System and method of smart audio logging for mobile devices

Abstract

A mobile device that is capable of automatically starting and ending the recording of an audio signal captured by at least one microphone is presented. The mobile device is capable of adjusting a number of parameters related with audio logging based on the context information of the audio input signal.

1 - 84 . (canceled) 
     
     
         85 . A method for a mobile device, the method comprising:
 in response to automatically detecting a start event indicator, processing first portion of audio input signal to obtain first information;   determining at least one recording parameter based on the first information; and   reconfiguring an audio capturing unit of the mobile device based on the determined at least one recording parameter.   
     
     
         86 . (canceled) 
     
     
         87 . The method according to  claim 85 , wherein the at least one recording parameter includes information indicative of a sampling frequency or a data width for an A/D converter of the mobile device. 
     
     
         88 . The method according to  claim 85 , wherein the at least one recording parameter includes information indicative of the number of active microphone of the mobile device. 
     
     
         89 . The method according to  claim 85 , wherein the at least one recording parameter includes timing information indicative of at least one microphone's wake up interval or active duration. 
     
     
         90 . The method according to  claim 85 , wherein the first information is context information describing an environment in which the mobile device is recording. 
     
     
         91 . The method according to  claim 85 , wherein the first information is context information describing a characteristic of the audio input signal. 
     
     
         92 . The method according to  claim 85 , wherein the start event indicator is based on a signal transmitted over a wireless channel. 
     
     
         93 - 97 . (canceled) 
     
     
         98 . An apparatus for a mobile device, the apparatus comprising:
 an audio logging processor configured to:
 automatically detect a start event indicator; 
 process first portion of audio input signal to obtain first information, in response to the detecting of the start event indicator; and 
 determine at least one recording parameter based on the first information; and 
   an audio capturing unit configured to reconfigure itself based on the determined at least one recording parameter.   
     
     
         99 . (canceled) 
     
     
         100 . The apparatus according to  claim 98 , wherein the at least one recording parameter includes information indicative of a sampling frequency or a data width for an A/D converter of the audio capturing unit. 
     
     
         101 . The apparatus according to  claim 98 , wherein the at least one recording parameter includes information indicative of the number of active microphone of the mobile device. 
     
     
         102 . The apparatus according to  claim 98 , wherein the at least one recording parameter includes timing information indicative of at least one microphone's wake up interval or active duration. 
     
     
         103 . The apparatus according to  claim 98 , wherein the first information is context information indicative of environment in which the mobile device is recording. 
     
     
         104 . The apparatus according to  claim 98 , wherein the first information is context information indicative of a characteristic of the audio input signal. 
     
     
         105 . The apparatus according to  claim 98 , wherein the start event indicator is based on a signal transmitted over a wireless channel. 
     
     
         106 - 110 . (canceled) 
     
     
         111 . An apparatus for a mobile device, the apparatus comprising:
 means for automatically detecting a start event indicator;   means for processing first portion of audio input signal to obtain first information in response to detecting the start event indicator;   means for determining at least one recording parameter based on the first information; and   means for reconfiguring an audio capturing unit of the mobile device based on the determined at least one recording parameter.   
     
     
         112 . (canceled) 
     
     
         113 . The apparatus according to  claim 111 , wherein the at least one recording parameter includes information indicative of a sampling frequency or a data width for an A/D converter of the audio capturing unit. 
     
     
         114 . The apparatus according to  claim 111 , wherein the at least one recording parameter includes information indicative of the number of active microphone of the mobile device. 
     
     
         115 . The apparatus according to  claim 111 , wherein the at least one recording parameter includes timing information indicative of at least one microphone's wake up interval or active duration. 
     
     
         116 . The apparatus according to  claim 111 , wherein the first information is context information indicative of environment in which the mobile device is recording. 
     
     
         117 . The apparatus according to  claim 111 , wherein the first information is context information indicative of a characteristic of the audio input signal. 
     
     
         118 . The apparatus according to  claim 111 , wherein the start event indicator is based on a signal transmitted over a wireless channel. 
     
     
         119 - 123 . (canceled) 
     
     
         124 . A non-transitory computer-readable medium comprising instructions which when executed by a processor cause the processor to:
 automatically detect a start event indicator;   process first portion of audio input signal to obtain first information in response to detecting the start event indicator;   determine at least one recording parameter based on the first information; and   reconfigure an audio capturing unit of the mobile device based on the determined at least one recording parameter.   
     
     
         125 . (canceled) 
     
     
         126 . The computer-readable medium according to  claim 124 , wherein the at least one recording parameter includes information indicative of a sampling frequency or a data width for an A/D converter of the audio capturing unit. 
     
     
         127 . The computer-readable medium according to  claim 124 , wherein the at least one recording parameter includes information indicative of the number of active microphone of the mobile device. 
     
     
         128 . The computer-readable medium according to  claim 124 , wherein the at least one recording parameter includes timing information indicative of at least one microphone's wake up interval or active duration. 
     
     
         129 . The computer-readable medium according to  claim 124 , wherein the first information is context information indicative of environment in which the mobile device is recording. 
     
     
         130 . The computer-readable medium according to  claim 124 , wherein the first information is context information indicative of a characteristic of the audio input signal. 
     
     
         131 . The computer-readable medium according to  claim 124 , wherein the start event indicator is based on a signal transmitted over a wireless channel. 
     
     
         132 - 136 . (canceled)