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Class Information
Number: 381/307
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement > Surround (i.e., front plus rear or side)
Description: Subject matter in which, in addition to having at least one transducer arranged forward of a listening position, at least one transducer is arranged laterally or to the back of the listening position.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8126172 |
Spatial processing stereo system |
Feb. 28, 2012 |
| 8126173 |
System and method for expanding multi-speaker playback |
Feb. 28, 2012 |
| 8121318 |
Two channel audio surround sound circuit with automatic level control |
Feb. 21, 2012 |
| 8121319 |
Tracking system using audio signals below threshold |
Feb. 21, 2012 |
| 8111830 |
Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
Feb. 7, 2012 |
| 8098856 |
Wireless communications devices with three dimensional audio systems |
Jan. 17, 2012 |
| 8090116 |
Vehicle directional electroacoustical transducing |
Jan. 3, 2012 |
| 8086448 |
Dynamic modification of a high-order perceptual attribute of an audio signal |
Dec. 27, 2011 |
| 8073169 |
Controlling fading and surround signal level |
Dec. 6, 2011 |
| 8054998 |
Multichannel amplifier |
Nov. 8, 2011 |
| 8041060 |
Surround-sound system |
Oct. 18, 2011 |
| RE42737 |
Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment |
Sep. 27, 2011 |
| 8027494 |
Acoustic image creation system and program therefor |
Sep. 27, 2011 |
| 8027485 |
Multiple channel audio system supporting data channel replacement |
Sep. 27, 2011 |
| 7978865 |
Audio processing apparatus |
Jul. 12, 2011 |
| 7974425 |
Sound system and method of sound reproduction |
Jul. 5, 2011 |
| 7957540 |
Automobile audio system |
Jun. 7, 2011 |
| RE42390 |
Sound signal playback machine and method thereof |
May. 24, 2011 |
| 7929709 |
Sound image localization apparatus |
Apr. 19, 2011 |
| 7929719 |
Audio signal editing apparatus and control method therefor |
Apr. 19, 2011 |
| 7920711 |
Audio device and method for generating surround sound having first and second surround signal generation units |
Apr. 5, 2011 |
| 7920710 |
Loudspeaker apparatus |
Apr. 5, 2011 |
| 7920707 |
Audio system |
Apr. 5, 2011 |
| 7889878 |
Speaker array apparatus and method for setting audio beams of speaker array apparatus |
Feb. 15, 2011 |
| 7864963 |
Effect imparting apparatus for controlling two-dimensional sound image localization |
Jan. 4, 2011 |
| 7856110 |
Audio processor |
Dec. 21, 2010 |
| 7835535 |
Virtualizer with cross-talk cancellation and reverb |
Nov. 16, 2010 |
| 7804972 |
Method and apparatus for calibrating a sound beam-forming system |
Sep. 28, 2010 |
| 7801734 |
Systems and methods of remotely enabling sound enhancement techniques |
Sep. 21, 2010 |
| 7783059 |
Acoustic device |
Aug. 24, 2010 |
| 7764805 |
Apparatus for generating surround signal from two-channel stereo signal |
Jul. 27, 2010 |
| 7756275 |
Dynamically controlled digital audio signal processor |
Jul. 13, 2010 |
| 7720229 |
Method for measurement of head related transfer functions |
May. 18, 2010 |
| 7715575 |
Room impulse response |
May. 11, 2010 |
| 7706543 |
Method for processing audio data and sound acquisition device implementing this method |
Apr. 27, 2010 |
| 7706544 |
Audio reproduction system and method for reproducing an audio signal |
Apr. 27, 2010 |
| 7680290 |
Sound reproducing apparatus and method for providing virtual sound source |
Mar. 16, 2010 |
| 7676049 |
Reconfigurable audio-video surround sound receiver (AVR) and method |
Mar. 9, 2010 |
| 7664270 |
3D audio signal processing system using rigid sphere and method thereof |
Feb. 16, 2010 |
| 7606380 |
Method and system for sound beam-forming using internal device speakers in conjunction with external speakers |
Oct. 20, 2009 |
| 7577260 |
Method and apparatus to direct sound |
Aug. 18, 2009 |
| 7567675 |
System and method for automatic multiple listener room acoustic correction with low filter orders |
Jul. 28, 2009 |
| 7567845 |
Ambience generation for stereo signals |
Jul. 28, 2009 |
| 7558393 |
System and method for compatible 2D/3D (full sphere with height) surround sound reproduction |
Jul. 7, 2009 |
| 7545946 |
Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges |
Jun. 9, 2009 |
| 7542815 |
Extraction of left/center/right information from two-channel stereo sources |
Jun. 2, 2009 |
| 7502477 |
Audio reproducing apparatus |
Mar. 10, 2009 |
| 7463740 |
Sound data processing apparatus for simulating acoustic space |
Dec. 9, 2008 |
| 7457421 |
Circuit and program for processing multichannel audio signals and apparatus for reproducing same |
Nov. 25, 2008 |
| 7454022 |
Multi-mode ambient soundstage system |
Nov. 18, 2008 |
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