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Correlating Timebases Using RTCP > Designing IP-Based ...
https://www.ciscopress.com/articles/article.asp?p=705533&seqNum=6#:~:text=Using%20RTCP%20for%20Media%20Synchronization%20The%20method%20of,stream%2C%20not%20the%20video%20stream%2C%20must%20be%20delayed.
Synchronization in RTP A Made Easy Tutorial
http://www.siptutorial.net/RTP/synchro.html
Synchronization in RTP. The receiver needs three key information for synchronization - the synchronization source, packets in order and sampling instant of packets which it gets from three header fields. You must know about the header fieldsfirst.
Transmitting Audio and Video using RTP - Oracle
https://www.oracle.com/java/technologies/javase/transmitting-audio-video-rtp.html
The default (first available) RTP format is set for each track. For video, special attention is taken to ensure that the input sizes are usable for RTP transmission. Real-time scaling is applied when necessary. Note that due to limitations of the JMF 2.1 implementation, audio and video are not in tight synchronization.
Using timestamp to realize audio-video synchronization …
https://ieeexplore.ieee.org/document/4589974/
Abstract: Real-time streaming media transmission is used widely in computer network, and audio-video synchronization is a key issue. Because of using RTP protocol in data transmission, the synchronization requirements can be solved if the time information in RTP data packets is used effectively. In this paper, combining actual application, RTP data packets are …
Audio/Video over RTP With GStreamer (Linux)
https://developer.toradex.com/knowledge-base/audio-video-over-rtp-linux
On your host machine, install GStreamer and send the following command: $ gst-launch-1.0 -v udpsrc port=5000 caps = "application/x-rtp, media= (string)video, clock-rate= (int)90000, encoding-name= (string)H264, payload= (int)96" ! rtph264depay ! decodebin ! videoconvert ! autovideosink sync=false.
RTP - Synchronizing media streams · GitHub
https://gist.github.com/simonkim/a9a3aa4f1ca04448c64212b3b079d107
The audio and video may even be transmitted by different hosts if the reference clocks on the two hosts are synchronized by some means such as NTP. A receiver can then synchronize presentation of the audio and video packets by relating their RTP timestamps using the timestamp pairs in RTCP SR packets . -- 5.1 RTP Fixed Header Fields, RFC 3550 RTP: A …
RTP streaming with FFmpeg audio and video out of sync ...
https://stackoverflow.com/questions/45885453/rtp-streaming-with-ffmpeg-audio-and-video-out-of-sync
ffmpeg.exe -f dshow -framerate 30 -i video="XX":audio="YY" -an -vcodec libx264 -f rtp rtp://localhost:50041 -acodec aac -vn -f rtp rtp://localhost:50043 The ffmpeg DirectShow documentation mentions synchronization issues when multiple inputs are used. It also mentions trying the "-copy_ts" flag to resolve sync issues if you want to keep the inputs separate.
Using timestamp to realize audio-video synchronization …
https://www.researchgate.net/publication/4360047_Using_timestamp_to_realize_audio-video_synchronization_in_Real-Time_streaming_media_transmission
Real-time streaming media transmission is used widely in computer network, and audio-video synchronization is a key issue. Because of using RTP protocol in data transmission, the synchronization ...
Audio/Video Synchronization ; Deinterlacing
https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/e6ffbe35-0dcc-45d0-9090-cd7baa15957e/audiovideo-synchronization-deinterlacing
So you can synchronize audio and video from any position in the stream. Please check the specification because the above explanation is rough. Basic strategy for synchronization is as follows: * Fix a PCR in the stream. Typically, you can choose the first PCR. * Subtract the PCR from each PTS for audio and video. It can be used as timestamp.
A client-driven media synchronization mechanism for …
https://link.springer.com/article/10.1007/s11554-015-0497-3
To support synchronization between video and audio streams transported over IP networks, an RTP/RTCP protocol suite is usually employed. In conventional server-driven media synchronization, the server needs to periodically transmit an RTCP sender report (SR) packet to provide the client with a UTC time in NTP format corresponding to the RTP timestamp carried …
CN1969562B - Synchronization of audio and video data in a ...
https://patents.google.com/patent/CN1969562B/en
The video and audio communication channel packets are transmitted simultaneously. Receiving and assigning RTP streams can be performed in a remote station, or a base station. CN1969562B - Synchronization of audio and video data in a wireless communication system - Google Patents
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