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Use ffmpeg
First run ffmpeg -i file.mp4 to see which streams exists in your file. You should see something like this:
Stream #0.0: Video: mpeg4, yuv420p, 720x304 [PAR 1:1 DAR 45:19], 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0.1: Audio: ac3, 48000 Hz, 5.1, s16, 384 kb/s
Stream #0.2: Audio: ac3, 48000 Hz, 5.1, s16, 384 kb/s
Then run ffmpeg -i file.mp4 -map 0 -map 0:2 -acodec copy -vcodec copy new_file.mp4 to copy video stream and 2nd audio stream to new_file.mp4.
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Use ffmpeg. I keep trying to include the commands but codeproject says the message is flagged as spam, but you can easily find them.
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I am spinning with a number of questions. Ill stick with this.
What other video players would you want to use the mkv with? If a video player is able to open mkv, it would know that its just a container with multiple files in it, for each 1 video and 2 audio contents.
So are you more wanting to convert to a different type?
As to your direct question - virtualdub if not already mentioned.
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maze3 wrote: What other video players would you want to use the mkv with? If a video player is able to open mkv, it would know that its just a container with multiple files in it, for each 1 video and 2 audio contents.
So are you more wanting to convert to a different type?
I want to use the regular Windows 10 player - i.e., the one that automatically opens when a double click on the file, or VLC, but I don't want to have to do the setting to select the English audio track. As for the type, I am fine with MKV or AVI as those types show up as icons with the first frame in File Manager. AviDemux seems to always give the message that if I have a video in MKV format, I shouldn't convert it, so maybe it is superior? I know that I don't want FLV as that doesn't show up in File Manager.
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Add/remove audio track etc
Use mkvtoolnix
Download
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A study was just released that stated the average age on cars on America’s highways is 12 years old.
What they forgot to mention was that the average apparent age of drivers was also 12 years of age...
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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My car dates back to 2003, LOL. I don't plan to buy another one until the driverless cars come out. Of course, when driverless cars come out, driverless taxis will also be available, and at a lower net cost that what an owner-operator could do it (i.e., because such a taxi will depreciate very quickly instead of taking a long time, thereby having an investment in the driveway that isn't doing anything most of the time).
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Mine is a 2004.
Payed off and runs and stops.
That's everything to me.
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BTW, I was taking the opportunity to take the news story (about the age of cars), and making a joke regarding the apparent age of drivers).
(jokes aren't nearly as funny if you have to explain them)
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-----
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-----
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Low mileage, only used from time to time.
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Does it come with 1.21 Gigawatts?
“The palest ink is better than the best memory.” - Chinese Proverb
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And please with wireless recharge...
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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littleGreenDude wrote: Does it come with 1.21 Gigawatts?
Mr. Fusion, remember? The same thing that apparently powered the kitchen of the Nostromo[^].
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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I heard those things can really McFly.
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Better hurry up and get it before you're outta time.
Kelly Herald
Software Developer
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At Barness and Noble during lunch yesterday, I stumbled over the updated version of the classic
The Pragmatic Programmer: your journey to mastery, 20th Anniversary Edition (2nd Edition)[^]
Great book and now updated for the modern times.
From section The Cat Ate My Source Code
The greatest of all weaknesses is the fear of appearing weak.
~ J.B. Bossuet
One of the cornerstones of the pragmatic philosophy is the idea of taking responsibility for yourself and your actions in terms of your career advancement, your learning and education, your project, and your day-to-day work. Pragmatic Programmers take charge of their own career, and aren’t afraid to admit ignorance or error. It’s not the most pleasant aspect of programming, to be sure, but it will happen—even on the best of projects. Despite thorough testing, good documentation, and solid automation, things go wrong. Deliveries are late. Unforeseen technical problems come up.
These things happen, and we try to deal with them as professionally as we can. This means being honest and direct. We can be proud of our abilities, but we must own up to our shortcomings—our ignorance and our mistakes.
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So that's what they mean when they constantly complain about not kicking only the pragmatic Orcs into Mt. Doom!
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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Nah. Mordor got Patriots[^]. They call that 'Blazing Skies'.
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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I.e. "One does not simply fly into Mordor".
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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Quote: fly to Mount Doom
Four words: The Nazgul Air Force.
- I would love to change the world, but they won’t give me the source code.
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+ the eye of Sauron
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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