STA1295 datasheet(15/109 Pages) STMICROELECTRONICS

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DS12586 Rev 5

15/109

STA1295, STA1275

System description

106

2.10

Multi-format video decoder

The embedded video decoder is capable of decoding the following formats, with minimal

CPU load:

•

H.264 baseline, main and high profiles, levels 1–4.1

•

SVC scalable baseline and high profiles, base layer only

•

MPEG-4 simple and advanced simple profiles, levels 0–5

•

H.263 Profile 0, levels 10–70

•

Sorenson Spark–WMV9 / VC-1 simple, main and advanced profile, levels 0–3

•

MPEG-1 and 2 main profile, levels low, medium and high–RealVideo8/9/10

•

DivX®3/4/5/6 support – Home Theatre Profile Qualification

•

On2 VP6, VP7 and VP8, Versions 0–3

•

AVS JizhunProfile–JPEG, all common sampling formats

Along with video decoding features, the video decoder also implements video post

processing functionality such as:

•

Re-scaling, with high quality filtering

•

Color conversion

•

Gamma correction

•

Dithering

•

Image cropping

•

Digital zoom

•

Horizontal/vertical flip

2.11

Sound subsystem

STA1275 and STA1295 implement a sound subsystem which allows to efficiently handle

sound processing tasks, such as spatialization and equalization, without loading the main

CPU with interrupt intensive tasks. The sound subsystem is composed of a set of audio

interfaces, an isochronous bus, a DSP delivering 450 MIPS, and a 3 stereo channels

sample rate converter.

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