UA110291C2 - Method for determining of the allocation mantissa bits of audio data for audio data - Google Patents

Method for determining of the allocation mantissa bits of audio data for audio data

Info

Publication number
UA110291C2
UA110291C2 UAA201407672A UAA201407672A UA110291C2 UA 110291 C2 UA110291 C2 UA 110291C2 UA A201407672 A UAA201407672 A UA A201407672A UA A201407672 A UAA201407672 A UA A201407672A UA 110291 C2 UA110291 C2 UA 110291C2
Authority
UA
Ukraine
Prior art keywords
audio data
low
frequency band
frequency
correction
Prior art date
Application number
UAA201407672A
Other languages
English (en)
Russian (ru)
Ukrainian (uk)
Inventor
Arijit Biswas
Vinay Melkote
Michael Schug
Grant A Davidson
Mark S Vinton
Original Assignee
Dolby Lab Licensing Corp
Dolby Int Ab
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 Dolby Lab Licensing Corp, Dolby Int Ab filed Critical Dolby Lab Licensing Corp
Publication of UA110291C2 publication Critical patent/UA110291C2/ru

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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/04Speech 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
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L19/0204Speech 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
UAA201407672A 2012-01-09 2012-09-25 Method for determining of the allocation mantissa bits of audio data for audio data UA110291C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261584478P 2012-01-09 2012-01-09
PCT/US2012/057132 WO2013106098A1 (en) 2012-01-09 2012-09-25 Method and system for encoding audio data with adaptive low frequency compensation

Publications (1)

Publication Number Publication Date
UA110291C2 true UA110291C2 (en) 2015-12-10

Family

ID=48744528

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201407672A UA110291C2 (en) 2012-01-09 2012-09-25 Method for determining of the allocation mantissa bits of audio data for audio data

Country Status (18)

Country Link
US (2) US8527264B2 (enExample)
EP (1) EP2803067B1 (enExample)
JP (2) JP5755379B2 (enExample)
KR (1) KR101621704B1 (enExample)
AR (1) AR088007A1 (enExample)
AU (1) AU2012364749B2 (enExample)
BR (1) BR112014016847B1 (enExample)
CA (1) CA2858663C (enExample)
CL (1) CL2014001805A1 (enExample)
IL (1) IL233029A0 (enExample)
IN (1) IN2014CN04457A (enExample)
MX (1) MX335999B (enExample)
MY (1) MY187728A (enExample)
RU (1) RU2583717C1 (enExample)
SG (1) SG11201402983UA (enExample)
TW (1) TWI470621B (enExample)
UA (1) UA110291C2 (enExample)
WO (1) WO2013106098A1 (enExample)

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EP2261896B1 (en) * 2008-07-29 2017-12-06 Yamaha Corporation Performance-related information output device, system provided with performance-related information output device, and electronic musical instrument
EP2268057B1 (en) * 2008-07-30 2017-09-06 Yamaha Corporation Audio signal processing device, audio signal processing system, and audio signal processing method
JP5782677B2 (ja) 2010-03-31 2015-09-24 ヤマハ株式会社 コンテンツ再生装置および音声処理システム
EP2573761B1 (en) 2011-09-25 2018-02-14 Yamaha Corporation Displaying content in relation to music reproduction by means of information processing apparatus independent of music reproduction apparatus
JP5494677B2 (ja) 2012-01-06 2014-05-21 ヤマハ株式会社 演奏装置及び演奏プログラム
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
EP2980792A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
JP6492915B2 (ja) * 2015-04-15 2019-04-03 富士通株式会社 符号化装置、符号化方法、及びプログラム
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
CN110998722B (zh) * 2017-07-03 2023-11-10 杜比国际公司 低复杂性密集瞬态事件检测和译码
CN108616277B (zh) * 2018-05-22 2021-07-13 电子科技大学 一种多通道频域补偿的快速校正方法
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
CN114424282B (zh) 2019-09-03 2026-03-24 杜比实验室特许公司 低时延低频率效应编译码器

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JPH10261964A (ja) * 1997-03-19 1998-09-29 Sanyo Electric Co Ltd 情報信号処理装置
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EP1228569A1 (en) * 1999-10-30 2002-08-07 STMicroelectronics Asia Pacific Pte Ltd. A method of encoding frequency coefficients in an ac-3 encoder
AU2001284910B2 (en) * 2000-08-16 2007-03-22 Dolby Laboratories Licensing Corporation Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
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Also Published As

Publication number Publication date
EP2803067B1 (en) 2017-04-05
US8527264B2 (en) 2013-09-03
IN2014CN04457A (enExample) 2015-09-04
BR112014016847A2 (pt) 2017-06-13
IL233029A0 (en) 2014-07-31
MX2014007400A (es) 2015-03-05
MY187728A (en) 2021-10-14
JP2015187743A (ja) 2015-10-29
US20130179175A1 (en) 2013-07-11
AR088007A1 (es) 2014-04-30
TW201329961A (zh) 2013-07-16
RU2583717C1 (ru) 2016-05-10
AU2012364749B2 (en) 2015-08-13
SG11201402983UA (en) 2014-09-26
EP2803067A1 (en) 2014-11-19
AU2012364749A1 (en) 2014-07-03
US20140324441A1 (en) 2014-10-30
CN104040623A (zh) 2014-09-10
KR101621704B1 (ko) 2016-05-17
JP5755379B2 (ja) 2015-07-29
JP2015504179A (ja) 2015-02-05
WO2013106098A1 (en) 2013-07-18
HK1201976A1 (en) 2015-09-11
BR112014016847A8 (pt) 2017-07-04
CL2014001805A1 (es) 2015-02-27
JP6093801B2 (ja) 2017-03-08
MX335999B (es) 2016-01-07
CA2858663C (en) 2017-03-14
US9275649B2 (en) 2016-03-01
BR112014016847B1 (pt) 2020-12-15
KR20140104470A (ko) 2014-08-28
TWI470621B (zh) 2015-01-21
CA2858663A1 (en) 2013-07-18

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