OT Question on audio downloads from youtube

Budge ajebay at errichel.co.uk
Thu Sep 24 08:25:26 EDT 2020

On 24/09/2020 10:49, Dave Lambley wrote:
>> On 09/24/2020 10:25 AM Budge <ajebay at errichel.co.uk> wrote:
>> On 23/09/2020 09:55, Roger Bell_West 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.
>> Hi Roger,
>> Life in never simple!  My choice of .opus was frustrated by lack of
>> support for my media server and author advises he will not likely be
>> adding .opus.
>> I therefore went with .aac as the next best option.
>> I now find that if I wish to include thumbnails I can only use .m4a (or
>> .mp4).
>> I appreciate thumbnails do nothing for sound but they do make searching
>> easier so looks like .m4a is the way to go.  Pity I just downloaded 18
>> files to .aac.
>> My only other comment for now is that the metadata that comes with the
>> download is very poor and very short on the info I have been used to.  I
>> think the problem is that whilst CD tagging is fairly well supported,
>> the YouTube videos are often prepared for a different audience but I had
>> hoped that at least the artists would be named.
>> If there are ways of improving this I would appreciate advice.
> If you have ffmpeg and AtomicParsley installed, youtube-dl can repack the audio in to an .m4a for you, and give you some very rudimentary tagging.
> Try,
> ./youtube-dl -x --embed-thumbnail --add-metadata -f m4a https://www.youtube.com/watch?v=1L993HNAa8M
> Dave
Hi all,
Many thanks.  I use ffmpeg and AtomicParsley if not using the youtube-dl options and the tagging works fine but the tag metadata from youtube is pathetic.  OTOH classical music tagging is always a problem and takes more time than anything other than listening!

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