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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 (74 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 ...


12
Kia Silverbrook, Tobin Allen King: Handheld mobile communications device with a detachable printing mechanism. Silverbrook Research, August 15, 2006: US07092130 (73 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 ...


13
Kia Silverbrook: Handheld mobile communications device with a detachable printing mechanism and receptacle having an interface. Silverbrook Research, January 9, 2007: US07161715 (72 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 ...


14
Neil Charles Schoen: Simultaneous multi-user audio re-transmission digital radio module. August 19, 2003: US06609039 (72 worldwide citation)

A digital audio signal processing and distribution sub-assembly unit, plug compatible or integratable with single user digital radios, for audio channels and simultaneous re-transmission to multiple user headsetss. The sub-assembly will enable multiple users to select individual channels for listeni ...


15
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 (68 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 ...


16
Duane H Cooper, Jerald L Bauck: Head diffraction compensated stereo system with loud speaker array. Welsh & Katz, July 26, 1994: US05333200 (61 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 ...


17
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 (60 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 ...


18
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 ...


19
Raimund Martin, Werner Hohn, Reinhard Kern: Programmable hearing aid. Siemens Augiologische Technik, Hill Steadman & Simpson, January 20, 1998: US05710820 (52 worldwide citation)

A hearing aid that has an analog part with a Class D final amplifier stage for audio signal processing, a digital part with an interface, a memory stage as well as supply stage for generating the voltage and control signals. The hearing aid has a utilized integrated circuit which also includes a pre ...


20
Tae hwa Jeong: Score evaluation display device for an electronic song accompaniment apparatus. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas, July 18, 1995: US05434949 (51 worldwide citation)

A score evaluation display device for an electronic song accompaniment apparatus has an audio signal processing unit to evaluate a user's singing. A sampling processor samples the difference between an input song signal from a microphone and reference song signal, a volume deference detector detects ...



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