Patents
Sitemap › H04 - Electric communication technique › H04S - Stereophonic systems › H04S 1 - Two-channel systems
Patents for H04S 1 - Two-channel systems (4,182)
05/2013
05/01/2013CN202918482U Vehicle-mounted Dolby surround sound playing device
04/2013
04/25/2013WO2013057948A1 Acoustic rendering device and acoustic rendering method
04/25/2013US20130100293 Electronic handheld audio/video receiver and listening/viewing device
04/25/2013US20130100288 Audio/video entertainment system and method
04/24/2013CN103069721A Reduction of spurious uncorrelation in fm radio noise
04/17/2013CN103053180A System and method for sound reproduction
04/11/2013WO2013051085A1 Audio signal processing device, audio signal processing method and audio signal processing program
04/10/2013CN103037300A Audio-signal processing device, audio-signal processing method, program and recording medium
03/2013
03/28/2013WO2013040738A1 A method and an apparatus for generating an acoustic signal with an enhanced spatial effect
03/27/2013CN1647582B Loudspeaker with GPS receiver
03/27/2013CN103004237A A method and apparatus for stereo enhancement of an audio system
03/20/2013CN102986247A Acoustic system
03/20/2013CN101276588B Method for outputting audio signals and audio decoder
03/13/2013CN102122508B Method, device, encoder apparatus, decoder apparatus and audio system
03/06/2013CN202772917U Multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology
03/05/2013US8391791 Distributed sound enhancement
03/05/2013US8391371 Embedded data signaling
02/2013
02/27/2013CN202759583U Audio acquisition device and audio recording device
02/27/2013CN202759558U Audio and video acquisition apparatus and system
02/20/2013EP2560160A1 Mixing processing method, device and system of audio signals
02/20/2013EP2559265A1 Method for selecting perceptually optimal hrtf filters in a database according to morphological parameters
02/20/2013CN102939771A Method for selecting perceptually optimal hrtf filters in database according to morphological parameters
02/19/2013CA2508220C Method and apparatus for processing two or more initially decoded audio signals received or replayed from a bitstream
02/06/2013CN101088237B Configurable recursive digital filter for processing television audio signals
01/2013
01/29/2013US8363855 Multichannel downmixing device
01/23/2013EP2549777A2 Method and apparatus for reproducing three-dimensional sound
01/23/2013CN102280107B Sideband residual signal generating method and device
01/23/2013CN101889307B Phase-amplitude 3-D stereo encoder and decoder
01/09/2013CN101406073B Enhanced method for signal shaping in multi-channel audio reconstruction
01/02/2013CN1860826B Apparatus and method of reproducing wide stereo sound
01/02/2013CN101946526B Stereophonic widening
01/02/2013CN101129088B Portable device with enhanced stereo image
12/2012
12/26/2012CN102843640A Sound control apparatus, program, and control method
12/19/2012CN102292769B Stereo encoding method and device
12/18/2012CA2515120C Sound processing system for configuration of audio signals in a vehicle
12/13/2012WO2012168765A1 Reducing head-related transfer function data volume
12/12/2012CN202602897U Sound channel automatic switching device
12/12/2012CN102823272A Headphones
12/06/2012WO2012164346A1 Head-related transfer function (hrtf) selection or adaptation based on head size
12/05/2012CN202587112U Double-sound track stereo mobile phone
12/05/2012CN102812731A Method and apparatus for reproducing three-dimensional sound
11/2012
11/29/2012WO2012161653A1 A processing method and processing apparatus for stereo audio output enhancement
11/29/2012DE10350475B4 Mehrkanalaudiosignalbegrenzer mit gemeinsamer Beschneidungserfassung Mehrkanalaudiosignalbegrenzer common with clipping detection
11/28/2012CN1932970B Method for generating harmonics using fourier transform and apparatus thereof, and method for enhancing sound and apparatus thereof
11/28/2012CN102802112A Electronic device with audio file format conversion function
11/22/2012WO2012158340A1 Blind source separation based spatial filtering
11/22/2012WO2012156232A1 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels
11/22/2012CA2835742A1 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels
11/14/2012EP2523472A1 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels
11/14/2012EP2522156A1 Compressor based dynamic bass enhancement with eq
11/14/2012CN1491066B Heat conduction of audio frequency device
11/13/2012CA2741722C Sound processing system with degraded signal optimization
11/08/2012WO2012150482A1 Encoding of stereophonic signals
11/08/2012US20120284754 Video/audio system and method enabling a user to select different views and sounds associated with an event
11/08/2012DE112011100216T5 Dynamische Bassverbesserung auf Kompressionsvorrichtungsbasis mit EQ Dynamic bass enhancement on compression device base with EQ
11/07/2012CN1835648B Position detecting system, speaker system, and user terminal apparatus
11/07/2012CN102771145A Compressor based dynamic bass enhancement with EQ
11/07/2012CN101489173B Signal processing apparatus, signal processing method
11/06/2012US8306578 Distributed sound enhancement
11/01/2012WO2012146658A1 Processing stereophonic audio signals
10/2012
10/31/2012EP2517484A1 Methods, apparatuses and computer program products for facilitating efficient browsing and selection of media content & lowering computational load for processing audio data
10/31/2012EP2517199A2 Improved method for encoding/decoding a stereo digital stream and associated encoding/decoding device
10/24/2012CN101556798B Multi-channel decoding system and method thereof
10/23/2012US8295496 Audio signal processing
10/18/2012WO2012141057A1 Sound field generating device, sound field generating system and method of generating sound field
10/17/2012CN102737647A Encoding and decoding method and encoding and decoding device for enhancing dual-track voice frequency and tone quality
10/09/2012US8284960 User adjustable volume control that accommodates hearing
10/03/2012CN101548555B Method for hiding information lost in multi-channel arrangement one or more channels
10/03/2012CN101465910B Control method, terminal and system for playing stereo based on mobile terminal
10/02/2012US8280462 Distributed sound enhancement
09/2012
09/27/2012WO2012127828A1 Hearing aid apparatus and sound control method
09/26/2012EP2502141A1 System and method of providing three dimensional sound at a wireless device
09/26/2012CN102696244A Multichannel audio system having audio channel compensation
09/19/2012CN102682779A Double-channel encoding and decoding method for 3D audio frequency and codec
09/13/2012WO2012120810A1 Audio control device and audio control method
09/12/2012EP2249336B1 Method and receiver for high frequency reconstruction of a stereo audio signal
09/12/2012CN1943273B Sound image localization controller
09/11/2012CA2771385A1 Synthetic stereo on a mono headset with motion sensing
09/06/2012US20120224729 Directional Electroacoustical Transducing
09/05/2012CN101609667B Method for realizing karaoke function in PMP player
09/05/2012CN101543098B decorrelator and method for generation of output signal, and audio decoder for producing multi-channel output signals
09/05/2012CN101015230B Audio signal enhancement
08/2012
08/29/2012CN1799283B 阵列扬声器系统 Array speaker system
08/28/2012US8254585 Stereo coding and decoding method and apparatus thereof
08/28/2012US8253865 Audio/video entertainment system and method
08/23/2012WO2012011015A9 System and method for sound reproduction
08/23/2012US20120213377 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
08/22/2012EP2489206A1 Processing of sound data encoded in a sub-band domain
08/21/2012US8249071 Audio related system communication protocol
08/15/2012EP2486736A2 Multichannel audio system having audio channel compensation
08/15/2012CN102638757A Digital audio signal processing method and system for generating and controlling digital reverberations for audio signals
08/14/2012US8243936 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
08/08/2012EP2485218A2 Graphical audio signal control
08/08/2012EP2484127A1 An apparatus
08/08/2012CN101536541B Apparatus for reproduction of stereo sound
08/08/2012CN101133679B Personalized headphone virtualization
08/07/2012US8239910 Video/audio system and method enabling a user to select different views and sounds associated with an event
08/07/2012US8238578 Electroacoustical transducing with low frequency augmenting devices
08/02/2012DE102011003450A1 Erzeugung von benutzerangepassten Signalverarbeitungsparametern Generation of user-adapted signal processing parameters
08/01/2012CN102625227A Signal extending system and transmission terminal and receiving terminal thereof
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 42