SG11201601637PA - Adaptive bandwidth extension and apparatus for the same - Google Patents
Adaptive bandwidth extension and apparatus for the sameInfo
- Publication number
- SG11201601637PA SG11201601637PA SG11201601637PA SG11201601637PA SG11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA
- Authority
- SG
- Singapore
- Prior art keywords
- same
- bandwidth extension
- adaptive bandwidth
- adaptive
- extension
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external 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
- G10L19/04—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
- 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
- G10L19/04—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
- G10L19/04—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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361875690P | 2013-09-10 | 2013-09-10 | |
US14/478,839 US9666202B2 (en) | 2013-09-10 | 2014-09-05 | Adaptive bandwidth extension and apparatus for the same |
PCT/CN2014/086135 WO2015035896A1 (en) | 2013-09-10 | 2014-09-09 | Adaptive bandwidth extension and apparatus for the same |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201601637PA true SG11201601637PA (en) | 2016-04-28 |
Family
ID=52626402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201601637PA SG11201601637PA (en) | 2013-09-10 | 2014-09-09 | Adaptive bandwidth extension and apparatus for the same |
Country Status (16)
Country | Link |
---|---|
US (2) | US9666202B2 (en) |
EP (3) | EP4258261A3 (en) |
JP (1) | JP6336086B2 (en) |
KR (2) | KR101785885B1 (en) |
CN (2) | CN107393552B (en) |
AU (1) | AU2014320881B2 (en) |
BR (1) | BR112016005111B1 (en) |
CA (1) | CA2923218C (en) |
ES (1) | ES2644967T3 (en) |
HK (1) | HK1220541A1 (en) |
MX (1) | MX356721B (en) |
MY (1) | MY192508A (en) |
PL (1) | PL3301674T3 (en) |
RU (1) | RU2641224C2 (en) |
SG (1) | SG11201601637PA (en) |
WO (1) | WO2015035896A1 (en) |
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TR201808500T4 (en) * | 2008-12-15 | 2018-07-23 | Fraunhofer Ges Forschung | Audio encoder and bandwidth extension decoder. |
TWI557726B (en) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | System and method for determining a master scale factor band table for a highband signal of an audio signal |
US9666202B2 (en) * | 2013-09-10 | 2017-05-30 | Huawei Technologies Co., Ltd. | Adaptive bandwidth extension and apparatus for the same |
CN105761723B (en) * | 2013-09-26 | 2019-01-15 | 华为技术有限公司 | A kind of high-frequency excitation signal prediction technique and device |
CN104517610B (en) * | 2013-09-26 | 2018-03-06 | 华为技术有限公司 | The method and device of bandspreading |
FR3017484A1 (en) | 2014-02-07 | 2015-08-14 | Orange | ENHANCED FREQUENCY BAND EXTENSION IN AUDIO FREQUENCY SIGNAL DECODER |
CN111312277B (en) * | 2014-03-03 | 2023-08-15 | 三星电子株式会社 | Method and apparatus for high frequency decoding of bandwidth extension |
KR101701623B1 (en) * | 2015-07-09 | 2017-02-13 | 라인 가부시키가이샤 | System and method for concealing bandwidth reduction for voice call of voice-over internet protocol |
JP6611042B2 (en) * | 2015-12-02 | 2019-11-27 | パナソニックIpマネジメント株式会社 | Audio signal decoding apparatus and audio signal decoding method |
CN106057220B (en) * | 2016-05-19 | 2020-01-03 | Tcl集团股份有限公司 | High-frequency extension method of audio signal and audio player |
KR102494080B1 (en) | 2016-06-01 | 2023-02-01 | 삼성전자 주식회사 | Electronic device and method for correcting sound signal thereof |
CN109791773B (en) | 2016-11-04 | 2020-03-24 | 惠普发展公司,有限责任合伙企业 | Audio output generation system, audio channel output method, and computer readable medium |
EP3382702A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal |
US10431231B2 (en) * | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
US20190051286A1 (en) * | 2017-08-14 | 2019-02-14 | Microsoft Technology Licensing, Llc | Normalization of high band signals in network telephony communications |
CN109688531B (en) * | 2017-10-18 | 2021-01-26 | 宏达国际电子股份有限公司 | Method for acquiring high-sound-quality audio conversion information, electronic device and recording medium |
CN107886966A (en) * | 2017-10-30 | 2018-04-06 | 捷开通讯(深圳)有限公司 | Terminal and its method for optimization voice command, storage device |
CN107863095A (en) * | 2017-11-21 | 2018-03-30 | 广州酷狗计算机科技有限公司 | Acoustic signal processing method, device and storage medium |
CN110232909B (en) * | 2018-03-02 | 2024-07-23 | 北京搜狗科技发展有限公司 | Audio processing method, device, equipment and readable storage medium |
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US10573331B2 (en) * | 2018-05-01 | 2020-02-25 | Qualcomm Incorporated | Cooperative pyramid vector quantizers for scalable audio coding |
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CN110660402B (en) | 2018-06-29 | 2022-03-29 | 华为技术有限公司 | Method and device for determining weighting coefficients in a stereo signal encoding process |
CN110556122B (en) * | 2019-09-18 | 2024-01-19 | 腾讯科技(深圳)有限公司 | Band expansion method, device, electronic equipment and computer readable storage medium |
CN112201261B (en) * | 2020-09-08 | 2024-05-03 | 厦门亿联网络技术股份有限公司 | Frequency band expansion method and device based on linear filtering and conference terminal system |
CN113299313B (en) * | 2021-01-28 | 2024-03-26 | 维沃移动通信有限公司 | Audio processing method and device and electronic equipment |
CN114999503A (en) * | 2022-05-23 | 2022-09-02 | 北京百瑞互联技术有限公司 | Full-bandwidth spectral coefficient generation method and system based on generation countermeasure network |
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-
2014
- 2014-09-05 US US14/478,839 patent/US9666202B2/en active Active
- 2014-09-09 JP JP2016541789A patent/JP6336086B2/en active Active
- 2014-09-09 EP EP23168838.3A patent/EP4258261A3/en active Pending
- 2014-09-09 MX MX2016003074A patent/MX356721B/en active IP Right Grant
- 2014-09-09 KR KR1020167008694A patent/KR101785885B1/en active IP Right Grant
- 2014-09-09 SG SG11201601637PA patent/SG11201601637PA/en unknown
- 2014-09-09 RU RU2016113288A patent/RU2641224C2/en active
- 2014-09-09 PL PL17186095.0T patent/PL3301674T3/en unknown
- 2014-09-09 EP EP17186095.0A patent/EP3301674B1/en active Active
- 2014-09-09 EP EP14844454.0A patent/EP3039676B1/en active Active
- 2014-09-09 CN CN201710662896.3A patent/CN107393552B/en active Active
- 2014-09-09 ES ES14844454.0T patent/ES2644967T3/en active Active
- 2014-09-09 CN CN201480047702.3A patent/CN105637583B/en active Active
- 2014-09-09 MY MYPI2016700813A patent/MY192508A/en unknown
- 2014-09-09 CA CA2923218A patent/CA2923218C/en active Active
- 2014-09-09 WO PCT/CN2014/086135 patent/WO2015035896A1/en active Application Filing
- 2014-09-09 KR KR1020177027672A patent/KR101871644B1/en active IP Right Grant
- 2014-09-09 AU AU2014320881A patent/AU2014320881B2/en active Active
- 2014-09-09 BR BR112016005111-4A patent/BR112016005111B1/en active IP Right Grant
-
2016
- 2016-07-15 HK HK16108371.4A patent/HK1220541A1/en unknown
-
2017
- 2017-04-19 US US15/491,181 patent/US10249313B2/en active Active
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