Set Top Box Stream Decoding and Synchronization
2 Day Course
Code pwl327
This course has been retired. Please view currently available IPTV Training Courses.
Modules
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MPEG Digital Video Streams (16 topics)
- How Video and Audio are Encoded
- Video Sampling and basics of Video and Audio encoding
- Elementary Streams and Packetized Elementary Streams
- Program Streams vs Transport Streams
- Variability of Streams
- Hands-on Demonstration of Some Streams
- Multiplexing Digital Video and Digital Audio
- Transport Streams (H.222.0)
- Layout of a Transport Packet
- PIDs
- Hands-on Analysis of Transport Stream
- Locating a Program using the PAT and PMT
- Content Protection, DRM, Scrambling and Conditional Access information tables
- Program Clock Reference, Presentation Time Stamps and Decode Time Stamps
MPEG Transport Stream Decoding and Synchronization (15 topics)
- Transport Stream System Target Decoder
- System Clock Reference
- PCR Base and Extension
- Recovering the clock
- Adjusting the clock synchronization
- Buffering and System Transport Buffer control in the AV Pipelin.
- Buffer sizes
- Decoding and Presentation
- Transport Stream Adaptation field
- Impact of network variation in delay (jitter)
- Impact of lost packets
- Hands-on Demonstration of impact of lost and out of order packets
- Impact of out of sequence packets
Error Handling (29 topics)
- Why we get errors and the pattern of likely errors
- How do we detect an error has occurred?
- Hands-on Demonstration of Playing Error Streams
- Network Technologies for Error Recovery:-
- Pragmatic General Multicast
- RTP Retransmission used in Microsoft (now Ericsson) Mediaroom
- Pro-MPEG COP 3 FEC
- Cisco Visual Quality of Experience (VQE).
- Impact of running over TCP
- Window delay and throughput limitation
- Impact upon Frame Rates
- Hands-on Demonstration of TCP Stream limitation
- Adaptation of Steams: HLS
- Hands-on Demonstration of Adaptive Stream.
- Human perception of errors
- Stream Switches
- Error Concealment Strategies
- Frame Freezing and Frame Rate Adjustment
- Elemental Fade-through
- Frame and Elemental Interpolation
- Hands-on demonstration of some approaches
- Recovering from Stream Collapse
Video Encoding and Decoding Issues (25 topics)
- MPEG-2 Encoder functions
- Fourier Discrete Cosine Transforms
- Motion Vectors
- Hands-on Demonstration of Motion Vectors
- Transition from MPEG-2 to H.264
- Intra-coding
- De-blocking Filter
- Hands-on Demonstration of H.264 Features.
- Other Codecs: Audio
- MPEG-2 Part 3 (MPA)
- MPEG-2 Part 7 (AAC)
- MPEG-4 Part 2
- AC3
- Enhanced Audio Codec (EAC)
- Vorbis
- Hands-on Comparison between some Audio CODECs
- Other Codecs: Video
- Windows Media Video 9 (VC1)
- VP-6/VP-8/WebM
