| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
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| 01/25/2012 | CN101410890B Parameter calculator for guiding up-mixing parameter and method, audio channel reconfigure and audio frequency receiver including the parameter calculator |
| 01/24/2012 | US8103009 Wired, wireless, infrared, and powerline audio entertainment systems |
| 01/18/2012 | CN1509118B Directional electro-acoustic convertor |
| 01/18/2012 | CN102326417A Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| 01/11/2012 | CN102318372A Sound system |
| 01/11/2012 | CN102316406A Audio signal processing apparatus and audio signal processing method |
| 01/05/2012 | WO2011139090A3 Method and apparatus for reproducing stereophonic sound |
| 01/03/2012 | US8090115 Transmitting/receiving system, transmitting device, and device including speaker |
| 12/29/2011 | WO2011161567A1 A sound reproduction system and method and driver therefor |
| 12/29/2011 | WO2011160850A1 Apparatus for changing an audio scene and an apparatus for generating a directional function |
| 12/28/2011 | CN202094989U 一种双路多功能铝壳电话 One kind of aluminum dual multifunction phone |
| 12/28/2011 | CN1833466B 阵列扬声器系统 Array speaker system |
| 12/28/2011 | CN101490743B 对立体声音频信号的动态解码 Dynamic decoded stereo audio signal |
| 12/28/2011 | CN101253809B 用于编码和解码音频信号的装置及其方法 Apparatus and method for encoding and decoding an audio signal |
| 12/22/2011 | DE102009015174B4 Vorrichtung und Verfahren zur adaptiven Anpassung des Singularwiedergabebereiches in sterophonen Schallwiedergabesystemen an Hörerpositionen Apparatus and method for adaptive adjustment of the singular reproduction range in sterophonen sound reproduction systems to listener positions |
| 12/21/2011 | EP2398257A2 Audio channel spatial translation |
| 12/21/2011 | EP2000001B1 Method and arrangement for a decoder for multi-channel surround sound |
| 12/21/2011 | CN101695151B 多声道音频信号变换为双声道音频信号的方法和设备 Multi-channel audio signal is converted into two-channel audio signal method and apparatus |
| 12/21/2011 | CN101176382B 创建个人化声音区的系统和方法 Create a system and method for personalized voice area |
| 12/20/2011 | US8082050 Method and apparatus for processing two or more initially decoded audio signals received or replayed from a bitstream |
| 12/20/2011 | US8081763 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 12/15/2011 | WO2011153905A1 Method and device for audio signal mixing processing |
| 12/14/2011 | EP2394445A2 Sound system |
| 12/14/2011 | CN202077182U 一种双源音频矩阵 A dual source audio matrix |
| 12/14/2011 | CN202077181U 一种触摸屏音频矩阵装置 A touch-screen audio matrix devices |
| 12/14/2011 | CN202077180U 一种音频矩阵装置 An audio matrix means |
| 12/14/2011 | CN202077039U 一种主控板及音频矩阵 One kind of main board and audio matrix |
| 12/14/2011 | CN1857031B 音频特性校正系统 Audio characteristic correction system |
| 12/14/2011 | CN102282868A 没有反馈的频域有源矩阵解码的方法和系统 The active matrix decoded frequency-domain method and system without feedback |
| 12/14/2011 | CN101410889B 对作为听觉事件的函数的空间音频编码参数进行控制 As a function of auditory events for spatial audio coding parameters to control |
| 12/14/2011 | CN101253810B 用于编码和解码音频信号的装置及其方法 Apparatus and method for encoding and decoding an audio signal |
| 12/14/2011 | CN101223578B 多通道音频的编码和解码 Multi-channel audio encoding and decoding |
| 12/13/2011 | CA2420671C Method for apparatus for audio matrix decoding |
| 12/08/2011 | WO2011152044A1 Sound-generating device |
| 12/07/2011 | CN102273233A 音频通道空间转换 Audio channel space conversion |
| 12/07/2011 | CN102272840A 分布式空间音频解码器 Distributed spatial audio decoder |
| 12/07/2011 | CN102270456A 一种音频信号的混音处理方法及装置 Mixing processing method and apparatus an audio signal |
| 12/07/2011 | CN102270452A 近透明或透明的多声道编码器/解码器方案 Nearly transparent or transparent multi-channel encoder / decoder scheme |
| 12/07/2011 | CN101518100B 对话增强技术 Dialogue Enhancement Technology |
| 12/06/2011 | US8073144 Stereo balance interpolation |
| 12/01/2011 | WO2011083981A3 An apparatus for processing an audio signal and method thereof |
| 11/30/2011 | EP2391146A2 Lossless encoding and decoding methods and apparatus for multichannel signals |
| 11/30/2011 | CN102265647A 通过发送效果处理生成输出信号 Generating an output signal processing by sending effect |
| 11/30/2011 | CN101695150B 多声道音频编码方法、编码器、解码方法和解码器 Multichannel audio encoding method, an encoder, a decoding method and decoder |
| 11/24/2011 | US20110286602 System and method for enhanced streaming audio |
| 11/23/2011 | EP2389017A2 Audio signal processing device and audio signal processing method |
| 11/23/2011 | CN1883228B Array speaker device |
| 11/23/2011 | CN102257562A Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters |
| 11/23/2011 | CN101411063B Filter adaptive frequency resolution |
| 11/23/2011 | CN101248483B Generation of multi-channel audio signals |
| 11/22/2011 | US8065136 Multi-channel encoder |
| 11/16/2011 | CN102246544A Surround sound virtualizer and method with dynamic range compression |
| 11/16/2011 | CN102246543A Apparatus for generating a multi-channel audio signal |
| 11/15/2011 | US8059826 Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 11/10/2011 | WO2011139090A2 Method and apparatus for reproducing stereophonic sound |
| 11/10/2011 | US20110274279 System and method for enhanced streaming audio |
| 11/02/2011 | EP2384029A2 Signal generation for binaural signals |
| 11/02/2011 | EP2384028A2 Signal generation for binaural signals |
| 11/02/2011 | EP2382803A1 Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| 11/02/2011 | EP2382631A2 Distributed spatial audio decoder |
| 11/02/2011 | EP1999999B1 Generation of spatial downmixes from parametric representations of multi channel signals |
| 11/02/2011 | EP1699259B1 Audio output apparatus |
| 11/02/2011 | CN102231868A High-order-recording-way-based three-dimensional (3D) sound reproducing system |
| 10/27/2011 | WO2011131528A1 Method and device for producing a downward compatible sound format |
| 10/27/2011 | US20110261981 Vehicle sound system |
| 10/26/2011 | EP2381704A1 Audio outputting apparatus, video/audio reproducing apparatus and audio outputting method |
| 10/26/2011 | EP2380366A1 Method and system for frequency domain active matrix decoding without feedback |
| 10/26/2011 | EP2380365A1 Audio channel spatial translation |
| 10/26/2011 | EP2380364A1 Generating an output signal by send effect processing |
| 10/26/2011 | EP1844465B1 Parametric joint-coding of audio sources |
| 10/26/2011 | CN102227769A Decoding apparatus, decoding method, encoding apparatus, encoding method, and editing apparatus |
| 10/25/2011 | US8046093 System and method for enhanced streaming audio |
| 10/20/2011 | WO2011128583A1 Method for selecting perceptually optimal hrtf filters in a database according to morphological parameters |
| 10/20/2011 | WO2011127816A1 Mixing processing method, device and system of audio signals |
| 10/19/2011 | EP1921606B1 Energy shaping device and energy shaping method |
| 10/19/2011 | CN101213592B Device and method of parametric multi-channel decoding |
| 10/19/2011 | CN101151660B Multi-channel audio coder, demoder and method thereof |
| 10/18/2011 | US8041067 Earphone structure with a composite sound field |
| 10/13/2011 | US20110249820 Audio spatial effect enhancement |
| 10/12/2011 | EP2375789A2 Audio processing apparatus |
| 10/12/2011 | EP2375788A1 Head-related transfer function convolution method and head-related transfer function convolution device |
| 10/12/2011 | EP2375776A1 Speaker apparatus |
| 10/12/2011 | EP2374288A1 Surround sound virtualizer and method with dynamic range compression |
| 10/12/2011 | CN102217330A Method for generating a downward-compatible sound format |
| 10/06/2011 | WO2011044063A3 Multichannel audio system having audio channel compensation |
| 10/06/2011 | US20110243354 Wired, wireless, infrared, and powerline audio entertainment systems |
| 10/06/2011 | US20110243338 Surround sound virtualizer and method with dynamic range compression |
| 10/05/2011 | EP2373067A1 Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience |
| 10/05/2011 | EP2373054A1 Playback into a mobile target sound area using virtual loudspeakers |
| 10/05/2011 | EP1856948B1 Position-independent microphone system |
| 10/05/2011 | CN202004950U Numerical control sound column based three-dimensional sound system |
| 10/05/2011 | CN1774956B Audio signal synthesis |
| 10/05/2011 | CN102209988A Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues |
| 10/05/2011 | CN102209289A Signal processing device and method, and program |
| 10/05/2011 | CN102209288A Signal processing apparatus, signal processing method, and program |
| 10/04/2011 | US8031880 Vehicle audio system surround modes |
| 10/04/2011 | US8031879 Sound processing system using spatial imaging techniques |
| 09/29/2011 | WO2011117399A1 Method and device for decoding an audio soundfield representation for audio playback |
| 09/28/2011 | EP2368375A1 Converter and method for converting an audio signal |
| 09/28/2011 | EP1769655B1 Method, device, encoder apparatus, decoder apparatus and audio system |