Patent ID: 6757481
Filing Date: 2004-06-29
Classification: G11B,H04N

Abstract:
A disk drive that selectively provides either higher-performance seek operations or reduced-audible noise while effecting a seek operation, the disk drive comprising:a disk; first means for defining a higher performance seek operating mode; second means for defining a quiet seek operating mode, the second means including a disk drive control program and detection means for detecting a characteristic of a data stream read from or written to the disk, one of the quiet seek operating mode and the higher performance seek operating mode being invoked depending upon the detected characteristic; servo means for controlling seek operations, the servo means including means for defining a plurality of seek profiles including a first seek profile defined to provide relatively short average seek times and a second seek profile defined to provide quieter operation on average in comparison with the first seek profile, and means for effecting a seek subject to the first seek profile in response to the higher performance seek operating mode and for effecting a seek subject to the second seek profile in response to the quiet seek operating mode.