HK1190224A1 - Improved harmonic transposition - Google Patents

Improved harmonic transposition

Info

Publication number
HK1190224A1
HK1190224A1 HK14102790.2A HK14102790A HK1190224A1 HK 1190224 A1 HK1190224 A1 HK 1190224A1 HK 14102790 A HK14102790 A HK 14102790A HK 1190224 A1 HK1190224 A1 HK 1190224A1
Authority
HK
Hong Kong
Prior art keywords
harmonic transposition
improved harmonic
improved
transposition
harmonic
Prior art date
Application number
HK14102790.2A
Other languages
English (en)
Chinese (zh)
Inventor
Per Ekstrand
Lars Falck Villemoes
Original Assignee
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 Int Ab filed Critical Dolby Int Ab
Publication of HK1190224A1 publication Critical patent/HK1190224A1/xx

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
    • 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
    • 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
    • G10L19/0212—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
    • G10L19/04—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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L21/04—Time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
HK14102790.2A 2009-09-18 2014-03-20 Improved harmonic transposition HK1190224A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24362409P 2009-09-18 2009-09-18

Publications (1)

Publication Number Publication Date
HK1190224A1 true HK1190224A1 (en) 2014-06-27

Family

ID=45429422

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14102790.2A HK1190224A1 (en) 2009-09-18 2014-03-20 Improved harmonic transposition

Country Status (5)

Country Link
US (3) US11594234B2 (ko)
JP (10) JP5433022B2 (ko)
KR (3) KR101405022B1 (ko)
CN (2) CN103559891B (ko)
HK (1) HK1190224A1 (ko)

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CN103197143A (zh) * 2013-02-28 2013-07-10 哈尔滨工业大学 基于汉宁窗fft算法与遍历滤波的谐波、间谐波检测方法
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TWI693594B (zh) * 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
CN110062945B (zh) * 2016-12-02 2023-05-23 迪拉克研究公司 音频输入信号的处理
CN108198571B (zh) * 2017-12-21 2021-07-30 中国科学院声学研究所 一种基于自适应带宽判断的带宽扩展方法及系统
JP7252976B2 (ja) * 2018-04-25 2023-04-05 ドルビー・インターナショナル・アーベー 後処理遅延低減との高周波再構成技術の統合
CN109243485B (zh) * 2018-09-13 2021-08-13 广州酷狗计算机科技有限公司 恢复高频信号的方法和装置
CN109655665A (zh) * 2018-12-29 2019-04-19 国网安徽省电力有限公司 基于布莱克曼窗的全相位傅里叶谐波分析方法
CN113283157A (zh) * 2021-04-02 2021-08-20 殷强 智能冲压压力机部件生命周期预测系统、方法、终端、介质

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Also Published As

Publication number Publication date
JP2014052659A (ja) 2014-03-20
JP2019207434A (ja) 2019-12-05
JP2018185539A (ja) 2018-11-22
CN102318004B (zh) 2013-10-23
JP6638110B2 (ja) 2020-01-29
KR101701759B1 (ko) 2017-02-03
US20230197089A1 (en) 2023-06-22
JP2020042315A (ja) 2020-03-19
JP6701429B2 (ja) 2020-05-27
US11837246B2 (en) 2023-12-05
CN103559891B (zh) 2016-05-11
JP6926273B2 (ja) 2021-08-25
KR20110134395A (ko) 2011-12-14
JP6132885B2 (ja) 2017-05-24
KR20140027533A (ko) 2014-03-06
JP7271616B2 (ja) 2023-05-11
JP2020118996A (ja) 2020-08-06
JP6381727B2 (ja) 2018-08-29
JP2017122945A (ja) 2017-07-13
JP2016001329A (ja) 2016-01-07
JP2012516464A (ja) 2012-07-19
CN103559891A (zh) 2014-02-05
US20240105191A1 (en) 2024-03-28
JP6008830B2 (ja) 2016-10-19
KR20150104229A (ko) 2015-09-14
JP2021177259A (ja) 2021-11-11
JP5433022B2 (ja) 2014-03-05
US20230027660A1 (en) 2023-01-26
KR101697497B1 (ko) 2017-01-18
JP2023083608A (ja) 2023-06-15
JP6573703B2 (ja) 2019-09-11
KR101405022B1 (ko) 2014-06-10
CN102318004A (zh) 2012-01-11
US11594234B2 (en) 2023-02-28

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