JP6321684B2 - サブバンドの時間的平滑化を用いて周波数増強信号を生成する装置および方法 - Google Patents

サブバンドの時間的平滑化を用いて周波数増強信号を生成する装置および方法 Download PDF

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JP6321684B2
JP6321684B2 JP2015555674A JP2015555674A JP6321684B2 JP 6321684 B2 JP6321684 B2 JP 6321684B2 JP 2015555674 A JP2015555674 A JP 2015555674A JP 2015555674 A JP2015555674 A JP 2015555674A JP 6321684 B2 JP6321684 B2 JP 6321684B2
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frequency
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energy
core signal
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JP2016510429A (ja
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サッシャ ディスヒ
サッシャ ディスヒ
ラルフ ガイガー
ラルフ ガイガー
クリスティアン ヘルムリッヒ
クリスティアン ヘルムリッヒ
マルクス マルトラス
マルクス マルトラス
コンスタンティン シュミット
コンスタンティン シュミット
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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
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
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/032—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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Picture Signal Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Testing Relating To Insulation (AREA)
  • Stereophonic System (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Dc-Dc Converters (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Plasma Technology (AREA)
  • Electrotherapy Devices (AREA)
  • Error Detection And Correction (AREA)
JP2015555674A 2013-01-29 2014-01-28 サブバンドの時間的平滑化を用いて周波数増強信号を生成する装置および方法 Active JP6321684B2 (ja)

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US201361758090P 2013-01-29 2013-01-29
US61/758,090 2013-01-29
PCT/EP2014/051601 WO2014118160A1 (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands

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JP2015555673A Active JP6301368B2 (ja) 2013-01-29 2014-01-28 増強信号の整形を用いて周波数増強信号を生成する装置および方法
JP2015555675A Active JP6289507B2 (ja) 2013-01-29 2014-01-28 エネルギー制限演算を用いて周波数増強信号を生成する装置および方法

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JP2015555675A Active JP6289507B2 (ja) 2013-01-29 2014-01-28 エネルギー制限演算を用いて周波数増強信号を生成する装置および方法

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MX346945B (es) 2017-04-06
HK1218019A1 (en) 2017-01-27
MX2015009536A (es) 2015-10-30
CA2899080A1 (en) 2014-08-07
RU2015136799A (ru) 2017-03-13
US9640189B2 (en) 2017-05-02
BR112015017868A2 (enExample) 2017-08-22
CN105229738B (zh) 2019-07-26
HK1218020A1 (en) 2017-01-27
US10354665B2 (en) 2019-07-16
BR112015017866B1 (pt) 2021-12-21
EP3136386B1 (en) 2021-10-20
WO2014118161A1 (en) 2014-08-07
US20170323651A1 (en) 2017-11-09
KR101757349B1 (ko) 2017-07-14
SG11201505883WA (en) 2015-08-28
AR094670A1 (es) 2015-08-19
MX351191B (es) 2017-10-04
KR20150109416A (ko) 2015-10-01
JP6289507B2 (ja) 2018-03-07
CN105264601B (zh) 2019-05-31
KR101787497B1 (ko) 2017-10-18
RU2625945C2 (ru) 2017-07-19
AU2014211529A1 (en) 2015-09-17
US9741353B2 (en) 2017-08-22
AU2014211527A1 (en) 2015-08-06
CN105229738A (zh) 2016-01-06
US9552823B2 (en) 2017-01-24
CA2899078A1 (en) 2014-08-07
ES2914614T3 (es) 2022-06-14
US20150332706A1 (en) 2015-11-19
AU2014211528A1 (en) 2015-09-03
CA2899072A1 (en) 2014-08-07
WO2014118159A1 (en) 2014-08-07
KR20150114483A (ko) 2015-10-12
MY172710A (en) 2019-12-11
MX2015009597A (es) 2015-11-25
BR112015017632A2 (pt) 2018-05-02
SG11201505908QA (en) 2015-09-29
ES2899781T3 (es) 2022-03-14
MY172161A (en) 2019-11-15
MY185159A (en) 2021-04-30
CN105103228A (zh) 2015-11-25
EP2951826A1 (en) 2015-12-09
EP2951827A1 (en) 2015-12-09
CN105264601A (zh) 2016-01-20
TWI529701B (zh) 2016-04-11
EP2951826B1 (en) 2022-04-20
US20150332707A1 (en) 2015-11-19
AU2014211528B2 (en) 2016-10-20
WO2014118160A1 (en) 2014-08-07
KR20150108395A (ko) 2015-09-25
EP2951825A1 (en) 2015-12-09
ZA201506268B (en) 2016-11-30
SG11201505906RA (en) 2015-08-28
TW201443887A (zh) 2014-11-16
CA2899072C (en) 2017-12-19
CA2899078C (en) 2018-09-25
BR112015017632B1 (pt) 2022-06-07
EP3136386A1 (en) 2017-03-01
AU2014211527B2 (en) 2017-03-30
MX346944B (es) 2017-04-06
US20150332697A1 (en) 2015-11-19
RU2624104C2 (ru) 2017-06-30
BR112015017866A2 (pt) 2018-05-08
JP6301368B2 (ja) 2018-03-28
MX2015009598A (es) 2015-11-25
PT2951825T (pt) 2022-02-02
TW201435860A (zh) 2014-09-16
EP2951825B1 (en) 2021-11-24
AR094672A1 (es) 2015-08-19
AU2014211529B2 (en) 2016-12-22
CA2899080C (en) 2018-10-02
ZA201506265B (en) 2016-07-27
AR094671A1 (es) 2015-08-19
JP2016510428A (ja) 2016-04-07
TWI524332B (zh) 2016-03-01
BR112015017868B1 (pt) 2022-02-15
ES2905846T3 (es) 2022-04-12
KR101762225B1 (ko) 2017-07-28
JP2016510429A (ja) 2016-04-07
JP2016507080A (ja) 2016-03-07
PL2951825T3 (pl) 2022-03-14
RU2608447C1 (ru) 2017-01-18
RU2015136768A (ru) 2017-03-10
CN105103228B (zh) 2019-04-09

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