Patent ID: 8279309
Filing Date: 2012-10-02
Classification: H04N

Abstract:
1. An image capture device comprising: an image capture unit that captures optical images and outputs a video signal corresponding to the optical images; a microphone unit that outputs an audio signal; a first clock generating unit that generates a first clock using a first crystal oscillator; a second clock generating unit that generates a second clock using a second crystal oscillator; a first sampling unit that samples the video signal using the first clock to generate video data; a second sampling unit that samples the audio signal using the second clock to generate audio data; a first compressor that compresses the video data generated by the first sampling unit; a second compressor that compresses the audio data generated by the second sampling unit; a calculating unit that calculates a correction value for adjusting a shift between the first crystal oscillator and the second crystal oscillator; and an adjusting unit that adjusts a driving timing of the image capture unit using the correction value, wherein the correction value is calculated by the calculating unit using a VSYNC pulse and a third clock, and wherein the VSYNC pulse is synchronized with a vertical synchronization signal, and the third clock is used to count one period of the vertical synchronization signal.