Patents
Patents for H04S 7 - Indicating arrangements; Control arrangements, e.g. balance control (4,080)
05/2004
05/06/2004US20040086130 Multi-channel sound processing systems
05/06/2004EP1416769A1 Object-based three-dimensional audio system and method of controlling the same
05/06/2004EP1416768A2 Audio apparatus
05/06/2004EP1416767A1 Device for monitoring musical performances and/or audio signals from video games or similar
05/06/2004CA2502585A1 Dynamic binaural sound capture and reproduction
05/04/2004US6731759 Audio signal reproduction device
04/2004
04/22/2004US20040076301 Dynamic binaural sound capture and reproduction
04/21/2004EP1410686A2 Audio channel translation
04/21/2004CN1491480A Digital audio processor
04/15/2004WO2003079725A3 Resonator device and associated circuits
04/15/2004US20040071301 Mixing method, mixing apparatus, and program for implementing the mixing method
04/15/2004US20040071294 Method and apparatus for automatically configuring surround sound speaker systems
04/14/2004EP1408718A1 Sound image localizer
04/14/2004EP1040466B1 Surround signal processing apparatus and method
04/13/2004US6721428 Automatic loudspeaker equalizer
04/08/2004WO2003073791A3 Method and device for control of a unit for reproduction of an acoustic field
04/08/2004US20040068402 Digital audio processor
04/08/2004DE10341792A1 Stereophonie-Gerät mit Mehrfachschaltfunktion und Gerät zum Steuern eines Tonsignals Stereophonic device with multiple switching function and device for controlling an audio signal
04/06/2004US6718042 Dithered binaural system
04/01/2004DE10242558A1 Car audio system, has common loudness control which raises loudness of first audio signal while simultaneously reducing loudness of audio signal superimposed on it
03/2004
03/31/2004EP1404042A1 Mixing method, mixing apparatus, and program for implementing the mixing method
03/31/2004EP1402755A2 Method and apparatus to create a sound field
03/25/2004WO2004025829A1 A stereophonic apparatus having multiple switching function and an apparatus for controlling sound signal
03/25/2004WO2003094369A3 Multi-channel downmixing device
03/25/2004WO2002063925A8 Audio channel translation
03/17/2004CN1142704C Acoustic-image positioning treatment apparatus and method thereof
03/16/2004US6707918 Formulation of complex room impulse responses from 3-D audio information
03/11/2004WO2003094396A3 Discrete surround audio system for home and automotive listening
03/10/2004EP1397021A1 Vehicle-mounted stereophonic sound field reproducer/silencer
03/10/2004EP1396173A2 Method of generating a left modified and a right modified audio signal for a stereo system
03/10/2004EP1216604B1 Method for continuously controlling the quality of distributed digital sounds
03/04/2004CA2494454A1 Audio channel spatial translation
03/03/2004EP1393592A2 Data-driven software architecture for digital sound processing and equalization
03/03/2004EP1393591A2 Automatically adjusting audio system
02/2004
02/24/2004US6696633 Electronic tone generating apparatus and signal-processing-characteristic adjusting method
02/19/2004WO2002063925A3 Audio channel translation
02/19/2004US20040032960 Multichannel downmixing device
02/18/2004EP1389892A2 Sound processing system using distortion limiting techniques
02/18/2004CN1476736A Remote control apparatus and receiver and audio system
02/18/2004CN1476667A Power amplification for parametric loudspeakers
02/18/2004CN1139300C Method and system for processing audio surround signal
02/12/2004WO2004014105A1 Audio processing system
02/12/2004WO2004013853A1 Information recoding medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program, and data structure
02/05/2004US20040021351 Seatback audio controller
02/04/2004EP1387601A2 Sound processing system with adaptive mixing of active matrix decoding and passive matrix processing
02/04/2004EP1386415A1 Parametric virtual speaker and surround-sound system
02/04/2004CN1473451A Portable multi-channel amplifier
02/03/2004US6687378 Vehicle-mounted acoustic system
01/2004
01/31/2004CA2436388A1 Sound processing system using distortion limiting techniques
01/28/2004CN1471340A Multi acoustic source circulating audio-frequency device
01/28/2004CN1136758C Audio surround signal processing, transmitting, and receiving system, recording device and its method
01/22/2004WO2004008805A1 Audio coding
01/22/2004US20040015983 Method and apparatus for a data receiver and controller for the facilitation of an enhanced television viewing environment
01/22/2004US20040013277 Method for sound adjustment of a plurality of audio sources and adjusting device
01/22/2004US20040013271 Method and system for recording and reproduction of binaural sound
01/21/2004CN1469684A Method and apparatus for generating multi-sound channel sound
01/20/2004US6681019 Polarity determining circuit for loudspeakers, an audio circuit having a function of determining polarities of loudspeakers, and an audio circuit having functions of determining polarities of loudspeakers and switching the polarities
01/15/2004US20040008851 Digital compressor for multi-channel audio system
01/15/2004US20040008847 Method and apparatus for producing multi-channel sound
01/14/2004EP1381254A2 Method and apparatus for producing multi-channel sound
01/14/2004EP1380188A1 Method and circuit for headset listening of an audio recording
01/14/2004CN2599886Y Digital voice mixing device
01/08/2004WO2003075609A3 User controlled multi-channel audio conversion system
01/08/2004WO2003030589A3 Sound reproduction systems
01/08/2004WO2002078388A3 Method and apparatus to create a sound field
01/08/2004US20040005067 Drive apparatus for volume control devices
01/07/2004CN1134206C Sound-reproducing device earphone device and signal processing device therefor
01/02/2004EP1377124A2 Multi-source surround audio apparatus
01/02/2004EP1377122A2 Sound data delay unit
01/02/2004EP1374637A2 A method of synthesising an approximate impulse response function
01/01/2004US20040002781 Methods and apparatuses for adjusting sonic balace in audio reproduction systems
01/01/2004US20040001596 Sound data delay unit
01/01/2004US20040001403 Multi-source surround audio apparatus
12/2003
12/31/2003WO2004002194A1 Device for stereophonic reproduction in a vehicle and a vehicle equipped thus
12/31/2003WO2004002192A1 System and method for automatic room acoustic correction
12/31/2003WO2003071827A3 Compact surround-sound system
12/30/2003US6671378 Detection of noise in a frequency demodulated FM audio broadcast signal
12/25/2003US20030235318 System and method for automatic room acoustic correction in multi-channel audio environments
12/24/2003WO2003107719A1 Method of digital equalisation of a sound from loudspeakers in rooms and use of the method
12/24/2003CN1132145C 用于处理声学虚拟环境中的定向声的方法和系统 Method and system for processing the acoustic virtual environment directional sound
12/18/2003WO2003104924A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
12/18/2003WO2002041664A3 Automatically adjusting audio system
12/18/2003CA2488689A1 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
12/17/2003EP1371268A2 System and method for automatically adjusting the sound and visual parameters of a home theatre system
12/17/2003EP1371266A2 Method of deriving a head-related transfer function
12/17/2003EP1371265A2 Signal processing apparatus, signal processing method, program and recording medium
12/11/2003WO2003103336A2 Method and system for audio imaging
12/11/2003WO2003030588A3 Method and device for selecting a sound algorithm
12/11/2003US20030227476 Distinguishing real-world sounds from audio user interface sounds
12/10/2003EP1370115A2 Sound image control system
12/10/2003EP1368936A2 Vehicle audio system
12/04/2003WO2003101150A1 Method and device for generating data about the mutual position of at least three acoustic transducers
12/04/2003WO2002098172A3 Method of generating a left modified and a right modified audio signal for a stereo system
12/04/2003US20030223602 Method and system for audio imaging
12/02/2003US6658117 Sound field effect control apparatus and method
12/02/2003US6655212 Sound field measuring apparatus and method
11/2003
11/27/2003WO2002091798A3 Data-driven software architecture for digital sound processing and equalization
11/27/2003WO2002078396B1 System and method for automatically adjusting the sound and visual parameters of a home theatre system
11/26/2003CN2588716Y Multi-sound source distributor
11/26/2003CN1129346C Method and device for producing multi-way sound channel signal from single sound signal
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