037B1 (en) 1997-12-04 2001-03-06 Digital Voice Systems, Inc. Joint quantization of speech subframe voicing metrics and fundamental frequencies
US6418405B1 (en) * 1999-09-30 2002-07-09 Motorola, Inc. Method and apparatus for dynamic segmentation of a low bit rate digital voice message
EP1096471B1 (de) * 1999-10-29 2004-09-22 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Vorrichtung zur robusten Merkmalsextraktion für die Spracherkennung
US6377916B1 (en) 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
EP1199709A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Fehlerverdeckung in Bezug auf die Dekodierung von kodierten akustischen Signalen
US7353168B2 (en) * 2001-10-03 2008-04-01 Broadcom Corporation Method and apparatus to eliminate discontinuities in adaptively filtered signals
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
US9936077B2 (en) * 2013-08-05 2018-04-03 Genesys Telecommunications Laboratories, Inc. Methods for the encoding of participants in a conference

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133976A (en) * 1978-04-07 1979-01-09 Bell Telephone Laboratories, Incorporated Predictive speech signal coding with reduced noise effects
EP0076233B1 (de) * 1981-09-24 1985-09-11 GRETAG Aktiengesellschaft Verfahren und Vorrichtung zur redundanzvermindernden digitalen Sprachverarbeitung

Also Published As

Publication number Publication date
JPS60206336A (ja) 1985-10-17
EP0154381B1 (de) 1990-06-20
AU3962985A (en) 1985-09-12
EP0154381A3 (en) 1986-01-15
AU567395B2 (en) 1987-11-19
DE3578355D1 (de) 1990-07-26
EP0154381A2 (de) 1985-09-11
CA1223073A (en) 1987-06-16
US4752956A (en) 1988-06-21

Similar Documents

Publication Publication Date Title
NL8400728A (nl) Digitale spraakcoder met basisband residucodering.
JP3936139B2 (ja) オーバーサンプリングされた合成広帯域信号の高周波数成分回復の方法および装置
JP4662673B2 (ja) 広帯域音声及びオーディオ信号復号器における利得平滑化
RU2327230C2 (ru) Способ и устройство для частотно-избирательного выделения основного тона синтезированной речи
KR100421226B1 (ko) 음성 주파수 신호의 선형예측 분석 코딩 및 디코딩방법과 그 응용
EP0673013B1 (de) System zum Kodieren und Dekodieren von Signalen
US4821324A (en) Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate
US7711556B1 (en) Pseudo-cepstral adaptive short-term post-filters for speech coders
WO1980002211A1 (en) Residual excited predictive speech coding system
KR20000077057A (ko) 음성합성장치 및 방법, 전화장치 및 프로그램 제공매체
US6104994A (en) Method for speech coding under background noise conditions
CA1334688C (en) Multi-pulse type encoder having a low transmission rate
JP3201268B2 (ja) 音声通信装置
JP3166673B2 (ja) ボコーダ符号化復号装置
JP3282595B2 (ja) 音声符号化・復号化装置及び通信装置
JPH0480400B2 (de)
JP2973966B2 (ja) 音声通信装置
Farrugia Combined speech and audio coding with bit rate and bandwidth scalability
JPH11102199A (ja) 音声通信装置
GB2398983A (en) Speech communication unit and method for synthesising speech therein
JPH0437999B2 (de)
JPH11194799A (ja) 楽音符号化装置および楽音復号化装置および楽音符号化復号化装置およびプログラム記憶媒体
EP1172803A2 (de) System zur Vektorquantisierung und Betriebsverfahren

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed