BR112016022770A2 - Codificação de sinal de banda alta com o uso de múltiplas sub-bandas - Google Patents
Codificação de sinal de banda alta com o uso de múltiplas sub-bandasInfo
- Publication number
- BR112016022770A2 BR112016022770A2 BR112016022770A BR112016022770A BR112016022770A2 BR 112016022770 A2 BR112016022770 A2 BR 112016022770A2 BR 112016022770 A BR112016022770 A BR 112016022770A BR 112016022770 A BR112016022770 A BR 112016022770A BR 112016022770 A2 BR112016022770 A2 BR 112016022770A2
- Authority
- BR
- Brazil
- Prior art keywords
- bands
- band signal
- multiple sub
- signal coding
- coding
- 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461973135P | 2014-03-31 | 2014-03-31 | |
US61/973,135 | 2014-03-31 | ||
US14/672,868 US9542955B2 (en) | 2014-03-31 | 2015-03-30 | High-band signal coding using multiple sub-bands |
US14/672,868 | 2015-03-30 | ||
PCT/US2015/023490 WO2015153548A1 (en) | 2014-03-31 | 2015-03-31 | High-band signal coding using multiple sub-bands |
Publications (3)
Publication Number | Publication Date |
---|---|
BR112016022770A2 true BR112016022770A2 (pt) | 2017-08-15 |
BR112016022770A8 BR112016022770A8 (pt) | 2021-07-13 |
BR112016022770B1 BR112016022770B1 (pt) | 2023-08-01 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
HUE045976T2 (hu) | 2020-01-28 |
US9542955B2 (en) | 2017-01-10 |
CN107818791B (zh) | 2021-09-14 |
CN106165012B (zh) | 2017-09-01 |
US9818419B2 (en) | 2017-11-14 |
BR112016022770A8 (pt) | 2021-07-13 |
EP3127113A1 (en) | 2017-02-08 |
JP2017515143A (ja) | 2017-06-08 |
WO2015153548A1 (en) | 2015-10-08 |
CA2940411C (en) | 2018-06-19 |
CA2940411A1 (en) | 2015-10-08 |
CN107818791A (zh) | 2018-03-20 |
CA3005797A1 (en) | 2015-10-08 |
JP6396538B2 (ja) | 2018-09-26 |
JP6162347B2 (ja) | 2017-07-12 |
KR20160138454A (ko) | 2016-12-05 |
TWI652669B (zh) | 2019-03-01 |
US20170084284A1 (en) | 2017-03-23 |
KR102154908B1 (ko) | 2020-09-10 |
TWI597721B (zh) | 2017-09-01 |
CN106165012A (zh) | 2016-11-23 |
TW201735011A (zh) | 2017-10-01 |
EP3127113B1 (en) | 2019-08-14 |
TW201541452A (zh) | 2015-11-01 |
CA3005797C (en) | 2019-10-29 |
JP2017201404A (ja) | 2017-11-09 |
US20150279384A1 (en) | 2015-10-01 |
ES2755364T3 (es) | 2020-04-22 |
KR20180011861A (ko) | 2018-02-02 |
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Legal Events
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B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/03/2015, OBSERVADAS AS CONDICOES LEGAIS |