Patent ID: 7321721
Filing Date: 2008-01-22
Classification: G06F,G11B

Abstract:
1. A hard disk apparatus comprising: recording means of recording AV data onto a hard disk; and stream controlling means, coupled to the recording means, of processing the signal of AV data transmitted from an interface or the signal of AV data transmitted to the interface; wherein, the hard disk apparatus records and/or reproduces the AV data, and wherein, a size of a disk access unit serving as a minimum continuous unit in the access to the hard disk is set to be equal to or greater than a size obtained by the following Formula (1): Rch indicates a transfer rate per channel, D indicates the size of the disk access unit to be determined, T indicates a process time necessary for recording or reproducing the data of size D, and T is set to be a value equal to the greater value of T T T