UA116371C2 - Системи та способи виконання фільтрації для визначення посилення - Google Patents
Системи та способи виконання фільтрації для визначення посиленняInfo
- Publication number
- UA116371C2 UA116371C2 UAA201508656A UAA201508656A UA116371C2 UA 116371 C2 UA116371 C2 UA 116371C2 UA A201508656 A UAA201508656 A UA A201508656A UA A201508656 A UAA201508656 A UA A201508656A UA 116371 C2 UA116371 C2 UA 116371C2
- Authority
- UA
- Ukraine
- Prior art keywords
- band portion
- generating
- systems
- methods
- audio signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
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
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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
- 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
-
- 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)
Abstract
Даний спосіб включає в себе визначення, на основі спектральної інформації, що відповідає аудіосигналу, який включає в себе частину смуги низьких частот і частину смуги високих частот, того, що аудіосигнал включає в себе компонент, який відповідає умові формування артефактів. Спосіб також включає в себе фільтрацію частини смуги високих частот аудіосигналу і формування кодованого сигналу. Формування кодованого сигналу включає в себе визначення інформації посилення на основі відношення першої енергії, що відповідає фільтрованому вихідному сигналу смуги високих частот, до другої енергії, що відповідає частині смуги низьких частот, для того, щоб зменшувати чутний ефект умови формування артефактів.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361762807P | 2013-02-08 | 2013-02-08 | |
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 (1)
Publication Number | Publication Date |
---|---|
UA116371C2 true UA116371C2 (uk) | 2018-03-12 |
Family
ID=51298066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA201508656A UA116371C2 (uk) | 2013-02-08 | 2013-08-06 | Системи та способи виконання фільтрації для визначення посилення |
Country Status (23)
Country | Link |
---|---|
US (1) | US9711156B2 (uk) |
EP (1) | EP2954523B1 (uk) |
JP (1) | JP6456847B2 (uk) |
KR (1) | KR101891872B1 (uk) |
CN (1) | CN104969291B (uk) |
AU (1) | AU2013377885B2 (uk) |
BR (1) | BR112015019040B1 (uk) |
CA (1) | CA2896814C (uk) |
DK (1) | DK2954523T3 (uk) |
ES (1) | ES2715847T3 (uk) |
HK (1) | HK1211377A1 (uk) |
HU (1) | HUE042387T2 (uk) |
IL (1) | IL239719A (uk) |
MY (1) | MY171188A (uk) |
PH (1) | PH12015501516A1 (uk) |
PL (1) | PL2954523T3 (uk) |
PT (1) | PT2954523T (uk) |
RU (1) | RU2643628C2 (uk) |
SG (1) | SG11201505067TA (uk) |
SI (1) | SI2954523T1 (uk) |
UA (1) | UA116371C2 (uk) |
WO (1) | WO2014123579A1 (uk) |
ZA (1) | ZA201506577B (uk) |
Families Citing this family (12)
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CN104301064B (zh) | 2013-07-16 | 2018-05-04 | 华为技术有限公司 | 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 |
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 |
JP6734394B2 (ja) * | 2016-04-12 | 2020-08-05 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 高位周波数帯域における検出されたピークスペクトル領域を考慮してオーディオ信号を符号化するオーディオ符号器、オーディオ信号を符号化する方法、及びコンピュータプログラム |
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 |
CN114093391A (zh) * | 2020-07-29 | 2022-02-25 | 华为技术有限公司 | 一种异常信号的过滤方法及装置 |
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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 |
US7478042B2 (en) | 2000-11-30 | 2009-01-13 | Panasonic Corporation | Speech decoder that detects stationary noise signal regions |
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 |
RU2404506C2 (ru) * | 2004-11-05 | 2010-11-20 | Панасоник Корпорэйшн | Устройство масштабируемого декодирования и устройство масштабируемого кодирования |
US8010353B2 (en) * | 2005-01-14 | 2011-08-30 | Panasonic Corporation | Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signal |
US20080243496A1 (en) * | 2005-01-21 | 2008-10-02 | Matsushita Electric Industrial Co., Ltd. | Band Division Noise Suppressor and Band Division Noise Suppressing Method |
WO2006107837A1 (en) | 2005-04-01 | 2006-10-12 | Qualcomm Incorporated | Methods and apparatus for encoding and decoding an highband portion of a speech signal |
CN101185127B (zh) * | 2005-04-01 | 2014-04-23 | 高通股份有限公司 | 用于编码和解码语音信号的高频带部分的方法和设备 |
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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 |
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2013
- 2013-08-05 US US13/959,188 patent/US9711156B2/en active Active
- 2013-08-06 ES ES13753450T patent/ES2715847T3/es active Active
- 2013-08-06 DK DK13753450.9T patent/DK2954523T3/en active
- 2013-08-06 AU AU2013377885A patent/AU2013377885B2/en active Active
- 2013-08-06 MY MYPI2015702276A patent/MY171188A/en unknown
- 2013-08-06 WO PCT/US2013/053806 patent/WO2014123579A1/en active Application Filing
- 2013-08-06 KR KR1020157023785A patent/KR101891872B1/ko active IP Right Grant
- 2013-08-06 SG SG11201505067TA patent/SG11201505067TA/en unknown
- 2013-08-06 EP EP13753450.9A patent/EP2954523B1/en active Active
- 2013-08-06 JP JP2015556929A patent/JP6456847B2/ja active Active
- 2013-08-06 CN CN201380071701.8A patent/CN104969291B/zh active Active
- 2013-08-06 PT PT13753450T patent/PT2954523T/pt unknown
- 2013-08-06 PL PL13753450T patent/PL2954523T3/pl unknown
- 2013-08-06 UA UAA201508656A patent/UA116371C2/uk unknown
- 2013-08-06 HU HUE13753450A patent/HUE042387T2/hu unknown
- 2013-08-06 SI SI201331369T patent/SI2954523T1/sl unknown
- 2013-08-06 RU RU2015138109A patent/RU2643628C2/ru active
- 2013-08-06 CA CA2896814A patent/CA2896814C/en active Active
- 2013-08-06 BR BR112015019040-5A patent/BR112015019040B1/pt active IP Right Grant
-
2015
- 2015-06-30 IL IL239719A patent/IL239719A/en active IP Right Grant
- 2015-07-03 PH PH12015501516A patent/PH12015501516A1/en unknown
- 2015-09-07 ZA ZA2015/06577A patent/ZA201506577B/en unknown
- 2015-12-07 HK HK15112045.3A patent/HK1211377A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PH12015501516B1 (en) | 2015-09-21 |
ES2715847T3 (es) | 2019-06-06 |
US20140229171A1 (en) | 2014-08-14 |
AU2013377885B2 (en) | 2019-07-18 |
CN104969291A (zh) | 2015-10-07 |
KR101891872B1 (ko) | 2018-08-24 |
AU2013377885A1 (en) | 2015-07-23 |
PT2954523T (pt) | 2019-03-25 |
IL239719A0 (en) | 2015-08-31 |
HUE042387T2 (hu) | 2019-06-28 |
DK2954523T3 (en) | 2019-03-25 |
CN104969291B (zh) | 2018-10-26 |
EP2954523A1 (en) | 2015-12-16 |
HK1211377A1 (en) | 2016-05-20 |
BR112015019040B1 (pt) | 2021-12-07 |
ZA201506577B (en) | 2018-08-29 |
IL239719A (en) | 2016-11-30 |
RU2015138109A (ru) | 2017-03-16 |
JP2016511436A (ja) | 2016-04-14 |
RU2643628C2 (ru) | 2018-02-02 |
US9711156B2 (en) | 2017-07-18 |
JP6456847B2 (ja) | 2019-01-23 |
CA2896814C (en) | 2018-08-14 |
SI2954523T1 (sl) | 2019-04-30 |
MY171188A (en) | 2019-09-30 |
BR112015019040A2 (pt) | 2017-07-18 |
EP2954523B1 (en) | 2018-12-19 |
PL2954523T3 (pl) | 2019-05-31 |
WO2014123579A1 (en) | 2014-08-14 |
CA2896814A1 (en) | 2014-08-14 |
PH12015501516A1 (en) | 2015-09-21 |
KR20150116881A (ko) | 2015-10-16 |
SG11201505067TA (en) | 2015-08-28 |
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