KR100568889B1 - 개선된 스피치 인코더 및 디코더를 갖는 송신기 - Google Patents
개선된 스피치 인코더 및 디코더를 갖는 송신기 Download PDFInfo
- Publication number
- KR100568889B1 KR100568889B1 KR1019997002061A KR19997002061A KR100568889B1 KR 100568889 B1 KR100568889 B1 KR 100568889B1 KR 1019997002061 A KR1019997002061 A KR 1019997002061A KR 19997002061 A KR19997002061 A KR 19997002061A KR 100568889 B1 KR100568889 B1 KR 100568889B1
- Authority
- KR
- South Korea
- Prior art keywords
- speech
- analysis
- coefficients
- analysis coefficients
- voiced
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
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
- G10L13/00—Speech synthesis; Text to speech systems
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97202166.1 | 1997-07-11 | ||
| EP97202166 | 1997-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010029498A KR20010029498A (ko) | 2001-04-06 |
| KR100568889B1 true KR100568889B1 (ko) | 2006-04-10 |
Family
ID=8228544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019997002061A Expired - Fee Related KR100568889B1 (ko) | 1997-07-11 | 1998-06-11 | 개선된 스피치 인코더 및 디코더를 갖는 송신기 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6128591A (https=) |
| EP (1) | EP0925580B1 (https=) |
| JP (1) | JP2001500285A (https=) |
| KR (1) | KR100568889B1 (https=) |
| CN (1) | CN1145925C (https=) |
| DE (1) | DE69819460T2 (https=) |
| WO (1) | WO1999003097A2 (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE420432T1 (de) * | 2000-04-24 | 2009-01-15 | Qualcomm Inc | Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen |
| DE60230856D1 (de) * | 2001-07-13 | 2009-03-05 | Panasonic Corp | Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung |
| US6958196B2 (en) * | 2003-02-21 | 2005-10-25 | Trustees Of The University Of Pennsylvania | Porous electrode, solid oxide fuel cell, and method of producing the same |
| RU2414009C2 (ru) * | 2006-01-18 | 2011-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Устройство и способ для кодирования и декодирования сигнала |
| KR20080101872A (ko) * | 2006-01-18 | 2008-11-21 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
| CN101371295B (zh) * | 2006-01-18 | 2011-12-21 | Lg电子株式会社 | 用于编码和解码信号的设备和方法 |
| JPWO2008007616A1 (ja) * | 2006-07-13 | 2009-12-10 | 日本電気株式会社 | 無音声発声の入力警告装置と方法並びにプログラム |
| RU2426179C2 (ru) * | 2006-10-10 | 2011-08-10 | Квэлкомм Инкорпорейтед | Способ и устройство для кодирования и декодирования аудиосигналов |
| CN101261836B (zh) * | 2008-04-25 | 2011-03-30 | 清华大学 | 基于过渡帧判决及处理的激励信号自然度提高方法 |
| US8670990B2 (en) * | 2009-08-03 | 2014-03-11 | Broadcom Corporation | Dynamic time scale modification for reduced bit rate audio coding |
| EP2638541A1 (en) * | 2010-11-10 | 2013-09-18 | Koninklijke Philips Electronics N.V. | Method and device for estimating a pattern in a signal |
| GB2495918B (en) * | 2011-10-24 | 2015-11-04 | Malcolm Law | Lossless buried data |
| US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
| US9542358B1 (en) * | 2013-08-16 | 2017-01-10 | Keysight Technologies, Inc. | Overlapped fast fourier transform based measurements using flat-in-time windowing |
| CN108461088B (zh) * | 2018-03-21 | 2019-11-19 | 山东省计算中心(国家超级计算济南中心) | 基于支持向量机在语音解码端重构子带清浊音度参数的方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797926A (en) * | 1986-09-11 | 1989-01-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech vocoder |
| US4771465A (en) * | 1986-09-11 | 1988-09-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech sinusoidal vocoder with transmission of only subset of harmonics |
| US4910781A (en) * | 1987-06-26 | 1990-03-20 | At&T Bell Laboratories | Code excited linear predictive vocoder using virtual searching |
| JP2707564B2 (ja) * | 1987-12-14 | 1998-01-28 | 株式会社日立製作所 | 音声符号化方式 |
| IT1229725B (it) * | 1989-05-15 | 1991-09-07 | Face Standard Ind | Metodo e disposizione strutturale per la differenziazione tra elementi sonori e sordi del parlato |
| US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
| US5884253A (en) * | 1992-04-09 | 1999-03-16 | Lucent Technologies, Inc. | Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter |
| US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
| KR100329876B1 (ko) * | 1994-03-11 | 2002-08-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 의사주기신호용전송시스템 |
| 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 |
| US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| JP2861889B2 (ja) * | 1995-10-18 | 1999-02-24 | 日本電気株式会社 | 音声パケット伝送システム |
| JP3680380B2 (ja) * | 1995-10-26 | 2005-08-10 | ソニー株式会社 | 音声符号化方法及び装置 |
| JP4005154B2 (ja) * | 1995-10-26 | 2007-11-07 | ソニー株式会社 | 音声復号化方法及び装置 |
| US5696873A (en) * | 1996-03-18 | 1997-12-09 | Advanced Micro Devices, Inc. | Vocoder system and method for performing pitch estimation using an adaptive correlation sample window |
| US5774836A (en) * | 1996-04-01 | 1998-06-30 | Advanced Micro Devices, Inc. | System and method for performing pitch estimation and error checking on low estimated pitch values in a correlation based pitch estimator |
-
1998
- 1998-06-11 CN CNB988009676A patent/CN1145925C/zh not_active Expired - Fee Related
- 1998-06-11 EP EP98923009A patent/EP0925580B1/en not_active Expired - Lifetime
- 1998-06-11 WO PCT/IB1998/000923 patent/WO1999003097A2/en not_active Ceased
- 1998-06-11 KR KR1019997002061A patent/KR100568889B1/ko not_active Expired - Fee Related
- 1998-06-11 DE DE69819460T patent/DE69819460T2/de not_active Expired - Fee Related
- 1998-06-11 JP JP11508356A patent/JP2001500285A/ja not_active Ceased
- 1998-07-13 US US09/114,746 patent/US6128591A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0925580B1 (en) | 2003-11-05 |
| EP0925580A2 (en) | 1999-06-30 |
| CN1234898A (zh) | 1999-11-10 |
| CN1145925C (zh) | 2004-04-14 |
| DE69819460D1 (de) | 2003-12-11 |
| US6128591A (en) | 2000-10-03 |
| WO1999003097A2 (en) | 1999-01-21 |
| JP2001500285A (ja) | 2001-01-09 |
| DE69819460T2 (de) | 2004-08-26 |
| KR20010029498A (ko) | 2001-04-06 |
| WO1999003097A3 (en) | 1999-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100568889B1 (ko) | 개선된 스피치 인코더 및 디코더를 갖는 송신기 | |
| CA2124643C (en) | Method and device for speech signal pitch period estimation and classification in digital speech coders | |
| JP5412463B2 (ja) | 音声信号内の雑音様信号の存在に基づく音声パラメータの平滑化 | |
| US9747915B2 (en) | Adaptive codebook gain control for speech coding | |
| US6330533B2 (en) | Speech encoder adaptively applying pitch preprocessing with warping of target signal | |
| EP1454315B1 (en) | Signal modification method for efficient coding of speech signals | |
| EP1194924B3 (en) | Adaptive tilt compensation for synthesized speech residual | |
| US20030009325A1 (en) | Method for signal controlled switching between different audio coding schemes | |
| CN1295677C (zh) | 用于估算语音调制解调器中的模拟高频段信号的方法和系统 | |
| US20040049380A1 (en) | Audio decoder and audio decoding method | |
| EP0837453A2 (en) | Speech analysis method and speech encoding method and apparatus | |
| KR100578265B1 (ko) | 개선된 고조파 스피치 인코더를 갖는 송신기 | |
| McCree et al. | A 1.7 kb/s MELP coder with improved analysis and quantization | |
| JP3232701B2 (ja) | 音声符号化方法 | |
| Yeldner et al. | A mixed harmonic excitation linear predictive speech coding for low bit rate applications | |
| Jamrozik et al. | Enhanced quality modified multiband excitation model at 2400 bps | |
| JPH06195098A (ja) | 音声符号化方法 | |
| JPH09146598A (ja) | 音声符号化における雑音抑圧方法 | |
| HK1151122A (en) | Speech encoding method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
St.27 status event code: A-0-1-A10-A15-nap-PA0105 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U12-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20090404 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20090404 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18 | Changes to party contact information recorded |
Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |