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Fix for MTS files with no audio on Mac

New Here ,
Oct 08, 2018

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I was going through the same problem many are having with importing .MTS files, and there being no audio.  I tried all of the commonly suggested fixes with no luck.  Finally, I saw mention of something that nobody else has mentioned and it worked, so I'm getting the word out. 

If you have a Mac, go to your system prefs, and see if you have Perian installed.  It will be at the bottom of the system prefs window.  If so, click on that, then click on the Uninstall button.  If you have Windows, you won't have Perian, but read below anyway.  You might have some similar bit of software, causing the same issue.

Here's what's going on, as I understand it.  I might have one of the finer details a bit off, but even if so, you get the idea.  For those not aware, Adobe is no longer licensed by Dolby to handle Dolby 5.0.  So the only way for Premiere to work with it, is if your computer will handled it natively.  In the mean time, Perian is a third party item that let's Quicktime run file types that it normally does not handle.  However Perian is no longer being updated, and Mac OS can handled Dolby.  So there was some conflict of some sort going on.

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Fix for MTS files with no audio on Mac

New Here ,
Oct 08, 2018

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I was going through the same problem many are having with importing .MTS files, and there being no audio.  I tried all of the commonly suggested fixes with no luck.  Finally, I saw mention of something that nobody else has mentioned and it worked, so I'm getting the word out. 

If you have a Mac, go to your system prefs, and see if you have Perian installed.  It will be at the bottom of the system prefs window.  If so, click on that, then click on the Uninstall button.  If you have Windows, you won't have Perian, but read below anyway.  You might have some similar bit of software, causing the same issue.

Here's what's going on, as I understand it.  I might have one of the finer details a bit off, but even if so, you get the idea.  For those not aware, Adobe is no longer licensed by Dolby to handle Dolby 5.0.  So the only way for Premiere to work with it, is if your computer will handled it natively.  In the mean time, Perian is a third party item that let's Quicktime run file types that it normally does not handle.  However Perian is no longer being updated, and Mac OS can handled Dolby.  So there was some conflict of some sort going on.

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Oct 08, 2018 1
Adobe Community Professional ,
Oct 08, 2018

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Thanks for posting!

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Oct 08, 2018 0
New Here ,
Jan 08, 2019

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Thank you so much!!! This solved it for me!! Bl***y Perian - stole 5 hours of my life - dont even know why it was there?! Thanks again and best wishes!! G

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Jan 08, 2019 0
New Here ,
Aug 01, 2019

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Many Thanks that was the problem . Perian caused the issue !

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Aug 01, 2019 0
srdau LATEST
New Here ,
Jul 09, 2020

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Thank you!  That fixed it.

 

I had to import some Sony Handycam footage today for the first time in ages and I was wondering what was going on!

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Jul 09, 2020 0