Audio system and method using adaptive intelligence to distinguish information content of audio signals and to control signal processing function
An audio system and signal processor technology, applied in speech analysis, transducer circuits, instruments, etc., to solve problems such as optimizing audio amplifiers and users' inability to make adjustments fast enough
Inactive Publication Date: 2012-11-21
FENDER MUSICAL INSTRUMENTS CORPORATION
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Problems solved by technology
Audio amplifiers are rarely optimized for audio content because users forego making manual adjustments or because users cannot make adjustments fast enough to keep track of changing audio content
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[0038] The invention is described in one or more embodiments in the following description with reference to the accompanying drawings in which like reference numbers represent the same or similar elements. While the invention has been described in terms of the best mode for carrying out its purposes, those skilled in the art will understand that it is intended to cover alternatives as may be included within the spirit and scope of the invention as defined by the appended claims. , modifications and equivalents and their equivalents supported by the following disclosure and accompanying drawings.
[0039] refer to figure 1 , the audio sound system 10 includes an audio sound source 12 that provides electrical signals representative of sound content. Audio sound source 12 may be an antenna that receives audio signals from a transmitter or a satellite. Alternatively, audio sound source 12 may be a compact disc (CD), memory drive, audio cassette or cellular phone, mobile audio s...
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A consumer audio system comprising a signal processor coupled for receiving an audio signal, wherein dynamic content of the audio signal controls operation of the signal processor. The audio signal is sampled into a plurality of frames. The sampled audio frames are separated into sub-frames according to the type or frequency content of the sound generating source. A time domain processor generates time domain parameters from the separated sub-frames. A frequency domain processor generates frequency domain parameters from the separated sub-frames. The time domain processor or frequency domain processor can detects onset of a note of the audio signal. A signature database has signature records each having time domain parameters and frequency domain parameters and control parameters. A recognition detector matches the time domain parameters and frequency domain parameters of the separated sub-frames to a signature record of the signature database. The control parameters of the matching signature record control operation of the signal processor.
Description
[0001] domestic priority claims [0002] This application is a continuation-in-part of US Patent Application Serial No. 13 / 109,665 filed May 17, 2011 and claims priority under 35 U.S.C. § 120 to the aforementioned parent application. technical field [0003] The present invention relates generally to audio systems and more particularly to an audio system and method that uses adaptive intelligence to distinguish dynamic content of audio signals generated by consumer audio and to control signal processing functions associated with the audio signals. Background technique [0004] Audio sound systems are commonly used to amplify signals and reproduce audible sounds. Sound generating sources such as cellular telephones, mobile audio systems, multimedia players, home entertainment systems, Internet streaming, computers, notebook computers, video games, or other electronic devices generate electrical audio signals. The audio signal is routed to an audio amplifier, which controls ...
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IPC IPC(8): H04R3/00
CPCG10H2210/051G10L25/54G10H2240/131G10H3/186G10H1/02H04S7/307
Inventor K.L.查普曼S.J.科蒂邝志云
Owner FENDER MUSICAL INSTRUMENTS CORPORATION