Patents for H04S 1 - Two-channel systems (4,182) |
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08/09/2007 | US20070183603 Generation of customised three dimensional sound effects for individuals |
08/09/2007 | US20070183601 Method, device, encoder apparatus, decoder apparatus and audio system |
08/08/2007 | EP1816895A2 Three-dimensional acoustic processor which uses linear predictive coefficients |
08/08/2007 | EP1815716A1 Apparatus and method of processing multi-channel audio input signals to produce at least two channel output signals therefrom, and computer readable medium containing executable code to perform the method |
08/08/2007 | EP1815715A1 Apparatus and method to generate virtual 3d sound using asymmetry and recording medium storing program to perform the method |
08/08/2007 | CN101015230A Audio signal enhancement |
08/07/2007 | US7254239 Sound system and method of sound reproduction |
08/07/2007 | US7254238 Method and circuit for headset listening of an audio recording |
08/02/2007 | US20070178830 Storage and playback device and method for using the same |
08/02/2007 | DE19628292B4 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten A method of encoding and decoding stereo audio spectral values |
08/01/2007 | EP1814359A1 Video/audio recording apparatus and method, and video/audio reproducing apparatus and method |
08/01/2007 | EP1814358A1 Audio signal processing device and audio signal processing method |
08/01/2007 | EP1814357A1 Sound producing method, sound source circuit, electronic circuit using same, and electronic device |
08/01/2007 | CN101010985A Stereo signal generating apparatus and stereo signal generating method |
08/01/2007 | CN101009951A Reproducing circuit |
07/31/2007 | US7251333 Method and apparatus for creating a virtual third channel in a two-channel amplifier |
07/31/2007 | US7251332 Portable audio devices |
07/26/2007 | WO2007083937A2 Additional pinna and pinna-hollow filler for the head-related transfer function |
07/26/2007 | US20070172086 Utilization of filtering effects in stereo headphone devices to enhance spatialization of source around a listener |
07/26/2007 | US20070171944 Stereo coding and decoding methods and apparatus thereof |
07/25/2007 | EP1810489A1 A method, a program product and telephone |
07/19/2007 | WO2007080224A1 Decoding of binaural audio signals |
07/19/2007 | US20070165878 Loudspeaker array audio signal supply apparartus |
07/19/2007 | US20070165874 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
07/19/2007 | US20070165869 Support of a multichannel audio extension |
07/19/2007 | CA2635024A1 Decoding of binaural audio signals |
07/12/2007 | WO2003094413A3 Digital audio production device |
07/12/2007 | US20070160237 Amplifier apparatus and acoustic system |
07/10/2007 | US7242782 Audio signal processing circuit |
07/10/2007 | US7242779 Methods and apparatus for sub-harmonic generation, stereo expansion and distortion |
07/04/2007 | EP1804553A2 Sound image localization apparatus |
07/03/2007 | CA2290518C Loudspeaker array for enlarged sweet spot |
06/27/2007 | EP1802082A1 Information terminal |
06/27/2007 | CN1988738A Apparatus to remove a voice signal and method thereof |
06/26/2007 | US7236837 Reproducing apparatus |
06/26/2007 | US7236599 Generating separate analog audio programs from a digital link |
06/26/2007 | CA2233521C Encoding method and apparatus, decoding method and apparatus and recording medium |
06/21/2007 | US20070140502 Signal processing |
06/21/2007 | DE19715498B4 Stereoklangbildverbesserungsvorrichtungen und -verfahren unter Verwendung von Tabellen Stereo image enhancement devices and procedures using tables |
06/21/2007 | DE10148351B4 Verfahren und Vorrichtung zur Auswahl eines Klangalgorithmus Method and apparatus for selecting a sound algorithm |
06/19/2007 | US7233833 Method of modifying low frequency components of a digital audio signal |
06/14/2007 | US20070133949 In-vehicle information reproducing apparatus |
06/13/2007 | EP1796081A2 Encoding apparatus, encoding method, and computer product |
06/13/2007 | EP1795398A1 In-vehicle information reproducing apparatus |
06/13/2007 | EP1794744A1 A system and a method of processing audio data, a program element and a computer-readable medium |
06/13/2007 | EP1072089A4 Audio signal processing method and apparatus |
06/13/2007 | CN1981558A Loudspeaker directivity control method and audio reproduction device |
06/13/2007 | CN1980484A In-vehicle information reproducing apparatus |
06/13/2007 | CN1321545C Echo effect output signal generator of earphone |
06/07/2007 | US20070127738 Audio signal processing device and audio signal reproduction system |
06/07/2007 | US20070127732 Distributed stereo system |
06/07/2007 | US20070127729 Audio coding |
06/06/2007 | EP1792520A1 Audio signal enhancement |
06/06/2007 | CN1320844C Circuit and method for enhancing a stereo signal |
06/05/2007 | US7227963 Audio signal processing apparatus |
05/30/2007 | CN1973331A Method and apparatus for control of personal digital media devices using a vehicle audio system |
05/30/2007 | CN1973320A Stereo coding and decoding methods and apparatuses thereof |
05/29/2007 | CA2228051C Acoustic correction apparatus |
05/23/2007 | EP1787494A2 Personalized headphone virtualization |
05/17/2007 | US20070110250 Transaural stereo device |
05/17/2007 | US20070110249 Method of acoustic signal reproduction |
05/16/2007 | EP1786239A1 Stereo signal generating apparatus and stereo signal generating method |
05/15/2007 | CA2301062C A distributed stereo system |
05/09/2007 | CN1960582A Signal processing apparatus and method |
05/03/2007 | WO2007048900A1 Hrtfs individualisation by a finite element modelling coupled with a revise model |
05/03/2007 | WO2007004147A3 Stereo dipole reproduction system with tilt compensation. |
05/03/2007 | US20070098205 Headrest surround channel electroacoustical transducing |
05/03/2007 | US20070098180 Speaker-characteristic compensation method for mobile terminal device |
04/26/2007 | WO2007046288A1 Localization control device, localization control method, localization control program, and computer-readable recording medium |
04/26/2007 | WO2007045016A1 Spatial audio simulation |
04/26/2007 | US20070092100 Headrest surround channel electroacoustical transducing |
04/26/2007 | DE10228723B4 Verfahren zur Bewertung der Empfangsqualität eines Stereorundfunkempfängers und Stereorundfunkempfänger Method for evaluating the reception quality of a stereo radio receiver and stereo radio receiver |
04/25/2007 | EP1777991A2 Sound measuring apparatus and method, and audio signal processing apparatus |
04/25/2007 | EP1777989A2 Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device |
04/25/2007 | CN1954641A Audio system and method for stereo enhancement of decoded stereo signals |
04/25/2007 | CN1954362A Audio signal encoder and audio signal decoder |
04/24/2007 | US7210160 Audio/video programming and charging system and method |
04/24/2007 | US7209564 Generation of customized three dimensional sound effects for individuals |
04/18/2007 | EP1775995A1 Sound reproducing system and automobile using such sound reproducing system |
04/18/2007 | EP1775994A1 Sound image localization device |
04/18/2007 | CN2891565Y Mixer |
04/17/2007 | US7206414 Method and device for selecting a sound algorithm |
04/12/2007 | DE19936346B4 Ein audiosignalverarbeitendes Gerät An audio signal processing apparatus |
04/11/2007 | EP1621047B1 Audio signal generation |
04/11/2007 | CN1947172A Method, device, encoder apparatus, decoder apparatus and frequency system |
04/11/2007 | CN1946985A Sound information output device and sound information output method |
04/11/2007 | CN1946251A Frequency modulated transmitting apparatus |
04/10/2007 | US7203327 Apparatus for and method of processing audio signal |
04/10/2007 | US7203320 Sub-harmonic generator and stereo expansion processor |
04/04/2007 | CN1943273A Sound image localization controller |
04/04/2007 | CN1942962A Audio reproducing apparatus, audio reproducing method, and program |
04/04/2007 | CN1941073A Apparatus and method of canceling vocal component in an audio signal |
04/04/2007 | CN1308915C System for improving sound legibility |
04/03/2007 | US7200357 Automotive storage and playback device and method for using the same |
03/29/2007 | WO2007035072A1 Apparatus and method to cancel crosstalk and stereo sound generation system using the same |
03/29/2007 | WO2007035055A1 Apparatus and method of reproduction virtual sound of two channels |
03/29/2007 | WO2007034568A1 Sound reproduction system, and stereophonic microphone and stereophonic reproduction device that use the same |
03/29/2007 | DE102005035643A1 Audio data play-back device, is connected with network such as wireless local area network over network connection, and commands over network data link, where audio data are transmitted over network/internet to memory of play back device |
03/28/2007 | EP1768451A1 Acoustic signal encoding device and acoustic signal decoding device |
03/28/2007 | EP1767057A2 A system for and a method of providing improved intelligibility of television audio for hearing impaired |