There is provided an AV server system with high operationality for a simple use. A file system is not provided in an AV server, and AV data are continuously recorded or reproduced from a place (sector) of a random-accessible HD where a magnetic head is positioned....http://www.google.com/patents/US6598101?utm_source=gb-gplus-sharePatent US6598101 - Recording apparatus and recording method, and reproducing apparatus and reproducing method
