FFmpeg How to use alimiter Filter?
<p>I cannot find enough documentation on the alimiter filter.</p>

<p><a href="https://ffmpeg.org/ffmpeg-filters.html#alimiter" rel="noreferrer">https://ffmpeg.org/ffmpeg-filters.html#alimiter</a></p>

<p>I used -filter_complex alimiter=limit=0.5 and it applied to the file but it boosted the volume. </p>

<p>I thought it was supposed to hardlimit the volume down?</p>

<p>FFmpeg says through cmd limit range [0.0625 - 1]</p>

<pre><code>ffmpeg -i audio.wav -y -acodec libmp3lame -b:a 320k -ar 44100 -ac 2 -joint_stereo 1 -filter_complex alimiter=limit=0.5 audio.mp3
</code></pre>

<p>Here's a look at the two files through Adobe Audition</p>

<p><strong>Original</strong></p>

<p><a href="https://i.stack.imgur.com/xBMKc.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/xBMKc.jpg" alt="Original File"></a></p>

<p><strong>FFmpeg alimiter 0.5</strong></p>

<p><a href="https://i.stack.imgur.com/Msi7e.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/Msi7e.jpg" alt="FFmpeg alimiter File"></a></p>