Changes between Version 1 and Version 2 of AudioVolume

Timestamp:

Jan 25, 2018, 1:39:04 PM (2 years ago)

Author:

slhck

Comment:

update info on ffmpeg-normalize script

AudioVolume

@@ -38 +38 @@
 ... then calculate the required offset, and use the `volume` filter as shown above.
 
-To automate this process and run it on multiple files (including video), you can also use the [https://github.com/slhck/ffmpeg-normalize ffmpeg-normalize Python script] via `pip install ffmpeg-normalize`. For the supported options, see `ffmpeg-normalize -h`.
-
 == Loudness Normalization ==
 
@@ -48 +46 @@
 }}}
 
-This is recommended for most applications, as it will lead to a more uniform loudness level compared to simple peak-based normalization.
+This is recommended for most applications, as it will lead to a more uniform loudness level compared to simple peak-based normalization. However, it is recommended to run the normalization with two passes, extracting the measured values from the first run, then using the values in a second run with linear normalization enabled. See the loudnorm filter documentation for more.
+
+== Automatization with `ffmpeg-normalize` ==
+
+To automate the normalization processes with ffmpeg without having to manually perform two passes, and run normalization on multiple files (including video), you can also use the [https://github.com/slhck/ffmpeg-normalize ffmpeg-normalize Python program] via `pip install ffmpeg-normalize`.
+
+The script defaults to EBU R128 normalization with two passes, but peak and RMS normalization are also supported.
+
+For details, run `ffmpeg-normalize -h` or see the README file.