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swimm3r137@gmail.com
October 22nd, 2008, 10:57 PM
My friend sent me a email with a m4a formatted sound file attached. I tried to open it via gmail using ubuntu and it says this-

/tmp/Sigma Nu Anthem-2.m4a could not be opened, because the associated helper application does not exist. Change the association in your preferences.

mlentink
October 22nd, 2008, 11:02 PM
afaik m4a is Apple's proprietary format used on iTunes. So it's unlikely you will be able to play such a file out of the box.

DFlame
October 22nd, 2008, 11:03 PM
Have you Installed the restricted extras package (https://help.ubuntu.com/community/RestrictedFormats)?

DFlame

Pconfig
October 22nd, 2008, 11:04 PM
Have you Installed the restricted extras package (https://help.ubuntu.com/community/RestrictedFormats)?

DFlame

And more specifically:

https://help.ubuntu.com/community/RestrictedFormats/AAC

;)

swimm3r137@gmail.com
October 23rd, 2008, 04:12 AM
ive installed everything you've asked me too from both replies, but it still won't work.... same error message. anyone have any ideas?

nu2this
October 23rd, 2008, 04:24 AM
Bear in mind I'm not sure, but have you d/l'd that mp4 to your PC? If so, try VLC.

Teamgeist
October 23rd, 2008, 07:49 AM
Try
sudo apt-get install faac

mjwhitfield
October 23rd, 2008, 09:48 AM
afaik m4a is Apple's proprietary format used on iTunes. So it's unlikely you will be able to play such a file out of the box.

It's not Apples format:

Audio-only MPEG-4 files generally have a .m4a extension. This is especially true of non-protected content.

Generally, m4a files are AAC in a wrapper.

Flimm
October 23rd, 2008, 11:01 AM
Try saving it to your home directory or to the desktop, and opening from there.