Patents
Sitemap › H04 - Electric communication technique › H04S - Stereophonic systems › H04S 3 - Systems employing more than two channels, e.g. quadraphonic
Patents for H04S 3 - Systems employing more than two channels, e.g. quadraphonic (4,597)
05/2012
05/23/2012CN1938760B Multi-channel encoder
05/23/2012CN1753577B Method, apparatus, and computer readable medium to reproduce a 2-channel virtual sound
05/23/2012CN1671253B Test apparatus, test method, and computer program
05/23/2012CN102467909A 网络混音方法 Network mixing method
05/23/2012CN101253808B Method and apparatus for encoding and decoding an audio signal
05/23/2012CN101120615B Multi-channel encoder/decoder and related encoding and decoding method
05/23/2012CN101064974B Sound field controlling device
05/18/2012WO2012023791A3 Multi-channel audio signal compatible system and method
05/17/2012US20120121104 Wired, wireless, infrared, and powerline audio entertainment systems
05/16/2012CN102461213A 中心声道呈现 Center channel presentation
05/16/2012CN102461212A A surround sound system and method therefor
05/16/2012CN102456347A Realization system and method for split-type multi-channel synchronous play for multimedia file based on wireless transmission technology
05/10/2012WO2012059385A1 Data structure for higher order ambisonics audio data
05/09/2012EP2451196A1 Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
05/09/2012EP2450880A1 Data structure for Higher Order Ambisonics audio data
05/09/2012EP2319037B1 Reconstruction of multi-channel audio data
05/09/2012EP2304721B1 Spatial synthesis of multichannel audio signals
05/08/2012US8175729 Preserving matrix surround information in encoded audio/video system and method
05/08/2012US8175292 Audio signal processing
05/03/2012WO2012058198A1 Audio signal processing
05/02/2012CN102438200A Method for outputting audio signals and terminal equipment
05/01/2012US8170884 Use of voice-to-remaining audio (VRA) in consumer applications
05/01/2012US8170882 Multichannel audio coding
05/01/2012CA2540851C Compatible multi-channel coding/decoding
04/2012
04/26/2012WO2012054836A1 Estimation of synthetic audio prototypes
04/26/2012DE102010049204A1 Verfahren und Anordnung zur Optimierung der Raumparameter Beschallung, Beleuchtung und Klimatisierung Method and apparatus for optimizing the parameter space sound, lighting and air-conditioning
04/25/2012EP2445234A2 Image processing apparatus, sound processing method used for image processing apparatus, and sound processing apparatus
04/25/2012EP2443845A1 Audio auditioning device
04/25/2012EP2080411B1 Device and method for generating a number of loudspeaker signals for a loudspeaker array which defines a reproduction area
04/25/2012EP1680941B1 Multi-channel audio surround sound from front located loudspeakers
04/25/2012CN1922657B Decoding scheme for variable block length signals
04/25/2012CN1898988B Audio output apparatus
04/25/2012CN102428514A 使用高效下混合的音频解码器和解码方法 Use of efficient mixing of the audio decoder and decoding method
04/19/2012WO2012050382A2 Method and apparatus for downmixing multi-channel audio signals
04/19/2012WO2012025431A3 Concealment of intermittent mono reception of fm stereo radio receivers
04/18/2012EP2441072A1 Audio processing
04/18/2012CN1848242B Multi-channel audio frequency coder
04/18/2012CN101518101B 用于增加表示声场的音频信号的空间分辨率的方法和设备 Used to increase the representation space of the audio signal of the sound field resolution method and apparatus
04/17/2012US8160260 Circuit and program for processing multichannel audio signals and apparatus for reproducing same
04/12/2012WO2012045203A1 Method and apparatus for encoding/decoding multichannel audio signal
04/11/2012EP2438769A1 A surround sound system and method therefor
04/11/2012CN102413414A 用于扩展现实的高精度3维音频的系统和方法 High-precision three-dimensional augmented reality system and method for audio
04/10/2012US8155357 Apparatus and method of reproducing a 7.1 channel sound
04/10/2012US8155323 Method for improving spatial perception in virtual surround
04/10/2012CA2437764C Audio channel translation
04/05/2012WO2012040898A1 Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
04/04/2012EP2437417A2 Communication system, communication apparatus, and control method thereof
04/04/2012CN202183225U 一种电子笙 An electronic Sheng
04/04/2012CN102402978A 乐音装置 Musical device
04/04/2012CN101930742B 对多声道音频信号进行编码/解码的系统和方法 The multi-channel audio signal encoding / decoding system and method
04/04/2012CN101930741B 对多声道音频信号进行编码/解码的系统和方法 The multi-channel audio signal encoding / decoding system and method
04/03/2012CA2496474C Bass management systems
03/2012
03/29/2012WO2012038924A2 Enriching digital photographs
03/28/2012EP2434643A2 Speaker
03/28/2012EP2434491A1 Sound processing device and sound processing method
03/28/2012EP1865497B1 Acoustic signal decoding
03/28/2012CN102394059A Musical tone apparatus
03/28/2012CN101627424B Digital audio mixing
03/27/2012CA2473343C Multichannel downmixing device
03/21/2012EP2431971A1 Audio decoding method and audio decoder
03/21/2012EP2430843A1 Center channel rendering
03/21/2012CN102387460A Sound field controlling device
03/21/2012CN102387459A Method and apparatus for reproducing front surround sound
03/21/2012CN101510988B Method and apparatus for processing and playing voice signal
03/21/2012CN101160618B Compact side information for parametric coding of spatial audio
03/20/2012US8139797 Directional electroacoustical transducing
03/14/2012EP2429215A2 Speaker device
03/14/2012EP2427881A1 Multi channel audio processing
03/14/2012CN202168213U 多路音频混音控制系统 Multi-channel audio mixer control system
03/07/2012EP2426954A2 Multi-channel audio display
03/07/2012EP2426949A2 Method and apparatus for reproducing front surround sound
03/07/2012EP2425636A1 Spectral management system
03/07/2012CN1706222B Embedded data signaling
02/2012
02/29/2012EP2423658A1 Method and apparatus for correcting channel delay parameters of multi-channel signal
02/23/2012WO2012023864A1 Surround sound system
02/23/2012WO2012023791A2 Multi-channel audio signal compatible system and method
02/22/2012EP2324645B1 Apparatus for merging spatial audio streams
02/21/2012CA2507507C Multi-channel sound processing systems
02/21/2012CA2436295C Sound processing system with degraded signal optimization
02/16/2012WO2012021713A1 Active and passive directional acoustic radiating
02/16/2012US20120039492 Narrow profile speaker configurations and systems
02/15/2012EP2417701A1 Obtaining a desired non-zero phase shift using forward-backward filtering
02/15/2012EP2417597A1 Method and device for forming a mixed signal, method and device for separating signals, and corresponding signal
02/15/2012EP1362499B1 Method for apparatus for audio matrix decoding
02/15/2012CN101484936B 音频解码 Audio decoding
02/15/2012CN101336563B 低复杂度的音频矩阵解码器 Low complexity audio matrix decoder
02/14/2012US8116465 Measuring apparatus and method, and recording medium
02/14/2012US8116460 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
02/08/2012CN1857027B 指向性扬声器控制系统 Directional loudspeaker control system
02/08/2012CN102349235A Obtaining a desired non-zero phase shift using forward-backward filtering
02/08/2012CN101257740B 在多声道扬声器系统中再现多声道音频信号的方法和设备 Method and apparatus for reproducing the multi-channel audio signals in a multi-channel speaker system
02/01/2012EP1631119B1 Array speaker system
02/01/2012CN102340730A Method for playing multi-channel stereo by matching multiple mobile phones
02/01/2012CN102340729A Method for processing and restoring audio signal and system thereof
02/01/2012CN101819777B 基于复指数调制的滤波器组的高级处理和自适应时间信号传送方法 Advanced processing complex-exponential modulated filterbank and adaptive time-based signal transmission method
01/2012
01/31/2012US8108220 Techniques for accommodating primary content (pure voice) audio and secondary content remaining audio capability in the digital audio production process
01/26/2012WO2012011015A1 System and method for sound reproduction
01/26/2012WO2012009851A1 Audio signal synthesizer
01/25/2012EP2005787B1 Audio signal processing
01/25/2012CN102334348A Converter and method for converting an audio signal
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