HK1245494B - 高頻帶信號產生 - Google Patents

高頻帶信號產生

Info

Publication number
HK1245494B
HK1245494B HK18104866.3A HK18104866A HK1245494B HK 1245494 B HK1245494 B HK 1245494B HK 18104866 A HK18104866 A HK 18104866A HK 1245494 B HK1245494 B HK 1245494B
Authority
HK
Hong Kong
Prior art keywords
signal generation
band signal
band
generation
signal
Prior art date
Application number
HK18104866.3A
Other languages
English (en)
Inventor
文卡特拉曼‧阿提
文卡塔‧薩伯拉曼亞姆‧强卓‧賽克哈爾‧奇比亞姆
Original Assignee
高通股份有限公司
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 高通股份有限公司 filed Critical 高通股份有限公司
Publication of HK1245494B publication Critical patent/HK1245494B/zh

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
    • 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
    • G10L19/02—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
    • 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
    • G10L19/03—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • 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
    • G10L19/18—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK18104866.3A 2015-06-18 2018-04-13 高頻帶信號產生 HK1245494B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562181702P 2015-06-18 2015-06-18
US201562241065P 2015-10-13 2015-10-13
US15/164,619 US9837089B2 (en) 2015-06-18 2016-05-25 High-band signal generation
PCT/US2016/034453 WO2016204956A1 (en) 2015-06-18 2016-05-26 High-band signal generation

Publications (1)

Publication Number Publication Date
HK1245494B true HK1245494B (zh) 2020-06-26

Family

ID=56121190

Family Applications (1)

Application Number Title Priority Date Filing Date
HK18104866.3A HK1245494B (zh) 2015-06-18 2018-04-13 高頻帶信號產生

Country Status (21)

Country Link
US (1) US9837089B2 (zh)
EP (2) EP3311381B1 (zh)
JP (1) JP6794379B2 (zh)
KR (1) KR101951588B1 (zh)
CN (1) CN107787510B (zh)
AU (1) AU2016278851B2 (zh)
BR (1) BR112017027364B1 (zh)
CA (1) CA2986435C (zh)
CL (1) CL2017003157A1 (zh)
CO (1) CO2017012876A2 (zh)
ES (1) ES2978715T3 (zh)
HK (1) HK1245494B (zh)
MX (1) MX2017015416A (zh)
MY (1) MY182303A (zh)
NZ (1) NZ737172A (zh)
PH (1) PH12017502232A1 (zh)
RU (1) RU2667460C1 (zh)
SA (1) SA517390520B1 (zh)
TW (1) TWI631555B (zh)
WO (1) WO2016204956A1 (zh)
ZA (1) ZA201708559B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10553222B2 (en) * 2017-03-09 2020-02-04 Qualcomm Incorporated Inter-channel bandwidth extension spectral mapping and adjustment
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
US10734001B2 (en) * 2017-10-05 2020-08-04 Qualcomm Incorporated Encoding or decoding of audio signals
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
WO2021261235A1 (ja) * 2020-06-22 2021-12-30 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
WO2024052378A1 (en) * 2022-09-09 2024-03-14 Telefonaktiebolaget Lm Ericsson (Publ) Low complex bandwidth extension target generation

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
DE69029120T2 (de) * 1989-04-25 1997-04-30 Toshiba Kawasaki Kk Stimmenkodierer
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
US6047254A (en) * 1996-05-15 2000-04-04 Advanced Micro Devices, Inc. System and method for determining a first formant analysis filter and prefiltering a speech signal for improved pitch estimation
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
EP0878790A1 (en) * 1997-05-15 1998-11-18 Hewlett-Packard Company Voice coding system and method
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
WO1999065017A1 (en) * 1998-06-09 1999-12-16 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus and speech decoding apparatus
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
EP1052622B1 (en) * 1999-05-11 2007-07-11 Nippon Telegraph and Telephone Corporation Selection of a synthesis filter for CELP type wideband audio coding
US6226616B1 (en) * 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
EP1959435B1 (en) * 1999-08-23 2009-12-23 Panasonic Corporation Speech encoder
CA2290037A1 (en) * 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
US7260523B2 (en) * 1999-12-21 2007-08-21 Texas Instruments Incorporated Sub-band speech coding system
US6704711B2 (en) * 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
EP1199711A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Encoding of audio signal using bandwidth expansion
ATE338333T1 (de) * 2001-04-05 2006-09-15 Koninkl Philips Electronics Nv Zeitskalenmodifikation von signalen mit spezifischem verfahren je nach ermitteltem signaltyp
SE522553C2 (sv) * 2001-04-23 2004-02-17 Ericsson Telefon Ab L M Bandbreddsutsträckning av akustiska signaler
EP1400139B1 (en) * 2001-06-26 2006-06-07 Nokia Corporation Method for transcoding audio signals, network element, wireless communications network and communications system
US20040243400A1 (en) * 2001-09-28 2004-12-02 Klinke Stefano Ambrosius Speech extender and method for estimating a wideband speech signal using a narrowband speech signal
US6988066B2 (en) * 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
US7191136B2 (en) 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
US20040138876A1 (en) * 2003-01-10 2004-07-15 Nokia Corporation Method and apparatus for artificial bandwidth expansion in speech processing
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
WO2004084182A1 (en) * 2003-03-15 2004-09-30 Mindspeed Technologies, Inc. Decomposition of voiced speech for celp speech coding
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
FI118550B (fi) * 2003-07-14 2007-12-14 Nokia Corp Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä
KR100587953B1 (ko) * 2003-12-26 2006-06-08 한국전자통신연구원 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템
WO2005106848A1 (ja) * 2004-04-30 2005-11-10 Matsushita Electric Industrial Co., Ltd. スケーラブル復号化装置および拡張レイヤ消失隠蔽方法
US7630902B2 (en) * 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
KR100707174B1 (ko) * 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
US20070147518A1 (en) * 2005-02-18 2007-06-28 Bruno Bessette Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX
JP5129117B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 音声信号の高帯域部分を符号化及び復号する方法及び装置
WO2006116025A1 (en) * 2005-04-22 2006-11-02 Qualcomm Incorporated Systems, methods, and apparatus for gain factor smoothing
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US20070005351A1 (en) * 2005-06-30 2007-01-04 Sathyendra Harsha M Method and system for bandwidth expansion for voice communications
CA2558595C (en) * 2005-09-02 2015-05-26 Nortel Networks Limited Method and apparatus for extending the bandwidth of a speech signal
EP1772855B1 (en) * 2005-10-07 2013-09-18 Nuance Communications, Inc. Method for extending the spectral bandwidth of a speech signal
EP1814107B1 (en) * 2006-01-31 2011-10-12 Nuance Communications, Inc. Method for extending the spectral bandwidth of a speech signal and system thereof
US8837446B2 (en) * 2006-05-16 2014-09-16 Autonet Mobile, Inc. Mobile router network with rate limiting
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
US8005671B2 (en) * 2006-12-04 2011-08-23 Qualcomm Incorporated Systems and methods for dynamic normalization to reduce loss in precision for low-level signals
EP1947644B1 (en) 2007-01-18 2019-06-19 Nuance Communications, Inc. Method and apparatus for providing an acoustic signal with extended band-width
JP4984983B2 (ja) * 2007-03-09 2012-07-25 富士通株式会社 符号化装置および符号化方法
CA2698039C (en) * 2007-08-27 2016-05-17 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity spectral analysis/synthesis using selectable time resolution
BRPI0818927A2 (pt) * 2007-11-02 2015-06-16 Huawei Tech Co Ltd Método e aparelho para a decodificação de áudio
US8433582B2 (en) * 2008-02-01 2013-04-30 Motorola Mobility Llc Method and apparatus for estimating high-band energy in a bandwidth extension system
AU2009221443B2 (en) * 2008-03-04 2012-01-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus for mixing a plurality of input data streams
JP2009300707A (ja) * 2008-06-13 2009-12-24 Sony Corp 情報処理装置および方法、並びにプログラム
EP2301028B1 (en) * 2008-07-11 2012-12-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus and a method for calculating a number of spectral envelopes
JP5010743B2 (ja) * 2008-07-11 2012-08-29 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 スペクトル傾斜で制御されたフレーミングを使用して帯域拡張データを計算するための装置及び方法
CN102089814B (zh) * 2008-07-11 2012-11-21 弗劳恩霍夫应用研究促进协会 对编码的音频信号进行解码的设备和方法
JP2010079275A (ja) * 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
US9037474B2 (en) * 2008-09-06 2015-05-19 Huawei Technologies Co., Ltd. Method for classifying audio signal into fast signal or slow signal
UA99878C2 (ru) * 2009-01-16 2012-10-10 Долби Интернешнл Аб Гармоническое преобразование, усовершенствованное перекрестным произведением
US8463599B2 (en) * 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
ES2805349T3 (es) * 2009-10-21 2021-02-11 Dolby Int Ab Sobremuestreo en un banco de filtros de reemisor combinado
AU2010310041B2 (en) * 2009-10-21 2013-08-15 Dolby International Ab Apparatus and method for generating a high frequency audio signal using adaptive oversampling
US8484020B2 (en) 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
JP5314771B2 (ja) * 2010-01-08 2013-10-16 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラムおよび記録媒体
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
EP2830062B1 (en) * 2012-03-21 2019-11-20 Samsung Electronics Co., Ltd. Method and apparatus for high-frequency encoding/decoding for bandwidth extension
CN105976830B (zh) * 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
CN104517610B (zh) * 2013-09-26 2018-03-06 华为技术有限公司 频带扩展的方法及装置
KR102271852B1 (ko) * 2013-11-02 2021-07-01 삼성전자주식회사 광대역 신호 생성방법 및 장치와 이를 채용하는 기기
US9564141B2 (en) 2014-02-13 2017-02-07 Qualcomm Incorporated Harmonic bandwidth extension of audio signals
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

Also Published As

Publication number Publication date
CL2017003157A1 (es) 2018-06-01
US9837089B2 (en) 2017-12-05
NZ737172A (en) 2019-10-25
US20160372125A1 (en) 2016-12-22
JP6794379B2 (ja) 2020-12-02
PH12017502232A1 (en) 2018-06-11
SA517390520B1 (ar) 2020-07-19
MX2017015416A (es) 2018-03-01
BR112017027364B1 (pt) 2023-12-26
TWI631555B (zh) 2018-08-01
KR20180019583A (ko) 2018-02-26
CN107787510B (zh) 2019-08-30
WO2016204956A1 (en) 2016-12-22
ES2978715T3 (es) 2024-09-18
CO2017012876A2 (es) 2018-02-28
EP4390921A2 (en) 2024-06-26
AU2016278851A1 (en) 2017-11-30
ZA201708559B (en) 2020-01-29
CA2986435A1 (en) 2016-12-22
EP4390921A3 (en) 2024-07-31
KR101951588B1 (ko) 2019-02-22
RU2667460C1 (ru) 2018-09-19
EP3311381C0 (en) 2024-04-03
MY182303A (en) 2021-01-18
BR112017027364A2 (zh) 2018-08-21
CA2986435C (en) 2019-05-28
TW201705126A (zh) 2017-02-01
EP3311381B1 (en) 2024-04-03
EP3311381A1 (en) 2018-04-25
CN107787510A (zh) 2018-03-09
JP2018522272A (ja) 2018-08-09
AU2016278851B2 (en) 2019-05-16

Similar Documents

Publication Publication Date Title
HK1245494B (zh) 高頻帶信號產生
HK1245493A1 (zh) 高頻帶信號產生
GB201707959D0 (en) No details
ZA201607459B (en) High band excitation signal generation
GB201706130D0 (en) No details
GB2526383B (en) Improved sweetener
GB201612542D0 (en) no details
GB201615071D0 (en) No details
GB2538450B (en) Signal system
GB201616225D0 (en) No details
GB201410005D0 (en) Cajon
GB201601286D0 (en) Multi-eptopic construct
GB201601250D0 (en) No details present
GB201708207D0 (en) No details
GB2522037B (en) Test arrangement
GB2538316B (en) PRACH signal generation
GB201702336D0 (en) No details
GB201614498D0 (en) No details
GB201614041D0 (en) Not present
GB201515518D0 (en) Pogo
GB201521840D0 (en) No details
GB201519009D0 (en) Transducer
GB201617092D0 (en) No details
GB201509207D0 (en) Horn arrangement
AU5526P (en) Lompet1 Lomandra longifolia