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MPEG-2 Transport Stream Demultiplexer
Transport Stream demultiplexer IP core (TSDEMUX) is a fully synthesizable IP block for MPEG-2 transport stream compatible digital TV equipment SoCs. It can handle multiple Transport Streams from different tuners (over-the-air broadcasting) or system memory (IPTV, PVR). TSDEMUX can be configured to support up to 4 different descrambling algorithms for multiple Conditional Access Systems support. TSDEMUX IP greatly reduces host CPU usage in transport stream processing applications.
Features
- ISO/IEC 13818-1 MPEG-2 complete support
- Simultaneous processing of 5 MPEG-2 transport streams: 3 external streams from tuners (serial/parallel), 2 streams from system memory
- Fast hardware PID filtering: 128 hardware PID filters, 32 independent DMA queues for writing filtered data to system memory
- Full and partial transport stream recording
- Pass-through mode
- Configurable parallel transport stream output interface
- AMBA 3 AXI Master and APB Slave system integration interfaces
- Descrambling on TS and PES levels: CSA2.1, CSA3.0, AES, DES/3DES
- 80 000 to 380 000 2-input NAND equivalent gates (depends on descramblers configuration), 24Kbit internal RAM
Benefits
- Easy to integrate with standard AMBA interfaces
- Fast hardware PID filtering with 128 filters
- Up to 5 independent transport streams simultaneous processing
- High performance stream descramblers with multiple key sets and multiple algorithms support
Deliverables
- RTL Source code
- Verification environment
- SDC for synthesis and STA
- Documentation
- User Guide
- Integration manual
Applications
- DVB set-top-boxes with conditional access support and multiple tuners
- Personal video recorders
- Conditional Access Modules
- Broadcast equipment
Block Diagram of the MPEG-2 Transport Stream Demultiplexer IP Core
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