GB9920326D0 - Digital audio signal processing - Google Patents

Digital audio signal processing

Info

Publication number
GB9920326D0
GB9920326D0 GBGB9920326.7A GB9920326A GB9920326D0 GB 9920326 D0 GB9920326 D0 GB 9920326D0 GB 9920326 A GB9920326 A GB 9920326A GB 9920326 D0 GB9920326 D0 GB 9920326D0
Authority
GB
United Kingdom
Prior art keywords
signal processing
audio signal
digital audio
digital
processing
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.)
Ceased
Application number
GBGB9920326.7A
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Priority to GBGB9920326.7A priority Critical patent/GB9920326D0/en
Publication of GB9920326D0 publication Critical patent/GB9920326D0/en
Priority to JP2001520400A priority patent/JP2003508803A/en
Priority to PCT/EP2000/007923 priority patent/WO2001016934A1/en
Priority to DE60026719T priority patent/DE60026719T2/en
Priority to EP00960453A priority patent/EP1125274B1/en
Priority to KR1020017005302A priority patent/KR100717519B1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • G10H1/12—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms
    • G10H1/125—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms using a digital filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0091—Means for obtaining special acoustic effects
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/265—Acoustic effect simulation, i.e. volume, spatial, resonance or reverberation effects added to a musical sound, usually by appropriate filtering or delays
    • G10H2210/281—Reverberation or echo
    • G10H2210/291—Reverberator using both direct, i.e. dry, and indirect, i.e. wet, signals or waveforms, indirect signals having sustained one or more virtual reflections
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/041—Delay lines applied to musical processing
    • G10H2250/046—Delay lines applied to musical processing with intermediate taps

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
GBGB9920326.7A 1999-08-28 1999-08-28 Digital audio signal processing Ceased GB9920326D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GBGB9920326.7A GB9920326D0 (en) 1999-08-28 1999-08-28 Digital audio signal processing
JP2001520400A JP2003508803A (en) 1999-08-28 2000-08-14 Digital audio signal processor with delay line
PCT/EP2000/007923 WO2001016934A1 (en) 1999-08-28 2000-08-14 Digital audio signal processing apparatus comprising a delay line
DE60026719T DE60026719T2 (en) 1999-08-28 2000-08-14 DIGITAL SOUND SIGNAL PROCESSING DEVICE WITH A DELAYING LINE
EP00960453A EP1125274B1 (en) 1999-08-28 2000-08-14 Digital audio signal processing apparatus comprising a delay line
KR1020017005302A KR100717519B1 (en) 1999-08-28 2000-08-14 Digital audio signal processing apparatus comprising a delay line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9920326.7A GB9920326D0 (en) 1999-08-28 1999-08-28 Digital audio signal processing

Publications (1)

Publication Number Publication Date
GB9920326D0 true GB9920326D0 (en) 1999-11-03

Family

ID=10859929

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9920326.7A Ceased GB9920326D0 (en) 1999-08-28 1999-08-28 Digital audio signal processing

Country Status (6)

Country Link
EP (1) EP1125274B1 (en)
JP (1) JP2003508803A (en)
KR (1) KR100717519B1 (en)
DE (1) DE60026719T2 (en)
GB (1) GB9920326D0 (en)
WO (1) WO2001016934A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2418773A1 (en) * 2010-07-28 2012-02-15 Brandenburgische Technische Universität Cottbus Glitch-free switchable FIR-filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706291A (en) * 1985-06-25 1987-11-10 Nippon Gakki Seizo Kabushiki Kaisha Reverberation imparting device
JP3296648B2 (en) * 1993-11-30 2002-07-02 三洋電機株式会社 Method and apparatus for improving discontinuity in digital pitch conversion
JP2746157B2 (en) * 1994-11-16 1998-04-28 ヤマハ株式会社 Electronic musical instrument
US5774560A (en) * 1996-05-30 1998-06-30 Industrial Technology Research Institute Digital acoustic reverberation filter network

Also Published As

Publication number Publication date
JP2003508803A (en) 2003-03-04
KR20010089369A (en) 2001-10-06
WO2001016934A1 (en) 2001-03-08
DE60026719T2 (en) 2006-10-12
KR100717519B1 (en) 2007-05-14
DE60026719D1 (en) 2006-05-11
EP1125274B1 (en) 2006-03-15
EP1125274A1 (en) 2001-08-22

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)