| Michael Gavlick on 4 Nov 2015 06:50:27 -0800 |
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| Re: [PLUG] plug Digest, Vol 132, Issue 2 |
Re-encode the AC3 to MP3 in handbrake maybe? On 11/04/2015 04:11 AM, plug-request@lists.phillylinux.org wrote: > Send plug mailing list submissions to > plug@lists.phillylinux.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.netisland.net/mailman/listinfo/plug > or, via email, send a message with subject or body 'help' to > plug-request@lists.phillylinux.org > > You can reach the person managing the list at > plug-owner@lists.phillylinux.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of plug digest..." > > > Today's Topics: > > 1. Sound and MKV files (Eric H. Johnson) > 2. Re: Sound and MKV files (Tom Haines) > 3. Re: Sound and MKV files (Soren Harward) > 4. Re: Sound and MKV files (Eric H. Johnson) > 5. Bitcoin (Eric H. Johnson) > 6. Re: Sound and MKV files (Keith C. Perry) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 3 Nov 2015 21:47:41 -0500 > From: "Eric H. Johnson" <ejohnson@camalytics.com> > To: "'Philadelphia Linux User's Group Discussion List'" > <plug@lists.phillylinux.org> > Subject: [PLUG] Sound and MKV files > Message-ID: <003101d116ab$2e63dbd0$8b2b9370$@camalytics.com> > Content-Type: text/plain; charset="us-ascii" > > Hi all, > > > > Not strictly a Linux question, but same symptoms on any platform I tried. I > have two TVs with Chromecasts, one is a Sony, the other a Panasonic. If I > chromecast an mkv to the Sony TV, no problem. If I do the same to the > Panasonic, I get no sound. I swapped chromecasts, so it isn't something with > the chromecast. Also, if I have a file format other than mkv, mp4 > specifically, then I do get sound to either TV. > > > > The first computer I was using is running Ubuntu Linux 15.04. I then tried > with a Windows 7 machine, same thing. Sound to the Sony, no sound to the > Panasonic. I then copied the file to an Android tablet with an HDMI port. > Again no sound to the Panasonic, although I did not try the Sony. One of my > Linux laptops has an HDMI port, so I tried with it, again no sound to the > Panasonic. > > > > I read online that there are a couple types of sound encoding that > chromecast does not support, including AC3, however the sound encoding > appears to be AAC. Finally I transcribed the file from MKV to mp4 with > handbrake, but the resulting file has no sound regardless of where it is > played, including locally. > > > > What the heck am I missing? > > > > Thanks, > > Eric > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <http://lists.netisland.net/pipermail/plug/attachments/20151103/1921ce15/attachment.html> > > ------------------------------ > > Message: 2 > Date: Tue, 3 Nov 2015 21:57:11 -0500 > From: Tom Haines <hainest@gmail.com> > To: "Philadelphia Linux User's Group Discussion List" > <plug@lists.phillylinux.org> > Subject: Re: [PLUG] Sound and MKV files > Message-ID: > <CAJCW53tuDKcPoQ-DpMaUJwv1ehmc+s_EUb1ytu5hfUvfSsqyXg@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > I recommend the open source mediainfo command line tool to get a good > handle on exactly what kind of audio is actually in the file. I'm not sure > what the Panasonic TV's actually support, but I have hard drive full of MKV > files with h.264 video and DTS audio and they all play fine on my Panasonic > TV (admittedly I haven't tried with a Chromecast). > > If you want to play around with different audio formats quickly you can use > FFMPEG to just copy the video essence and re-encode the audio with: > > ffmpeg -i infile.mkv -c:v copy -c:a dts outfile.mkv > > This will prevent the video from being re-encoded which can be a long > process. I've found Handbrake always wants to re-encode the video which > makes experimenting with codecs a painful process. > > On Tue, Nov 3, 2015 at 9:47 PM, Eric H. Johnson <ejohnson@camalytics.com> > wrote: > >> Hi all, >> >> >> >> Not strictly a Linux question, but same symptoms on any platform I tried. >> I have two TVs with Chromecasts, one is a Sony, the other a Panasonic. If >> I chromecast an mkv to the Sony TV, no problem. If I do the same to the >> Panasonic, I get no sound. I swapped chromecasts, so it isn?t something >> with the chromecast. Also, if I have a file format other than mkv, mp4 >> specifically, then I do get sound to either TV. >> >> >> >> The first computer I was using is running Ubuntu Linux 15.04. I then tried >> with a Windows 7 machine, same thing. Sound to the Sony, no sound to the >> Panasonic. I then copied the file to an Android tablet with an HDMI port. >> Again no sound to the Panasonic, although I did not try the Sony. One of my >> Linux laptops has an HDMI port, so I tried with it, again no sound to the >> Panasonic. >> >> >> >> I read online that there are a couple types of sound encoding that >> chromecast does not support, including AC3, however the sound encoding >> appears to be AAC. Finally I transcribed the file from MKV to mp4 with >> handbrake, but the resulting file has no sound regardless of where it is >> played, including locally. >> >> >> >> What the heck am I missing? >> >> >> >> Thanks, >> >> Eric >> >> >> >> ___________________________________________________________________________ >> Philadelphia Linux Users Group -- >> http://www.phillylinux.org >> Announcements - >> http://lists.phillylinux.org/mailman/listinfo/plug-announce >> General Discussion -- >> http://lists.phillylinux.org/mailman/listinfo/plug >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <http://lists.netisland.net/pipermail/plug/attachments/20151103/64d29cc4/attachment.html> > > ------------------------------ > > Message: 3 > Date: Tue, 3 Nov 2015 22:05:36 -0500 > From: Soren Harward <stharward@gmail.com> > To: "Philadelphia Linux User's Group Discussion List" > <plug@lists.phillylinux.org> > Subject: Re: [PLUG] Sound and MKV files > Message-ID: > <CANQojO4axXEh+s7qBoaFdyDYr00MaGPZAN5iMmF1UCiDTPpnZA@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > On Tue, Nov 3, 2015 at 9:47 PM, Eric H. Johnson <ejohnson@camalytics.com> wrote: >> What the heck am I missing? > > It's really hard to know without being sure what all the > characteristics of the audio bitstream are; the problem could be > anything from the sampling rate to the channel ordering. Can you run > mediainfo on the file and send over the output? >
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