BRPI0915450A2 - dispositivo e método para quantizar e quantizar inverso filtros de lpc em um superquadro - Google Patents
dispositivo e método para quantizar e quantizar inverso filtros de lpc em um superquadroInfo
- Publication number
- BRPI0915450A2 BRPI0915450A2 BRPI0915450A BRPI0915450A BRPI0915450A2 BR PI0915450 A2 BRPI0915450 A2 BR PI0915450A2 BR PI0915450 A BRPI0915450 A BR PI0915450A BR PI0915450 A BRPI0915450 A BR PI0915450A BR PI0915450 A2 BRPI0915450 A2 BR PI0915450A2
- Authority
- BR
- Brazil
- Prior art keywords
- quantizing
- superframe
- lpc filters
- inverse lpc
- inverse
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
- H03M7/3082—Vector coding
-
- 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)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12966908P | 2008-07-10 | 2008-07-10 | |
US61/129,669 | 2008-07-10 | ||
US20207509P | 2009-01-27 | 2009-01-27 | |
US61/202,075 | 2009-01-27 | ||
PCT/CA2009/000979 WO2010003252A1 (en) | 2008-07-10 | 2009-07-10 | Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0915450A2 true BRPI0915450A2 (pt) | 2017-06-27 |
BRPI0915450B1 BRPI0915450B1 (pt) | 2020-03-10 |
Family
ID=41506638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0915450-7A BRPI0915450B1 (pt) | 2008-07-10 | 2009-07-10 | Dispositivo e método para quantizar e quantizar inversamente filtros de lpc em um superquadro |
Country Status (17)
Country | Link |
---|---|
US (4) | US9245532B2 (pt) |
EP (3) | EP2301021B1 (pt) |
JP (2) | JP5710476B2 (pt) |
KR (2) | KR101592968B1 (pt) |
CN (2) | CN102119414B (pt) |
BR (1) | BRPI0915450B1 (pt) |
CA (5) | CA2729752C (pt) |
CY (3) | CY1119501T1 (pt) |
DK (3) | DK2313887T3 (pt) |
ES (3) | ES2639747T3 (pt) |
HK (2) | HK1153840A1 (pt) |
MX (1) | MX2011000363A (pt) |
NO (1) | NO2313887T3 (pt) |
PL (1) | PL2313887T3 (pt) |
PT (3) | PT2301021T (pt) |
RU (2) | RU2011104813A (pt) |
WO (3) | WO2010003252A1 (pt) |
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US20110158189A1 (en) * | 2009-12-29 | 2011-06-30 | Industrial Technology Research Institute | Methods and Apparatus for Multi-Transmitter Collaborative Communications Systems |
KR101660843B1 (ko) * | 2010-05-27 | 2016-09-29 | 삼성전자주식회사 | Lpc 계수 양자화를 위한 가중치 함수 결정 장치 및 방법 |
US9275650B2 (en) * | 2010-06-14 | 2016-03-01 | Panasonic Corporation | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs |
KR101696632B1 (ko) * | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
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TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
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2009
- 2009-07-10 MX MX2011000363A patent/MX2011000363A/es active IP Right Grant
- 2009-07-10 US US12/501,201 patent/US9245532B2/en not_active Ceased
- 2009-07-10 WO PCT/CA2009/000979 patent/WO2010003252A1/en active Application Filing
- 2009-07-10 CN CN2009801267394A patent/CN102119414B/zh active Active
- 2009-07-10 KR KR1020117002983A patent/KR101592968B1/ko active IP Right Grant
- 2009-07-10 JP JP2011516937A patent/JP5710476B2/ja active Active
- 2009-07-10 PT PT97937684T patent/PT2301021T/pt unknown
- 2009-07-10 ES ES09793768.4T patent/ES2639747T3/es active Active
- 2009-07-10 EP EP09793768.4A patent/EP2301021B1/en active Active
- 2009-07-10 DK DK09793769.2T patent/DK2313887T3/da active
- 2009-07-10 CA CA2729752A patent/CA2729752C/en active Active
- 2009-07-10 ES ES09793770.0T patent/ES2650492T3/es active Active
- 2009-07-10 KR KR1020117002977A patent/KR101604774B1/ko active IP Right Grant
- 2009-07-10 PT PT97937692T patent/PT2313887T/pt unknown
- 2009-07-10 CA CA2972808A patent/CA2972808C/en active Active
- 2009-07-10 DK DK09793770.0T patent/DK2301022T3/en active
- 2009-07-10 CN CN2009801267267A patent/CN102089810B/zh active Active
- 2009-07-10 EP EP09793770.0A patent/EP2301022B1/en active Active
- 2009-07-10 WO PCT/CA2009/000980 patent/WO2010003253A1/en active Application Filing
- 2009-07-10 PT PT97937700T patent/PT2301022T/pt unknown
- 2009-07-10 NO NO09793769A patent/NO2313887T3/no unknown
- 2009-07-10 US US12/501,197 patent/US8712764B2/en active Active
- 2009-07-10 JP JP2011516938A patent/JP2011527442A/ja active Pending
- 2009-07-10 US US12/501,188 patent/US8332213B2/en active Active
- 2009-07-10 DK DK09793768.4T patent/DK2301021T3/en active
- 2009-07-10 BR BRPI0915450-7A patent/BRPI0915450B1/pt active IP Right Grant
- 2009-07-10 CA CA2972812A patent/CA2972812C/en active Active
- 2009-07-10 PL PL09793769T patent/PL2313887T3/pl unknown
- 2009-07-10 WO PCT/CA2009/000981 patent/WO2010003254A1/en active Application Filing
- 2009-07-10 CA CA2729751A patent/CA2729751C/en active Active
- 2009-07-10 EP EP09793769.2A patent/EP2313887B1/en active Active
- 2009-07-10 CA CA2729665A patent/CA2729665C/en active Active
- 2009-07-10 RU RU2011104813/08A patent/RU2011104813A/ru unknown
- 2009-07-10 RU RU2011104784/08A patent/RU2509379C2/ru active
- 2009-07-10 ES ES09793769.2T patent/ES2645375T3/es active Active
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2011
- 2011-07-27 HK HK11107811.9A patent/HK1153840A1/xx unknown
- 2011-08-04 HK HK11108095.4A patent/HK1154109A1/xx unknown
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2017
- 2017-09-08 CY CY20171100951T patent/CY1119501T1/el unknown
- 2017-10-26 CY CY20171101113T patent/CY1119494T1/el unknown
- 2017-12-05 CY CY20171101272T patent/CY1119659T1/el unknown
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2018
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