DE69326590D1 - Verfahren und Einrichtung zur Subbandfilterung eines Stereoaudiosignals - Google Patents

Verfahren und Einrichtung zur Subbandfilterung eines Stereoaudiosignals

Info

Publication number
DE69326590D1
DE69326590D1 DE69326590T DE69326590T DE69326590D1 DE 69326590 D1 DE69326590 D1 DE 69326590D1 DE 69326590 T DE69326590 T DE 69326590T DE 69326590 T DE69326590 T DE 69326590T DE 69326590 D1 DE69326590 D1 DE 69326590D1
Authority
DE
Germany
Prior art keywords
audio signal
stereo audio
subband filtering
subband
filtering
Prior art date
Legal status (The legal status 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 status listed.)
Revoked
Application number
DE69326590T
Other languages
English (en)
Other versions
DE69326590T2 (de
Inventor
Byung-Gook Chung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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=19341399&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69326590(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE69326590D1 publication Critical patent/DE69326590D1/de
Publication of DE69326590T2 publication Critical patent/DE69326590T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/667—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 a division in frequency subbands
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE69326590T 1992-10-20 1993-06-25 Verfahren und Einrichtung zur Subbandfilterung eines Stereoaudiosignals Revoked DE69326590T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR920019221 1992-10-20

Publications (2)

Publication Number Publication Date
DE69326590D1 true DE69326590D1 (de) 1999-11-04
DE69326590T2 DE69326590T2 (de) 2000-03-02

Family

ID=19341399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326590T Revoked DE69326590T2 (de) 1992-10-20 1993-06-25 Verfahren und Einrichtung zur Subbandfilterung eines Stereoaudiosignals

Country Status (4)

Country Link
EP (1) EP0593850B1 (de)
JP (1) JP2895713B2 (de)
KR (1) KR0120541B1 (de)
DE (1) DE69326590T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2598113T3 (es) 2007-06-27 2017-01-25 Telefonaktiebolaget Lm Ericsson (Publ) Método y disposición para mejorar señales de audio espaciales
JP2009010841A (ja) * 2007-06-29 2009-01-15 Kenwood Corp ステレオ復調装置及びステレオ復調方法
KR102594160B1 (ko) * 2019-11-29 2023-10-26 한국전자통신연구원 필터뱅크를 이용한 오디오 신호 부호화/복호화 장치 및 방법
CN117040487B (zh) * 2023-10-08 2024-01-02 武汉海微科技有限公司 音频信号处理的滤波方法、装置、设备及存储介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868868A (en) * 1986-09-30 1989-09-19 Oki Electric Industry Co., Ltd. Sub-band speech analyzing and synthesizing device

Also Published As

Publication number Publication date
JP2895713B2 (ja) 1999-05-24
KR940010498A (ko) 1994-05-26
DE69326590T2 (de) 2000-03-02
EP0593850A2 (de) 1994-04-27
EP0593850B1 (de) 1999-09-29
EP0593850A3 (en) 1994-06-01
KR0120541B1 (ko) 1997-10-30
JPH06152552A (ja) 1994-05-31

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation