[FFmpeg-user] Converting mkv to mp3 failures

[JD]

On 07/14/2017 09:05 PM, 桃源老師 wrote:
>
>> 2017/07/15 午前11:08、JD <jd1008 at gmail.com>のメール:
>>
>> So, again, it seems to me that mkv is some kind of weird format OR
>> youtube-dl which generates it is making some type of errors????
> Sorry if it is not related with this topic.
>
> YouTube have various audio/video format.
>
> You can extract audio and convert to mp3 by youtube-dl and ffmpeg installed:
>
> $ youtube-dl -x --audio-format mp3 https://youtu.be/AlXvPoCVtVA
>
> Above youtube video is consists of mp4 video and webm audio.
>
>
> Best Regards,
>
> // Miya aka. TougenRoushi
Thank you.
Unfortunately, it does not allow you to set the bitrate.
Downloading one video using this method, ended up
creating an mp3 file with only bitrate: 74 kb/s

I do not want to start a flame war re: bitrates - so please: flames off  
:) :)