[go: up one dir, main page]

UA94041C2 - Способ и устройство для фильтрации, устраняющей разреженность - Google Patents

Способ и устройство для фильтрации, устраняющей разреженность

Info

Publication number
UA94041C2
UA94041C2 UAA200712062A UAA200712062A UA94041C2 UA 94041 C2 UA94041 C2 UA 94041C2 UA A200712062 A UAA200712062 A UA A200712062A UA A200712062 A UAA200712062 A UA A200712062A UA 94041 C2 UA94041 C2 UA 94041C2
Authority
UA
Ukraine
Prior art keywords
signal
excitation signal
sparseness filtering
sparseness
filtering
Prior art date
Application number
UAA200712062A
Other languages
English (en)
Ukrainian (uk)
Inventor
Коен Бернард Вос
Анантхападманабхан А. КАНДХАДАЙ
Original Assignee
Квелкомм Инкорпорейтед
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Квелкомм Инкорпорейтед filed Critical Квелкомм Инкорпорейтед
Publication of UA94041C2 publication Critical patent/UA94041C2/ru

Links

Landscapes

  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Transmitters (AREA)

Abstract

В одном варианте осуществления способ формирования сигнала возбуждения полосы верхних частот включает формирование спектрально расширенного сигнала с помощью расширения спектра сигнала, основанного на кодированном сигнале возбуждения полосы нижних частот; и выполнение фильтрации сигнала, которая устраняет разреженность, основанную на кодированном сигнале возбуждения полосы нижних частот. При этом способе сигнал возбуждения полосы верхних частот основан на спектрально расширенном сигнале, и сигнал возбуждения полосы верхних частот основан на результате выполнения фильтрации, устраняющей разреженность.
UAA200712062A 2005-04-01 2006-04-03 Способ и устройство для фильтрации, устраняющей разреженность UA94041C2 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66790105P 2005-04-01 2005-04-01

Publications (1)

Publication Number Publication Date
UA94041C2 true UA94041C2 (ru) 2011-04-11

Family

ID=39406063

Family Applications (6)

Application Number Title Priority Date Filing Date
UAA200712011A UA92341C2 (ru) 2005-04-01 2006-04-03 Системы, способы и устройство широкополосного речевого кодирования
UAA200712008A UA91853C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для векторного квантования спектрального представления огибающей
UAA200712057A UA95776C2 (ru) 2005-04-01 2006-04-03 Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
UAA200712012A UA92742C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для кодирования речевых сигналов с расщеплением полосы
UAA200712061A UA93677C2 (ru) 2005-04-01 2006-04-03 Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот
UAA200712062A UA94041C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для фильтрации, устраняющей разреженность

Family Applications Before (5)

Application Number Title Priority Date Filing Date
UAA200712011A UA92341C2 (ru) 2005-04-01 2006-04-03 Системы, способы и устройство широкополосного речевого кодирования
UAA200712008A UA91853C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для векторного квантования спектрального представления огибающей
UAA200712057A UA95776C2 (ru) 2005-04-01 2006-04-03 Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
UAA200712012A UA92742C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для кодирования речевых сигналов с расщеплением полосы
UAA200712061A UA93677C2 (ru) 2005-04-01 2006-04-03 Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот

Country Status (3)

Country Link
CN (8) CN101180677B (ru)
ES (3) ES2351935T3 (ru)
UA (6) UA92341C2 (ru)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG163555A1 (en) 2005-04-01 2010-08-30 Qualcomm Inc Systems, methods, and apparatus for highband burst suppression
CN101620854B (zh) * 2008-06-30 2012-04-04 华为技术有限公司 频带扩展的方法、系统和设备
CN101964690B (zh) * 2009-07-22 2012-07-04 联芯科技有限公司 一种harq合并译码方法、装置及系统
CN102044250B (zh) * 2009-10-23 2012-06-27 华为技术有限公司 频带扩展方法及装置
CN102812512B (zh) * 2010-03-23 2014-06-25 Lg电子株式会社 处理音频信号的方法和装置
CN102610231B (zh) 2011-01-24 2013-10-09 华为技术有限公司 一种带宽扩展方法及装置
DK3567589T3 (da) * 2011-02-18 2022-05-09 Ntt Docomo Inc Talekoder og talekodningsfremgangsmåde
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
CA2851370C (en) * 2011-11-03 2019-12-03 Voiceage Corporation Improving non-speech content for low rate celp decoder
CN102543091B (zh) * 2011-12-29 2014-12-24 深圳万兴信息科技股份有限公司 一种模拟音效的生成系统及方法
KR101816506B1 (ko) * 2012-02-23 2018-01-09 돌비 인터네셔널 에이비 고 주파수 오디오 콘텐트의 효율적인 복구를 위한 방법들 및 시스템들
ES2762160T3 (es) * 2012-05-23 2020-05-22 Nippon Telegraph & Telephone Métodos de descodificación de audio, descodificadores de audio, y programa y soporte de registro correspondientes
CN103928031B (zh) 2013-01-15 2016-03-30 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
CN103971693B (zh) 2013-01-29 2017-02-22 华为技术有限公司 高频带信号的预测方法、编/解码设备
US9728200B2 (en) * 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
US9711156B2 (en) * 2013-02-08 2017-07-18 Qualcomm Incorporated Systems and methods of performing filtering for gain determination
US9601125B2 (en) * 2013-02-08 2017-03-21 Qualcomm Incorporated Systems and methods of performing noise modulation and gain adjustment
EP2830065A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
US9620134B2 (en) * 2013-10-10 2017-04-11 Qualcomm Incorporated Gain shape estimation for improved tracking of high-band temporal characteristics
US10083708B2 (en) * 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US9384746B2 (en) * 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
US9293143B2 (en) * 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection
US20150170655A1 (en) * 2013-12-15 2015-06-18 Qualcomm Incorporated Systems and methods of blind bandwidth extension
US10163447B2 (en) * 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling
CN103714822B (zh) * 2013-12-27 2017-01-11 广州华多网络科技有限公司 基于silk编解码器的子带编解码方法及装置
US9984699B2 (en) * 2014-06-26 2018-05-29 Qualcomm Incorporated High-band signal coding using mismatched frequency ranges
EP2980798A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonicity-dependent controlling of a harmonic filter tool
CN106448688B (zh) 2014-07-28 2019-11-05 华为技术有限公司 音频编码方法及相关装置
US9595269B2 (en) * 2015-01-19 2017-03-14 Qualcomm Incorporated Scaling for gain shape circuitry
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
US10847170B2 (en) * 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
CN109313908B (zh) 2016-04-12 2023-09-22 弗劳恩霍夫应用研究促进协会 用于对音频信号进行编码的音频编码器以及方法
CN116343804A (zh) 2016-12-16 2023-06-27 瑞典爱立信有限公司 用于处理包络表示系数的方法、编码器和解码器
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
US10431231B2 (en) * 2017-06-29 2019-10-01 Qualcomm Incorporated High-band residual prediction with time-domain inter-channel bandwidth extension
TWI723545B (zh) * 2019-09-17 2021-04-01 宏碁股份有限公司 語音處理方法及其裝置
US11956111B2 (en) * 2020-02-14 2024-04-09 Huawei Technologies Co., Ltd. Multi-rate crest factor reduction
CN111402907B (zh) * 2020-03-13 2023-04-18 大连理工大学 一种基于g.722.1的多描述语音编码方法
US11935546B2 (en) * 2021-08-19 2024-03-19 Semiconductor Components Industries, Llc Transmission error robust ADPCM compressor with enhanced response
CN114935698B (zh) * 2022-04-07 2025-03-18 苏州恩巨网络有限公司 背景噪声的识别方法、装置、电子设备和存储介质
CN119015704B (zh) * 2024-10-28 2025-03-18 杭州电魂网络科技股份有限公司 一种游戏场景管理方法、系统、装置和介质

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805193A (en) * 1987-06-04 1989-02-14 Motorola, Inc. Protection of energy information in sub-band coding
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
DE69619284T3 (de) * 1995-03-13 2006-04-27 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur Erweiterung der Sprachbandbreite
US6097824A (en) * 1997-06-06 2000-08-01 Audiologic, Incorporated Continuous frequency dynamic range audio compressor
FI113571B (fi) * 1998-03-09 2004-05-14 Nokia Corp Puheenkoodaus
WO2000070769A1 (en) * 1999-05-14 2000-11-23 Matsushita Electric Industrial Co., Ltd. Method and apparatus for expanding band of audio signal
US6393394B1 (en) * 1999-07-19 2002-05-21 Qualcomm Incorporated Method and apparatus for interleaving line spectral information quantization methods in a speech coder
JP4792613B2 (ja) * 1999-09-29 2011-10-12 ソニー株式会社 情報処理装置および方法、並びに記録媒体
KR100675309B1 (ko) * 1999-11-16 2007-01-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 광대역 오디오 송신 시스템, 송신기, 수신기, 코딩 디바이스, 디코딩 디바이스와, 송신 시스템에서 사용하기 위한 코딩 방법 및 디코딩 방법
CN1187735C (zh) * 2000-01-11 2005-02-02 松下电器产业株式会社 多模式话音编码装置和解码装置
US6704711B2 (en) * 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
US6732070B1 (en) * 2000-02-16 2004-05-04 Nokia Mobile Phones, Ltd. Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
US6947888B1 (en) * 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
AU2002318813B2 (en) * 2001-07-13 2004-04-29 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
US6988066B2 (en) * 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
CN1288622C (zh) * 2001-11-02 2006-12-06 松下电器产业株式会社 编码设备和解码设备
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
WO2003042981A1 (en) * 2001-11-14 2003-05-22 Matsushita Electric Industrial Co., Ltd. Audio coding and decoding
CN1288625C (zh) * 2002-01-30 2006-12-06 松下电器产业株式会社 音频编码与解码设备及其方法
KR100446242B1 (ko) * 2002-04-30 2004-08-30 엘지전자 주식회사 음성 부호화기에서 하모닉 추정 방법 및 장치
DE60304479T2 (de) * 2002-08-01 2006-12-14 Matsushita Electric Industrial Co., Ltd., Kadoma Audiodekodierungsvorrichtung und audiodekodierungsverfahren auf der basis der spektralband duplikation
CN1186765C (zh) * 2002-12-19 2005-01-26 北京工业大学 2.3kb/s谐波激励线性预测语音编码方法
CA2415105A1 (en) * 2002-12-24 2004-06-24 Voiceage Corporation A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
FI118550B (fi) * 2003-07-14 2007-12-14 Nokia Corp Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä
CN1598926A (zh) * 2003-09-16 2005-03-23 株式会社东芝 具有噪声抑制的音频编码方法和设备

Also Published As

Publication number Publication date
CN101185125B (zh) 2012-01-11
UA91853C2 (ru) 2010-09-10
CN101184979B (zh) 2012-04-25
CN101180677B (zh) 2011-02-09
CN101185120A (zh) 2008-05-21
CN101184979A (zh) 2008-05-21
ES2350494T3 (es) 2011-01-24
CN101180676B (zh) 2011-12-14
CN101185126A (zh) 2008-05-21
CN101185127B (zh) 2014-04-23
CN101185120B (zh) 2012-05-30
CN101180676A (zh) 2008-05-14
CN101185125A (zh) 2008-05-21
UA95776C2 (ru) 2011-09-12
UA92341C2 (ru) 2010-10-25
CN101185127A (zh) 2008-05-21
CN101180677A (zh) 2008-05-14
CN101185126B (zh) 2014-08-06
CN101185124B (zh) 2012-01-11
ES2358125T3 (es) 2011-05-05
CN101185124A (zh) 2008-05-21
UA92742C2 (ru) 2010-12-10
ES2351935T3 (es) 2011-02-14
UA93677C2 (ru) 2011-03-10

Similar Documents

Publication Publication Date Title
UA94041C2 (ru) Способ и устройство для фильтрации, устраняющей разреженность
SG161224A1 (en) Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
WO2006116316A3 (en) Open source trajectory method and apparatus for interior imaging
CA2716926A1 (en) Apparatus for mixing a plurality of input data streams
WO2008084575A1 (ja) 車載用音声認識装置
DE602004020765D1 (de) Bandbreitenerweiterung von bandbegrenzten Tonsignalen
ATE526659T1 (de) Verfahren und vorrichtung zum kodieren von einem audiosignal
TW200737128A (en) Systems, methods, and apparatus for detection of tonal components
TW200731833A (en) Method and apparatus for processing a media signal
ATE425532T1 (de) Modellbasierte verbesserung von sprachsignalen
EP1968345A3 (en) Acoustic vibration reproducing apparatus
EP3364661A3 (en) Electronic device and method for controlling the same
EP1933281A3 (en) Authentication system managing method
WO2013187826A3 (en) Cepstral separation difference
EP1533791A3 (en) Voice/unvoice determination and dialogue enhancement
DE602005013906D1 (de) Bandbreitenerweiterung eines schmalbandigen akustischen Signals
EP2018035A3 (en) Cheque reading apparatus and method of controlling the same to produce a sound
TW200717301A (en) Speech prompt system and method thereof
TW200710791A (en) Display device and driving device and driving method thereof
TW200705233A (en) System and method for automatically generating various driving sources used for simulation analysis
TW200601120A (en) Simplified data input method and its device