BRPI1012323A2 - método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso - Google Patents
método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulsoInfo
- Publication number
- BRPI1012323A2 BRPI1012323A2 BRPI1012323A BRPI1012323A BRPI1012323A2 BR PI1012323 A2 BRPI1012323 A2 BR PI1012323A2 BR PI1012323 A BRPI1012323 A BR PI1012323A BR PI1012323 A BRPI1012323 A BR PI1012323A BR PI1012323 A2 BRPI1012323 A2 BR PI1012323A2
- Authority
- BR
- Brazil
- Prior art keywords
- pulse
- decoding method
- coding method
- pulse coding
- pulse decoding
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
- G10L19/113—Regular pulse excitation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4031—Fixed length to variable length coding
- H03M7/4037—Prefix coding
- H03M7/4043—Adaptive prefix coding
- H03M7/4068—Parameterized codes
-
- 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
-
- 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
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0016—Codebook for LPC parameters
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101506378A CN101931414B (zh) | 2009-06-19 | 2009-06-19 | 脉冲编码方法及装置、脉冲解码方法及装置 |
PCT/CN2010/073651 WO2010145474A1 (zh) | 2009-06-19 | 2010-06-08 | 脉冲编码方法及装置、脉冲解码方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI1012323A2 true BRPI1012323A2 (pt) | 2016-03-15 |
BRPI1012323B1 BRPI1012323B1 (pt) | 2020-06-09 |
Family
ID=43355837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI1012323A BRPI1012323B1 (pt) | 2009-06-19 | 2010-06-08 | método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso |
Country Status (9)
Country | Link |
---|---|
US (3) | US8723700B2 (pt) |
EP (1) | EP2434649A4 (pt) |
JP (1) | JP5547282B2 (pt) |
KR (4) | KR101572138B1 (pt) |
CN (1) | CN101931414B (pt) |
AU (1) | AU2010262391B2 (pt) |
BR (1) | BRPI1012323B1 (pt) |
SG (2) | SG10201403355PA (pt) |
WO (1) | WO2010145474A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2827327B1 (en) | 2007-04-29 | 2020-07-29 | Huawei Technologies Co., Ltd. | Method for Excitation Pulse Coding |
CN101931414B (zh) | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
CN102299760B (zh) | 2010-06-24 | 2014-03-12 | 华为技术有限公司 | 脉冲编解码方法及脉冲编解码器 |
CN102623012B (zh) * | 2011-01-26 | 2014-08-20 | 华为技术有限公司 | 矢量联合编解码方法及编解码器 |
US10707988B2 (en) * | 2017-09-11 | 2020-07-07 | Mediatek Singapore Pte. Ltd | Transport block size determination in mobile communications |
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US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
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 |
US5627533A (en) * | 1994-08-05 | 1997-05-06 | Hayes Microcomputer Products, Inc. | Adjusting encoding table size and memory allocation for data compression in response to input data |
JP3350385B2 (ja) * | 1997-01-24 | 2002-11-25 | 京セラ株式会社 | 符号生成方法および符号化方法 |
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US6236960B1 (en) * | 1999-08-06 | 2001-05-22 | Motorola, Inc. | Factorial packing method and apparatus for information coding |
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US6967993B1 (en) * | 2000-05-26 | 2005-11-22 | Freescale Semiconductor, Inc. | Ultrawide bandwidth system and method for fast synchronization using sub-code spins |
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KR100463418B1 (ko) * | 2002-11-11 | 2004-12-23 | 한국전자통신연구원 | Celp 음성 부호화기에서 사용되는 가변적인 고정코드북 검색방법 및 장치 |
KR100556831B1 (ko) * | 2003-03-25 | 2006-03-10 | 한국전자통신연구원 | 전역 펄스 교체를 통한 고정 코드북 검색 방법 |
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EP2827327B1 (en) * | 2007-04-29 | 2020-07-29 | Huawei Technologies Co., Ltd. | Method for Excitation Pulse Coding |
CN101388210B (zh) * | 2007-09-15 | 2012-03-07 | 华为技术有限公司 | 编解码方法及编解码器 |
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US8527265B2 (en) * | 2007-10-22 | 2013-09-03 | Qualcomm Incorporated | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs |
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CN100578620C (zh) * | 2007-11-12 | 2010-01-06 | 华为技术有限公司 | 固定码书搜索方法及搜索器 |
AU2007249117B2 (en) * | 2007-12-19 | 2010-11-18 | Canon Kabushiki Kaisha | Variable-length encoding for image data compression |
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US8301440B2 (en) * | 2008-05-09 | 2012-10-30 | Broadcom Corporation | Bit error concealment for audio coding systems |
CN101931414B (zh) | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
CN103098128B (zh) * | 2011-06-15 | 2014-06-18 | 松下电器产业株式会社 | 脉冲位置搜索装置、码本搜索装置及其方法 |
-
2009
- 2009-06-19 CN CN2009101506378A patent/CN101931414B/zh active Active
-
2010
- 2010-06-08 KR KR1020147002047A patent/KR101572138B1/ko active IP Right Grant
- 2010-06-08 KR KR1020137006525A patent/KR101472406B1/ko active IP Right Grant
- 2010-06-08 KR KR1020147020219A patent/KR101621331B1/ko active IP Right Grant
- 2010-06-08 JP JP2012515337A patent/JP5547282B2/ja active Active
- 2010-06-08 EP EP10788870A patent/EP2434649A4/en not_active Withdrawn
- 2010-06-08 SG SG10201403355PA patent/SG10201403355PA/en unknown
- 2010-06-08 KR KR1020117031700A patent/KR101290627B1/ko active IP Right Grant
- 2010-06-08 AU AU2010262391A patent/AU2010262391B2/en active Active
- 2010-06-08 SG SG2011093135A patent/SG176878A1/en unknown
- 2010-06-08 BR BRPI1012323A patent/BRPI1012323B1/pt active IP Right Grant
- 2010-06-08 WO PCT/CN2010/073651 patent/WO2010145474A1/zh active Application Filing
-
2011
- 2011-12-14 US US13/325,993 patent/US8723700B2/en active Active
-
2014
- 2014-04-14 US US14/252,382 patent/US9349381B2/en active Active
-
2016
- 2016-05-11 US US15/151,508 patent/US10026412B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160329059A1 (en) | 2016-11-10 |
CN101931414B (zh) | 2013-04-24 |
JP2012530266A (ja) | 2012-11-29 |
SG10201403355PA (en) | 2014-10-30 |
AU2010262391A1 (en) | 2012-01-19 |
KR20140102317A (ko) | 2014-08-21 |
CN101931414A (zh) | 2010-12-29 |
BRPI1012323B1 (pt) | 2020-06-09 |
KR20130044361A (ko) | 2013-05-02 |
KR101621331B1 (ko) | 2016-05-16 |
US20120086586A1 (en) | 2012-04-12 |
KR101290627B1 (ko) | 2013-07-29 |
JP5547282B2 (ja) | 2014-07-09 |
US9349381B2 (en) | 2016-05-24 |
KR101472406B1 (ko) | 2014-12-12 |
US20140229169A1 (en) | 2014-08-14 |
AU2010262391B2 (en) | 2014-09-04 |
US8723700B2 (en) | 2014-05-13 |
KR20120032494A (ko) | 2012-04-05 |
US10026412B2 (en) | 2018-07-17 |
SG176878A1 (en) | 2012-01-30 |
WO2010145474A1 (zh) | 2010-12-23 |
KR101572138B1 (ko) | 2015-11-26 |
EP2434649A1 (en) | 2012-03-28 |
KR20140017705A (ko) | 2014-02-11 |
EP2434649A4 (en) | 2012-07-18 |
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Legal Events
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 09/06/2020, OBSERVADAS AS CONDICOES LEGAIS. |