AV information delivery device and method, AV information retrieving device and method, AV information delivery retrieving system, and information recording medium

摘要

An AV information delivery device includes a storage section, abstracting section and a delivery section. The storage section stores AV information including at least one of voice information and video information. The abstracting section abstracts at least a part of the stored AV information, and generates abstraction information indicative of contents of the AV information. The delivery section delivers the generated abstraction information together with the AV information having the contents indicated by the abstraction information.