Jan Jakes 38f7d97283 Compress captcha audio files more aggressively ...

This reduces the size of the files combined from 224KB to 64KB.

The command used was:

for f in originals/*.mp3; do ffmpeg -i "$f" -c:a libmp3lame -af "highpass=f=200, lowpass=f=15000, afftdn=nf=-30, anlmdn=s=1, rubberband=pitch=1.05, volume=1.5" -b:a 8k -ac 1 -ar 8000 "${f##*/}"; done

[MAILPOET-6038]

2024-08-05 13:28:52 +02:00

2.0 KiB

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