Gradually degrading multimedia recordings

Details Gradually degrading multimedia recordings Gradually degrading multimedia recordings

2003-10-08

2010-11-23

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C700S094000, C386S349000

Reexamination Certificate

active

07840112

ABSTRACT:
A system including a recording device in which multiple lesser quality recordings of a program, e.g., recordings at a reduced bit rate, are determined by transcoding a high quality version of the program. Since transcoded recordings are determined with respect to the high quality version, they will have the best quality available for a given bit rate. The system allows a user to manage recordings by associating retention policies and relative ranking attributes with recordings, where a policy manager may use these associated policies and attributes to select which high and lesser quality copies of the program are retained over time, thus gradually degrading retained copies in accord with user preferences.

REFERENCES:
patent: 6532593 (2003-03-01), Moroney
patent: 7409146 (2008-08-01), Kawai et al.
patent: 2002/0061181 (2002-05-01), Honjo
patent: 2002/0141580 (2002-10-01), Okuyama
patent: 2003/0031460 (2003-02-01), Obrador
patent: 2003/0147631 (2003-08-01), Zimmermann
patent: 2003/0198458 (2003-10-01), Greenwood

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