MX2007004329A - Funciones mejoradas de transferencia relacionadas con la cabeza para contenido de audio panoramizado de estereo. - Google Patents

Funciones mejoradas de transferencia relacionadas con la cabeza para contenido de audio panoramizado de estereo.

Info

Publication number
MX2007004329A
MX2007004329A MX2007004329A MX2007004329A MX2007004329A MX 2007004329 A MX2007004329 A MX 2007004329A MX 2007004329 A MX2007004329 A MX 2007004329A MX 2007004329 A MX2007004329 A MX 2007004329A MX 2007004329 A MX2007004329 A MX 2007004329A
Authority
MX
Mexico
Prior art keywords
pair
signals
filter
hrtf
input signals
Prior art date
Application number
MX2007004329A
Other languages
English (en)
Inventor
David Stanley Mcgrath
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of MX2007004329A publication Critical patent/MX2007004329A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

Un metodo para procesar senales de audio, un aparato que acepta senales de audio, un medio portador que lleva instrucciones para un procesador a fin de implementar el metodo para procesar senales de audio, y un medio portador que lleva datos de filtro para implementar un filtro de senales de audio. El metodo incluye el filtrado de un par de senales de entrada de audi0.a traves de un proceso que genera un par de senales de salida que corresponden con los resultados de: filtrar cada una de las senales de entrada con un par de filtros HRTF y agregar las senales filtradas HRTF. El par de filtros HRTF es de manera que el escucha que oye el par de senales de salida a traves de auriculares experimenta sonidos que provienen a partir de un par de ubicaciones deseadas de altavoz virtual. Ademas, el filtrado es de manera que, en el caso que el par de senales de entrada de audio incluye un componente de senal panoramizada, al escucha que oye el par de senales de salida a traves de auriculares se le proporciona la sensacion que el componente de senal panoramizada emana a partir de una fuente virtual de sonido en una ubicacion central entre las ubicaciones de altavoz virtual. La figura mas representativa de la invencion es lanumero 1.
MX2007004329A 2004-10-14 2005-10-10 Funciones mejoradas de transferencia relacionadas con la cabeza para contenido de audio panoramizado de estereo. MX2007004329A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/965,130 US7634092B2 (en) 2004-10-14 2004-10-14 Head related transfer functions for panned stereo audio content
PCT/AU2005/001568 WO2006039748A1 (en) 2004-10-14 2005-10-10 Improved head related transfer functions for panned stereo audio content

Publications (1)

Publication Number Publication Date
MX2007004329A true MX2007004329A (es) 2007-06-07

Family

ID=36147964

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2007004329A MX2007004329A (es) 2004-10-14 2005-10-10 Funciones mejoradas de transferencia relacionadas con la cabeza para contenido de audio panoramizado de estereo.

Country Status (14)

Country Link
US (2) US7634092B2 (es)
EP (1) EP1800518B1 (es)
JP (2) JP4986857B2 (es)
KR (2) KR101202368B1 (es)
CN (1) CN101040565B (es)
AU (1) AU2005294113B2 (es)
BR (1) BRPI0516527B1 (es)
CA (1) CA2579465C (es)
HK (1) HK1103211A1 (es)
IL (1) IL181902A (es)
MX (1) MX2007004329A (es)
MY (1) MY147141A (es)
TW (1) TWI397325B (es)
WO (1) WO2006039748A1 (es)

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Publication number Publication date
CA2579465C (en) 2013-10-01
US7634092B2 (en) 2009-12-15
BRPI0516527A (pt) 2008-09-09
JP2008516539A (ja) 2008-05-15
US20060083394A1 (en) 2006-04-20
US7634093B2 (en) 2009-12-15
CN101040565B (zh) 2010-05-12
EP1800518A1 (en) 2007-06-27
KR20070065352A (ko) 2007-06-22
WO2006039748A1 (en) 2006-04-20
US20080056503A1 (en) 2008-03-06
IL181902A (en) 2012-02-29
EP1800518A4 (en) 2011-10-12
HK1103211A1 (en) 2007-12-14
JP2012120219A (ja) 2012-06-21
KR20120094045A (ko) 2012-08-23
CA2579465A1 (en) 2006-04-20
AU2005294113A1 (en) 2006-04-20
KR101202368B1 (ko) 2012-11-16
EP1800518B1 (en) 2014-04-16
MY147141A (en) 2012-11-14
BRPI0516527B1 (pt) 2019-06-25
TWI397325B (zh) 2013-05-21
AU2005294113B2 (en) 2009-11-26
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IL181902A0 (en) 2007-07-04
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