An image capturing device comprises an audio transducer, a processor, and a memory. The memory receives an audio signal produced by the audio transducer and gated by the processor. The memory includes an audio buffer capable of continuously accumulating the audio signal until the buffer becomes full,...http://www.google.com.au/patents/US7106369?utm_source=gb-gplus-sharePatent US7106369 - Continuous audio capture in an image capturing device
