$ ffmpeg -loglevel error -f concat -i mylist.txt -acodec libmp3lame -aq 4 -metadata title="Your Title" -metadata author="Levan" output. $ for f in audio/*.wav do echo "file '$f'" > mylist.txt done $ for f in * do ffmpeg -i "$f" -acodec pcm_s16le -ar 44100 -ac 2 audio/"$f".wav done Assuming there are only audio files in the directory, and your audio files are in ~/Desktop/test: $ cd ~/Desktop/test In the example below, this one-liner will convert all wav. Whether it’s to convert an entire folder or apply a filter to multiple files, cycling through files is bound to come up in any workflow. Usually I tend to avoid creating temporary files since the concat demuxer or the concat filter alone usually work, but perhaps you can encode them to PCM in WAV and then use the concat demuxer. Before getting into learning how to use all the amazing and powerful filters, let’s learn one more useful trick converting an entire directory. Generally the concat demuxer or the concat filter can be used if all of the inputs are similar, but that may be difficult with so many inputs of various formats and properties. You can download a Linux build of ffmpeg or follow a step-by-step guide to compile ffmpeg. The fake version in the repository from the Libav fork can not do this.
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