ffmpeg -ss 00:07:42 -i stream.ts -to 01:08:04 -vcodec copy -an stream_vid.mp4
ffmpeg -i stream_vid.mp4 -vf "yadif, scale=720:404" -c:v libx264 -x264opts crf=23:level=3.1:preset=slow:colormatrix=bt709 stream_vid_sd.mp4
ffmpeg -ss 00:07:42 -i stream.ts -to 01:08:04 -vn -map 0:3 -ac 2 stream_aud_stereo.wav
neroAacEnc -q 0.5 -if stream_aud_stereo.wav -of stream_aud_stereo.aac
MP4Box -add stream_vid_sd.mp4 -add stream_aud_stereo.aac stream_sd.mp4