(Ive included it in the download for completeness anyway though.). Example to make a 5.1 channel, 48000 Hz sample rate, 10 seconds silent video file from image: ffmpeg -loop 1 -i img002.jpg -f lavfi -i anullsrc=channel_layout=5.1:sample_rate=48000 -t 10 -c:v libx264 -t 10 -pix_fmt yuv420p -vf scale=480:320 -y output. (Strictly not a CD of silence, of course, but audio files of silence which one can. You can use the anullsrc audio source filter in ffmpeg. Here's a command for the latest ffmpeg, works with MP4 (H264/AVC): ffmpeg -f lavfi -i aevalsrc=0 -i input.mp4 -c:v copy -c:a aac -map 0 -map 1:v -shortest output.mp4Ĭreate video from image or convert image into video then add slient audio using ffmpeg. Links to recent builds are on the FFmpeg Download page or you can refer to a step-by-step guide to compile ffmpeg. Tried: youtube-dl -ignore-errors -format bestaudio -extract-audio -audio-format mp3 -.5 answers 17 votes: You will likely not get a ready-to-go solution but will need to create a script yourself. It is always recommended to use a recent ffmpeg. All tracks come with commercial licenses and are ready for.

These examples will stream copy the video so it does not get re-encoded (like a 'copy and paste'). Enjoy unlimited downloads of over 400,000 premium audio tracks with an Envato Elements subscription.

-map 0:a -map 1:v can be translated as: from the first input ( 0) use the audio ( a), and from the second input ( 1) use the video ( v).

If your video input file has audio that you want to ignore then use the -map option to override the default stream selection behavior: ffmpeg -f lavfi -i anullsrc -i video.mov -c:v copy -c:a aac -map 0:a -map 1:v -shortest output.mp4

channel_layout=stereo:sample_rate=44100 is the default, but I included it just as an example of how to use these options.

This example will use the anullsrc audio filter to generate stereo silent audio with a sample rate of 44100: ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -i video.mov -c:v copy -c:a aac -shortest output.mov When uploading or downloading a file to or from the voice recorder, data transfer. You can use ffmpeg to create the silent audio and combine it with a video in one step. Getting started 4 Setting the beeping sounds.

Silent audio file download