BR9703903A - Processo e aparelho para codificação de voz - Google Patents
Processo e aparelho para codificação de vozInfo
- Publication number
- BR9703903A BR9703903A BR9703903A BR9703903A BR9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A
- Authority
- BR
- Brazil
- Prior art keywords
- encoding process
- voice encoding
- voice
- encoding
- Prior art date
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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8179178A JPH1020891A (ja) | 1996-07-09 | 1996-07-09 | 音声符号化方法及び装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9703903A true BR9703903A (pt) | 1998-11-03 |
Family
ID=16061307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9703903A BR9703903A (pt) | 1996-07-09 | 1997-07-09 | Processo e aparelho para codificação de voz |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6003001A (pt) |
| JP (1) | JPH1020891A (pt) |
| BR (1) | BR9703903A (pt) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3708597A (en) | 1996-08-02 | 1998-02-25 | Matsushita Electric Industrial Co., Ltd. | Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus |
| JP3707153B2 (ja) * | 1996-09-24 | 2005-10-19 | ソニー株式会社 | ベクトル量子化方法、音声符号化方法及び装置 |
| JP4132154B2 (ja) * | 1997-10-23 | 2008-08-13 | ソニー株式会社 | 音声合成方法及び装置、並びに帯域幅拡張方法及び装置 |
| EP2154680B1 (en) * | 1997-12-24 | 2017-06-28 | BlackBerry Limited | Method and apparatus for speech coding |
| US6249758B1 (en) * | 1998-06-30 | 2001-06-19 | Nortel Networks Limited | Apparatus and method for coding speech signals by making use of voice/unvoiced characteristics of the speech signals |
| US7072832B1 (en) | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| SE521225C2 (sv) * | 1998-09-16 | 2003-10-14 | Ericsson Telefon Ab L M | Förfarande och anordning för CELP-kodning/avkodning |
| JP4550176B2 (ja) * | 1998-10-08 | 2010-09-22 | 株式会社東芝 | 音声符号化方法 |
| EP1039442B1 (en) * | 1999-03-25 | 2006-03-01 | Yamaha Corporation | Method and apparatus for compressing and generating waveform |
| US6983242B1 (en) * | 2000-08-21 | 2006-01-03 | Mindspeed Technologies, Inc. | Method for robust classification in speech coding |
| US6678651B2 (en) * | 2000-09-15 | 2004-01-13 | Mindspeed Technologies, Inc. | Short-term enhancement in CELP speech coding |
| EP1323016A4 (en) * | 2000-10-02 | 2006-09-27 | Internat Projects Consultancy | AUTOMATED SYSTEM AND METHOD FOR LOAN PROCESSING |
| KR100744352B1 (ko) | 2005-08-01 | 2007-07-30 | 삼성전자주식회사 | 음성 신호의 하모닉 성분을 이용한 유/무성음 분리 정보를추출하는 방법 및 그 장치 |
| US8712766B2 (en) * | 2006-05-16 | 2014-04-29 | Motorola Mobility Llc | Method and system for coding an information signal using closed loop adaptive bit allocation |
| WO2009023807A1 (en) * | 2007-08-15 | 2009-02-19 | Massachusetts Institute Of Technology | Speech processing apparatus and method employing feedback |
| KR101441896B1 (ko) * | 2008-01-29 | 2014-09-23 | 삼성전자주식회사 | 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치 |
| US9325544B2 (en) * | 2012-10-31 | 2016-04-26 | Csr Technology Inc. | Packet-loss concealment for a degraded frame using replacement data from a non-degraded frame |
| JP6366705B2 (ja) * | 2013-10-18 | 2018-08-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 確定的及びノイズ状情報を用いてオーディオ信号を符号化／復号化する概念 |
| RU2646357C2 (ru) * | 2013-10-18 | 2018-03-02 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием информации формирования речевого спектра |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
-
1996
- 1996-07-09 JP JP8179178A patent/JPH1020891A/ja not_active Withdrawn
-
1997
- 1997-06-25 US US08/882,156 patent/US6003001A/en not_active Expired - Fee Related
- 1997-07-09 BR BR9703903A patent/BR9703903A/pt active Search and Examination
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1020891A (ja) | 1998-01-23 |
| MX9704987A (es) | 1998-06-30 |
| US6003001A (en) | 1999-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
| B11T | Dismissal of application maintained [chapter 11.20 patent gazette] |