NL8500843A - Multipuls-excitatie lineair-predictieve spraakcoder. - Google Patents
Multipuls-excitatie lineair-predictieve spraakcoder. Download PDFInfo
- Publication number
- NL8500843A NL8500843A NL8500843A NL8500843A NL8500843A NL 8500843 A NL8500843 A NL 8500843A NL 8500843 A NL8500843 A NL 8500843A NL 8500843 A NL8500843 A NL 8500843A NL 8500843 A NL8500843 A NL 8500843A
- Authority
- NL
- Netherlands
- Prior art keywords
- excitation
- signal
- pulse
- interval
- pulses
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title claims description 160
- 230000004044 response Effects 0.000 claims description 55
- 238000005303 weighing Methods 0.000 claims description 13
- 238000001228 spectrum Methods 0.000 claims description 12
- 230000007774 longterm Effects 0.000 claims description 6
- 238000005311 autocorrelation function Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims description 2
- 241000218645 Cedrus Species 0.000 claims 2
- 238000000034 method Methods 0.000 description 50
- 230000006870 function Effects 0.000 description 31
- 238000010586 diagram Methods 0.000 description 30
- 239000011159 matrix material Substances 0.000 description 28
- 238000012546 transfer Methods 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 19
- 238000003786 synthesis reaction Methods 0.000 description 19
- 239000013598 vector Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 229940050561 matrix product Drugs 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000004040 coloring Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000013139 quantization Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 241001527806 Iti Species 0.000 description 1
- 241000287530 Psittaciformes Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8500843A NL8500843A (nl) | 1985-03-22 | 1985-03-22 | Multipuls-excitatie lineair-predictieve spraakcoder. |
| DE8686200434T DE3663863D1 (en) | 1985-03-22 | 1986-03-19 | Multi-pulse excitation linear-predictive speech coder |
| EP86200434A EP0195487B1 (de) | 1985-03-22 | 1986-03-19 | Linearer Prädiktionssprachcodierer mit Mehrimpulsanregung |
| CA000504510A CA1243121A (en) | 1985-03-22 | 1986-03-19 | Multi-pulse excitation linear-predictive speech coder |
| JP61063888A JP2511871B2 (ja) | 1985-03-22 | 1986-03-20 | マルチパルス励起線形予測符号器 |
| US06/841,906 US4932061A (en) | 1985-03-22 | 1986-03-20 | Multi-pulse excitation linear-predictive speech coder |
| AU54993/86A AU577454B2 (en) | 1985-03-22 | 1986-03-21 | Multi-pulse excitation linear predictive speech coder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8500843A NL8500843A (nl) | 1985-03-22 | 1985-03-22 | Multipuls-excitatie lineair-predictieve spraakcoder. |
| NL8500843 | 1985-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8500843A true NL8500843A (nl) | 1986-10-16 |
Family
ID=19845725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8500843A NL8500843A (nl) | 1985-03-22 | 1985-03-22 | Multipuls-excitatie lineair-predictieve spraakcoder. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4932061A (de) |
| EP (1) | EP0195487B1 (de) |
| JP (1) | JP2511871B2 (de) |
| AU (1) | AU577454B2 (de) |
| CA (1) | CA1243121A (de) |
| DE (1) | DE3663863D1 (de) |
| NL (1) | NL8500843A (de) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1336841C (en) * | 1987-04-08 | 1995-08-29 | Tetsu Taguchi | Multi-pulse type coding system |
| USRE35057E (en) * | 1987-08-28 | 1995-10-10 | British Telecommunications Public Limited Company | Speech coding using sparse vector codebook and cyclic shift techniques |
| CA1337217C (en) * | 1987-08-28 | 1995-10-03 | Daniel Kenneth Freeman | Speech coding |
| DE3879664T4 (de) * | 1988-01-05 | 1993-10-07 | British Telecomm | Sprachkodierung. |
| CA1328509C (en) * | 1988-03-28 | 1994-04-12 | Tetsu Taguchi | Linear predictive speech analysis-synthesis apparatus |
| DE3834871C1 (en) * | 1988-10-13 | 1989-12-14 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Method for encoding speech |
| JPH02181800A (ja) * | 1989-01-06 | 1990-07-16 | Nec Corp | 音声符号化復号化方式 |
| DE69029120T2 (de) * | 1989-04-25 | 1997-04-30 | Toshiba Kawasaki Kk | Stimmenkodierer |
| JPH02287399A (ja) * | 1989-04-28 | 1990-11-27 | Fujitsu Ltd | ベクトル量子化制御方式 |
| SE463691B (sv) * | 1989-05-11 | 1991-01-07 | Ericsson Telefon Ab L M | Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen |
| JP2940005B2 (ja) * | 1989-07-20 | 1999-08-25 | 日本電気株式会社 | 音声符号化装置 |
| NL8902347A (nl) * | 1989-09-20 | 1991-04-16 | Nederland Ptt | Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal. |
| CA2027705C (en) * | 1989-10-17 | 1994-02-15 | Masami Akamine | Speech coding system utilizing a recursive computation technique for improvement in processing speed |
| IL95753A (en) * | 1989-10-17 | 1994-11-11 | Motorola Inc | Digits a digital speech |
| US5287529A (en) * | 1990-08-21 | 1994-02-15 | Massachusetts Institute Of Technology | Method for estimating solutions to finite element equations by generating pyramid representations, multiplying to generate weight pyramids, and collapsing the weighted pyramids |
| FR2668288B1 (fr) * | 1990-10-19 | 1993-01-15 | Di Francesco Renaud | Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant. |
| DE69131779T2 (de) * | 1990-12-21 | 2004-09-09 | British Telecommunications P.L.C. | Sprachcodierung |
| JP3254687B2 (ja) * | 1991-02-26 | 2002-02-12 | 日本電気株式会社 | 音声符号化方式 |
| FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
| US5450522A (en) * | 1991-08-19 | 1995-09-12 | U S West Advanced Technologies, Inc. | Auditory model for parametrization of speech |
| WO1993006592A1 (en) * | 1991-09-20 | 1993-04-01 | Lernout & Hauspie Speechproducts | A linear prediction speech coding device |
| SE469764B (sv) * | 1992-01-27 | 1993-09-06 | Ericsson Telefon Ab L M | Saett att koda en samplad talsignalvektor |
| FI90477C (fi) * | 1992-03-23 | 1994-02-10 | Nokia Mobile Phones Ltd | Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään |
| FI95085C (fi) * | 1992-05-11 | 1995-12-11 | Nokia Mobile Phones Ltd | Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi |
| US5353374A (en) * | 1992-10-19 | 1994-10-04 | Loral Aerospace Corporation | Low bit rate voice transmission for use in a noisy environment |
| IT1264766B1 (it) * | 1993-04-09 | 1996-10-04 | Sip | Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi. |
| FI96248C (fi) * | 1993-05-06 | 1996-05-27 | Nokia Mobile Phones Ltd | Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin |
| IT1270439B (it) * | 1993-06-10 | 1997-05-05 | Sip | Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce |
| US5659659A (en) * | 1993-07-26 | 1997-08-19 | Alaris, Inc. | Speech compressor using trellis encoding and linear prediction |
| US5673364A (en) * | 1993-12-01 | 1997-09-30 | The Dsp Group Ltd. | System and method for compression and decompression of audio signals |
| JP2906968B2 (ja) * | 1993-12-10 | 1999-06-21 | 日本電気株式会社 | マルチパルス符号化方法とその装置並びに分析器及び合成器 |
| KR960009530B1 (en) * | 1993-12-20 | 1996-07-20 | Korea Electronics Telecomm | Method for shortening processing time in pitch checking method for vocoder |
| FI98164C (fi) * | 1994-01-24 | 1997-04-25 | Nokia Mobile Phones Ltd | Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa |
| US5854998A (en) * | 1994-04-29 | 1998-12-29 | Audiocodes Ltd. | Speech processing system quantizer of single-gain pulse excitation in speech coder |
| US5568588A (en) * | 1994-04-29 | 1996-10-22 | Audiocodes Ltd. | Multi-pulse analysis speech processing System and method |
| US5602961A (en) * | 1994-05-31 | 1997-02-11 | Alaris, Inc. | Method and apparatus for speech compression using multi-mode code excited linear predictive coding |
| FR2720850B1 (fr) | 1994-06-03 | 1996-08-14 | Matra Communication | Procédé de codage de parole à prédiction linéaire. |
| JPH08123494A (ja) * | 1994-10-28 | 1996-05-17 | Mitsubishi Electric Corp | 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置 |
| FR2729244B1 (fr) * | 1995-01-06 | 1997-03-28 | Matra Communication | Procede de codage de parole a analyse par synthese |
| FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
| FR2729247A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
| SE506379C3 (sv) * | 1995-03-22 | 1998-01-19 | Ericsson Telefon Ab L M | Lpc-talkodare med kombinerad excitation |
| SE508788C2 (sv) * | 1995-04-12 | 1998-11-02 | Ericsson Telefon Ab L M | Förfarande att bestämma positionerna inom en talram för excitationspulser |
| FR2734389B1 (fr) * | 1995-05-17 | 1997-07-18 | Proust Stephane | Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme |
| JP3196595B2 (ja) * | 1995-09-27 | 2001-08-06 | 日本電気株式会社 | 音声符号化装置 |
| JP3137176B2 (ja) * | 1995-12-06 | 2001-02-19 | 日本電気株式会社 | 音声符号化装置 |
| TW317051B (de) * | 1996-02-15 | 1997-10-01 | Philips Electronics Nv | |
| US5832443A (en) * | 1997-02-25 | 1998-11-03 | Alaris, Inc. | Method and apparatus for adaptive audio compression and decompression |
| US6222890B1 (en) * | 1997-04-08 | 2001-04-24 | Vocal Technologies, Ltd. | Variable spectral shaping method for PCM modems |
| CA2254620A1 (en) * | 1998-01-13 | 1999-07-13 | Lucent Technologies Inc. | Vocoder with efficient, fault tolerant excitation vector encoding |
| JP3199020B2 (ja) * | 1998-02-27 | 2001-08-13 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
| US6643270B1 (en) | 1998-03-03 | 2003-11-04 | Vocal Technologies, Ltd | Method of compensating for systemic impairments in a telecommunications network |
| WO2000007177A1 (en) | 1998-07-28 | 2000-02-10 | Koninklijke Philips Electronics N.V. | Communication terminal |
| SE521225C2 (sv) | 1998-09-16 | 2003-10-14 | Ericsson Telefon Ab L M | Förfarande och anordning för CELP-kodning/avkodning |
| CA2252170A1 (en) | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
| JP4173940B2 (ja) * | 1999-03-05 | 2008-10-29 | 松下電器産業株式会社 | 音声符号化装置及び音声符号化方法 |
| US7272553B1 (en) | 1999-09-08 | 2007-09-18 | 8X8, Inc. | Varying pulse amplitude multi-pulse analysis speech processor and method |
| US6728669B1 (en) * | 2000-08-07 | 2004-04-27 | Lucent Technologies Inc. | Relative pulse position in celp vocoding |
| US6879955B2 (en) * | 2001-06-29 | 2005-04-12 | Microsoft Corporation | Signal modification based on continuous time warping for low bit rate CELP coding |
| US7233896B2 (en) * | 2002-07-30 | 2007-06-19 | Motorola Inc. | Regular-pulse excitation speech coder |
| WO2004090870A1 (ja) * | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | 広帯域音声を符号化または復号化するための方法及び装置 |
| DE602005003358T2 (de) * | 2004-06-08 | 2008-09-11 | Koninklijke Philips Electronics N.V. | Audiokodierung |
| US8036886B2 (en) * | 2006-12-22 | 2011-10-11 | Digital Voice Systems, Inc. | Estimation of pulsed speech model parameters |
| JP5057334B2 (ja) * | 2008-02-29 | 2012-10-24 | 日本電信電話株式会社 | 線形予測係数算出装置、線形予測係数算出方法、線形予測係数算出プログラム、および記憶媒体 |
| US20140046670A1 (en) * | 2012-06-04 | 2014-02-13 | Samsung Electronics Co., Ltd. | Audio encoding method and apparatus, audio decoding method and apparatus, and multimedia device employing the same |
| US11270714B2 (en) | 2020-01-08 | 2022-03-08 | Digital Voice Systems, Inc. | Speech coding using time-varying interpolation |
| US11990144B2 (en) | 2021-07-28 | 2024-05-21 | Digital Voice Systems, Inc. | Reducing perceived effects of non-voice data in digital speech |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038495A (en) * | 1975-11-14 | 1977-07-26 | Rockwell International Corporation | Speech analyzer/synthesizer using recursive filters |
| JPS55118099A (en) * | 1979-03-06 | 1980-09-10 | Sharp Kk | Method and device for synthesizing waveform |
| JPS5648690A (en) * | 1979-09-28 | 1981-05-01 | Hitachi Ltd | Sound synthesizer |
| JPS5821300A (ja) * | 1981-07-31 | 1983-02-08 | 株式会社日立製作所 | 音声合成装置 |
| US4472832A (en) * | 1981-12-01 | 1984-09-18 | At&T Bell Laboratories | Digital speech coder |
| CA1197619A (en) * | 1982-12-24 | 1985-12-03 | Kazunori Ozawa | Voice encoding systems |
| JPS59116793A (ja) * | 1982-12-24 | 1984-07-05 | 日本電気株式会社 | 音声符号化装置 |
| JPS59224898A (ja) * | 1983-06-03 | 1984-12-17 | 松下電器産業株式会社 | 駆動信号生成方法 |
| US4720865A (en) * | 1983-06-27 | 1988-01-19 | Nec Corporation | Multi-pulse type vocoder |
| JPH0632030B2 (ja) * | 1984-02-02 | 1994-04-27 | 日本電気株式会社 | 音声符号化方法 |
| US4724535A (en) * | 1984-04-17 | 1988-02-09 | Nec Corporation | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
| JPS62502288A (ja) * | 1985-03-22 | 1987-09-03 | アメリカン テレフオン アンド テレグラフ カムパニ− | ノイズを含む環境内の音声分析装置 |
| US4689120A (en) * | 1985-06-14 | 1987-08-25 | Phillips Petroleum Company | Apparatus for the recovery of oil from shale |
-
1985
- 1985-03-22 NL NL8500843A patent/NL8500843A/nl not_active Application Discontinuation
-
1986
- 1986-03-19 CA CA000504510A patent/CA1243121A/en not_active Expired
- 1986-03-19 EP EP86200434A patent/EP0195487B1/de not_active Expired
- 1986-03-19 DE DE8686200434T patent/DE3663863D1/de not_active Expired
- 1986-03-20 US US06/841,906 patent/US4932061A/en not_active Expired - Lifetime
- 1986-03-20 JP JP61063888A patent/JP2511871B2/ja not_active Expired - Lifetime
- 1986-03-21 AU AU54993/86A patent/AU577454B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3663863D1 (en) | 1989-07-13 |
| AU577454B2 (en) | 1988-09-22 |
| JP2511871B2 (ja) | 1996-07-03 |
| JPS61220000A (ja) | 1986-09-30 |
| AU5499386A (en) | 1986-09-25 |
| CA1243121A (en) | 1988-10-11 |
| EP0195487B1 (de) | 1989-06-07 |
| EP0195487A1 (de) | 1986-09-24 |
| US4932061A (en) | 1990-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL8500843A (nl) | Multipuls-excitatie lineair-predictieve spraakcoder. | |
| EP0422232B1 (de) | Stimmenkodierer | |
| Kroon et al. | Regular-pulse excitation--a novel approach to effective and efficient multipulse coding of speech | |
| CA2031006C (en) | Near-toll quality 4.8 kbps speech codec | |
| EP0515138B1 (de) | Digitaler Sprachkodierer | |
| Spanias | Speech coding: A tutorial review | |
| KR19980024885A (ko) | 벡터양자화 방법, 음성부호화 방법 및 장치 | |
| DE69729527T2 (de) | Verfahren und Vorrichtung zur Kodierung von Sprachsignalen | |
| CN101622662A (zh) | 编码装置和编码方法 | |
| KR19980024519A (ko) | 벡터양자화 방법, 음성부호화 방법 및 장치 | |
| US5884251A (en) | Voice coding and decoding method and device therefor | |
| AU669788B2 (en) | Method for generating a spectral noise weighting filter for use in a speech coder | |
| JP3248668B2 (ja) | ディジタルフィルタおよび音響符号化／復号化装置 | |
| Kroon et al. | Quantization procedures for the excitation in CELP coders | |
| EP0810584A2 (de) | Signalkodierer | |
| JP3616432B2 (ja) | 音声符号化装置 | |
| JP2002505450A (ja) | ハイブリッド被刺激線形予測スピーチ符号化装置及び方法 | |
| US5692101A (en) | Speech coding method and apparatus using mean squared error modifier for selected speech coder parameters using VSELP techniques | |
| US5235670A (en) | Multiple impulse excitation speech encoder and decoder | |
| EP0871158B1 (de) | Vorrichtung zur Sprachcodierung unter Verwendung eines Mehrimpulsanregungssignals | |
| US6098037A (en) | Formant weighted vector quantization of LPC excitation harmonic spectral amplitudes | |
| US5884252A (en) | Method of and apparatus for coding speech signal | |
| US5822722A (en) | Wide-band signal encoder | |
| US4873724A (en) | Multi-pulse encoder including an inverse filter | |
| US6041298A (en) | Method for synthesizing a frame of a speech signal with a computed stochastic excitation part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| BV | The patent application has lapsed |