SG47709A1 - Low computational-comolexity digital filter bank - Google Patents

Low computational-comolexity digital filter bank

Info

Publication number
SG47709A1
SG47709A1 SG1996003970A SG1996003970A SG47709A1 SG 47709 A1 SG47709 A1 SG 47709A1 SG 1996003970 A SG1996003970 A SG 1996003970A SG 1996003970 A SG1996003970 A SG 1996003970A SG 47709 A1 SG47709 A1 SG 47709A1
Authority
SG
Singapore
Prior art keywords
comolexity
digital filter
filter bank
low computational
computational
Prior art date
Application number
SG1996003970A
Other languages
English (en)
Inventor
Michael B Antill
Grant Allen Davidson
Original Assignee
Dolby Lab Licensing Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24855617&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG47709(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of SG47709A1 publication Critical patent/SG47709A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Networks Using Active Elements (AREA)
  • Complex Calculations (AREA)
SG1996003970A 1991-06-05 1992-06-05 Low computational-comolexity digital filter bank SG47709A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/710,805 US5297236A (en) 1989-01-27 1991-06-05 Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder

Publications (1)

Publication Number Publication Date
SG47709A1 true SG47709A1 (en) 1998-04-17

Family

ID=24855617

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003970A SG47709A1 (en) 1991-06-05 1992-06-05 Low computational-comolexity digital filter bank

Country Status (10)

Country Link
US (1) US5297236A (fr)
EP (1) EP0587733B1 (fr)
JP (1) JP3203250B2 (fr)
KR (1) KR100253136B1 (fr)
AU (1) AU655053B2 (fr)
CA (1) CA2103051C (fr)
DE (1) DE69221616T2 (fr)
DK (1) DK0587733T3 (fr)
SG (1) SG47709A1 (fr)
WO (1) WO1992022137A1 (fr)

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US8457975B2 (en) * 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI484481B (zh) 2009-05-27 2015-05-11 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
JP5699141B2 (ja) * 2009-06-23 2015-04-08 ヴォイスエイジ・コーポレーション 重み付けされた信号領域またはオリジナルの信号領域で適用される順方向時間領域エイリアシング取り消し
PL3998606T3 (pl) * 2009-10-21 2023-03-06 Dolby International Ab Nadrpóbkowanie w połączonym banku filtrów modułu transpozycji
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CN103119648B (zh) * 2010-09-22 2015-06-17 杜比实验室特许公司 用于音频编码系统中的去相关和其他应用的相移滤波的有效实现方式
TWM487509U (zh) * 2013-06-19 2014-10-01 杜比實驗室特許公司 音訊處理設備及電子裝置
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US11016212B2 (en) 2017-04-11 2021-05-25 Saudi Arabian Oil Company Compressing seismic wavefields in three-dimensional reverse time migration
JP7155821B2 (ja) 2018-09-28 2022-10-19 株式会社安川電機 溶接装置及び溶接方法
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Also Published As

Publication number Publication date
KR100253136B1 (ko) 2000-04-15
AU2162792A (en) 1993-01-08
CA2103051C (fr) 2003-05-06
EP0587733A1 (fr) 1994-03-23
CA2103051A1 (fr) 1992-12-06
JP3203250B2 (ja) 2001-08-27
DE69221616D1 (de) 1997-09-18
JPH06508731A (ja) 1994-09-29
WO1992022137A1 (fr) 1992-12-10
AU655053B2 (en) 1994-12-01
DE69221616T2 (de) 1998-02-05
EP0587733B1 (fr) 1997-08-13
US5297236A (en) 1994-03-22
DK0587733T3 (da) 1998-02-23

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