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Donald Lars Duttweiler, Barin Geoffry Haskell: Video conferencing system and method for providing enhanced interactive communication. Lucent Technologies, October 6, 1998: US05818514 (78 worldwide citation)

A system and method for enhancing interactive communication between video conferencing devices of the type in which a delay is inserted into the audio transmission path to provide lip synchronization of the image and speech of the respective users thereof. Each video conferencing device includes a d ...


12
James D Reekes, Kipley J Olson: Method and apparatus for object-oriented digital audio signal processing using a chain of sound objects. Apple Computer, Helene Plotka Workman, January 7, 1997: US05592588 (78 worldwide citation)

An object-oriented audio signal processing system is disclosed. The signal processing system is capable of converting virtually any sound resource into a format which can be used by associated sound hardware to produce a sound. A signal processing system incorporating the invention comprises one or ...


13
Kia Silverbrook, Tobin Allen King: Handheld mobile communications device with a detachable printing mechanism. Silverbrook Research, August 15, 2006: US07092130 (76 worldwide citation)

A handheld mobile communications device includes a support structure. Radio signal processing circuitry is positioned on the support structure and is configured to receive and transmit radio signals. Audio signal processing circuitry is positioned on the support structure and is operatively connecte ...


14
Kia Silverbrook: Handheld mobile communications device with a detachable printing mechanism and receptacle having an interface. Silverbrook Research, January 9, 2007: US07161715 (75 worldwide citation)

A handheld mobile communications device comprising: a support structure; radio signal processing circuitry positioned on the support structure and configured to receive and transmit radio signals; audio signal processing circuitry positioned on the support structure and operatively connected to the ...


15
Kun Lin, Jonathan Mayer, James Martin Nohrden: Dynamic volume control system. Crystal Semiconductor Corporation, Peter Rutowski, Ken J Koestner, Skjerven Morrill MacPherson Franklin & Friel, July 11, 2000: US06088461 (74 worldwide citation)

A dynamic volume control system in an audio processor uses gain and delay signals from a digital signal processor to dynamically control the user-selected volume of the audio processor. The digital signal processor executes audio signal processing operations that affect the gain applied to the audio ...


16
Louis Dunn Fielder: Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment. Dolby Laboratories Licensing Corporation, David N Lathrop, Gallagher & Lathrop, September 26, 2000: US06124895 (69 worldwide citation)

Several audio signal processing techniques may be used in various combinations to improve the quality of audio represented by an information stream formed by splice editing two or more other information streams. The techniques are particularly useful in applications that bundle audio information wit ...


17
Abhijit Kulkarni: Audio signal processing. Bose Corporation, Fish & Richardson P C, February 10, 2009: US07490044 (65 worldwide citation)

An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands accor ...


18
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system with loud speaker array. Welsh & Katz, July 26, 1994: US05333200 (62 worldwide citation)

A stereo audio processing system for a stereo audio signal processing reproduction that provides improved source imaging and simulation of desired listening environment acoustics while retaining relative independence of listener movement. The system first utilizes a synthetic or artificial head micr ...


19
Ishido So, Matsumoto Masaharu, Miyasaka Shuji, Fujita Takashi, Katayama Takashi: Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment. Matsushita Electric Industrial, September 11, 2000: TW405328 (61 worldwide citation)

An audio decoding apparatus is provided for receiving a bit stream on a block-by-block basis, decoding one block of the bit stream to form decoded audio data for a plurality of channels, and storing the decoded audio data for each of the plurality of channels in a memory device, thereby down-mixing ...


20
Hans Leysieffer: Implantable hearing system with means for measuring its coupling quality. Cochlear, David B Safran, Nixon Peabody, April 29, 2003: US06554762 (57 worldwide citation)

An at least partially implantable system for rehabilitation of a hearing disorder comprising at least one acoustic sensor for picking up acoustic sensor signals and converting the acoustic sensor signals into corresponding electrical audio sensor signals; an electronic signal processing unit for aud ...



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