Patent ID: 7746384
Filing Date: 2010-06-29
Classification: G11B,H04N

Abstract:
1. An image data recorder that codes a still image in accordance with a moving image coding system, and records a still-image-converted moving image acquired by coding onto a recording medium, the image data recorder comprising: reading means for reading out an aspect ratio that was set for the recording medium when the recording medium was formatted; determining means for acquiring an aspect ratio of the still image recorded on the recording medium, and determining whether the acquired aspect ratio of the still image is the same as the aspect ratio set for the recording medium that has been read out; coding means for adding, based on the aspect ratio set for the recording medium that has been read out, an interpolation area on the top and bottom, or left and right of the still image in accordance with the result of determination performed by the determining means to generate an interpolation-area-added still image whose aspect ratio matches the aspect ratio set for the recording medium that has been read out, and coding the interpolation-area-added still image in accordance with a moving image coding system to generate the still-image-converted moving image; and recording means for recording the still-image-converted moving image onto the recording medium.