CA2918804C - Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band - Google Patents

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band Download PDF

Info

Publication number
CA2918804C
CA2918804C CA2918804A CA2918804A CA2918804C CA 2918804 C CA2918804 C CA 2918804C CA 2918804 A CA2918804 A CA 2918804A CA 2918804 A CA2918804 A CA 2918804A CA 2918804 C CA2918804 C CA 2918804C
Authority
CA
Canada
Prior art keywords
spectral
reconstruction band
information
energy
frequency
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.)
Active
Application number
CA2918804A
Other languages
English (en)
French (fr)
Other versions
CA2918804A1 (en
Inventor
Andreas NIEDERMEIER
Christian Ertel
Ralf Geiger
Florin Ghido
Christian Helmrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of CA2918804A1 publication Critical patent/CA2918804A1/en
Application granted granted Critical
Publication of CA2918804C publication Critical patent/CA2918804C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • G10L19/0204—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
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
CA2918804A 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band Active CA2918804C (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
EPEP13177350 2013-07-22
EPEP13177348 2013-07-22
EPEP13177353 2013-07-22
EP13177353 2013-07-22
EP13177346 2013-07-22
EP13177348 2013-07-22
EP13177350 2013-07-22
EPEP13177346 2013-07-22
EPEP13189374 2013-10-18
EP13189374.5A EP2830059A1 (en) 2013-07-22 2013-10-18 Noise filling energy adjustment
PCT/EP2014/065110 WO2015010949A1 (en) 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

Publications (2)

Publication Number Publication Date
CA2918804A1 CA2918804A1 (en) 2015-01-29
CA2918804C true CA2918804C (en) 2018-06-12

Family

ID=49385156

Family Applications (8)

Application Number Title Priority Date Filing Date
CA2918804A Active CA2918804C (en) 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
CA2918810A Active CA2918810C (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal
CA2886505A Active CA2886505C (en) 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
CA2918807A Active CA2918807C (en) 2013-07-22 2014-07-15 Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
CA2918524A Active CA2918524C (en) 2013-07-22 2014-07-15 Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
CA2973841A Active CA2973841C (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal
CA2918835A Active CA2918835C (en) 2013-07-22 2014-07-15 Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
CA2918701A Active CA2918701C (en) 2013-07-22 2014-07-15 Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Family Applications After (7)

Application Number Title Priority Date Filing Date
CA2918810A Active CA2918810C (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal
CA2886505A Active CA2886505C (en) 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
CA2918807A Active CA2918807C (en) 2013-07-22 2014-07-15 Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
CA2918524A Active CA2918524C (en) 2013-07-22 2014-07-15 Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
CA2973841A Active CA2973841C (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal
CA2918835A Active CA2918835C (en) 2013-07-22 2014-07-15 Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
CA2918701A Active CA2918701C (en) 2013-07-22 2014-07-15 Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Country Status (19)

Country Link
US (24) US10332539B2 (enExample)
EP (20) EP2830059A1 (enExample)
JP (12) JP6306702B2 (enExample)
KR (7) KR101681253B1 (enExample)
CN (12) CN105453176B (enExample)
AU (7) AU2014295296B2 (enExample)
BR (12) BR112016000740B1 (enExample)
CA (8) CA2918804C (enExample)
ES (9) ES2908624T3 (enExample)
MX (7) MX355448B (enExample)
MY (6) MY177860A (enExample)
PL (8) PL2883227T3 (enExample)
PT (7) PT3025328T (enExample)
RU (7) RU2646316C2 (enExample)
SG (7) SG11201600464WA (enExample)
TR (1) TR201816157T4 (enExample)
TW (7) TWI555008B (enExample)
WO (7) WO2015010954A1 (enExample)
ZA (5) ZA201502262B (enExample)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0726265Y2 (ja) 1986-06-20 1995-06-14 三菱自動車工業株式会社 スイングア−ム式パ−ツ搬送装置
MY197538A (en) 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830059A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
KR101790641B1 (ko) 2013-08-28 2017-10-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 하이브리드 파형-코딩 및 파라미터-코딩된 스피치 인핸스
FR3011408A1 (fr) * 2013-09-30 2015-04-03 Orange Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
AR099761A1 (es) * 2014-03-14 2016-08-17 ERICSSON TELEFON AB L M (publ) Método y aparato para codificación de audio
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
WO2016091893A1 (en) * 2014-12-09 2016-06-16 Dolby International Ab Mdct-domain error concealment
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
TWI856342B (zh) 2015-03-13 2024-09-21 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
GB201504403D0 (en) 2015-03-16 2015-04-29 Microsoft Technology Licensing Llc Adapting encoded bandwidth
EP3107096A1 (en) * 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downscaled decoding
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
EP3171362B1 (en) * 2015-11-19 2019-08-28 Harman Becker Automotive Systems GmbH Bass enhancement and separation of an audio signal into a harmonic and transient signal component
EP3182411A1 (en) 2015-12-14 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an encoded audio signal
ES2932053T3 (es) * 2016-01-22 2023-01-09 Fraunhofer Ges Forschung Codificación de audio estéreo con normalización basada en ild antes de la decisión media/lateral
WO2017125562A1 (en) * 2016-01-22 2017-07-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization
EP3208800A1 (en) 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
DE102016104665A1 (de) 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
WO2017164881A1 (en) * 2016-03-24 2017-09-28 Harman International Industries, Incorporated Signal quality-based enhancement and compensation of compressed audio signals
US10141005B2 (en) 2016-06-10 2018-11-27 Apple Inc. Noise detection and removal systems, and related methods
JP6976277B2 (ja) 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
US10249307B2 (en) 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
US10812550B1 (en) * 2016-08-03 2020-10-20 Amazon Technologies, Inc. Bitrate allocation for a multichannel media stream
EP3288031A1 (en) 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding an audio signal using a compensation value
US9679578B1 (en) 2016-08-31 2017-06-13 Sorenson Ip Holdings, Llc Signal clipping compensation
EP3306609A1 (en) * 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
US10362423B2 (en) 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding
EP3324406A1 (en) * 2016-11-17 2018-05-23 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for decomposing an audio signal using a variable threshold
JP6769299B2 (ja) * 2016-12-27 2020-10-14 富士通株式会社 オーディオ符号化装置およびオーディオ符号化方法
US10090892B1 (en) * 2017-03-20 2018-10-02 Intel Corporation Apparatus and a method for data detecting using a low bit analog-to-digital converter
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
US10354669B2 (en) 2017-03-22 2019-07-16 Immersion Networks, Inc. System and method for processing audio data
EP3382701A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using prediction based shaping
EP3382700A1 (en) 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using a transient location detection
EP3382702A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal
CN110710181B (zh) 2017-05-18 2022-09-23 弗劳恩霍夫应用研究促进协会 管理网络设备
US11188422B2 (en) 2017-06-02 2021-11-30 Apple Inc. Techniques for preserving clone relationships between files
AU2018289986B2 (en) * 2017-06-19 2022-06-09 Rtx A/S Audio signal encoding and decoding
JP7257975B2 (ja) 2017-07-03 2023-04-14 ドルビー・インターナショナル・アーベー 密集性の過渡事象の検出及び符号化の複雑さの低減
JP6904209B2 (ja) * 2017-07-28 2021-07-14 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法およびオーディオ符号化プログラム
JP7214726B2 (ja) * 2017-10-27 2023-01-30 フラウンホッファー－ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ ニューラルネットワークプロセッサを用いた帯域幅が拡張されたオーディオ信号を生成するための装置、方法またはコンピュータプログラム
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
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
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
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
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
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
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
US11771779B2 (en) * 2018-01-26 2023-10-03 Hadasit Medical Research Services & Development Limited Non-metallic magnetic resonance contrast agent
TWI702594B (zh) * 2018-01-26 2020-08-21 瑞典商都比國際公司 用於音訊信號之高頻重建技術之回溯相容整合
CN111699701B (zh) * 2018-02-09 2021-07-13 三菱电机株式会社 声音信号处理装置和声音信号处理方法
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
IL319703A (en) * 2018-04-25 2025-05-01 Dolby Int Ab Combining high-frequency reconstruction techniques with reduced post-processing delay
KR20250130700A (ko) 2018-04-25 2025-09-02 돌비 인터네셔널 에이비 고주파 오디오 재구성 기술의 통합
EP3576088A1 (en) * 2018-05-30 2019-12-04 Fraunhofer Gesellschaft zur Förderung der Angewand Audio similarity evaluator, audio encoder, methods and computer program
AU2019298307A1 (en) * 2018-07-04 2021-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal audio coding using signal whitening as preprocessing
CN109088617B (zh) * 2018-09-20 2021-06-04 电子科技大学 比率可变数字重采样滤波器
US10847172B2 (en) * 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
US10957331B2 (en) 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
EP3671741A1 (en) * 2018-12-21 2020-06-24 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Audio processor and method for generating a frequency-enhanced audio signal using pulse processing
JP7262593B2 (ja) * 2019-01-13 2023-04-21 華為技術有限公司 ハイレゾリューションオーディオ符号化
WO2020146870A1 (en) * 2019-01-13 2020-07-16 Huawei Technologies Co., Ltd. High resolution audio coding
JP7354275B2 (ja) * 2019-03-14 2023-10-02 ブームクラウド ３６０ インコーポレイテッド 優先度を持つ空間認識マルチバンド圧縮システム
WO2020207593A1 (en) 2019-04-11 2020-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program
CN110265043B (zh) * 2019-06-03 2021-06-01 同响科技股份有限公司 自适应有损或无损的音频压缩和解压缩演算方法
WO2020253941A1 (en) * 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
BR112022000466A2 (pt) 2019-07-30 2022-03-03 Dolby Int Ab Controle de cancelamento de eco acústico para dispositivos de áudio distribuído
DE102020210917B4 (de) 2019-08-30 2023-10-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Verbesserter M/S-Stereo-Codierer und -Decodierer
IL291655B2 (en) 2019-10-30 2025-01-01 Dolby Laboratories Licensing Corp Data rate decentralization in embedded voice and audio services
TWI702780B (zh) * 2019-12-03 2020-08-21 財團法人工業技術研究院 提升共模瞬變抗擾度的隔離器及訊號產生方法
CN111862953B (zh) * 2019-12-05 2023-08-22 北京嘀嘀无限科技发展有限公司 语音识别模型的训练方法、语音识别方法及装置
US11158297B2 (en) * 2020-01-13 2021-10-26 International Business Machines Corporation Timbre creation system
CN113192517B (zh) * 2020-01-13 2024-04-26 华为技术有限公司 一种音频编解码方法和音频编解码设备
WO2021154211A1 (en) * 2020-01-28 2021-08-05 Hewlett-Packard Development Company, L.P. Multi-channel decomposition and harmonic synthesis
CN111199743B (zh) * 2020-02-28 2023-08-18 Oppo广东移动通信有限公司 音频编码格式确定方法、装置、存储介质及电子设备
CN111429925B (zh) * 2020-04-10 2023-04-07 北京百瑞互联技术有限公司 一种降低音频编码速率的方法及系统
CN113593586B (zh) * 2020-04-15 2025-01-10 华为技术有限公司 音频信号编码方法、解码方法、编码设备以及解码设备
CN113539281B (zh) * 2020-04-21 2024-09-06 华为技术有限公司 音频信号编码方法和装置
CN111371459B (zh) * 2020-04-26 2023-04-18 宁夏隆基宁光仪表股份有限公司 一种适用于智能电表的多操作高频替换式数据压缩方法
CN113782040B (zh) * 2020-05-22 2024-07-30 华为技术有限公司 基于心理声学的音频编码方法及装置
CN113808597B (zh) * 2020-05-30 2024-10-29 华为技术有限公司 一种音频编码方法和音频编码装置
CN113808596B (zh) * 2020-05-30 2025-01-03 华为技术有限公司 一种音频编码方法和音频编码装置
HUE071538T2 (hu) * 2020-06-11 2025-09-28 Dolby Laboratories Licensing Corp Eljárások és eszközök térbeli háttérzaj kódolására és dekódolására egy többcsatornás bemeneti jelben
WO2021258350A1 (zh) * 2020-06-24 2021-12-30 华为技术有限公司 一种音频信号处理方法和装置
EP4193357A1 (en) * 2020-08-28 2023-06-14 Google LLC Maintaining invariance of sensory dissonance and sound localization cues in audio codecs
WO2022065981A1 (ko) * 2020-09-28 2022-03-31 삼성전자 주식회사 동영상 처리 장치 및 방법
KR20230119192A (ko) * 2020-12-16 2023-08-16 리슨 테크놀로지스 인코포레이티드 스테레오 헤드폰 심리음향 음 위치측정 시스템 및 이를사용한 스테레오 심리음향 음 신호를 재구성하기 위한 방법
CN113113033B (zh) * 2021-04-29 2025-03-07 腾讯音乐娱乐科技（深圳）有限公司 一种音频处理方法、设备及可读存储介质
CN113365189B (zh) * 2021-06-04 2022-08-05 上海傅硅电子科技有限公司 多声道无缝切换方法
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
WO2022268347A1 (en) * 2021-06-24 2022-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for removing undesired auditory roughness
EP4120253A1 (en) * 2021-07-14 2023-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Integral band-wise parametric coder
CN113593604B (zh) * 2021-07-22 2024-07-19 腾讯音乐娱乐科技（深圳）有限公司 检测音频质量方法、装置及存储介质
CN115691514A (zh) * 2021-07-29 2023-02-03 华为技术有限公司 一种多声道信号的编解码方法和装置
CN115691521A (zh) * 2021-07-29 2023-02-03 华为技术有限公司 一种音频信号的编解码方法和装置
TWI794002B (zh) * 2022-01-28 2023-02-21 緯創資通股份有限公司 多媒體系統以及多媒體操作方法
CN114582361B (zh) * 2022-04-29 2022-07-08 北京百瑞互联技术有限公司 基于生成对抗网络的高解析度音频编解码方法及系统
EP4500524A1 (en) * 2022-05-17 2025-02-05 Google LLC Asymmetric and adaptive strength for windowing at encoding and decoding time for audio compression
EP4303872A1 (de) * 2022-07-07 2024-01-10 Technische Universität München Kodierungsvorrichtung und kodierungsverfahren zur mehrkanalkodierung von vibrotaktilen signalen sowie dekodierung und dekodierungsverfahren
WO2024085551A1 (ko) * 2022-10-16 2024-04-25 삼성전자주식회사 패킷 손실 은닉을 위한 전자 장치 및 방법
WO2024233649A2 (en) * 2023-05-08 2024-11-14 APS Technology 1 LLC Parallel data encoding and decoding
US20240379090A1 (en) * 2023-05-12 2024-11-14 Gaudio Lab, Inc. Audio signal processing method and apparatus
CN116612782B (zh) * 2023-05-26 2025-09-26 平安科技（深圳）有限公司 基于自注意力的音频美化方法、装置、设备及存储介质

Family Cites Families (266)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234435A (ja) * 1986-04-04 1987-10-14 Kokusai Denshin Denwa Co Ltd <Kdd> 符号化音声の復号化方式
US6289308B1 (en) 1990-06-01 2001-09-11 U.S. Philips Corporation Encoded wideband digital transmission signal and record carrier recorded with such a signal
JP3465697B2 (ja) * 1993-05-31 2003-11-10 ソニー株式会社 信号記録媒体
KR100395190B1 (ko) 1993-05-31 2003-08-21 소니 가부시끼 가이샤 신호 부호화 또는 복호화 장치, 및 신호 부호화 또는복호화 방법
TW272341B (enExample) * 1993-07-16 1996-03-11 Sony Co Ltd
GB2281680B (en) 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
BE1007617A3 (nl) * 1993-10-11 1995-08-22 Philips Electronics Nv Transmissiesysteem met gebruik van verschillende codeerprincipes.
US5502713A (en) * 1993-12-07 1996-03-26 Telefonaktiebolaget Lm Ericsson Soft error concealment in a TDMA radio system
JPH07336231A (ja) * 1994-06-13 1995-12-22 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
DE69619284T3 (de) * 1995-03-13 2006-04-27 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur Erweiterung der Sprachbandbreite
AU5663296A (en) 1995-04-10 1996-10-30 Corporate Computer Systems, Inc. System for compression and decompression of audio signals fo r digital transmission
JP3747492B2 (ja) 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
JP3246715B2 (ja) * 1996-07-01 2002-01-15 松下電器産業株式会社 オーディオ信号圧縮方法，およびオーディオ信号圧縮装置
JPH10124088A (ja) * 1996-10-24 1998-05-15 Sony Corp 音声帯域幅拡張装置及び方法
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US6253172B1 (en) * 1997-10-16 2001-06-26 Texas Instruments Incorporated Spectral transformation of acoustic signals
US5913191A (en) 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
US6029126A (en) * 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
US6253165B1 (en) * 1998-06-30 2001-06-26 Microsoft Corporation System and method for modeling probability distribution functions of transform coefficients of encoded signal
US6453289B1 (en) 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6400310B1 (en) * 1998-10-22 2002-06-04 Washington University Method and apparatus for a tunable high-resolution spectral estimator
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
JP3762579B2 (ja) 1999-08-05 2006-04-05 株式会社リコー デジタル音響信号符号化装置、デジタル音響信号符号化方法及びデジタル音響信号符号化プログラムを記録した媒体
US6978236B1 (en) 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
WO2001037263A1 (en) * 1999-11-16 2001-05-25 Koninklijke Philips Electronics N.V. Wideband audio transmission system
US7742927B2 (en) 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
BRPI0113271B1 (pt) * 2000-08-16 2016-01-26 Dolby Lab Licensing Corp método para modificar a operação da função codificadora e/ou da função decodificadora de um sistema de codificação perceptual de acordo com informação suplementar
US7003467B1 (en) 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
WO2002058053A1 (fr) 2001-01-22 2002-07-25 Kanars Data Corporation Procede de codage et procede de decodage pour donnees vocales numeriques
JP2002268693A (ja) 2001-03-12 2002-09-20 Mitsubishi Electric Corp オーディオ符号化装置
SE522553C2 (sv) 2001-04-23 2004-02-17 Ericsson Telefon Ab L M Bandbreddsutsträckning av akustiska signaler
US6934676B2 (en) 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
JP2003108197A (ja) * 2001-07-13 2003-04-11 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置およびオーディオ信号符号化装置
MXPA03002115A (es) * 2001-07-13 2003-08-26 Matsushita Electric Industrial Co Ltd DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.
KR20040048978A (ko) * 2001-10-25 2004-06-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 감소된 대역폭을 가진 전송 채널 상에 광대역 오디오신호들을 전송하는 방법
JP3923783B2 (ja) * 2001-11-02 2007-06-06 松下電器産業株式会社 符号化装置及び復号化装置
JP4308229B2 (ja) 2001-11-14 2009-08-05 パナソニック株式会社 符号化装置および復号化装置
ATE288617T1 (de) 2001-11-29 2005-02-15 Coding Tech Ab Wiederherstellung von hochfrequenzkomponenten
US7146313B2 (en) 2001-12-14 2006-12-05 Microsoft Corporation Techniques for measurement of perceptual audio quality
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
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
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7437299B2 (en) 2002-04-10 2008-10-14 Koninklijke Philips Electronics N.V. Coding of stereo signals
US20030220800A1 (en) * 2002-05-21 2003-11-27 Budnikov Dmitry N. Coding multichannel audio signals
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US20050157891A1 (en) 2002-06-12 2005-07-21 Johansen Lars G. Method of digital equalisation of a sound from loudspeakers in rooms and use of the method
KR100462615B1 (ko) * 2002-07-11 2004-12-20 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
ATE449405T1 (de) 2002-09-04 2009-12-15 Microsoft Corp Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
KR100501930B1 (ko) * 2002-11-29 2005-07-18 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
US7318027B2 (en) 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
RU2244386C2 (ru) 2003-03-28 2005-01-10 Корпорация "Самсунг Электроникс" Способ восстановления высокочастотной составляющей аудиосигнала и устройство для его реализации
BRPI0409337A (pt) 2003-04-17 2006-04-25 Koninkl Philips Electronics Nv método e dispositivo para sintetizar um sinal de áudio de saìda com base em um sinal de áudio de entrada, aparelho para fornecer um sinal de áudio de saìda, e, produto de programa de computador
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
US20050004793A1 (en) 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
CN1839426A (zh) * 2003-09-17 2006-09-27 北京阜国数字技术有限公司 多分辨率矢量量化的音频编解码方法及装置
DE10345995B4 (de) 2003-10-02 2005-07-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten
DE10345996A1 (de) 2003-10-02 2005-04-28 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7519538B2 (en) 2003-10-30 2009-04-14 Koninklijke Philips Electronics N.V. Audio signal encoding or decoding
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE102004007184B3 (de) 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007200B3 (de) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
EP2224430B1 (en) 2004-03-01 2011-10-05 Dolby Laboratories Licensing Corporation Multichannel audio decoding
US7739119B2 (en) 2004-03-02 2010-06-15 Ittiam Systems (P) Ltd. Technique for implementing Huffman decoding
US7272567B2 (en) * 2004-03-25 2007-09-18 Zoran Fejzo Scalable lossless audio codec and authoring tool
EP1852851A1 (en) * 2004-04-01 2007-11-07 Beijing Media Works Co., Ltd An enhanced audio encoding/decoding device and method
CN1677491A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
CN1677493A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
CN1677492A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
KR101135869B1 (ko) * 2004-04-05 2012-04-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수-채널 인코더, 복수-채널 인코더에 포함된 신호 프로세서, 복수-채널 인코더 내에 입력 신호를 인코딩하는 방법, 인코딩 방법에 따라 생성된 인코딩된 출력 데이터, 복수-채널 디코더, 복수-채널 디코더에서의 사용을 위한 신호 프로세서, 복수-채널 디코더에서 인코딩된 데이터를 디코딩하는 방법
US7668711B2 (en) 2004-04-23 2010-02-23 Panasonic Corporation Coding equipment
CN1947174B (zh) * 2004-04-27 2012-03-14 松下电器产业株式会社 可扩展编码装置、可扩展解码装置、可扩展编码方法以及可扩展解码方法
DE102004021403A1 (de) * 2004-04-30 2005-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung
KR20070012832A (ko) * 2004-05-19 2007-01-29 마츠시타 덴끼 산교 가부시키가이샤 부호화 장치, 복호화 장치 및 이들의 방법
US7649988B2 (en) 2004-06-15 2010-01-19 Acoustic Technologies, Inc. Comfort noise generator using modified Doblinger noise estimate
JP2006003580A (ja) * 2004-06-17 2006-01-05 Matsushita Electric Ind Co Ltd オーディオ信号符号化装置及びオーディオ信号符号化方法
JP4934427B2 (ja) * 2004-07-02 2012-05-16 パナソニック株式会社 音声信号復号化装置及び音声信号符号化装置
US7465389B2 (en) 2004-07-09 2008-12-16 Exxonmobil Research And Engineering Company Production of extra-heavy lube oils from Fischer-Tropsch wax
US6963405B1 (en) 2004-07-19 2005-11-08 Itt Manufacturing Enterprises, Inc. Laser counter-measure using fourier transform imaging spectrometers
KR100608062B1 (ko) * 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
TWI497485B (zh) 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
EP1808684B1 (en) 2004-11-05 2014-07-30 Panasonic Intellectual Property Corporation of America Scalable decoding apparatus
EP2752849B1 (en) * 2004-11-05 2020-06-03 Panasonic Intellectual Property Management Co., Ltd. Encoder and encoding method
KR100721537B1 (ko) * 2004-12-08 2007-05-23 한국전자통신연구원 광대역 음성 부호화기의 고대역 음성 부호화 장치 및 그방법
WO2006062202A1 (ja) * 2004-12-10 2006-06-15 Matsushita Electric Industrial Co., Ltd. 広帯域符号化装置、広帯域ｌｓｐ予測装置、帯域スケーラブル符号化装置及び広帯域符号化方法
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
UA94041C2 (ru) * 2005-04-01 2011-04-11 Квелкомм Инкорпорейтед Способ и устройство для фильтрации, устраняющей разреженность
PL1869673T3 (pl) 2005-04-01 2011-03-31 Qualcomm Inc Sposoby i urządzenia do kodowania i dekodowania górnopasmowej części sygnału mowy
US7983922B2 (en) 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
TR201821299T4 (tr) 2005-04-22 2019-01-21 Qualcomm Inc Kazanç faktörü yumuşatma için sistemler, yöntemler ve aparat.
US7698143B2 (en) 2005-05-17 2010-04-13 Mitsubishi Electric Research Laboratories, Inc. Constructing broad-band acoustic signals from lower-band acoustic signals
JP2006323037A (ja) * 2005-05-18 2006-11-30 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置
JP5118022B2 (ja) 2005-05-26 2013-01-16 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
US7548853B2 (en) 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
BRPI0612579A2 (pt) * 2005-06-17 2012-01-03 Matsushita Electric Industrial Co., Ltd. pàs-filtro, decodificador e mÉtodo de pàs-filtraÇço
JP2009500656A (ja) 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
US7991272B2 (en) * 2005-07-11 2011-08-02 Lg Electronics Inc. Apparatus and method of processing an audio signal
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
KR100803205B1 (ko) 2005-07-15 2008-02-14 삼성전자주식회사 저비트율 오디오 신호 부호화/복호화 방법 및 장치
JP4640020B2 (ja) 2005-07-29 2011-03-02 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
CN100539437C (zh) * 2005-07-29 2009-09-09 上海杰得微电子有限公司 一种音频编解码器的实现方法
EP1938663A4 (en) 2005-08-30 2010-11-17 Lg Electronics Inc DEVICE FOR ENCODING AND DECODING AUDIO SIGNAL AND CORRESPONDING METHOD
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
KR20070043651A (ko) * 2005-10-20 2007-04-25 엘지전자 주식회사 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
US8620644B2 (en) 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
KR20070046752A (ko) * 2005-10-31 2007-05-03 엘지전자 주식회사 신호 처리 방법 및 장치
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
KR100717058B1 (ko) * 2005-11-28 2007-05-14 삼성전자주식회사 고주파 성분 복원 방법 및 그 장치
US8255207B2 (en) 2005-12-28 2012-08-28 Voiceage Corporation Method and device for efficient frame erasure concealment in speech codecs
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
CN102158198B (zh) * 2006-01-27 2015-04-01 杜比国际公司 滤波器产生器、滤波器系统和提供中间滤波器定义信号的方法
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
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
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
TR201902417T4 (tr) * 2006-07-04 2019-03-21 Dolby Int Ab Bir filtre dönüştürücü ve bir filtre sıkıştırıcı içeren filtre sistemi ve bahsi geçen filtre sisteminin işletimine ilişkin yöntem.
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
US8135047B2 (en) 2006-07-31 2012-03-13 Qualcomm Incorporated Systems and methods for including an identifier with a packet associated with a speech signal
US8260609B2 (en) 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
WO2008031458A1 (en) 2006-09-13 2008-03-20 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for a speech/audio sender and receiver
ATE536612T1 (de) 2006-10-16 2011-12-15 Dolby Int Ab Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung
ATE435480T1 (de) 2006-10-25 2009-07-15 Fraunhofer Ges Forschung Vorrichtung und verfahren zur erzeugung von audio-subband-werten und vorrichtung und verfahren zur erzeugung von zeit-domänen-audio-beispielen
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
US8170359B2 (en) 2006-11-28 2012-05-01 Panasonic Corporation Encoding device and encoding method
WO2008072524A1 (ja) 2006-12-13 2008-06-19 Panasonic Corporation オーディオ信号符号化方法及び復号化方法
US8200351B2 (en) 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
WO2008084427A2 (en) * 2007-01-10 2008-07-17 Koninklijke Philips Electronics N.V. Audio decoder
TW200849219A (en) 2007-02-26 2008-12-16 Qualcomm Inc Systems, methods, and apparatus for signal separation
US20080208575A1 (en) * 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
JP5294713B2 (ja) 2007-03-02 2013-09-18 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
KR101355376B1 (ko) 2007-04-30 2014-01-23 삼성전자주식회사 고주파수 영역 부호화 및 복호화 방법 및 장치
KR101411900B1 (ko) 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
BRPI0813334A2 (pt) 2007-06-08 2014-12-23 Dolby Lab Licensing Corp Derivação híbrida de canais de áudio de som surround pela combinação de forma controlável de componentes de sinal de ambiente e decodificado com matriz.
US7774205B2 (en) 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
CN101325059B (zh) * 2007-06-15 2011-12-21 华为技术有限公司 语音编解码收发方法及装置
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8428957B2 (en) * 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
DK3401907T3 (da) 2007-08-27 2020-03-02 Ericsson Telefon Ab L M Fremgangsmåde og indretning til perceptuel spektral afkodning af et audiosignal omfattende udfyldning af spektrale huller
BRPI0815972B1 (pt) * 2007-08-27 2020-02-04 Ericsson Telefon Ab L M método para recuperação de espectro em decodificação espectral de um sinal de áudio, método para uso em codificação espectral de um sinal de áudio, decodificador, e, codificador
DE102007048973B4 (de) 2007-10-12 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung
US8527265B2 (en) * 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
KR101373004B1 (ko) * 2007-10-30 2014-03-26 삼성전자주식회사 고주파수 신호 부호화 및 복호화 장치 및 방법
US9177569B2 (en) * 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
KR101290622B1 (ko) * 2007-11-02 2013-07-29 후아웨이 테크놀러지 컴퍼니 리미티드 오디오 복호화 방법 및 장치
BRPI0820488A2 (pt) 2007-11-21 2017-05-23 Lg Electronics Inc método e equipamento para processar um sinal
US8688441B2 (en) * 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
JP5485909B2 (ja) 2007-12-31 2014-05-07 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
US20090180531A1 (en) 2008-01-07 2009-07-16 Radlive Ltd. codec with plc capabilities
KR101413967B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치
WO2009096898A1 (en) 2008-01-31 2009-08-06 Agency For Science, Technology And Research Method and device of bitrate distribution/truncation for scalable audio coding
ES2404563T3 (es) * 2008-02-14 2013-05-28 Dolby Laboratories Licensing Corporation Ampliación estereofónica
EP2378518B1 (en) * 2008-03-04 2018-01-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mixing of input data streams and generation of an output data stream therefrom
EP2252996A4 (en) * 2008-03-05 2012-01-11 Voiceage Corp SYSTEM AND METHOD FOR ENHANCING A DECODED TONAL SIGNAL SIGNAL
ES2895268T3 (es) 2008-03-20 2022-02-18 Fraunhofer Ges Forschung Aparato y método para modificar una representación parametrizada
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
KR101414412B1 (ko) * 2008-05-09 2014-07-01 노키아 코포레이션 오디오 신호의 인코딩 장치, 오디오 신호의 디코딩 장치, 오디오 신호의 인코딩 방법, 스케일러블 인코딩 오디오 신호의 디코딩 방법, 인코더, 디코더, 전자기기 및 컴퓨터 판독가능한 기록 매체
US20090319263A1 (en) 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
MX2011000367A (es) 2008-07-11 2011-03-02 Fraunhofer Ges Forschung Un aparato y un metodo para calcular una cantidad de envolventes espectrales.
BRPI0904958B1 (pt) 2008-07-11 2020-03-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral
EP2144171B1 (en) * 2008-07-11 2018-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding frames of a sampled audio signal
EP2410521B1 (en) * 2008-07-11 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, method for generating an audio signal and computer program
PT3300076T (pt) * 2008-07-11 2019-07-17 Fraunhofer Ges Forschung Codificador de áudio e descodificador de áudio
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
PL4235660T3 (pl) 2008-07-11 2024-10-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio
MX2011000372A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Sintetizador de señales de audio y codificador de señales de audio.
CA2871252C (en) * 2008-07-11 2015-11-03 Nikolaus Rettelbach Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program
EP2154911A1 (en) 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal
WO2010028292A1 (en) 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Adaptive frequency prediction
US8463603B2 (en) * 2008-09-06 2013-06-11 Huawei Technologies Co., Ltd. Spectral envelope coding of energy attack signal
US8577673B2 (en) 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
JP5295372B2 (ja) * 2008-09-17 2013-09-18 フランス・テレコム デジタルオーディオ信号におけるプリエコーの減衰
EP2169670B1 (en) * 2008-09-25 2016-07-20 LG Electronics Inc. An apparatus for processing an audio signal and method thereof
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
EP4224474B1 (en) 2008-12-15 2023-11-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio bandwidth extension decoder, corresponding method and computer program
EP2360687A4 (en) * 2008-12-19 2012-07-11 Fujitsu Ltd LANGUAGE EXPANSION DEVICE AND LANGUAGE TREATMENT PROCESS
CA2926491C (en) 2009-01-16 2018-08-07 Dolby International Ab Cross product enhanced harmonic transposition
JP4977157B2 (ja) 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
US9082395B2 (en) * 2009-03-17 2015-07-14 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
EP2239732A1 (en) 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
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
CN101521014B (zh) * 2009-04-08 2011-09-14 武汉大学 音频带宽扩展编解码装置
US8391212B2 (en) * 2009-05-05 2013-03-05 Huawei Technologies Co., Ltd. System and method for frequency domain audio post-processing based on perceptual masking
EP2249333B1 (en) * 2009-05-06 2014-08-27 Nuance Communications, Inc. Method and apparatus for estimating a fundamental frequency of a speech signal
CN101556799B (zh) 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
TWI643187B (zh) * 2009-05-27 2018-12-01 瑞典商杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
CN101609680B (zh) * 2009-06-01 2012-01-04 华为技术有限公司 压缩编码和解码的方法、编码器和解码器以及编码装置
EP2273493B1 (en) 2009-06-29 2012-12-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bandwidth extension encoding and decoding
AU2010269127B2 (en) 2009-07-07 2015-01-22 Garrett Thermal Systems Limited Chamber condition
US8793617B2 (en) * 2009-07-30 2014-07-29 Microsoft Corporation Integrating transport modes into a communication stream
WO2011026247A1 (en) 2009-09-04 2011-03-10 Svox Ag Speech enhancement techniques on the power spectrum
GB2473267A (en) 2009-09-07 2011-03-09 Nokia Corp Processing audio signals to reduce noise
KR101425290B1 (ko) * 2009-10-08 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티-모드 오디오 신호 디코더, 멀티-모드 오디오 신호 인코더 및 선형-예측-코딩 기반의 노이즈 성형을 사용하는 방법 및 컴퓨터 프로그램
KR101137652B1 (ko) * 2009-10-14 2012-04-23 광운대학교 산학협력단 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법
EP4358082B1 (en) 2009-10-20 2025-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, corresponding method and computer program
MY167980A (en) 2009-10-20 2018-10-09 Fraunhofer Ges Forschung Multi- mode audio codec and celp coding adapted therefore
EP4648048A3 (en) * 2009-10-21 2025-11-19 Dolby International AB Oversampling in a combined transposer filter bank
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
CA2780971A1 (en) 2009-11-19 2011-05-26 Telefonaktiebolaget L M Ericsson (Publ) Improved excitation signal bandwidth extension
CN102081927B (zh) 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
CN104217724B (zh) 2009-12-07 2017-04-05 杜比实验室特许公司 使用自适应混合变换的多声道音频编码比特流的解码
KR101764926B1 (ko) 2009-12-10 2017-08-03 삼성전자주식회사 음향 통신을 위한 장치 및 방법
EP2513899B1 (en) * 2009-12-16 2018-02-14 Dolby International AB Sbr bitstream parameter downmix
KR101423737B1 (ko) * 2010-01-21 2014-07-24 한국전자통신연구원 오디오 신호의 디코딩 방법 및 장치
CN102194457B (zh) * 2010-03-02 2013-02-27 中兴通讯股份有限公司 音频编解码方法、系统及噪声水平估计方法
EP2545548A1 (en) * 2010-03-09 2013-01-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an input audio signal using cascaded filterbanks
EP2369861B1 (en) 2010-03-25 2016-07-27 Nxp B.V. Multi-channel audio signal processing
RU2554844C2 (ru) * 2010-04-09 2015-06-27 Долби Интернешнл Аб Стереофоническое кодирование на основе mdct с комплексным предсказанием
EP2375409A1 (en) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
EP3779978B1 (en) 2010-04-13 2022-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method of decoding an encoded stereo audio signal using a variable prediction direction
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
MX2012011828A (es) 2010-04-16 2013-02-27 Fraunhofer Ges Forschung Aparato, metodo y programa de computadora para generar una señal de banda amplia que utiliza extension de ancho de banda guiada y extension oculta de ancho de banda.
US8600737B2 (en) 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
PL2581905T3 (pl) 2010-06-09 2016-06-30 Panasonic Ip Corp America Sposób rozszerzania pasma częstotliwości, urządzenie do rozszerzania pasma częstotliwości, program, układ scalony oraz urządzenie dekodujące audio
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US20120029926A1 (en) * 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
JP6075743B2 (ja) 2010-08-03 2017-02-08 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
US8489403B1 (en) 2010-08-25 2013-07-16 Foundation For Research and Technology—Institute of Computer Science ‘FORTH-ICS’ Apparatuses, methods and systems for sparse sinusoidal audio processing and transmission
KR101826331B1 (ko) 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
AR085895A1 (es) 2011-02-14 2013-11-06 Fraunhofer Ges Forschung Generacion de ruido en codecs de audio
CN103582913B (zh) 2011-04-28 2016-05-11 杜比国际公司 有效内容分类及响度估计
WO2012158333A1 (en) * 2011-05-19 2012-11-22 Dolby Laboratories Licensing Corporation Forensic detection of parametric audio coding schemes
US9311923B2 (en) 2011-05-19 2016-04-12 Dolby Laboratories Licensing Corporation Adaptive audio processing based on forensic detection of media processing history
US8731949B2 (en) * 2011-06-30 2014-05-20 Zte Corporation Method and system for audio encoding and decoding and method for estimating noise level
TWI576832B (zh) 2011-06-30 2017-04-01 三星電子股份有限公司 產生帶寬延伸訊號的裝置與方法
US20130006644A1 (en) 2011-06-30 2013-01-03 Zte Corporation Method and device for spectral band replication, and method and system for audio decoding
JP6037156B2 (ja) * 2011-08-24 2016-11-30 ソニー株式会社 符号化装置および方法、並びにプログラム
JP5942358B2 (ja) 2011-08-24 2016-06-29 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
KR20130022549A (ko) 2011-08-25 2013-03-07 삼성전자주식회사 마이크 노이즈 제거 방법 및 이를 지원하는 휴대 단말기
CN106847295B (zh) 2011-09-09 2021-03-23 松下电器（美国）知识产权公司 编码装置和编码方法
EP2761618B1 (en) 2011-09-29 2016-11-30 Dolby International AB High quality detection in fm stereo radio signals
WO2013061530A1 (ja) * 2011-10-28 2013-05-02 パナソニック株式会社 符号化装置および符号化方法
ES2657802T3 (es) * 2011-11-02 2018-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Decodificación de audio basada en una representación eficiente de coeficientes autoregresivos
US9697840B2 (en) * 2011-11-30 2017-07-04 Dolby International Ab Enhanced chroma extraction from an audio codec
CN103165136A (zh) * 2011-12-15 2013-06-19 杜比实验室特许公司 音频处理方法及音频处理设备
JP5817499B2 (ja) * 2011-12-15 2015-11-18 富士通株式会社 復号装置、符号化装置、符号化復号システム、復号方法、符号化方法、復号プログラム、及び符号化プログラム
JP6082703B2 (ja) 2012-01-20 2017-02-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声復号装置及び音声復号方法
KR101398189B1 (ko) 2012-03-27 2014-05-22 광주과학기술원 음성수신장치 및 음성수신방법
MY197538A (en) * 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
ES2703873T3 (es) * 2012-03-29 2019-03-12 Ericsson Telefon Ab L M Codificación/descodificación de la transformada de señales armónicas de audio
CN102750955B (zh) * 2012-07-20 2014-06-18 中国科学院自动化研究所 基于残差信号频谱重构的声码器
US9589570B2 (en) 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates
TWI553628B (zh) 2012-09-24 2016-10-11 三星電子股份有限公司 訊框錯誤隱藏方法
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
US9135920B2 (en) 2012-11-26 2015-09-15 Harman International Industries, Incorporated System for perceived enhancement and restoration of compressed audio signals
MY185176A (en) 2013-01-29 2021-04-30 Fraunhofer Ges Forschung Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
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
EP2830059A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor

Also Published As

Publication number Publication date
TWI545560B (zh) 2016-08-11
TWI549121B (zh) 2016-09-11
MX354657B (es) 2018-03-14
JP6321797B2 (ja) 2018-05-09
EP3025344B1 (en) 2017-06-21
JP2018013796A (ja) 2018-01-25
RU2643641C2 (ru) 2018-02-02
US20190251986A1 (en) 2019-08-15
EP2830054A1 (en) 2015-01-28
EP3025343A1 (en) 2016-06-01
JP2022123060A (ja) 2022-08-23
US20190198029A1 (en) 2019-06-27
US11222643B2 (en) 2022-01-11
US11996106B2 (en) 2024-05-28
ES2813940T3 (es) 2021-03-25
AU2014295301A1 (en) 2016-03-10
EP2830061A1 (en) 2015-01-28
AU2014295297A1 (en) 2016-03-10
TW201523590A (zh) 2015-06-16
US11922956B2 (en) 2024-03-05
CN105556603B (zh) 2019-08-27
MX355448B (es) 2018-04-18
BR112016001398B1 (pt) 2021-12-28
RU2015112591A (ru) 2016-10-27
EP4246512A2 (en) 2023-09-20
CN105556603A (zh) 2016-05-04
KR20160042890A (ko) 2016-04-20
AU2014295295B2 (en) 2017-10-19
MX353999B (es) 2018-02-07
EP3025343B1 (en) 2018-02-14
TWI545561B (zh) 2016-08-11
EP2830064A1 (en) 2015-01-28
EP3025340B1 (en) 2019-03-27
ES2599007T3 (es) 2017-01-31
WO2015010954A1 (en) 2015-01-29
US11049506B2 (en) 2021-06-29
US20210217426A1 (en) 2021-07-15
WO2015010950A1 (en) 2015-01-29
KR20160030193A (ko) 2016-03-16
CA2918810C (en) 2020-04-28
AU2014295301B2 (en) 2017-05-25
PT3407350T (pt) 2020-10-27
MX356161B (es) 2018-05-16
MX362036B (es) 2019-01-04
EP3975180A1 (en) 2022-03-30
EP3975180C0 (en) 2025-10-15
BR112016000740B1 (pt) 2022-12-27
MX2016000924A (es) 2016-05-05
US20180268842A1 (en) 2018-09-20
RU2016105613A (ru) 2017-08-28
BR112015007533A2 (enExample) 2017-08-22
TW201513098A (zh) 2015-04-01
AU2014295298A1 (en) 2016-03-10
CN110660410B (zh) 2023-10-24
TW201517019A (zh) 2015-05-01
AU2014295302A1 (en) 2015-04-02
RU2016105618A (ru) 2017-08-28
SG11201600401RA (en) 2016-02-26
JP2020060792A (ja) 2020-04-16
ZA201601111B (en) 2017-08-30
US20160140981A1 (en) 2016-05-19
CN105580075B (zh) 2020-02-07
CA2918807A1 (en) 2015-01-29
PL2883227T3 (pl) 2017-03-31
TW201523589A (zh) 2015-06-16
SG11201600464WA (en) 2016-02-26
CN105580075A (zh) 2016-05-11
RU2607263C2 (ru) 2017-01-10
CN105453175A (zh) 2016-03-30
MX2015004022A (es) 2015-07-06
CN110660410A (zh) 2020-01-07
CN105518776B (zh) 2019-06-14
BR112016001125B1 (pt) 2022-01-04
AU2014295298B2 (en) 2017-05-25
JP2016527557A (ja) 2016-09-08
MX2016000857A (es) 2016-05-05
PL3025328T3 (pl) 2019-02-28
BR112016001125A2 (enExample) 2017-08-22
US20230352032A1 (en) 2023-11-02
TW201517024A (zh) 2015-05-01
MY187943A (en) 2021-10-30
JP6186082B2 (ja) 2017-08-23
BR112016000740A2 (pt) 2017-08-22
CA2918804A1 (en) 2015-01-29
US10332531B2 (en) 2019-06-25
CN105518776A (zh) 2016-04-20
BR112016000852A2 (pt) 2017-08-22
RU2646316C2 (ru) 2018-03-02
CN105453175B (zh) 2020-11-03
SG11201600494UA (en) 2016-02-26
BR122022010960B1 (pt) 2023-04-04
CN104769671A (zh) 2015-07-08
US20190043522A1 (en) 2019-02-07
JP7092809B2 (ja) 2022-06-28
ES2959641T3 (es) 2024-02-27
JP6389254B2 (ja) 2018-09-12
AU2014295296A1 (en) 2016-03-10
KR20150060752A (ko) 2015-06-03
AU2014295300A1 (en) 2016-03-10
TWI541797B (zh) 2016-07-11
PL3025340T3 (pl) 2019-09-30
US10515652B2 (en) 2019-12-24
WO2015010952A1 (en) 2015-01-29
ZA201601046B (en) 2017-05-31
TWI555009B (zh) 2016-10-21
BR122022010958B1 (pt) 2024-01-30
BR112016001072B1 (pt) 2022-07-12
CN111179963A (zh) 2020-05-19
JP6400702B2 (ja) 2018-10-03
EP4246512A3 (en) 2023-12-13
AU2014295300B2 (en) 2017-05-25
KR101807836B1 (ko) 2018-01-18
US10332539B2 (en) 2019-06-25
US10984805B2 (en) 2021-04-20
MY177860A (en) 2020-09-23
MX354002B (es) 2018-02-07
CN105518777A (zh) 2016-04-20
CA2918835A1 (en) 2015-01-29
CN111179963B (zh) 2024-11-22
EP3025337B1 (en) 2021-12-08
JP2015535620A (ja) 2015-12-14
RU2649940C2 (ru) 2018-04-05
PT3025343T (pt) 2018-05-18
TW201517023A (zh) 2015-05-01
CA2918701C (en) 2020-04-14
CA2918807C (en) 2019-05-07
EP3407350A1 (en) 2018-11-28
PT3017448T (pt) 2020-10-08
EP3506260B1 (en) 2023-08-16
US20160133265A1 (en) 2016-05-12
MY180759A (en) 2020-12-08
EP3025344A1 (en) 2016-06-01
PL3025337T3 (pl) 2022-04-11
AU2014295296B2 (en) 2017-10-19
JP6705787B2 (ja) 2020-06-03
KR101826723B1 (ko) 2018-03-22
JP2018077487A (ja) 2018-05-17
EP2830063A1 (en) 2015-01-28
US12142284B2 (en) 2024-11-12
KR20160024924A (ko) 2016-03-07
JP6144773B2 (ja) 2017-06-07
US20170154631A1 (en) 2017-06-01
KR101774795B1 (ko) 2017-09-05
KR101809592B1 (ko) 2018-01-18
US20220157325A1 (en) 2022-05-19
US20190074019A1 (en) 2019-03-07
AU2014295295A1 (en) 2016-03-10
US11250862B2 (en) 2022-02-15
US20210295853A1 (en) 2021-09-23
CN112466312A (zh) 2021-03-09
PT3025340T (pt) 2019-06-27
CN110310659B (zh) 2023-10-24
KR20160041940A (ko) 2016-04-18
JP2018041100A (ja) 2018-03-15
ZA201601010B (en) 2017-11-29
WO2015010948A1 (en) 2015-01-29
MY175978A (en) 2020-07-19
RU2016105759A (ru) 2017-08-25
SG11201600422SA (en) 2016-02-26
US11257505B2 (en) 2022-02-22
CN111554310B (zh) 2023-10-20
ES2827774T3 (es) 2021-05-24
CA2918524A1 (en) 2015-01-29
US10002621B2 (en) 2018-06-19
JP7483792B2 (ja) 2024-05-15
BR112016000947A2 (enExample) 2017-08-22
EP3723091B1 (en) 2024-09-11
ES2698023T3 (es) 2019-01-30
ZA201502262B (en) 2016-09-28
EP2830059A1 (en) 2015-01-28
MX2016000935A (es) 2016-07-05
US20160140979A1 (en) 2016-05-19
HK1211378A1 (en) 2016-05-20
EP3723091A1 (en) 2020-10-14
BR112016001072A2 (enExample) 2017-08-22
US10276183B2 (en) 2019-04-30
EP3506260C0 (en) 2023-08-16
ZA201601011B (en) 2017-05-31
PT2883227T (pt) 2016-11-18
CA2886505A1 (en) 2015-01-29
MY184847A (en) 2021-04-27
SG11201600496XA (en) 2016-02-26
ES2728329T3 (es) 2019-10-23
MX340575B (es) 2016-07-13
KR20160046804A (ko) 2016-04-29
BR112015007533B1 (pt) 2022-09-27
BR112016001398A2 (pt) 2017-08-22
EP2830056A1 (en) 2015-01-28
WO2015010949A1 (en) 2015-01-29
JP6306702B2 (ja) 2018-04-04
KR101681253B1 (ko) 2016-12-01
RU2016105473A (ru) 2017-08-23
US10573334B2 (en) 2020-02-25
US20220270619A1 (en) 2022-08-25
RU2016105619A (ru) 2017-08-23
KR101764723B1 (ko) 2017-08-14
EP2830065A1 (en) 2015-01-28
TWI555008B (zh) 2016-10-21
PL3506260T3 (pl) 2024-02-19
SG11201502691QA (en) 2015-05-28
US20180102134A1 (en) 2018-04-12
EP3975180B1 (en) 2025-10-15
EP3017448B1 (en) 2020-07-08
EP3742444A1 (en) 2020-11-25
US20160210974A1 (en) 2016-07-21
SG11201600506VA (en) 2016-02-26
US10593345B2 (en) 2020-03-17
AU2014295302B2 (en) 2016-06-30
US20150287417A1 (en) 2015-10-08
MX2016000854A (es) 2016-06-23
EP3025337A1 (en) 2016-06-01
CN111554310A (zh) 2020-08-18
US20180144760A1 (en) 2018-05-24
US11769513B2 (en) 2023-09-26
CN104769671B (zh) 2017-09-26
CN105518777B (zh) 2020-01-31
US10134404B2 (en) 2018-11-20
JP2016529546A (ja) 2016-09-23
EP3025340A1 (en) 2016-06-01
WO2015010947A1 (en) 2015-01-29
JP6691093B2 (ja) 2020-04-28
EP2883227A1 (en) 2015-06-17
CN110310659A (zh) 2019-10-08
PL3025343T3 (pl) 2018-10-31
PT3025328T (pt) 2018-11-27
CA2918810A1 (en) 2015-01-29
US20200082841A1 (en) 2020-03-12
BR122022010965B1 (pt) 2023-04-04
ES2667221T3 (es) 2018-05-10
CA2918835C (en) 2018-06-26
JP2016525713A (ja) 2016-08-25
BR122022011231B1 (pt) 2024-01-30
WO2015010952A9 (en) 2017-10-26
CA2918524C (en) 2018-05-22
BR112016000852B1 (pt) 2021-12-28
PL3407350T3 (pl) 2020-12-28
BR122022011238B1 (pt) 2023-12-19
JP6310074B2 (ja) 2018-04-11
KR101822032B1 (ko) 2018-03-08
CN105453176A (zh) 2016-03-30
BR112016000947B1 (pt) 2022-06-21
AU2014295297B2 (en) 2017-05-25
EP3017448A1 (en) 2016-05-11
US20190371355A1 (en) 2019-12-05
US11769512B2 (en) 2023-09-26
KR20160034975A (ko) 2016-03-30
CA2973841A1 (en) 2015-01-29
WO2015010953A1 (en) 2015-01-29
MX2016000943A (es) 2016-07-05
US11289104B2 (en) 2022-03-29
JP2016530556A (ja) 2016-09-29
US11735192B2 (en) 2023-08-22
EP3025328B1 (en) 2018-08-01
TW201514974A (zh) 2015-04-16
CA2886505C (en) 2017-10-31
JP6568566B2 (ja) 2019-08-28
MY182831A (en) 2021-02-05
RU2016105610A (ru) 2017-08-25
EP3723091C0 (en) 2024-09-11
TR201816157T4 (tr) 2018-11-21
US20160140973A1 (en) 2016-05-19
CN105453176B (zh) 2019-08-23
US10347274B2 (en) 2019-07-09
US20220139407A1 (en) 2022-05-05
EP3407350B1 (en) 2020-07-29
ES2638498T3 (es) 2017-10-23
US10147430B2 (en) 2018-12-04
EP2883227B1 (en) 2016-08-17
ES2908624T3 (es) 2022-05-03
RU2635890C2 (ru) 2017-11-16
RU2651229C2 (ru) 2018-04-18
CN112466312B (zh) 2025-02-21
US10311892B2 (en) 2019-06-04
US20210065723A1 (en) 2021-03-04
US10847167B2 (en) 2020-11-24
PT3025337T (pt) 2022-02-23
PL3017448T3 (pl) 2020-12-28
RU2640634C2 (ru) 2018-01-10
EP3025328A1 (en) 2016-06-01
EP3506260A1 (en) 2019-07-03
JP2016529545A (ja) 2016-09-23
US20160140980A1 (en) 2016-05-19
CA2918701A1 (en) 2015-01-29
CA2973841C (en) 2019-08-20
TWI545558B (zh) 2016-08-11
MX2016000940A (es) 2016-04-25
JP2016527556A (ja) 2016-09-08

Similar Documents

Publication Publication Date Title
US11250862B2 (en) Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
HK40010190A (en) Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
HK40010190B (en) Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
HK1262857A1 (en) Audio encoder and related method using two-channel processing within an intelligent gap filling framework
HK1262857B (en) Audio encoder and related method using two-channel processing within an intelligent gap filling framework
HK1225155B (en) Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
HK1225155A1 (en) Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
HK1211378B (en) Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
HK1225156B (en) Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
HK1225156A1 (en) Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
HK1225498A1 (en) Audio decoder and related method using two-channel processing within an intelligent gap filling framework
HK1225498B (en) Audio decoder and related method using two-channel processing within an intelligent gap filling framework

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160120