[FFmpeg-user] Using convolution files with ffmpeg

[Paul B Mahol]

Hi,

On 3/22/20, Ran Perry <ranperry at rogers.com> wrote:
> Hello,
> I currently use MPD (https://www.musicpd.org/) to play music. MPD can use
> ffmpeg to decode the audio coming in (local or cloud). Since ffmpeg can
> handle convolution files in wav format, I was looking for a way to "pass"
> these files to ffmpeg. I would like to implement the following scenario:
> 1. Have one convolution file per sampling rate (44.1kHz, 48kHz, 88,2kHz,
> 96kHz, 176.4kHz and 192kHz)2. Store the convolution files locally to
> ffmpeg3. When ffmpeg is used, it will use the convolution file that matches
> with the incoming file's sampling rate
> I want this to work as a global setting without the need to do it manually
> for every audio file. I know that minimserver has implemented this but it is
> a closed source project.
> Any ideas?

You will need to use FFmpeg audio convolution filter, afir.
And write some kind of script for processing of all files.

> Many thanks!
> Ran
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