SIGNATURE TUNING FILTERS

• US 20160286312A1
• Filed: 11/13/2014
• Published: 09/29/2016
• Est. Priority Date: 11/13/2013
• Status: Active Grant

• Current Assignee: Om Audio, Llc
• Original Assignee: Om Audio, Llc
• Inventors: DEVILLEZ, David, CONREY, James, BERGMAN, Devon
• Granted Patent: US 10,375,476 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 3/165 Management of the audio stream, e.g. setting of volume, audio stream path
• CPC Class Codes: G10L 19/008 Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
• CPC Class Codes: G10L 19/173 Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
• CPC Class Codes: G10L 21/02 Speech enhancement, e.g. noise reduction or echo cancellation reducing echo effects in line transmission systems H04B3/20; echo suppression in hands-free telephones H04M9/08
• CPC Class Codes: H04R 3/04 for correcting frequency response
• CPC Class Codes: H04S 2420/03 Application of parametric coding in stereophonic audio systems
• CPC Class Codes: H04S 3/008 in which the audio signals are in digital form, i.e. employing more than two discrete digital channels data reduction aspects thereof based on psychoacoustics G10L19/02
• CPC Class Codes: H04S 7/307 Frequency adjustment, e.g. tone control H04S7/301 takes precedence

Abstract

A method of providing audio information, said method comprising: (i) receiving audio filter settings in a client device; (ii) receiving audio data in the client device, wherein the received audio data is in an audio coding format; (iii) converting the audio filter settings to an audio filter signal in a processor of the client device, where the audio filter signal is a time-varying signal; (iv) converting the received audio data to an audio signal in a processor of the client device, where the audio signal is a time-varying signal; and (v) transmitting the converted audio filter signal and the converted audio signal from the client device to an audio output device, where the audio output device is separate from and in communication with the client device, and where the audio output device is configured for modifying the audio signal according to the audio filter signal to generate a time-varying audio output.

Claims

7. A client device for providing information to an audio output device, said client device comprising:

an input for accepting audio filter settings and audio data,

a programmable processor, and

an output,

where said programmable processor is programmed to;

receive audio filter settings in the client device;

receive audio data in the client device; and

provide said audio filter settings and said audio data from said client device to said output,

where said output is connected to an audio output device separate from and in communication with the client device, and where said audio output device is configured for modifying said audio data according to the audio filter settings to generate a continuous audio output.

8. The client device of claim 7, wherein said client device includes computer memory, and where said programmable processor is programmed to:

receive a plurality of audio filter settings,

store said plurality of audio filter settings in the computer memory of the client device, and

allow a user to select an audio filter setting from said plurality of audio filter settings for providing to said output.

9. The client device of claim 7, wherein said audio data is in an audio coding format.

10. The client device of claim 9, wherein said audio coding format is MP3, AAC, or FLAC.

11. A method of filtering audio signal at an audio output device, said method comprising:

receiving a combined signal including an audio filter signal and audio signal, where said combined signal is a time-varying signal; and

determining, in a processor of the audio output device, a portion of said combined signal corresponding to the audio filter signal;

converting, in the processor of the audio output device, the portion of said combined signal corresponding to the audio filter signal to audio filter settings;

digitizing said audio signal; and

filtering said digitized audio signal according to the converted audio filter settings; and

providing the filtered audio signal to an output of the audio output device.

12. The method of claim 11, wherein said determining the portion of said combined signal corresponding to the audio filter signal includes:

identifying a filter header, which defines the beginning of an audio filter,

identifying a filter footer, which defines the end of an audio filter, and

determining the portion of said combined signal corresponding to the audio filter signal as the portion between said filter heading and said filter footer.

13. The method of claim 11, wherein filtering said digitized audio signal according to the converted audio filter settings includes processing said audio filter settings, using a digital signal processor, to create a filter for manipulating said received audio data.

14. An audio output device for producing filtered time-varying audio signals, said audio output device comprising:

an input for accepting a time-varying signal including encoded audio filter settings and a time-varying audio signal;

decoding electronics adapted to accept and decode the encoded audio filter settings;

a digital signal processor to accept the audio filter settings from the decoding electronics and filter the time-varying audio signal; and

an output to provide the filtered audio signal.

15. The audio output device of claim 14, wherein said decoding electronics decode Manchester encoded signals.

16. The audio output device of claim 15, wherein said decoding electronics determines a header for the encoded audio filter settings.

17. The audio output device of claim 14, including electronics to convert encoded audio filter settings to a filter for the digital signal processor to filter the accepted audio data.

18. A method of providing audio information, said method comprising:

receiving a plurality of audio filter settings in a client device;

storing the received plurality of audio filter settings in a memory of the client device;

receiving audio data in the client device, wherein the received audio data is in an audio coding format;

selecting an audio filter setting from said plurality of stored audio filter settings; and

transmitting the selected audio filter settings and the audio data to an audio output device, where said audio output device is separate from and in communication with the client device, and where said audio output device is configured to modify said audio according to the audio filter signal to generate a time-varying audio output.

19. The method of claim 18, wherein transmitting between said client device and said audio output device includes transmitting through a cable connecting said client device and said audio output device.

20. The method of claim 18, wherein transmitting between said client device and said audio output device includes transmitting wirelessly.

21. The method of claim 18, wherein said audio coding format is MP3, AAC, or FLAC.

22. A client device for providing information to an audio output device, said client device comprising:

an input for accepting a plurality of audio filter settings and audio data;

memory for storing the plurality of audio filter settings;

a programmable processor, and

an output,

where said programmable processor is programmed to;

receive audio filter settings in the client device and store the audio filter settings in the memory;

receive audio data in the client device; and

provide said audio filter settings and said audio data from said client device to said output,

where said output is connected to an audio output device separate from and in communication with the client device, and where said audio output device is configured for modifying said audio data according to the audio filter settings to generate a continuous audio output.

23. The client device of claim 22, wherein said audio data is in an audio coding format.

24. The client device of claim 22, wherein said audio coding format is MP3, AAC, or FLAC.

25. A method of transmitting audio information comprising:

accepting audio data in an audio coding format in computer memory;

converting said accepted audio data to a time-varying audio signal;

digitizing said time-varying audio signal; and

applying a digital filter to said digitized time-varying signal to produce filtered digitized audio data.

1. A method of providing audio information, said method comprising:

receiving audio filter settings in a client device;

receiving audio data in the client device, wherein the received audio data is in an audio coding format;

converting said audio filter settings to an audio filter signal in a processor of the client device, where said audio filter signal is a time-varying signal;

converting said received audio data to an audio signal in a processor of the client device, where said audio signal is a time-varying signal; and

transmitting the converted audio filter signal and the converted audio signal from said client device to an audio output device, where said audio output device is separate from and in communication with the client device, and where said audio output device is configured for modifying said audio signal according to the audio filter signal to generate a time-varying audio output.

2. The method of claim 1, wherein transmitting between said client device and said audio output device includes transmitting through a cable connecting said client device and said audio output device.

3. The method of claim 1, wherein

said receiving audio filter settings in a client device includes receiving a plurality of audio filter settings in the client device, and

where said method includes

storing said plurality of audio filter settings in the client device, and

selecting an audio filter setting from said plurality of audio filter settings, and wherein

said converting said audio filter settings to an audio filter signal includes

converting said selected audio filter settings.

4. The method of claim 1, wherein said audio coding format is MP3.

5. The method of claim 1, wherein said audio coding format is AAC.

6. The method of claim 1, wherein said audio coding format is FLAC.

26. The method of claim 25, where said audio coding format is MP3, AAC, or FLAC.

27. The method of claim 25, where said accepting and converting are performed in a client device, and where said digitizing and applying a digital filter are performed in an audio output device, where said audio output device is separate from and in communication with the client device.

28. The method of claim 25, where said audio output device is in communication with the client device using time-varying signals.

28-1. The method of claim 25, where said audio output device is in communication with the client device using a digital coding format.