http://meng6net.localhost/tag/afinfo/ <p><small>Copyright © 2005-2020 by <code>Meng Lu &lt;lumeng3@gmail.com&gt;</code></small></p> Meng Lu's home page ikiwiki Thu, 27 Dec 2018 19:38:14 +0000 http://meng6net.localhost/computing/example/examples_of_using_afinfo/ http://meng6net.localhost/computing/example/examples_of_using_afinfo/ afinfo audio computing example metadata note software Thu, 27 Dec 2018 19:29:57 +0000 2018-12-27T19:38:14Z <p>Get metadata of an audio or video file:</p> <pre><code>$ afinfo 'some_multimedia_file.m4a'' </code></pre> <p>Get the duration in the unit of seconds:</p> <pre> <code>$ afinfo 'some_multimedia_file.m4a' | awk '/estimated duration/ { print $3 }' </code></pre> <h2>References</h2> <ul> <li> https://stackoverflow.com/questions/8933053/check-duration-of-audio-files-on-the-command-line</li> </ul>