| Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597) |
|---|
| 06/19/2013 | CN101379552B Apparatus and method for encoding/decoding signal |
| 06/12/2013 | CN103152691A Auto volume control method for mixing of sound sources |
| 06/06/2013 | WO2013079993A1 Signal processing for audio scene rendering |
| 06/05/2013 | CN202979283U Medical intercom system |
| 06/05/2013 | CN101287308B Method for assigning a plurality of audio channels to a plurality of speakers and manager mode |
| 06/04/2013 | US8457340 Narrow profile speaker configurations and systems |
| 05/29/2013 | EP2596649A1 System and method for sound reproduction |
| 05/29/2013 | EP2596648A1 Apparatus for changing an audio scene and an apparatus for generating a directional function |
| 05/29/2013 | CN102158796B Sound processing system for configuration of audio signals in a vehicle |
| 05/23/2013 | US20130129123 Plurality of Mobile Communication Devices for Performing Locally Collaborative Operations |
| 05/22/2013 | EP2595152A2 Transkoding apparatus |
| 05/22/2013 | EP2595151A2 Transcoding apparatus |
| 05/22/2013 | EP2595150A2 Apparatus for coding multi-object audio signals |
| 05/22/2013 | EP2595149A2 Apparatus for transcoding downmix signals |
| 05/22/2013 | EP2595148A2 Apparatus for coding multi-object audio signals |
| 05/22/2013 | CN1650528B Multi-channel downmixing device |
| 05/22/2013 | CN103118322A Surround-sound sound-image processing system |
| 05/16/2013 | US20130121516 System and method for sound reproduction |
| 05/15/2013 | CN103109549A Apparatus for changing an audio scene and an apparatus for generating a directional function |
| 05/15/2013 | CN103109545A Active and passive directional acoustic radiating |
| 05/10/2013 | WO2013064943A1 Spatial sound rendering system and method |
| 05/10/2013 | WO2013064860A1 Audio scene rendering by aligning series of time-varying feature data |
| 05/08/2013 | CN103098494A Method and device for producing a downward compatible sound format |
| 05/01/2013 | EP2587835A1 Tunable multichannel headphone and method for assembling the same |
| 05/01/2013 | EP2586025A1 Audio signal synthesizer |
| 04/24/2013 | CN103067848A Multichannel method, device and system for achieving playing sounds |
| 04/24/2013 | CN103065634A Three-dimensional audio space parameter quantification method based on perception characteristic |
| 04/18/2013 | US20130094654 Spatial audio |
| 04/17/2013 | CN103053180A System and method for sound reproduction |
| 04/17/2013 | CN103052018A Audio-visual distance information recovery method |
| 04/17/2013 | CN101553867B A method and an apparatus for processing an audio signal |
| 04/10/2013 | CN103037301A Convenient adjustment method for restoring range information of acoustic images |
| 04/10/2013 | CN103037300A Audio-signal processing device, audio-signal processing method, program and recording medium |
| 04/10/2013 | CN102163429B Device and method for processing a correlated signal or a combined signal |
| 04/10/2013 | CN101977348B Filter designing method and method for processing virtual stereo surround signal |
| 04/04/2013 | DE102011108788B4 Verfahren zur Verarbeitung eines Audiosignals, Audiowiedergabesystem und Verarbeitungseinheit zur Bearbeitung von Audiosignalen A method of processing an audio signal, audio reproduction system and processing unit for processing audio signals, |
| 04/03/2013 | CN103021414A Method for distance modulation of three-dimensional audio system |
| 04/03/2013 | CN101952885B Device and method for synchronizing multi-channel expansion data with an audio signal and for processing the audio signal |
| 03/27/2013 | CN1647582B Loudspeaker with GPS receiver |
| 03/27/2013 | CN101431712B A multi-mode sound reproduction system and a corresponding method thereof |
| 03/20/2013 | EP2571290A1 Local sound field synthesis with a virtual scattering body |
| 03/20/2013 | CN202818484U Conference communication device and system |
| 03/20/2013 | CN102984642A Three-dimensional translation method for five loudspeakers |
| 03/13/2013 | EP2568702A1 Method and device for audio signal mixing processing |
| 03/13/2013 | CN102972047A Method and apparatus for reproducing stereophonic sound |
| 03/13/2013 | CN102122508B Method, device, encoder apparatus, decoder apparatus and audio system |
| 03/13/2013 | CN101690270B Method and device for adopting audio with enhanced remixing capability |
| 03/13/2013 | CN101379555B Apparatus and method for encoding/decoding signal |
| 03/12/2013 | CA2773294C Sound detection and localization system |
| 03/06/2013 | EP2566194A1 Method and device for processing audio in video communication |
| 03/05/2013 | US8391791 Distributed sound enhancement |
| 03/05/2013 | US8391508 Method for reproducing natural or modified spatial impression in multichannel listening |
| 03/05/2013 | US8391371 Embedded data signaling |
| 02/28/2013 | WO2013028393A1 Method and system for generating a matrix-encoded two-channel audio signal |
| 02/27/2013 | EP2561688A2 Method and apparatus for reproducing stereophonic sound |
| 02/27/2013 | EP2561687A1 Method and device for producing a downward compatible sound format |
| 02/27/2013 | CN102137327B Sound processing system for configuration of audio signals in a vehicle |
| 02/26/2013 | CA2436388C Sound processing system using distortion limiting techniques |
| 02/21/2013 | WO2013024200A1 Apparatus and method for multi-channel signal playback |
| 02/20/2013 | EP2560160A1 Mixing processing method, device and system of audio signals |
| 02/20/2013 | EP2559265A1 Method for selecting perceptually optimal hrtf filters in a database according to morphological parameters |
| 02/20/2013 | CN202750229U Surround sound 7.1 to surround sound 5.1 and stereo transformation device |
| 02/20/2013 | CN202750228U Surround sound to stereo transformation apparatus |
| 02/20/2013 | CN102939771A Method for selecting perceptually optimal hrtf filters in database according to morphological parameters |
| 02/20/2013 | CN101931853B 音频信号处理设备和音频信号处理方法 Audio signal processing apparatus and an audio signal processing method |
| 02/19/2013 | CA2508220C Method and apparatus for processing two or more initially decoded audio signals received or replayed from a bitstream |
| 02/13/2013 | CN102932730A Method and system for enhancing sound field effect of loudspeaker group in regular tetrahedron structure |
| 02/07/2013 | WO2013017502A1 Method for processing an audio signal, audio playback system, and processing unit for processing audio signals |
| 02/06/2013 | EP2553947A1 Method and device for decoding an audio soundfield representation for audio playback |
| 02/06/2013 | CN102915752A Vehicle-mounted automatic sound-mixing music player |
| 02/05/2013 | US8369533 Array speaker apparatus |
| 01/31/2013 | DE102011108788A1 Verfahren zur Verarbeitung eines Audiosignals, Audiowiedergabesystem und Verarbeitungseinheit zur Bearbeitung von Audiosignalen A method of processing an audio signal, audio reproduction system and processing unit for processing audio signals, |
| 01/31/2013 | DE102005001345B4 Verfahren und Vorrichtung zur Verarbeitung und Wiedergabe von Audiosignalen Method and apparatus for processing and playback of audio signals |
| 01/30/2013 | CN101658052B Method and apparatus for enhancement of audio reconstruction |
| 01/29/2013 | US8363855 Multichannel downmixing device |
| 01/23/2013 | CN101889307B Phase-amplitude 3-D stereo encoder and decoder |
| 01/17/2013 | US20130016843 Compatible multi-channel coding/decoding |
| 01/16/2013 | EP2545552A1 Method and system for scaling ducking of speech-relevant channels in multi-channel audio |
| 01/16/2013 | CN102007535B Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience |
| 01/10/2013 | WO2013006342A1 Synchronization and switchover methods and systems for an adaptive audio system |
| 01/10/2013 | WO2013006338A2 System and method for adaptive audio signal generation, coding and rendering |
| 01/10/2013 | WO2013006330A2 System and tools for enhanced 3d audio authoring and rendering |
| 01/10/2013 | WO2013006325A1 Upmixing object based audio |
| 01/10/2013 | WO2013004698A1 Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
| 01/10/2013 | WO2013004697A1 Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor |
| 01/10/2013 | CA2840132A1 Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
| 01/10/2013 | CA2837894A1 System and tools for enhanced 3d audio authoring and rendering |
| 01/10/2013 | CA2837893A1 System and method for adaptive audio signal generation, coding and rendering |
| 01/09/2013 | EP2544466A1 Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor |
| 01/09/2013 | EP2544465A1 Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
| 01/09/2013 | EP2543199A1 Method and apparatus for upmixing a two-channel audio signal |
| 01/09/2013 | CN101406073B Enhanced method for signal shaping in multi-channel audio reconstruction |
| 01/08/2013 | CA2757643C Audio decoder and decoding method using efficient downmixing |
| 01/03/2013 | WO2013000740A1 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation |
| 01/02/2013 | EP2541547A1 Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation |
| 01/02/2013 | EP2539892A1 Multichannel audio stream compression |
| 01/02/2013 | CN1860826B Apparatus and method of reproducing wide stereo sound |
| 01/02/2013 | CN102857856A Field programmable gate array-based (FPGA-based) multilevel sound mixing system |
| 01/02/2013 | CN102855116A Information processing apparatus, information processing method, and program |
| 01/02/2013 | CN101946526B Stereophonic widening |