[go: up one dir, main page]

GB2337676B - Method of modifying a filter for implementing a head-related transfer function - Google Patents

Method of modifying a filter for implementing a head-related transfer function

Info

Publication number
GB2337676B
GB2337676B GB9811054A GB9811054A GB2337676B GB 2337676 B GB2337676 B GB 2337676B GB 9811054 A GB9811054 A GB 9811054A GB 9811054 A GB9811054 A GB 9811054A GB 2337676 B GB2337676 B GB 2337676B
Authority
GB
United Kingdom
Prior art keywords
modifying
implementing
filter
head
transfer function
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.)
Expired - Lifetime
Application number
GB9811054A
Other versions
GB2337676A (en
GB9811054D0 (en
Inventor
Alastair Sibbald
Fawad Nackvi
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.)
Central Research Laboratories Ltd
Original Assignee
Central Research Laboratories 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
Application filed by Central Research Laboratories Ltd filed Critical Central Research Laboratories Ltd
Priority to GB9811054A priority Critical patent/GB2337676B/en
Publication of GB9811054D0 publication Critical patent/GB9811054D0/en
Priority to EP19990303966 priority patent/EP0959644A2/en
Publication of GB2337676A publication Critical patent/GB2337676A/en
Application granted granted Critical
Publication of GB2337676B publication Critical patent/GB2337676B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
GB9811054A 1998-05-22 1998-05-22 Method of modifying a filter for implementing a head-related transfer function Expired - Lifetime GB2337676B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9811054A GB2337676B (en) 1998-05-22 1998-05-22 Method of modifying a filter for implementing a head-related transfer function
EP19990303966 EP0959644A2 (en) 1998-05-22 1999-05-21 Method of modifying a filter for implementing a head-related transfer function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9811054A GB2337676B (en) 1998-05-22 1998-05-22 Method of modifying a filter for implementing a head-related transfer function

Publications (3)

Publication Number Publication Date
GB9811054D0 GB9811054D0 (en) 1998-07-22
GB2337676A GB2337676A (en) 1999-11-24
GB2337676B true GB2337676B (en) 2003-02-26

Family

ID=10832550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9811054A Expired - Lifetime GB2337676B (en) 1998-05-22 1998-05-22 Method of modifying a filter for implementing a head-related transfer function

Country Status (2)

Country Link
EP (1) EP0959644A2 (en)
GB (1) GB2337676B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366975A (en) * 2000-09-19 2002-03-20 Central Research Lab Ltd A method of audio signal processing for a loudspeaker located close to an ear
US6738479B1 (en) 2000-11-13 2004-05-18 Creative Technology Ltd. Method of audio signal processing for a loudspeaker located close to an ear
US6741711B1 (en) 2000-11-14 2004-05-25 Creative Technology Ltd. Method of synthesizing an approximate impulse response function
DE10358141A1 (en) * 2003-12-10 2005-07-21 Ultrasone Ag Headphones with surround extension
KR20120004909A (en) * 2010-07-07 2012-01-13 삼성전자주식회사 Stereo playback method and apparatus
CN106060757B (en) 2011-07-01 2018-11-13 杜比实验室特许公司 System and tool for enhancing the creation of 3D audios and presenting
EP3114859B1 (en) 2014-03-06 2018-05-09 Dolby Laboratories Licensing Corporation Structural modeling of the head related impulse response
JP7362320B2 (en) * 2019-07-04 2023-10-17 フォルシアクラリオン・エレクトロニクス株式会社 Audio signal processing device, audio signal processing method, and audio signal processing program

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022278A1 (en) * 1993-03-18 1994-09-29 Central Research Laboratories Limited Plural-channel sound processing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022278A1 (en) * 1993-03-18 1994-09-29 Central Research Laboratories Limited Plural-channel sound processing

Also Published As

Publication number Publication date
EP0959644A2 (en) 1999-11-24
GB2337676A (en) 1999-11-24
GB9811054D0 (en) 1998-07-22

Similar Documents

Publication Publication Date Title
GB2316967B (en) Method for gravel-packing a well
AU3692695A (en) A method for inhibiting hydrate formation
AU2829399A (en) Method for introducing solder into a system
AU3101795A (en) Method of making a benzylpropanamine
GB2298340B (en) Method of operating a communication system
AU1316300A (en) Method for purification of a blood component
GB2309019B (en) Method for transferring waste
GB2325005B (en) Method of forming a component
GB2337676B (en) Method of modifying a filter for implementing a head-related transfer function
HK1000886A1 (en) A method for production of 3-formyl-tetrahydrofuran
AU2620899A (en) Method for introducing solder into a system
GB2292941B (en) Method for making a 4-hydroxy-tetraorganopiperidinyloxy
AU6454198A (en) Method of making a block filter
EP0739348A4 (en) Method for making alkyl polyglycosides
AUPP276098A0 (en) A method for treating gelatine
GB2336813B (en) Method of making a wheel
GB9515714D0 (en) Method for soldering
HUP0104317A3 (en) Method for effecting telecommunication connections
EP0685435A3 (en) Method for making powders of inorganic compounds.
GB2327563B (en) A method of filtering communications
PL325876A1 (en) Method of making a filter
IL119581A0 (en) Method for manufacturing shells
GB2286689B (en) A method of photography
LT97113A (en) A method for making of identifiables symbols
LTIP2042A (en) Method for making of silicate-colour

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20180521