CN102725791B - 用于音频编解码中的响度和锐度补偿的方法和设备 - Google Patents

用于音频编解码中的响度和锐度补偿的方法和设备 Download PDF

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Publication number
CN102725791B
CN102725791B CN201080052229.XA CN201080052229A CN102725791B CN 102725791 B CN102725791 B CN 102725791B CN 201080052229 A CN201080052229 A CN 201080052229A CN 102725791 B CN102725791 B CN 102725791B
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China
Prior art keywords
bandwidth
signal
signal part
portions
filtering
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English (en)
Chinese (zh)
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CN102725791A (zh
Inventor
沃洛佳·格兰恰诺夫
西德格尔·思维里森
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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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
    • 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
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201080052229.XA 2009-11-19 2010-06-29 用于音频编解码中的响度和锐度补偿的方法和设备 Expired - Fee Related CN102725791B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26271409P 2009-11-19 2009-11-19
US61/262,714 2009-11-19
PCT/SE2010/050746 WO2011062535A1 (en) 2009-11-19 2010-06-29 Methods and arrangements for loudness and sharpness compensation in audio codecs

Publications (2)

Publication Number Publication Date
CN102725791A CN102725791A (zh) 2012-10-10
CN102725791B true CN102725791B (zh) 2014-09-17

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CN201080052229.XA Expired - Fee Related CN102725791B (zh) 2009-11-19 2010-06-29 用于音频编解码中的响度和锐度补偿的方法和设备

Country Status (7)

Country Link
US (1) US9031835B2 (https=)
EP (1) EP2502229B1 (https=)
JP (1) JP5812998B2 (https=)
CN (1) CN102725791B (https=)
CA (1) CA2780962C (https=)
ES (1) ES2645415T3 (https=)
WO (1) WO2011062535A1 (https=)

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US9711156B2 (en) 2013-02-08 2017-07-18 Qualcomm Incorporated Systems and methods of performing filtering for gain determination
US9620134B2 (en) 2013-10-10 2017-04-11 Qualcomm Incorporated Gain shape estimation for improved tracking of high-band temporal characteristics
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US10614816B2 (en) 2013-10-11 2020-04-07 Qualcomm Incorporated Systems and methods of communicating redundant frame information
US9384746B2 (en) 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
US10163447B2 (en) 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling
PL3084763T3 (pl) 2013-12-19 2019-03-29 Telefonaktiebolaget Lm Ericsson (Publ) Szacowanie szumów tła w sygnałach audio
EP3518236B8 (en) * 2014-10-10 2022-05-25 Dolby Laboratories Licensing Corporation Transmission-agnostic presentation-based program loudness
US9590580B1 (en) 2015-09-13 2017-03-07 Guoguang Electric Company Limited Loudness-based audio-signal compensation
US11925433B2 (en) * 2020-07-17 2024-03-12 Daniel Hertz S.A. System and method for improving and adjusting PMC digital signals to provide health benefits to listeners
CN119520569A (zh) * 2024-12-04 2025-02-25 中国工商银行股份有限公司 用于电力信息通信网络的信号处理方法、装置和设备

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CN101164104A (zh) * 2005-04-20 2008-04-16 Qnx软件操作系统（威美科）有限公司 用于改善语音质量和可懂度的系统
US20080177532A1 (en) * 2007-01-22 2008-07-24 D.S.P. Group Ltd. Apparatus and methods for enhancement of speech
WO2009072777A1 (en) * 2007-12-06 2009-06-11 Electronics And Telecommunications Research Institute Apparatus and method of enhancing quality of speech codec
US20090198498A1 (en) * 2008-02-01 2009-08-06 Motorola, Inc. Method and Apparatus for Estimating High-Band Energy in a Bandwidth Extension System
EP2104097A1 (en) * 2008-03-19 2009-09-23 Oki Electric Industry Co., Ltd. Voice band expander and expansion method

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Also Published As

Publication number Publication date
US20120221326A1 (en) 2012-08-30
WO2011062535A1 (en) 2011-05-26
ES2645415T3 (es) 2017-12-05
CA2780962C (en) 2017-09-05
CN102725791A (zh) 2012-10-10
EP2502229A4 (en) 2013-06-19
EP2502229B1 (en) 2017-08-09
EP2502229A1 (en) 2012-09-26
JP5812998B2 (ja) 2015-11-17
JP2013511741A (ja) 2013-04-04
US9031835B2 (en) 2015-05-12
CA2780962A1 (en) 2011-05-26

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Granted publication date: 20140917