Introduction – Sensoray 512 User Manual

Page 5

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3. Introduction

The Sensoray Model 512 is an MPEG video encoder decoder board. Some of the feature include:

General

Real time MPEG-2 and MPEG-1 video encoder and decoder

Support for variable bit rate and constant bit rate

IPB pictures to 15Mbps for constant bit rate and 10Mbps for variable bit rate

Supports multiple resolutions (704x480, 640x480, 352x240, etc.)

Support for NTSC, PAL

Composite and S-Video inputs and outputs

During encoding and standby, video input is fed to output for easy adjustment

Onboard linear 16-bit audio CODEC (uncompressed audio)

PC/104 form factor

Either BNC connectors or header for video input and output

Either mini phone jacks or header for audio input and output

3 digital TTL level digital inputs and/or outputs

Low power

Windows WDM driver


Video encoder

Generates 13818 (MPEG-2) and 11172 (MPEG-1) compliant elementary streams (ES)

Operates up to 30 frames per second

Selectable bit rate

Video decoder

Decodes both MPEG-1 and MPEG-2 streams

Horizontal and vertical scaling

Driver features

Windows WDM Sensoray sxDriver

o

Operation systems: Windows 98 (second edition), Windows 2000

o

Supports all Sensoray ISA, PC/104, PCI and Compact PCI devices

o

Easy calls to functions that return or send blocks of compressed video to and from the
512 hardware

o

Easy calls to functions that return or send blocks of uncompressed audio to and from the
512 hardware

o

Status functions

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Digital I/O functions

o

Command line utility to set up video parameters such as bit rate, resolution, etc.



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