CA2896814C - Systems and methods of performing filtering for gain determination - Google Patents
Systems and methods of performing filtering for gain determination Download PDFInfo
- Publication number
- CA2896814C CA2896814C CA2896814A CA2896814A CA2896814C CA 2896814 C CA2896814 C CA 2896814C CA 2896814 A CA2896814 A CA 2896814A CA 2896814 A CA2896814 A CA 2896814A CA 2896814 C CA2896814 C CA 2896814C
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- Prior art keywords
- band
- audio signal
- lsp
- frame
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- 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
- G10L21/0208—Noise filtering
-
- 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
- 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
- G10L19/07—Line spectrum pair [LSP] 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361762807P | 2013-02-08 | 2013-02-08 | |
| US61/762,807 | 2013-02-08 | ||
| US13/959,188 | 2013-08-05 | ||
| US13/959,188 US9711156B2 (en) | 2013-02-08 | 2013-08-05 | Systems and methods of performing filtering for gain determination |
| PCT/US2013/053806 WO2014123579A1 (en) | 2013-02-08 | 2013-08-06 | Systems and methods of performing filtering for gain determination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2896814A1 CA2896814A1 (en) | 2014-08-14 |
| CA2896814C true CA2896814C (en) | 2018-08-14 |
Family
ID=51298066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2896814A Active CA2896814C (en) | 2013-02-08 | 2013-08-06 | Systems and methods of performing filtering for gain determination |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US9711156B2 (https=) |
| EP (1) | EP2954523B1 (https=) |
| JP (1) | JP6456847B2 (https=) |
| KR (1) | KR101891872B1 (https=) |
| CN (1) | CN104969291B (https=) |
| AU (1) | AU2013377885B2 (https=) |
| BR (1) | BR112015019040B1 (https=) |
| CA (1) | CA2896814C (https=) |
| DK (1) | DK2954523T3 (https=) |
| ES (1) | ES2715847T3 (https=) |
| HU (1) | HUE042387T2 (https=) |
| IL (1) | IL239719A (https=) |
| MY (1) | MY171188A (https=) |
| PH (1) | PH12015501516B1 (https=) |
| PL (1) | PL2954523T3 (https=) |
| PT (1) | PT2954523T (https=) |
| RU (1) | RU2643628C2 (https=) |
| SG (1) | SG11201505067TA (https=) |
| SI (1) | SI2954523T1 (https=) |
| UA (1) | UA116371C2 (https=) |
| WO (1) | WO2014123579A1 (https=) |
| ZA (1) | ZA201506577B (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364657B (zh) | 2013-07-16 | 2020-10-30 | 超清编解码有限公司 | 处理丢失帧的方法和解码器 |
| CN104517611B (zh) * | 2013-09-26 | 2016-05-25 | 华为技术有限公司 | 一种高频激励信号预测方法及装置 |
| US9697843B2 (en) | 2014-04-30 | 2017-07-04 | Qualcomm Incorporated | High band excitation signal generation |
| CN106683681B (zh) * | 2014-06-25 | 2020-09-25 | 华为技术有限公司 | 处理丢失帧的方法和装置 |
| CN104217726A (zh) * | 2014-09-01 | 2014-12-17 | 东莞中山大学研究院 | 一种无损音频压缩编码方法及其解码方法 |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| US10049684B2 (en) * | 2015-04-05 | 2018-08-14 | Qualcomm Incorporated | Audio bandwidth selection |
| US10020002B2 (en) | 2015-04-05 | 2018-07-10 | Qualcomm Incorporated | Gain parameter estimation based on energy saturation and signal scaling |
| US9380150B1 (en) * | 2015-09-16 | 2016-06-28 | Captioncall, Llc | Methods and devices for automatic volume control of a far-end voice signal provided to a captioning communication service |
| PL4134953T3 (pl) * | 2016-04-12 | 2025-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio do kodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, z uwzględnieniem wykrytego szczytowego obszaru widmowego w paśmie wyższej częstotliwości |
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| US11321047B2 (en) | 2020-06-11 | 2022-05-03 | Sorenson Ip Holdings, Llc | Volume adjustments |
| CN114093391B (zh) * | 2020-07-29 | 2025-02-25 | 华为技术有限公司 | 一种异常信号的过滤方法及装置 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263307B1 (en) | 1995-04-19 | 2001-07-17 | Texas Instruments Incorporated | Adaptive weiner filtering using line spectral frequencies |
| US6453289B1 (en) | 1998-07-24 | 2002-09-17 | Hughes Electronics Corporation | Method of noise reduction for speech codecs |
| KR20000047944A (ko) * | 1998-12-11 | 2000-07-25 | 이데이 노부유끼 | 수신장치 및 방법과 통신장치 및 방법 |
| US7110953B1 (en) | 2000-06-02 | 2006-09-19 | Agere Systems Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
| WO2002045078A1 (en) | 2000-11-30 | 2002-06-06 | Matsushita Electric Industrial Co., Ltd. | Audio decoder and audio decoding method |
| KR100935961B1 (ko) * | 2001-11-14 | 2010-01-08 | 파나소닉 주식회사 | 부호화 장치 및 복호화 장치 |
| US20050004793A1 (en) * | 2003-07-03 | 2005-01-06 | Pasi Ojala | Signal adaptation for higher band coding in a codec utilizing band split coding |
| US7983904B2 (en) * | 2004-11-05 | 2011-07-19 | Panasonic Corporation | Scalable decoding apparatus and scalable encoding apparatus |
| CN101107650B (zh) * | 2005-01-14 | 2012-03-28 | 松下电器产业株式会社 | 语音切换装置及语音切换方法 |
| US20080243496A1 (en) * | 2005-01-21 | 2008-10-02 | Matsushita Electric Industrial Co., Ltd. | Band Division Noise Suppressor and Band Division Noise Suppressing Method |
| UA94041C2 (ru) * | 2005-04-01 | 2011-04-11 | Квелкомм Инкорпорейтед | Способ и устройство для фильтрации, устраняющей разреженность |
| US8260611B2 (en) * | 2005-04-01 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for highband excitation generation |
| WO2007000988A1 (ja) * | 2005-06-29 | 2007-01-04 | Matsushita Electric Industrial Co., Ltd. | スケーラブル復号装置および消失データ補間方法 |
| EP1926083A4 (en) * | 2005-09-30 | 2011-01-26 | Panasonic Corp | AUDIOCODING DEVICE AND AUDIOCODING METHOD |
| DE102006022346B4 (de) | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
| CN101089951B (zh) * | 2006-06-16 | 2011-08-31 | 北京天籁传音数字技术有限公司 | 频带扩展编码方法及装置和解码方法及装置 |
| US8682652B2 (en) | 2006-06-30 | 2014-03-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
| US8725499B2 (en) * | 2006-07-31 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, and apparatus for signal change detection |
| BRPI0807276A2 (pt) * | 2007-02-20 | 2014-05-06 | Airbus France | "processo de realização de um revestimento para o tratamento acústico aplicado no nível de uma superfície a tratar de uma aeronave, revestimento para o tratamento acústico, e nacela de aeronave" |
| US8560307B2 (en) * | 2008-01-28 | 2013-10-15 | Qualcomm Incorporated | Systems, methods, and apparatus for context suppression using receivers |
| GB0822537D0 (en) * | 2008-12-10 | 2009-01-14 | Skype Ltd | Regeneration of wideband speech |
| JP4932917B2 (ja) * | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
| US8484020B2 (en) * | 2009-10-23 | 2013-07-09 | Qualcomm Incorporated | Determining an upperband signal from a narrowband signal |
| EP2502229B1 (en) | 2009-11-19 | 2017-08-09 | Telefonaktiebolaget LM Ericsson (publ) | Methods and arrangements for loudness and sharpness compensation in audio codecs |
| JP5535241B2 (ja) * | 2009-12-28 | 2014-07-02 | 三菱電機株式会社 | 音声信号復元装置および音声信号復元方法 |
| US8600737B2 (en) * | 2010-06-01 | 2013-12-03 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for wideband speech coding |
| US8738385B2 (en) | 2010-10-20 | 2014-05-27 | Broadcom Corporation | Pitch-based pre-filtering and post-filtering for compression of audio signals |
| EP2710590B1 (en) | 2011-05-16 | 2015-10-07 | Google, Inc. | Super-wideband noise supression |
-
2013
- 2013-08-05 US US13/959,188 patent/US9711156B2/en active Active
- 2013-08-06 KR KR1020157023785A patent/KR101891872B1/ko active Active
- 2013-08-06 WO PCT/US2013/053806 patent/WO2014123579A1/en not_active Ceased
- 2013-08-06 AU AU2013377885A patent/AU2013377885B2/en active Active
- 2013-08-06 DK DK13753450.9T patent/DK2954523T3/en active
- 2013-08-06 UA UAA201508656A patent/UA116371C2/uk unknown
- 2013-08-06 CN CN201380071701.8A patent/CN104969291B/zh active Active
- 2013-08-06 SI SI201331369T patent/SI2954523T1/sl unknown
- 2013-08-06 BR BR112015019040-5A patent/BR112015019040B1/pt active IP Right Grant
- 2013-08-06 PL PL13753450T patent/PL2954523T3/pl unknown
- 2013-08-06 MY MYPI2015702276A patent/MY171188A/en unknown
- 2013-08-06 SG SG11201505067TA patent/SG11201505067TA/en unknown
- 2013-08-06 CA CA2896814A patent/CA2896814C/en active Active
- 2013-08-06 JP JP2015556929A patent/JP6456847B2/ja active Active
- 2013-08-06 EP EP13753450.9A patent/EP2954523B1/en active Active
- 2013-08-06 ES ES13753450T patent/ES2715847T3/es active Active
- 2013-08-06 HU HUE13753450A patent/HUE042387T2/hu unknown
- 2013-08-06 PT PT13753450T patent/PT2954523T/pt unknown
- 2013-08-06 RU RU2015138109A patent/RU2643628C2/ru active
-
2015
- 2015-06-30 IL IL239719A patent/IL239719A/en active IP Right Grant
- 2015-07-03 PH PH12015501516A patent/PH12015501516B1/en unknown
- 2015-09-07 ZA ZA2015/06577A patent/ZA201506577B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL2954523T3 (pl) | 2019-05-31 |
| UA116371C2 (uk) | 2018-03-12 |
| BR112015019040A2 (pt) | 2017-07-18 |
| RU2015138109A (ru) | 2017-03-16 |
| ES2715847T3 (es) | 2019-06-06 |
| KR20150116881A (ko) | 2015-10-16 |
| SG11201505067TA (en) | 2015-08-28 |
| AU2013377885B2 (en) | 2019-07-18 |
| CA2896814A1 (en) | 2014-08-14 |
| ZA201506577B (en) | 2018-08-29 |
| KR101891872B1 (ko) | 2018-08-24 |
| US20140229171A1 (en) | 2014-08-14 |
| EP2954523A1 (en) | 2015-12-16 |
| EP2954523B1 (en) | 2018-12-19 |
| IL239719A0 (en) | 2015-08-31 |
| IL239719A (en) | 2016-11-30 |
| HUE042387T2 (hu) | 2019-06-28 |
| AU2013377885A1 (en) | 2015-07-23 |
| CN104969291A (zh) | 2015-10-07 |
| SI2954523T1 (sl) | 2019-04-30 |
| HK1211377A1 (en) | 2016-05-20 |
| PH12015501516A1 (en) | 2015-09-21 |
| JP2016511436A (ja) | 2016-04-14 |
| BR112015019040B1 (pt) | 2021-12-07 |
| DK2954523T3 (en) | 2019-03-25 |
| PH12015501516B1 (en) | 2018-09-05 |
| RU2643628C2 (ru) | 2018-02-02 |
| US9711156B2 (en) | 2017-07-18 |
| PT2954523T (pt) | 2019-03-25 |
| CN104969291B (zh) | 2018-10-26 |
| JP6456847B2 (ja) | 2019-01-23 |
| MY171188A (en) | 2019-09-30 |
| WO2014123579A1 (en) | 2014-08-14 |
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Legal Events
| Date | Code | Title | Description |
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| EEER | Examination request |
Effective date: 20170928 |
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Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 12TH ANNIV.) - STANDARD Year of fee payment: 12 |
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| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250709 |
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Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250709 |