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Technical Specifications
General Features
- Generates fully compliant MPEG-1 system streams and MPEG-2 program streams
- Defaults are selected for all stream parameters so only input and output file names are required
- Simple configuration file format
- Command line execution and batch processing ability
- Output stream is verified with the decoder buffer model specified by the MPEG standard
- Accepts up to 16 MPEG-1 and/or MPEG-2 video elementary streams, both constant bit rate and variable bit rate
- Accepts all MPEG video profiles and levels including 4:2:2 profile and Multi-view profile
- Accepts up to 32 MPEG (Layer I, II, or II), AAC (Advanced Audio Coding), and/or Dolby AC-3 audio elementary streams
- Multiplexes up to to 16 digital audio elementary streams as specified by the SMPTE 302M standard
- Supports multiplexing of up to 32 data streams as Private Stream 1 or Private Stream 2 at a specified insertion rate
- Displays a summary of output stream characteristics
- Includes integrated Demultiplexer that extracts video and audio elementary streams from existing MPEG system, program, VOB, transport stream, or MPEG-4 media files
Common Options
- System header rate
- Optional fixed pack size
- Constrained system parameter stream support
- Constant bit rate or variable bit rate output
- System Clock Reference (SCR) period
- Padding packet size
- Output rate
- Stream duration
- Output may be segmented into multiple files
Video Options
- Fixed or variable packet size
- Presentation Time Stamp (PTS) rate
- Packet header stuffing
- Stream type and stream ID values
- PES priority indicator flag value
- Data alignment indicator value
- PES original or copy flag value
- PES copyright flag value
- Non-standard decoder buffer size
- Video data rate
- Video delay relative to program start
Audio Options
- Fixed or variable packet size
- Presentation Time Stamp (PTS) rate
- Packet header stuffing
- Stream type and stream ID values
- PES priority indicator flag value
- Data alignment indicator value
- PES original or copy flag value
- PES copyright flag value
- Non-standard decoder buffer size
- ATSC style audio buffer model
- Audio data rate
- Audio delay relative to program start
Program Stream Options
- Program Stream Map version
- Program Stream Map rate
- Packet rate restriction flag value
- Program descriptors
- Elementary stream descriptors
- Program stream directory period
System Requirements
SPMux is available for Windows (2000, Server 2003, XP, or Vista), Linux (i386+ compatible, X11 R6.8 or newer), and Mac OS X (v10.3 or newer).