PL3417544T3 - Procesor końcowy, procesor wstępny, koder audio, dekoder audio i powiązane sposoby ulepszania przetwarzania transjentów - Google Patents

Procesor końcowy, procesor wstępny, koder audio, dekoder audio i powiązane sposoby ulepszania przetwarzania transjentów

Info

Publication number
PL3417544T3
PL3417544T3 PL17703771T PL17703771T PL3417544T3 PL 3417544 T3 PL3417544 T3 PL 3417544T3 PL 17703771 T PL17703771 T PL 17703771T PL 17703771 T PL17703771 T PL 17703771T PL 3417544 T3 PL3417544 T3 PL 3417544T3
Authority
PL
Poland
Prior art keywords
processor
post
audio
related methods
transient processing
Prior art date
Application number
PL17703771T
Other languages
English (en)
Inventor
Florin Ghido
Sascha Disch
Jürgen HERRE
Alexander Adami
Franz REUTELHUBER
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3417544T3 publication Critical patent/PL3417544T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/005Tone control or bandwidth control in amplifiers of digital signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/16Automatic control
    • H03G5/165Equalizers; Volume or gain control in limited frequency bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
PL17703771T 2016-02-17 2017-02-10 Procesor końcowy, procesor wstępny, koder audio, dekoder audio i powiązane sposoby ulepszania przetwarzania transjentów PL3417544T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16156200 2016-02-17
PCT/EP2017/053068 WO2017140600A1 (en) 2016-02-17 2017-02-10 Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
EP17703771.0A EP3417544B1 (en) 2016-02-17 2017-02-10 Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing

Publications (1)

Publication Number Publication Date
PL3417544T3 true PL3417544T3 (pl) 2020-06-29

Family

ID=55361427

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17703771T PL3417544T3 (pl) 2016-02-17 2017-02-10 Procesor końcowy, procesor wstępny, koder audio, dekoder audio i powiązane sposoby ulepszania przetwarzania transjentów

Country Status (18)

Country Link
US (3) US10720170B2 (pl)
EP (2) EP3627507A1 (pl)
JP (2) JP6603414B2 (pl)
KR (1) KR102067044B1 (pl)
CN (1) CN107925388B (pl)
AR (1) AR107662A1 (pl)
AU (1) AU2017219696B2 (pl)
BR (1) BR112017024480A2 (pl)
CA (1) CA2985019C (pl)
ES (1) ES2771200T3 (pl)
MX (1) MX371223B (pl)
MY (1) MY191093A (pl)
PL (1) PL3417544T3 (pl)
PT (1) PT3417544T (pl)
RU (1) RU2685024C1 (pl)
TW (1) TWI618053B (pl)
WO (1) WO2017140600A1 (pl)
ZA (1) ZA201707336B (pl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017050398A1 (en) * 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
WO2017080835A1 (en) * 2015-11-10 2017-05-18 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
JP6603414B2 (ja) * 2016-02-17 2019-11-06 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー.ファオ. 過渡処理を高めるためのポストプロセッサ、プレプロセッサ、オーディオ符号器、オーディオ復号器、及び関連する方法
US10559315B2 (en) * 2018-03-28 2020-02-11 Qualcomm Incorporated Extended-range coarse-fine quantization for audio coding
CN112771610A (zh) * 2018-08-21 2021-05-07 杜比国际公司 用压扩对密集瞬态事件进行译码
US20200402523A1 (en) * 2019-06-24 2020-12-24 Qualcomm Incorporated Psychoacoustic audio coding of ambisonic audio data
US11545166B2 (en) 2019-07-02 2023-01-03 Dolby International Ab Using metadata to aggregate signal processing operations
US11032644B2 (en) 2019-10-10 2021-06-08 Boomcloud 360, Inc. Subband spatial and crosstalk processing using spectrally orthogonal audio components
CN113272895A (zh) 2019-12-16 2021-08-17 谷歌有限责任公司 音频编码中的与振幅无关的窗口大小
CN111916090B (zh) * 2020-08-17 2024-03-05 北京百瑞互联技术股份有限公司 一种lc3编码器近奈奎斯特频率信号检测方法、检测器、存储介质及设备
TWI772930B (zh) * 2020-10-21 2022-08-01 美商音美得股份有限公司 適合即時應用之分析濾波器組及其運算程序、基於分析濾波器組之信號處理系統及程序
WO2022097242A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
JPWO2022097240A1 (pl) * 2020-11-05 2022-05-12
US11837244B2 (en) 2021-03-29 2023-12-05 Invictumtech Inc. Analysis filter bank and computing procedure thereof, analysis filter bank based signal processing system and procedure suitable for real-time applications
CN115512711A (zh) * 2021-06-22 2022-12-23 腾讯科技(深圳)有限公司 语音编码、语音解码方法、装置、计算机设备和存储介质
CN118038877A (zh) * 2022-11-01 2024-05-14 抖音视界有限公司 一种音频信号的编码、解码方法及装置
CN115866487B (zh) * 2022-12-30 2023-08-11 广州市韵强电子有限公司 一种基于均衡放大的音响功放方法及系统

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413573B (sv) * 1977-10-07 1980-06-02 Transcale Ab Elektronisk apparat
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
GB2293734B (en) * 1994-09-20 1997-04-09 Ricoh Kk Method for compression using reversible embedded wavelets
CA2185745C (en) * 1995-09-19 2001-02-13 Juin-Hwey Chen Synthesis of speech signals in the absence of coded parameters
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
JP4281131B2 (ja) * 1998-10-22 2009-06-17 ソニー株式会社 信号符号化装置及び方法、並びに信号復号装置及び方法
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
FI109393B (fi) * 2000-07-14 2002-07-15 Nokia Corp Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite
ES2237706T3 (es) * 2001-11-29 2005-08-01 Coding Technologies Ab Reconstruccion de componentes de alta frecuencia.
US7072477B1 (en) * 2002-07-09 2006-07-04 Apple Computer, Inc. Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
KR100636145B1 (ko) * 2004-06-04 2006-10-18 삼성전자주식회사 확장된 고해상도 오디오 신호 부호화 및 복호화 장치
EP1803953B1 (en) * 2004-09-10 2013-11-06 NTN Corporation Bearing device for wheel, having rotation speed detection device
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
JP5542306B2 (ja) * 2005-01-11 2014-07-09 コーニンクレッカ フィリップス エヌ ヴェ オーディオ信号のスケーラブル符号化及び復号
NZ562183A (en) 2005-04-01 2010-09-30 Qualcomm Inc Systems, methods, and apparatus for highband excitation generation
EP1829424B1 (en) 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
JP4876574B2 (ja) * 2005-12-26 2012-02-15 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
DE602006021347D1 (de) 2006-03-28 2011-05-26 Fraunhofer Ges Forschung Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion
US7899192B2 (en) * 2006-04-22 2011-03-01 Oxford J Craig Method for dynamically adjusting the spectral content of an audio signal
US20080300866A1 (en) * 2006-05-31 2008-12-04 Motorola, Inc. Method and system for creation and use of a wideband vocoder database for bandwidth extension of voice
WO2008009175A1 (fr) * 2006-07-14 2008-01-24 Anyka (Guangzhou) Software Technologiy Co., Ltd. Rocédé et un système de codage et décodage audio canal à rétrocompatibilité d'après la règle d'entropie maximale
US8126721B2 (en) * 2006-10-18 2012-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
US8554548B2 (en) * 2007-03-02 2013-10-08 Panasonic Corporation Speech decoding apparatus and speech decoding method including high band emphasis processing
RU2483366C2 (ru) * 2008-07-11 2013-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Устройство и способ декодирования кодированного звукового сигнала
EP4372745A1 (en) * 2008-07-11 2024-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program
EP2352225A1 (en) * 2008-10-17 2011-08-03 Sharp Kabushiki Kaisha Audio signal adjustment device and audio signal adjustment method
US8392200B2 (en) * 2009-04-14 2013-03-05 Qualcomm Incorporated Low complexity spectral band replication (SBR) filterbanks
RU2596033C2 (ru) * 2010-03-09 2016-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ получения улучшенной частотной характеристики и временного фазирования способом расширения полосы аудио сигналов в фазовом вокодере
CN103069484B (zh) * 2010-04-14 2014-10-08 华为技术有限公司 时/频二维后处理
US8886523B2 (en) * 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
CN101964189B (zh) 2010-04-28 2012-08-08 华为技术有限公司 语音频信号切换方法及装置
US8600737B2 (en) 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
JP5743137B2 (ja) * 2011-01-14 2015-07-01 ソニー株式会社 信号処理装置および方法、並びにプログラム
EP3407352B9 (en) * 2011-02-18 2022-08-10 Ntt Docomo, Inc. Speech decoder, speech encoder, speech decoding method, speech encoding method, speech decoding program, and speech encoding program
CN103366751B (zh) * 2012-03-28 2015-10-14 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
WO2014021890A1 (en) * 2012-08-01 2014-02-06 Dolby Laboratories Licensing Corporation Percentile filtering of noise reduction gains
PL2936484T3 (pl) * 2013-01-29 2018-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do przetwarzania zakodowanego sygnału i koder i sposób do generowania zakodowanego sygnału
US9741350B2 (en) 2013-02-08 2017-08-22 Qualcomm Incorporated Systems and methods of performing gain control
EP3564953B1 (en) * 2013-04-05 2022-03-23 Dolby Laboratories Licensing Corporation Apparatus and methods for expanding and compressing to reduce quantization noise using advanced spectral extension
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
US20150149157A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Frequency domain gain shape estimation
CN104269173B (zh) * 2014-09-30 2018-03-13 武汉大学深圳研究院 切换模式的音频带宽扩展装置与方法
JP6603414B2 (ja) * 2016-02-17 2019-11-06 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー.ファオ. 過渡処理を高めるためのポストプロセッサ、プレプロセッサ、オーディオ符号器、オーディオ復号器、及び関連する方法

Also Published As

Publication number Publication date
ZA201707336B (en) 2019-02-27
TWI618053B (zh) 2018-03-11
CA2985019A1 (en) 2017-08-24
RU2685024C1 (ru) 2019-04-16
JP2020024440A (ja) 2020-02-13
US20180190303A1 (en) 2018-07-05
CA2985019C (en) 2022-05-03
BR112017024480A2 (pt) 2018-07-24
ES2771200T3 (es) 2020-07-06
AR107662A1 (es) 2018-05-23
EP3627507A1 (en) 2020-03-25
PT3417544T (pt) 2020-03-02
JP2019500641A (ja) 2019-01-10
JP7007344B2 (ja) 2022-01-24
US20200090670A1 (en) 2020-03-19
AU2017219696A1 (en) 2017-11-16
CN107925388A (zh) 2018-04-17
US11094331B2 (en) 2021-08-17
MY191093A (en) 2022-05-30
JP6603414B2 (ja) 2019-11-06
TW201732784A (zh) 2017-09-16
US10720170B2 (en) 2020-07-21
CN107925388B (zh) 2021-11-30
US20200402520A1 (en) 2020-12-24
EP3417544A1 (en) 2018-12-26
WO2017140600A1 (en) 2017-08-24
KR20180016417A (ko) 2018-02-14
AU2017219696B2 (en) 2018-11-08
MX2017014734A (es) 2018-06-28
MX371223B (es) 2020-01-09
KR102067044B1 (ko) 2020-01-17
EP3417544B1 (en) 2019-12-04

Similar Documents

Publication Publication Date Title
ZA201707336B (en) Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
EP3371808B8 (en) Speech processing system and method
GB201719095D0 (en) Content tracking system and method
GB2523348B (en) Encoder, decoder and method
GB2527607B (en) Encoder, decoder and method
EP3562160A4 (en) ENCODING DEVICE, METHOD AND PROGRAM, AND DECODING DEVICE, METHOD AND PROGRAM
EP3389285A4 (en) Speech processing device, method, and program
HK1259289A1 (zh) 用於處理音頻信號的方法和裝置,音頻解碼器和音頻編碼器
EP3407061A4 (en) METHOD FOR PROCESSING CHROMATOGRAPHIC DATA-MASS SPECTROMETRY AND PROCESSING DEVICE
GB2523347B (en) Encoder, decoder and method
GB201414007D0 (en) Encoder, decoder and method
GB201620422D0 (en) Audio processing
EP3298151A4 (en) METHOD AND COMPOSITIONS FOR DETERMINING THE PH VALUE
GB2528460B (en) Encoder, decoder and method
IL254998A0 (en) Audio enhancement processing chip
GB201609316D0 (en) Object-based audio rendering
EP3154279A4 (en) Audio signal processing apparatus and method, encoding apparatus and method, and program
EP3402223A4 (en) Audio processing device and method, and program
EP3402221A4 (en) Audio processing device and method, and program
GB201714881D0 (en) Processing content
GB201714004D0 (en) Method and system for providing content
EP3460656A4 (en) METHOD AND DEVICE FOR DETERMINING A DECODING TASK
EP3239982A4 (en) Audio content segmentation method and apparatus
EP3110151A4 (en) Encoding/decoding processing method and device for image segmentation manner
EP3306463A4 (en) Method and device for processing multimedia