Audio System and Method of Using Adaptive Intelligence to Distinguish Information Content of Audio Signals in Consumer Audio and Control Signal Processing Function
A consumer audio system has a signal processor coupled for receiving an audio signal. 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.
1 . A consumer audio system, comprising a signal processor coupled for receiving an audio signal from a consumer audio source, wherein dynamic content of the audio signal controls operation of the signal processor.
2 . The consumer audio system of claim 1 , further including:
a time domain processor coupled for receiving the audio signal and generating time domain parameters of the audio signal;
a frequency domain processor coupled for receiving the audio signal and generating frequency domain parameters of the audio signal;
a signature database including a plurality of signature records each having time domain parameters and frequency domain parameters and control parameters; and
a recognition detector for matching the time domain parameters and frequency domain parameters of the audio signal to a signature record of the signature database, wherein the control parameters of the matching signature record control operation of the signal processor.
3 . The consumer audio system of claim 2 , wherein the time domain processor or frequency domain processor detects onset of a note of the audio signal.
4 . The consumer audio system of claim 2 , wherein the time domain parameters include a beat detector, loudness detector, and note temporal.
5 . The consumer audio system of claim 2 , wherein the frequency domain parameters include a pitch detector, note spectral, note partial, note inharmonicity, attack frequency, and harmonic derivative.
6 . The consumer audio system of claim 1 , wherein the signal processor includes a pre-filter, pre-effects, non-linear effects, user-defined module, post-effects, post-filter, or power amplification.
7 . The consumer audio system of claim 1 , wherein the audio signal is sampled into a plurality of frames of the sampled audio signal.
8 . The consumer audio system of claim 1 , wherein the sampled audio signal is separated into sub-frames.
9 . The audio system of claim 1 , wherein the audio signal is generated by an instrument, vocals, computer, or electronic device.
10 . A method of controlling a consumer audio system, comprising:
providing a signal processor adapted for receiving an audio signal from a consumer audio source; and
controlling operation of the signal processor using dynamic content of the audio signal.
11 . The method of claim 10 , further including:
generating time domain parameters of the audio signal;
generating frequency domain parameters of the audio signal;
providing a signature database including a plurality of signature records each having time domain parameters and frequency domain parameters and control parameters;
matching the time domain parameters and frequency domain parameters of the audio signal to a signature record of the signature database; and
controlling operation of the signal processor based on the control parameters of the matching signature record.
12 . The method of claim 11 , further including:
sampling the audio signal into a plurality of frames;
separating the sampled audio signal into sub-frames; and
generating the time domain parameters and frequency domain parameters based on the separated sub-frames.
13 . The method of claim 11 , wherein the time domain processor or frequency domain processor detects onset of a note of the audio signal.
14 . The method of claim 11 , wherein the time domain parameters include a beat detector, loudness detector, and note temporal.
15 . The method of claim 11 , wherein the frequency domain parameters include a pitch detector, note spectral, note partial, note inharmonicity, attack frequency, and harmonic derivative.
16 . The method of claim 10 , wherein the signal processor includes a pre-filter, pre-effects, non-linear effects, user-defined module, post-effects, post-filter, or power amplification.
17 . The method of claim 10 , further including generating the audio signal with an instrument, vocals, computer, or electronic device.
18 . A consumer audio system, comprising:
a signal processor coupled for receiving an audio signal from a consumer audio source;
a time domain processor coupled for receiving the audio signal and generating time domain parameters of the audio signal;
a frequency domain processor coupled for receiving the audio signal and generating frequency domain parameters of the audio signal;
a signature database including a plurality of signature records each having time domain parameters and frequency domain parameters and control parameters; and
a recognition detector for matching the time domain parameters and frequency domain parameters of the audio signal to a signature record of the signature database, wherein the control parameters of the matching signature record control operation of the signal processor.
19 . The consumer audio system of claim 18 , wherein the signal processor includes a pre-filter, pre-effects, non-linear effects, user-defined module, post-effects, post-filter, or power amplification.
20 . The consumer audio system of claim 18 , wherein the audio signal is sampled into a plurality of frames of the sampled audio signal.
21 . The consumer audio system of claim 18 , wherein the sampled audio signal is separated into sub-frames.
22 . The consumer audio system of claim 18 , wherein the time domain parameters include a beat detector, loudness detector, and note temporal, and the frequency domain parameters include a pitch detector, note spectral, note partial, note inharmonicity, attack frequency, and harmonic derivative.
23 . The consumer audio system of claim 18 , wherein the signal processor includes a pre-filter, pre-effects, non-linear effects, user-defined module, post-effects, post-filter, or power amplification.
24 . The consumer audio system of claim 18 , wherein the audio signal is generated by an instrument, vocals, computer, or electronic device.
25 . A method of controlling a consumer audio system, comprising:
providing a signal processor adapted for receiving an audio signal from a consumer audio source;
generating time domain parameters of the audio signal;
generating frequency domain parameters of the audio signal;
providing a signature database including a plurality of signature records each having time domain parameters and frequency domain parameters and control parameters;
matching the time domain parameters and frequency domain parameters of the audio signal to a signature record of the signature database; and
controlling operation of the signal processor based on the control parameters of the matching signature record.
26 . The method of claim 25 , wherein the signal processor includes a pre-filter, pre-effects, non-linear effects, user-defined module, post-effects, post-filter, or power amplification.
27 . The method of claim 25 , further including:
sampling the audio signal; and
separating the sampled audio signal into sub-frames; and
generating the time domain parameters and frequency domain parameters based on the separated sub-frames.
28 . The method of claim 25 , further including detecting an onset of a note of the audio signal.
29 . The method of claim 25 , wherein the time domain parameters include a beat detector, loudness detector, and note temporal.
30 . The method of claim 25 , wherein the frequency domain parameters include a pitch detector, note spectral, note partial, note inharmonicity, attack frequency, and harmonic derivative.
31 . The method of claim 25 , further including generating the audio signal with an instrument, vocals, computer, or electronic device.