HK1114994A1 - Apparatus and method for synthesizing three output channels using two input channels - Google Patents

Apparatus and method for synthesizing three output channels using two input channels

Info

Publication number
HK1114994A1
HK1114994A1 HK08110460.2A HK08110460A HK1114994A1 HK 1114994 A1 HK1114994 A1 HK 1114994A1 HK 08110460 A HK08110460 A HK 08110460A HK 1114994 A1 HK1114994 A1 HK 1114994A1
Authority
HK
Hong Kong
Prior art keywords
channels
speaker
signal components
input channels
synthesizing
Prior art date
Application number
HK08110460.2A
Other languages
English (en)
Inventor
Oliver Hellmuth
Juergen Herre
Harald Popp
Andreas Walter
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1114994A1 publication Critical patent/HK1114994A1/xx

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 

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Harvester Elements (AREA)
HK08110460.2A 2005-12-20 2008-09-22 Apparatus and method for synthesizing three output channels using two input channels HK1114994A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/013738 WO2007071270A1 (en) 2005-12-20 2005-12-20 Apparatus and method for synthesizing three output channels using two input channels

Publications (1)

Publication Number Publication Date
HK1114994A1 true HK1114994A1 (en) 2008-11-14

Family

ID=37027614

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08110460.2A HK1114994A1 (en) 2005-12-20 2008-09-22 Apparatus and method for synthesizing three output channels using two input channels

Country Status (15)

Country Link
EP (1) EP1964442B1 (xx)
JP (1) JP4792086B2 (xx)
KR (1) KR100994294B1 (xx)
CN (1) CN101341792B (xx)
AT (1) ATE458364T1 (xx)
AU (1) AU2005339439B2 (xx)
BR (1) BRPI0520802B1 (xx)
CA (1) CA2632394C (xx)
DE (1) DE602005019484D1 (xx)
ES (1) ES2340784T3 (xx)
HK (1) HK1114994A1 (xx)
IL (1) IL191688A (xx)
NO (1) NO339830B1 (xx)
PL (1) PL1964442T3 (xx)
WO (1) WO2007071270A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
JP5251731B2 (ja) * 2009-05-29 2013-07-31 ヤマハ株式会社 ミキシングコンソールおよびプログラム
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
JP5418357B2 (ja) * 2010-03-26 2014-02-19 ヤマハ株式会社 デジタルミキサおよびプログラム
JP5929301B2 (ja) * 2012-02-23 2016-06-01 オンキヨー株式会社 時間差補正方法、音声信号処理装置、再生装置およびプログラム
EP2891338B1 (en) 2012-08-31 2017-10-25 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
CN104376857A (zh) * 2013-08-16 2015-02-25 联想(北京)有限公司 信息处理的方法及电子设备
KR20160072131A (ko) * 2013-10-02 2016-06-22 슈트로밍스위스 게엠베하 다채널 신호의 다운믹스 및 다운믹스 신호의 업믹스 방법 및 장치
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
US11825026B1 (en) * 2020-12-10 2023-11-21 Hear360 Inc. Spatial audio virtualization for conference call applications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770000A (en) * 1980-10-20 1982-04-30 Matsushita Electric Ind Co Ltd Stereo playback device
JPH05236599A (ja) * 1992-02-21 1993-09-10 Clarion Co Ltd ３スピーカの音響再生装置
JP4276380B2 (ja) * 1997-12-08 2009-06-10 トムソン ライセンシング オーディオコンプレッサ用のピーク−ピーク検出回路および音量制御システム
EP1319224A4 (en) * 2000-07-11 2007-03-14 American Tech Corp DYNAMIC POWER SHARING IN A MULTI-CHANNEL SOUND SYSTEM
US7298852B2 (en) * 2001-07-11 2007-11-20 American Technology Corporation Dynamic power sharing in a multi-channel sound system
CN1270583C (zh) * 2002-06-19 2006-08-16 普诚科技股份有限公司 双声道转多声道的音响处理器

Also Published As

Publication number Publication date
CN101341792A (zh) 2009-01-07
ES2340784T3 (es) 2010-06-09
AU2005339439B2 (en) 2010-07-22
CA2632394C (en) 2013-07-16
WO2007071270A1 (en) 2007-06-28
KR100994294B1 (ko) 2010-11-12
JP4792086B2 (ja) 2011-10-12
IL191688A (en) 2012-05-31
CA2632394A1 (en) 2007-06-28
PL1964442T3 (pl) 2010-07-30
EP1964442A1 (en) 2008-09-03
NO339830B1 (no) 2017-02-06
EP1964442B1 (en) 2010-02-17
KR20080070066A (ko) 2008-07-29
BRPI0520802B1 (pt) 2019-04-16
NO20083188L (no) 2008-07-17
AU2005339439A1 (en) 2007-06-28
ATE458364T1 (de) 2010-03-15
IL191688A0 (en) 2008-12-29
CN101341792B (zh) 2010-08-18
BRPI0520802A2 (pt) 2009-06-23
DE602005019484D1 (de) 2010-04-01
JP2009520419A (ja) 2009-05-21

Similar Documents

Publication Publication Date Title
HK1114994A1 (en) Apparatus and method for synthesizing three output channels using two input channels
MX2010003854A (es) Dispositivo y metodo para generar una se?al multicanal que incluye el procesamiento de se?al auditiva de voz.
NO20084409L (no) Fremgangsmate for signalforming i flerkanal audiogjenoppretting
MX2010002572A (es) Un metodo y un aparato para descodificar una señal de audio.
MY157894A (en) An apparatus for determining a spatial output multi-channel audio signal
MX2009005969A (es) Un metodo y aparato para procesar una señal de audio.
GB0718682D0 (en) Apparatus and method for encoding a multi channel audio signal
DE602005016931D1 (de) Tonkanalkonvertierung
MX2008013073A (es) Metodos y aparatos para codificar y decodificar señales de audio basadas en objeto.
HK1099901A1 (en) Apparatus and method for generating a multi-channel output signal
MX2009009651A (es) Un metodo y un aparato para procesar una señal de audio.
EP2278582A3 (en) A method and an apparatus for processing an audio signal
ATE552706T1 (de) Stereoverbreiterungsnetzwerk für zwei lautsprecher
MX338999B (es) Aparato y metodo para generar una señal de salida que tiene al menos dos canales de salida.
TW200739366A (en) Audio channel extraction using inter-channel amplitude spectra
AU2003303362A1 (en) Audio reproduction apparatus, feedback system and method
MX2013014723A (es) Metodo y aparato para descomponer una grabacion estereofonica utilizando el procedimiento del dominio de la frecuencia empleando un generador de ponderaciones espectrales.
MY143854A (en) Apparatus and method for synthesizing three output channels using two input channels
MX2011006186A (es) Aparato para generar una señal de audio multicanal.
WO2009071911A3 (en) An improved apparatus and method for reproduction of stereo sound
EP4390918A3 (en) Reverberation gain normalization
EP2084704A4 (en) DEVICE AND METHOD FOR TRANSMITTING OR REPEATING A MULTI CHANNEL AUDIO SIGNAL
TW200605657A (en) Video composing circuit and method thereof
TW200713014A (en) Method for arbitrating audio signal output devices
RU2009125909A (ru) Способ и устройство для обработки аудиосигнала