[resolved][question] Audio not working on Sony Bravia TV

[suedi]

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.10.16. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• [ ] I've verified and I assure that I'm running youtube-dl 2016.10.16

Got version 2016.07.06 but since it is more of a format problem then this is irrelevant or
at least I hope so.

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I am on Arch derivative Linux using ffmpeg 2.7.2

The question is: I got Sony Bravia SmartTV (it's really pretty dumb if you ask me)

But on this TV I can play youtube vids via youtube app with no problems but when I download
a video with youtube-dl it won't play via minidlna to TV with the dumb error message "Audio format
is not supported."

I guess the TV is smart enough to choose a format that it can play I am however apparently to
dumb to do it with youtube-dl.

The availble formats with --list-all is

249          webm       audio only DASH audio   60k , opus @ 50k, 1.45MiB
250          webm       audio only DASH audio   88k , opus @ 70k, 1.99MiB
140          m4a        audio only DASH audio  128k , m4a_dash container, mp4a.40.2@128k, 3.38MiB
171          webm       audio only DASH audio  149k , vorbis@128k, 3.32MiB
251          webm       audio only DASH audio  177k , opus @160k, 3.89MiB
160          mp4        192x144    144p   84k , avc1.4d400b, 25fps, video only, 2.20MiB
278          webm       192x144    144p   92k , webm container, vp9, 13fps, video only, 1.96MiB
242          webm       320x240    240p  172k , vp9, 25fps, video only, 2.86MiB
133          mp4        320x240    240p  189k , avc1.4d400d, 25fps, video only, 4.92MiB
243          webm       480x360    360p  278k , vp9, 25fps, video only, 4.52MiB
134          mp4        480x360    360p  326k , avc1.4d4015, 25fps, video only, 4.89MiB
244          webm       640x480    480p  445k , vp9, 25fps, video only, 7.06MiB
135          mp4        640x480    480p  592k , avc1.4d401e, 25fps, video only, 10.11MiB
17           3gp        176x144    small , mp4v.20.3,  mp4a.40.2@ 24k
36           3gp        320x240    small , mp4v.20.3,  mp4a.40.2
18           mp4        480x360    medium , avc1.42001E,  mp4a.40.2@ 96k

Here is a list what the bloody telly can do regards to formats:
https://esupport.sony.com/info/799/US/EN/

Looks like only aac is supported by the bloody telly?

I guess I cannot see the correct combination of sound and video to mux, huh?

I tried --audio-format aac and got an .mkv file muxed of 135 and 251 but audio
could not be played.

I tried things like -f 135+171

Okay

So now I saw that some files was not "audio only" nor "video only" so I tried with
-f 18 and it works on my telly.

I guess I am at least as smart as my dumb TV :-)

closing...