OT Question on audio downloads from youtube
Dave Lambley
dave at lambley.me.uk
Wed Sep 23 05:25:29 EDT 2020
> On 09/23/2020 10:55 AM Roger Bell_West <roger at firedrake.org> wrote:
>
>
> On Wed, Sep 23, 2020 at 12:16:10AM +0100, budge wrote:
> >I have now found that minimserver, which runs in the NAS and serves the music
> >data to my LAN and thence to my renderers, is not supported by .opus. I can
> >use AAC files so will download them to .aac or should that be .m4a. No
> >hardship and glad I found out now.
>
> It can be both. aac is an encoding format; m4a is a container format.
> For example if I ffprobe the latest Brain of Britain (obtained via
> GIP) I get:
>
> Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
> stereo, fltp, 320 kb/s (default)
>
> This is an AAC-encoded stream in an m4a container.
If you have ffmpeg installed, "-x" should cause the AAC to be repackaged into an m4a file.
Dave
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