Multimedia presentation latency minimization

Details Multimedia presentation latency minimization Multimedia presentation latency minimization

2008-09-09

2008-09-09

Vu, Ngoc K (Department: 2623)

Interactive video distribution systems

User-requested video program system

Video-on-demand

C725S094000, C725S098000, C725S118000, C725S119000, C375S240100, C375S240110, C370S235000

Reexamination Certificate

active

10658898

ABSTRACT:
Systems and methods for presenting time-varying multimedia content are described. In one aspect, a lower quality data stream for an initial portion of the multimedia content is received. The lower quality data stream is received at a rate faster than a real-time playback rate for the multimedia content. The lower quality data stream was encoded at a bit rate below a transmission rate. A higher quality data stream of a subsequent portion of the multimedia content is received. The higher quality data stream was encoded at a bit rate that equals the transmission rate. The initial portion and the subsequent portion of the multimedia content are presented at the real-time playback rate. Receiving the initial portion faster than the real-time playback rate provides for a reduction of latency due to buffering by a desired amount.

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