61
Bernd Girod: Video-assisted audio signal processing system and method. Netergy Microelectronics, November 19, 2002: US06483532 (22 worldwide citation)

A circuit arrangement for controlling audio signal transmissions for a communications system that includes a microphone and a video camera. The arrangement comprises a video processor configured and arranged to receive a video signal from the video camera, detect movement of an object in the video s ...


62
Elmedyb Thomas Bo, Hellgren Johan: Audio feedback detection and suppression means. Oticon, November 2, 2006: EP1718110-A1 (21 worldwide citation)

The invention concerns an audio system comprising a microphone, audio signal processing means, an output transducer and mans for detecting a possible feedback tone and the corresponding frequency of the feedback tone in the audio system between the output transducer and the microphone. According to ...


63
Maegaki Hirochika: Amplifier, video signal and audio signal processing time shift correction method, and correction system. Yamaha, February 28, 2007: EP1758387-A1 (21 worldwide citation)

There is provided an amplifier that measures a display delay time caused until a video is displayed actually after a video signal is generated, and sets automatically a delay time of an audio signal such that an audio synchronizes with this display. Test video data is stored in a memory 11. This tes ...


64
Yoshiaki Tanaka, Shoji Ueno, Norihiko Fuchigami: Audio signal processing apparatus. Victor Company of Japan, Louis Woo, June 29, 2004: US06757659 (21 worldwide citation)

An audio signal encoding apparatus includes a device for compressing multiple-channel digital audio signals into compression-resultant multiple-channel signals respectively. The multiple-channel digital audio signals relate to a sampling frequency and a quantization bit number. The compression-resul ...


65
Michael H Kuhn, Herbert Piotrowski, Rudolf Geppert: Method of and arrangement for controlling the gain of an amplifier. U S Philips Corporation, Thomas A Briody, William J Streeter, Edward W Goodman, September 24, 1985: US04543537 (21 worldwide citation)

For processing a signal applied to an input of audio signal processing devices, for example a speech signal received via a microphone (2) in a speaker-identification or speech recognition system, the signal must have a specific level. For this purpose the signal is applied via an amplifier (4) with ...


66
Hans Leysieffer, Bernd Waldmann: System for rehabilitation of a hearing disorder. Cochlear, Connolly Bove Lodge & Hutz, May 20, 2008: US07376563 (20 worldwide citation)

A system for rehabilitation of a hearing disorder which comprises at least one acoustic sensor for picking up an acoustic signal and converting it into an electrical audio signal, an electronic signal processing unit for audio signal processing and amplification, an electrical power supply unit whic ...


67
Abner Spector: Effects box system and method. David J Harshman, April 2, 1985: US04509190 (20 worldwide citation)

A method and a system for rapidly attaining a large number of different sounds in an audio signal processing system. A preferred embodiment comprises an audio signal processing system which includes a main housing, containing a main circuit apparatus, cartridge-receiving recesses, and cartridges fab ...


68
Leon M Van De Kerkhof, Paulus M Boers, Hendrikus De Kluijver: Audio signal processing arrangement for deriving a centre channel signal and also an audio visual reproduction system comprising such a processing arrangement. U S Philips Corporation, Edward W Goodman, June 18, 1996: US05528694 (20 worldwide citation)

An audio signal processing arrangement includes a first filter (20) for splitting off signal components from the left channel signal (L) at least within one frequency band. Signal components are split off from the right channel signal (R) by a second filter (23). The output signals of the filters (2 ...


69
Yoshiaki Tanaka, Norihiko Fuchigami, Shoji Ueno: Recording medium and audio-signal processing apparatus. Victor Company of Japan, Connolly Bove Lodge & Hutz, October 21, 2003: US06636474 (19 worldwide citation)

A digital signal recording disc has a first area and a second area. The second area differs from the first area. The first area stores a first-channel digital audio signal and a second-channel digital audio signal. The first-channel digital audio signal results from quantizing a first-channel analog ...


70
Kotaro Terada, Mitsuhiko Ota: Audio signal processing device. Yamaha Corporation, Morrison & Foerster, July 14, 2009: US07561934 (19 worldwide citation)

In an audio signal processing device which processes audio signals and outputs the audio signals, setting controls, such as filter controls, for setting values of parameters for the signal processing and a display for presenting information by the presence or absence and the style of lighting of LED ...



Click the thumbnails below to visualize the patent trend.