audio-processing – Make Me Engineer

How can I extract audio from video with ffmpeg?

July 13, 2022 by Tarik

To extract the audio stream without re-encoding: ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac -vn is no video. -acodec copy says use the same audio stream that’s already in there. Read the output to see what codec it is, to set the right filename extension.

How do I use audio sample data from Java Sound?

July 7, 2022 by Tarik

Well, the simplest answer is that at the moment Java can’t produce sample data for the programmer. This quote is from the official tutorial: There are two ways to apply signal processing: You can use any processing supported by the mixer or its component lines, by querying for Control objects and then setting the controls … Read more