Input buffer management for the playback control for MP3...

Details Input buffer management for the playback control for MP3... Input buffer management for the playback control for MP3...

2008-01-08

2008-01-08

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000

Reexamination Certificate

active

10064410

ABSTRACT:
Input buffer management of the playback control for MP3 players includes initializing a totalizer to zero, finding a synchronization word of a frame, decoding a header, calculating the size of a main_data field, and decoding the enclosed audio data. If it is determined the value contained in the totalizer is less than the main_data_begin of this frame, store the main_data of the frame in an input buffer, add the size of the main_data to the totalizer, and repeat the process starting with finding the synchronization word of a next frame until the totalizer is greater or equal to the main_data_begin of the then current frame. At this point, all of the audio data required by the frame is currently available and decoding and playing can continue as normal.

REFERENCES:
patent: 6466476 (2002-10-01), Wong et al.
patent: 6567364 (2003-05-01), Takahashi et al.
patent: 6721710 (2004-04-01), Lueck et al.
patent: 6929440 (2005-08-01), Grond
patent: 7069208 (2006-06-01), Wang
patent: 2003/0004708 (2003-01-01), Oomen et al.
patent: P2000-182332 (2000-06-01), None
Gadd, Staffan; Lenart, Thomas; “A Hardware Accelerated MP3 Decoder with Bluetooth Streaming Capabilities” Master of Science Thesis, Nov. 2001, pp. 5-7,24,25.

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