Yes thanks found a helpful site and got that far just after posting but I found
the info on number of channels online not in the ffmpeg manual. I wasn't even
sure what to look for so couldn't search the manual with a direct query.
I'm trying to do 7.0 but it's generating 6.1. I'll keep looking for the channel
configuration instruction too i guess. I could maybe add a blank LFE if I knew
the syntax. Syntax seems different for avlib than for ffmpeg and amerge is an
avlib function apparently?
Sorry really new at this av processing. Thanks again for the tip. I'll keep
looking. Getting there.
From: Paul B Mahol <[email protected]>
To: FFmpeg user questions <[email protected]>
Sent: Sunday, December 23, 2018 12:59 PM
Subject: Re: [FFmpeg-user] Creating surround sound from mono wav files
On 12/23/18, CherylJosie <[email protected]> wrote:
> Hi all,
> I am trying to merge a surround sound file from discrete mono files with
> ffmpeg.
> The -map_channel function does not accept multiple audio input streams, and
> so far I have only managed to create stereo with -filter_complex amerge.
> amerge seems to ignore additional channels beyond stereo at the output, even
> though it parses them as inputs.
It does not parses them all.
Read manual and you will notice that amerge needs option that set
number of inputs.
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