BR112015017868A2 - - Google Patents
Info
- Publication number
- BR112015017868A2 BR112015017868A2 BR112015017868A BR112015017868A BR112015017868A2 BR 112015017868 A2 BR112015017868 A2 BR 112015017868A2 BR 112015017868 A BR112015017868 A BR 112015017868A BR 112015017868 A BR112015017868 A BR 112015017868A BR 112015017868 A2 BR112015017868 A2 BR 112015017868A2
- Authority
- BR
- Brazil
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
-
- 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
-
- 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
- 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
- G10L19/0204—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 subband decomposition
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L2019/0012—Smoothing of parameters of the decoder interpolation
-
- 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
-
- 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
- G10L21/0388—Details of processing therefor
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Superheterodyne Receivers (AREA)
- Picture Signal Circuits (AREA)
- Testing Relating To Insulation (AREA)
- Stereophonic System (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Error Detection And Correction (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Electrotherapy Devices (AREA)
- Plasma Technology (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361758090P | 2013-01-29 | 2013-01-29 | |
| US61/758,090 | 2013-01-29 | ||
| PCT/EP2014/051603 WO2014118161A1 (en) | 2013-01-29 | 2014-01-28 | Apparatus and method for generating a frequency enhancement signal using an energy limitation operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015017868A2 true BR112015017868A2 (pt) | 2017-08-22 |
| BR112015017868B1 BR112015017868B1 (pt) | 2022-02-15 |
Family
ID=50029033
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015017866-9A BR112015017866B1 (pt) | 2013-01-29 | 2014-01-28 | Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria |
| BR112015017632-1A BR112015017632B1 (pt) | 2013-01-29 | 2014-01-28 | Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas |
| BR112015017868-5A BR112015017868B1 (pt) | 2013-01-29 | 2014-01-28 | Aparelho e método para gerar um sinal de melhoria de frequência utilizando uma operação de limitação de energia |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015017866-9A BR112015017866B1 (pt) | 2013-01-29 | 2014-01-28 | Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria |
| BR112015017632-1A BR112015017632B1 (pt) | 2013-01-29 | 2014-01-28 | Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas |
Country Status (20)
| Country | Link |
|---|---|
| US (4) | US9552823B2 (pt) |
| EP (4) | EP2951826B1 (pt) |
| JP (3) | JP6289507B2 (pt) |
| KR (3) | KR101787497B1 (pt) |
| CN (3) | CN105103228B (pt) |
| AR (3) | AR094670A1 (pt) |
| AU (3) | AU2014211529B2 (pt) |
| BR (3) | BR112015017866B1 (pt) |
| CA (3) | CA2899072C (pt) |
| ES (3) | ES2899781T3 (pt) |
| HK (2) | HK1218019A1 (pt) |
| MX (3) | MX346944B (pt) |
| MY (3) | MY172161A (pt) |
| PL (1) | PL2951825T3 (pt) |
| PT (1) | PT2951825T (pt) |
| RU (3) | RU2625945C2 (pt) |
| SG (3) | SG11201505908QA (pt) |
| TW (2) | TWI524332B (pt) |
| WO (3) | WO2014118161A1 (pt) |
| ZA (2) | ZA201506268B (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY172161A (en) | 2013-01-29 | 2019-11-15 | Fraunhofer Ges Forschung | Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal |
| TWI557727B (zh) | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
| US10146500B2 (en) * | 2016-08-31 | 2018-12-04 | Dts, Inc. | Transform-based audio codec and method with subband energy smoothing |
| US10825467B2 (en) * | 2017-04-21 | 2020-11-03 | Qualcomm Incorporated | Non-harmonic speech detection and bandwidth extension in a multi-source environment |
| EP3671741A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Audio processor and method for generating a frequency-enhanced audio signal using pulse processing |
| CN109841223B (zh) * | 2019-03-06 | 2020-11-24 | 深圳大学 | 一种音频信号处理方法、智能终端及存储介质 |
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-
2014
- 2014-01-28 MY MYPI2015001902A patent/MY172161A/en unknown
- 2014-01-28 PT PT147017503T patent/PT2951825T/pt unknown
- 2014-01-28 KR KR1020157020470A patent/KR101787497B1/ko active IP Right Grant
- 2014-01-28 AU AU2014211529A patent/AU2014211529B2/en active Active
- 2014-01-28 CA CA2899072A patent/CA2899072C/en active Active
- 2014-01-28 CN CN201480006625.7A patent/CN105103228B/zh active Active
- 2014-01-28 MX MX2015009597A patent/MX346944B/es active IP Right Grant
- 2014-01-28 SG SG11201505908QA patent/SG11201505908QA/en unknown
- 2014-01-28 EP EP14702224.8A patent/EP2951826B1/en active Active
- 2014-01-28 JP JP2015555675A patent/JP6289507B2/ja active Active
- 2014-01-28 WO PCT/EP2014/051603 patent/WO2014118161A1/en active Application Filing
- 2014-01-28 KR KR1020157022257A patent/KR101757349B1/ko active IP Right Grant
- 2014-01-28 ES ES16190670T patent/ES2899781T3/es active Active
- 2014-01-28 EP EP14701750.3A patent/EP2951825B1/en active Active
- 2014-01-28 MY MYPI2015001892A patent/MY172710A/en unknown
- 2014-01-28 BR BR112015017866-9A patent/BR112015017866B1/pt active IP Right Grant
- 2014-01-28 CA CA2899078A patent/CA2899078C/en active Active
- 2014-01-28 CN CN201480019085.6A patent/CN105229738B/zh active Active
- 2014-01-28 MX MX2015009536A patent/MX351191B/es active IP Right Grant
- 2014-01-28 BR BR112015017632-1A patent/BR112015017632B1/pt active IP Right Grant
- 2014-01-28 JP JP2015555674A patent/JP6321684B2/ja active Active
- 2014-01-28 EP EP16190670.6A patent/EP3136386B1/en active Active
- 2014-01-28 SG SG11201505883WA patent/SG11201505883WA/en unknown
- 2014-01-28 PL PL14701750T patent/PL2951825T3/pl unknown
- 2014-01-28 CN CN201480019526.2A patent/CN105264601B/zh active Active
- 2014-01-28 AU AU2014211527A patent/AU2014211527B2/en active Active
- 2014-01-28 CA CA2899080A patent/CA2899080C/en active Active
- 2014-01-28 RU RU2015136768A patent/RU2625945C2/ru active
- 2014-01-28 EP EP14702513.4A patent/EP2951827A1/en not_active Withdrawn
- 2014-01-28 MX MX2015009598A patent/MX346945B/es active IP Right Grant
- 2014-01-28 KR KR1020157022258A patent/KR101762225B1/ko active IP Right Grant
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