Operating method for microphones and electronic device supporting the same

1. An electronic device comprising:

a plurality of microphones; and

one or more processors operatively coupled to plurality of microphones,

wherein the one or more processors, upon execution of instructions, are configured to:

recognize a specified command by processing first audio data collected through a first set of the plurality of microphones,

perform a specified audio process associated with a multi-channel audio signal corresponding to a second set of the plurality of microphones, the second set comprising at least two microphones, a number of microphones in the second set being larger than a number of microphones in the first set, and

execute a function or an application corresponding to second audio data collected through the second set after the specified command is recognized,

wherein at least one of the one or more processors are further configured to identify a sound source direction of the multi-channel audio signal for audio beam-forming based on positions of microphones, and

wherein the first audio data comprises at least one of utterance character information, or speaker classification information corresponding to the specified command.

2. The electronic device of claim 1 , wherein the one or more processors are further configured to:

perform voice recognition of the second audio data, and

execute the function or the application corresponding to the voice recognition result.

3. The electronic device of claim 2 ,

wherein a first processor of the one or more processors is configured to operatively couple to a portion of the plurality of microphones, and

wherein a second processor of the one or more processors is configured to operatively couple to the plurality of microphones.

4. The electronic device of claim 3 , wherein the one or more processors are further configured to:

activate at least one of a remaining microphone of the plurality of microphones other than the portion of the plurality of microphones, or

recognize the specified command using multi-channel signal processing.

5. The electronic device of claim 2 , further comprising at least one of:

a noise suppressor configured to adjust a parameter of the multi-channel audio signal so as to suppress receiving of a sound source of a specific direction associated with a noise; or

an echo canceler configured to cancel an echo component included in the multi-channel audio signal.

6. The electronic device of claim 1 , wherein the specified audio process associated with the multi-channel audio signal performed by an audio codec of the one or more processors.

7. The electronic device of claim 1 , wherein the specified audio process associated with the multi-channel audio signal performed by an application processor of the one or more processors.

8. A microphone operating method for a mobile electronic device, the microphone operating method comprising:

collecting first audio data through a first set of a plurality of microphones operatively coupled to the mobile electronic device;

recognizing a specified command by processing the first audio data;

performing a specified audio process associated with a multi-channel audio signal corresponding to a second set of the plurality of microphones, the second set comprising at least two microphones, a number of microphones of the second set being larger than a number of microphones of the first set;

executing, by one or more processors, a function or an application, corresponding to second audio data through the second set of the plurality of microphones after the specified command is recognized; and

identifying, by the one or processors, a sound source direction of the multi-channel audio signal for audio beam-forming based on positions of microphones,

wherein the first audio data comprises at least one of utterance character information, or speaker classification information corresponding to the specified command.

9. The microphone operating method of claim 8 , wherein the executing of the function or the application comprises:

performing a second voice recognition operation of performing the function or the application, through voice recognition of the second audio data.

10. The microphone operating method of claim 9 , further comprising at least one of:

adjusting, by the one or processors, a parameter of the multi-channel audio signal so as to adjust an input gain of microphones of a specific direction;

performing the voice recognition operation by a first processor operatively coupled to a portion of the plurality of microphones; or

performing the second voice recognition operation by a second processor operatively coupled to all of the plurality of microphones.

11. The microphone operating method of claim 9 , further comprising at least one of:

activating at least one of a remaining microphone of the plurality of microphones other than a portion of the plurality of microphones according to recognition of the specified command; or

processing the multi-channel audio signal according to the recognition of the specified command.

12. The microphone operating method of claim 9 , further comprising at least one of:

adjusting a parameter of the multi-channel audio signal so as to suppress receiving of a sound source of a specific direction associated with a noise; or

cancelling an echo component included in the multi-channel audio signal.

13. The microphone operating method of claim 9 , further comprising:

transferring a command, set to process the multi-channel audio signal, to a multi-channel processing module according to the recognition of the specified command or specific audio data.

14. The microphone operating method of claim 9 , further comprising at least one of:

setting at least one of a single channel signal processing operation or a multi-channel signal processing operation to an audio codec; or

setting the second voice recognition operation to an audio data processing module.

15. The microphone operating method of claim 8 , wherein the specified audio process associated with the multi-channel audio signal performed by an audio codec of the one or more processors.

16. The microphone operating method of claim 8 , wherein the specified audio process associated with the multi-channel audio signal performed by an application processor of the one or more processors.

17. An electronic device comprising:

a plurality of microphones operatively coupled to the electronic device; and

one or more processors including an audio codec and a low-power processing module, upon execution of instructions, configured to:

recognize a specified command by processing first audio data collected through a first set of the plurality of microphones,

perform a specified audio process associated with a multi-channel audio signal corresponding to a second set of the plurality of microphones, the second set comprising at least two microphones, a number of microphones in the second set being larger than a number of microphones in the first set, and

execute a function or an application corresponding to second audio data collected through the second set after the specified command is recognized,

wherein at least one of the one or more processors are further configured to identify a sound source direction of the multi-channel audio signal for audio beam-forming based on positions of microphones, and

wherein the first audio data comprises at least one of utterance character information, or speaker classification information corresponding to the specified command.

18. The electronic device of claim 17 , wherein the specified audio process associated with the multi-channel audio signal performed by the audio codec of the one or more processors.

19. The electronic device of claim 17 , wherein the specified audio process associated with the multi-channel audio signal performed by an application processor of the one or more processors.