Multimedia data streaming in a single threaded mobile communication device operating environment
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United States of America Patent
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Issued Date -
May 19, 2005
app pub date -
Nov 13, 2003
filing date -
Nov 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mobile communication device includes infrastructure capable of processing streamed multimedia data in a single threaded operating environment. The infrastructure comprises a central processing unit (CPU), an operating system (OS), and a digital signal processor (DSP) operatively coupled to the CPU. A high level application is coupled to the CPU via a memory bus. The high level application is given direct access to the DSP. The high level application instructs the CPU to display a first downloaded image in a slide show format, and hand over audio processing of an associated first downloaded sound clip to the DSP. The CPU is free to immediately download a successive image and a successive associated sound clip, thereby creating the appearance of processing the multimedia data stream in a multithreaded mode.
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