IT1184023B - Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica - Google Patents
Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codificaInfo
- Publication number
- IT1184023B IT1184023B IT68060/85A IT6806085A IT1184023B IT 1184023 B IT1184023 B IT 1184023B IT 68060/85 A IT68060/85 A IT 68060/85A IT 6806085 A IT6806085 A IT 6806085A IT 1184023 B IT1184023 B IT 1184023B
- Authority
- IT
- Italy
- Prior art keywords
- coding
- vectorary
- quantization
- decoding
- sub
- Prior art date
Links
- 238000004458 analytical method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
-
- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68060/85A IT1184023B (it) | 1985-12-17 | 1985-12-17 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica |
US06/934,302 US4811398A (en) | 1985-12-17 | 1986-11-24 | Method of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocation |
JP61296855A JPS62147500A (ja) | 1985-12-17 | 1986-12-15 | サブバンド分析およびダイナミツク・ビツト割当てによるベクトル量子化を用いた音声信号の符号化および復号化のための方法および装置 |
CA000525347A CA1293569C (en) | 1985-12-17 | 1986-12-15 | Method of and device for speech signal coding and decoding by subbband analysis and vector quantization with dynamic bit allocation |
EP86117488A EP0230001B1 (en) | 1985-12-17 | 1986-12-16 | Method of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocation |
DE8686117488T DE3673978D1 (de) | 1985-12-17 | 1986-12-16 | Verfahren und einrichtung zur sprachcodierung und decodierung bei einer teilbandanalyse und vektorquantisierung mit dynamischer bitverteilung. |
DE198686117488T DE230001T1 (de) | 1985-12-17 | 1986-12-16 | Verfahren und einrichtung zur sprachcodierung und decodierung bei einer teilbandanalyse und vektorquantisierung mit dynamischer bitverteilung. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68060/85A IT1184023B (it) | 1985-12-17 | 1985-12-17 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8568060A0 IT8568060A0 (it) | 1985-12-17 |
IT1184023B true IT1184023B (it) | 1987-10-22 |
Family
ID=11307553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68060/85A IT1184023B (it) | 1985-12-17 | 1985-12-17 | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica |
Country Status (6)
Country | Link |
---|---|
US (1) | US4811398A (it) |
EP (1) | EP0230001B1 (it) |
JP (1) | JPS62147500A (it) |
CA (1) | CA1293569C (it) |
DE (2) | DE230001T1 (it) |
IT (1) | IT1184023B (it) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2210236B (en) * | 1987-09-24 | 1991-12-18 | Newbridge Networks Corp | Speech processing system |
US5742735A (en) * | 1987-10-06 | 1998-04-21 | Fraunhofer Gesellschaft Zur Forderung Der Angewanten Forschung E.V. | Digital adaptive transformation coding method |
DE3883701T2 (de) * | 1987-10-30 | 1994-02-10 | Nippon Telegraph & Telephone | Verfahren und Vorrichtung für multiplexierte Vektorquantifizierung. |
DE3851887T2 (de) * | 1988-07-18 | 1995-04-20 | Ibm | Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate. |
US5384891A (en) * | 1988-09-28 | 1995-01-24 | Hitachi, Ltd. | Vector quantizing apparatus and speech analysis-synthesis system using the apparatus |
US5077798A (en) * | 1988-09-28 | 1991-12-31 | Hitachi, Ltd. | Method and system for voice coding based on vector quantization |
US4956871A (en) * | 1988-09-30 | 1990-09-11 | At&T Bell Laboratories | Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands |
US5230038A (en) * | 1989-01-27 | 1993-07-20 | Fielder Louis D | Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio |
US5054075A (en) * | 1989-09-05 | 1991-10-01 | Motorola, Inc. | Subband decoding method and apparatus |
JPH03117919A (ja) * | 1989-09-30 | 1991-05-20 | Sony Corp | ディジタル信号符号化装置 |
US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
CA2010830C (en) * | 1990-02-23 | 1996-06-25 | Jean-Pierre Adoul | Dynamic codebook for efficient speech coding based on algebraic codes |
US5754976A (en) * | 1990-02-23 | 1998-05-19 | Universite De Sherbrooke | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech |
US5367608A (en) * | 1990-05-14 | 1994-11-22 | U.S. Philips Corporation | Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal |
JP2598159B2 (ja) * | 1990-08-28 | 1997-04-09 | 三菱電機株式会社 | 音声信号処理装置 |
US5365553A (en) * | 1990-11-30 | 1994-11-15 | U.S. Philips Corporation | Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal |
WO1992021101A1 (en) * | 1991-05-17 | 1992-11-26 | The Analytic Sciences Corporation | Continuous-tone image compression |
CA2088082C (en) * | 1992-02-07 | 1999-01-19 | John Hartung | Dynamic bit allocation for three-dimensional subband video coding |
US5765127A (en) * | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
JP3186290B2 (ja) * | 1993-01-20 | 2001-07-11 | ソニー株式会社 | 符号化方法、符号化装置、復号化装置及び記録媒体 |
IT1271959B (it) * | 1993-03-03 | 1997-06-10 | Alcatel Italia | Codec per il parlato a predizione lineare eccitato da un libro di codici |
US5526464A (en) * | 1993-04-29 | 1996-06-11 | Northern Telecom Limited | Reducing search complexity for code-excited linear prediction (CELP) coding |
BE1007617A3 (nl) * | 1993-10-11 | 1995-08-22 | Philips Electronics Nv | Transmissiesysteem met gebruik van verschillende codeerprincipes. |
US5684920A (en) * | 1994-03-17 | 1997-11-04 | Nippon Telegraph And Telephone | Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein |
US5651090A (en) * | 1994-05-06 | 1997-07-22 | Nippon Telegraph And Telephone Corporation | Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor |
US5680506A (en) * | 1994-12-29 | 1997-10-21 | Lucent Technologies Inc. | Apparatus and method for speech signal analysis |
US5664053A (en) * | 1995-04-03 | 1997-09-02 | Universite De Sherbrooke | Predictive split-matrix quantization of spectral parameters for efficient coding of speech |
JPH09127995A (ja) * | 1995-10-26 | 1997-05-16 | Sony Corp | 信号復号化方法及び信号復号化装置 |
KR970023245A (ko) * | 1995-10-09 | 1997-05-30 | 이데이 노부유끼 | 음성복호화방법 및 장치 |
US6037985A (en) * | 1996-10-31 | 2000-03-14 | Texas Instruments Incorporated | Video compression |
JP3847349B2 (ja) * | 1997-02-03 | 2006-11-22 | シャープ株式会社 | デジタル画像の埋め込み符号器、レート―歪み最適化方法、復号器及び復号方法 |
US5974181A (en) * | 1997-03-20 | 1999-10-26 | Motorola, Inc. | Data compression system, method, and apparatus |
FR2766032B1 (fr) * | 1997-07-10 | 1999-09-17 | Matra Communication | Codeur audio |
US6006179A (en) * | 1997-10-28 | 1999-12-21 | America Online, Inc. | Audio codec using adaptive sparse vector quantization with subband vector classification |
JP4242516B2 (ja) * | 1999-07-26 | 2009-03-25 | パナソニック株式会社 | サブバンド符号化方式 |
SE514875C2 (sv) * | 1999-09-07 | 2001-05-07 | Ericsson Telefon Ab L M | Förfarande och anordning för konstruktion av digitala filter |
EP1199711A1 (en) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Encoding of audio signal using bandwidth expansion |
US7016502B2 (en) | 2000-12-22 | 2006-03-21 | Sony Corporation | Encoder and decoder |
AU2003264322A1 (en) * | 2003-09-17 | 2005-04-06 | Beijing E-World Technology Co., Ltd. | Method and device of multi-resolution vector quantilization for audio encoding and decoding |
JP4823001B2 (ja) * | 2006-09-27 | 2011-11-24 | 富士通セミコンダクター株式会社 | オーディオ符号化装置 |
US9244984B2 (en) | 2011-03-31 | 2016-01-26 | Microsoft Technology Licensing, Llc | Location based conversational understanding |
US9298287B2 (en) | 2011-03-31 | 2016-03-29 | Microsoft Technology Licensing, Llc | Combined activation for natural user interface systems |
US9858343B2 (en) | 2011-03-31 | 2018-01-02 | Microsoft Technology Licensing Llc | Personalization of queries, conversations, and searches |
US9842168B2 (en) | 2011-03-31 | 2017-12-12 | Microsoft Technology Licensing, Llc | Task driven user intents |
US10642934B2 (en) | 2011-03-31 | 2020-05-05 | Microsoft Technology Licensing, Llc | Augmented conversational understanding architecture |
US9760566B2 (en) | 2011-03-31 | 2017-09-12 | Microsoft Technology Licensing, Llc | Augmented conversational understanding agent to identify conversation context between two humans and taking an agent action thereof |
US9064006B2 (en) | 2012-08-23 | 2015-06-23 | Microsoft Technology Licensing, Llc | Translating natural language utterances to keyword search queries |
US9454962B2 (en) * | 2011-05-12 | 2016-09-27 | Microsoft Technology Licensing, Llc | Sentence simplification for spoken language understanding |
RU2526890C1 (ru) * | 2013-02-01 | 2014-08-27 | Александр Александрович Ваниев | Устройство селекции подвижных целей |
ES2726193T3 (es) * | 2014-08-28 | 2019-10-02 | Nokia Technologies Oy | Cuantificación de parámetros de audio |
RU2607851C1 (ru) * | 2015-08-04 | 2017-01-20 | Открытое акционерное общество "Научно-производственный испытательный центр "АРМИНТ" | Устройство селекции подвижных целей |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595916B2 (ja) * | 1975-02-13 | 1984-02-07 | 日本電気株式会社 | 音声分折合成装置 |
FR2445660A1 (fr) * | 1978-12-28 | 1980-07-25 | Pissard Andre | Procede et circuit de transmission de type mic differentiel a prediction adaptive, utilisant un filtrage par sous-bandes et une analyse spectrale |
JPS5912498A (ja) * | 1982-07-13 | 1984-01-23 | 日本電気株式会社 | 帯域分割型ボコ−ダ |
CA1197619A (en) * | 1982-12-24 | 1985-12-03 | Kazunori Ozawa | Voice encoding systems |
US4672670A (en) * | 1983-07-26 | 1987-06-09 | Advanced Micro Devices, Inc. | Apparatus and methods for coding, decoding, analyzing and synthesizing a signal |
US4724535A (en) * | 1984-04-17 | 1988-02-09 | Nec Corporation | Low bit-rate pattern coding with recursive orthogonal decision of parameters |
US4680797A (en) * | 1984-06-26 | 1987-07-14 | The United States Of America As Represented By The Secretary Of The Air Force | Secure digital speech communication |
-
1985
- 1985-12-17 IT IT68060/85A patent/IT1184023B/it active
-
1986
- 1986-11-24 US US06/934,302 patent/US4811398A/en not_active Expired - Fee Related
- 1986-12-15 CA CA000525347A patent/CA1293569C/en not_active Expired - Lifetime
- 1986-12-15 JP JP61296855A patent/JPS62147500A/ja active Pending
- 1986-12-16 EP EP86117488A patent/EP0230001B1/en not_active Expired
- 1986-12-16 DE DE198686117488T patent/DE230001T1/de active Pending
- 1986-12-16 DE DE8686117488T patent/DE3673978D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3673978D1 (de) | 1990-10-11 |
CA1293569C (en) | 1991-12-24 |
JPS62147500A (ja) | 1987-07-01 |
IT8568060A0 (it) | 1985-12-17 |
DE230001T1 (de) | 1987-11-26 |
EP0230001B1 (en) | 1990-09-05 |
US4811398A (en) | 1989-03-07 |
EP0230001A1 (en) | 1987-07-29 |
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