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Broadcast and Media Technologies

Proposed Q&A site for engineers and professionals who create and architect solutions for broadcast and multimedia technologies related to MPEG, DVB, IPTV, HD & 3DTV, head-ends, compression, multiplexing and conditional access technologies.
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For all those who have joined now, please Upvote questions and Add new ones if you like. – Dipan Mehta May 7 '12 at 2:20
we're just 22 questions away from having the proposal accepted! we only need ~44 followers upvoting questions! please share this on social networks. – Aviad Rozenhek Jan 13 at 16:26

67 Example Questions

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up vote 1 down vote
Which is better for shooting films? DSLR or HD Video Camera? and Why?
added by The Jin Studio Oct 15 '12 at 21:21
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up vote 1 down vote
With FFPMEG, how can I perform an operation similar to Handbrake's -decomb filter?
added by psubsee2003 Feb 2 at 17:37
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up vote 0 down vote
How is a Dolby AC3 stream defined in the PMT of an MPEG transport stream?
added by Wimmel, edited by WikiSpeedia hang-around Jun 22 '12 at 16:29
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Are there any ATSC or DVB standards that derive from DSMCC Data Carousel? I have a stream that looks like DSMCC, but is slightly different.
added by colbadhombre Feb 8 '12 at 14:56
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How many audio streams are possible, and at what bitrates, for the digital channels in the current iBiquity IBOC HD technology?
added by Ejoso Mar 4 '12 at 22:57
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What is the transmission overhead of MPEG transport streams (header, error correction, etc.)?
added by David Simmons Mar 16 '12 at 22:40
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What is an easy way to make an application that streams video over the Internet efficiently?
added by user54516, edited by WikiSpeedia hang-around Jun 22 '12 at 16:24
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In what ways are current control words synchronized to the transport stream with a common scrambling alghorithm?
added by ostryck, edited by WikiSpeedia hang-around Jun 22 '12 at 16:25
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How do I use libdvbcsa?
added by ostryck, edited by WikiSpeedia hang-around Jun 22 '12 at 16:26
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Why can't the XVID codec play back the H.264 stream generated by Texas Instruments DM368?
added by scraimer Mar 27 '12 at 5:51
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How can I get rid of motion-induced "combing" (thin alternating lines) in my video?
added by scraimer Mar 27 '12 at 5:52
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If I try to create MPEG video from completely uncorrelated images without temporal redundancy. How will motion estimation algorithm work?
added by Challenger Mar 27 '12 at 13:58
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What tools are available for verifying MP4 file container and header formatting?
added by blueshift Apr 1 '12 at 15:12
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What optimisations can be done to improve channel change time?
added by jogabonito, edited by WikiSpeedia hang-around Jun 22 '12 at 16:40
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How does H.264 or video encoders in general compute the residual image of two frames?
added by cloudraven Apr 28 '12 at 7:47
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How do I playing H.264 video in an application through FFmpeg using DXVA2 acceleration?
added by cloudraven, edited by WikiSpeedia hang-around Jun 22 '12 at 16:41
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How do I convert a M4V video to a BMP image sequence?
added by cloudraven, edited by WikiSpeedia hang-around Jun 22 '12 at 16:42
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up vote 0 down vote
Calculation of QAM modulation cable broadcast. http://dsp.stackexchange.com/questions/2262/calculate-symbol-rate-for-qam-modulation
added by jogabonito, edited by WikiSpeedia hang-around Sep 16 '12 at 18:47
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What are the differences between MP4 and fragmented MP4 and what uses is each best at?
added by Miguel, edited by WikiSpeedia hang-around Sep 16 '12 at 18:47
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Do you think within a set top box, such as Sky+ (which adheres to the DVB standard) the concept of a database exists and is used?
added by Dragos Jul 30 '12 at 9:43
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I encode H.264 as avconv.exe -i in.mp4 -bsf h264_mp4toannexb out.h264. Why does the first keyframe have NAL type 5, all other NALS are 7, 8, 6 or 1?
added by Aviad Rozenhek, edited by WikiSpeedia hang-around Sep 16 '12 at 18:44
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What are the proper FFmpeg command lines to create an iOS compatible H.264 video AAC audio stream from a file or an RTMP live stream?
added by alphablender, edited by WikiSpeedia hang-around Sep 16 '12 at 18:43
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Is there an opensource playout software which can handle character generator insertion?
added by user63512 Aug 31 '12 at 3:30
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What streaming protocols are more suitable for lossy, low-speed networks?
added by Renan Jan 8 at 1:25
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How can I use FFMPEG to perform frame specific cutting of a MPEG2 video stream while re-encoding?
added by psubsee2003 Feb 2 at 17:33
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How can I add the chapter stream to the output (using the -print_format argument) using FFProbe?
added by psubsee2003 Feb 2 at 17:34
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Where can one find an up to date list of the proper matrices for color space conversions with precision suitable for codecs greater than 8 bits?
added by mcwumbly Feb 23 at 15:01
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