Recode to mp3. Nothing beats it for compatibility.
On 11 July 2017 at 00:12, sean darcy <seandar...@gmail.com> wrote: > I've got a bunch of sonatas I've uploaded to Amazon Music. They were > originally opus files, but Amazon requires mp3 or m4a . ( Why ? Got me.) > > So I re-encoded the opus files: > > ffmpeg -i sonata.opus -vn -c:a aac -b:a 128k sonata.m4a > > The m4a files play just fine on my laptop, even in the Amazon Music > windows app, but not in Alexa. > > "Sorry, I am having trouble playing the music." > > In the Alexa forum I found the following helpful advice: > > Make sure you are not sending a content type header of video/mpg4 which > would be wrong if this is an audio-only stream. Also, it could be that the > encoding is incorrect, for example the moov element is not present in the > stream, etc. > > Any suggestions on how to encode that's Alexa proof ? > > sean > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". -- Evert Vorster Isometrix Acquistion Superchief _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".