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[Discuss-gnuradio] Generating constant bitrate videos for GNU-RADIO ISDB


From: Gastón Morales
Subject: [Discuss-gnuradio] Generating constant bitrate videos for GNU-RADIO ISDB-T transmission
Date: Thu, 3 Oct 2019 18:20:26 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Dear all,

We are a team of engineer students, working on a ISDB-T Digital TV Transmitter for GNU-Radio.
To test the TX, we need to create constant bit rate transport streams that are compatible with the ISDB-T standard.
Currently we are working with ffmpeg to transcode the videos that we want to send, but we are having some issues with the receptor, and we suspect that the videos that we are transcoding with ffmpeg are not constant bit rate videos.
We found the webpage http://www.w6rz.net that has some CBR samples taken out from DVB-T trasmissions. 
Does anyone know how were those samples generated to mantain a constant bit rate?

Thank you!!
 
 



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