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Windows 7: .MKV conversion

06 May 2011   #11

Windows 7x64 Home Premium SP1

Quote   Quote: Originally Posted by D247 View Post
You are still going to lose quality streaming it. It'll end up about DVD quality streaming it through the PS3. Only way to watch it in HD is to plug it in HDMI or DVI from a laptop to the TV.
m2ts HD files are typically coded using VC 1 from my observation.
When dealing with lossy re-encoding you can only decrease the theoretical information content.

But video and audio coding capitalizes on human perception.
Assume you use pass through with audio so it stays the same.
Using Handbrake you can re-encode video using AVC/H.264 with at least a 4:1 reduction in size and get perceptually near identical HD video quality. Then place video and audio in an MKV container.

Using an Intel Core 2 Quad @2.5GHz the process may take ~ 7 hours!

My System SpecsSystem Spec
06 May 2011   #12

Windows 7 Home Premium 64bit

All you need is TsMuxer.

Use it to create a AVCHD format.

Youll have a folder thats a Bluray type structure. Just add the the 2 folders to the disc and burn to DVD or DL-DVD with ImgBurn.

So long as the encode itself follows Bluray/AVCHD specification, it will work.

Have a look here:
AVCHD Disc (How to create)

The source file can be MKV or even a MP4. All that matters is that the streams are compliant.
Typically, H264 video stream with AC3 or DTS audio stream.
My System SpecsSystem Spec
06 May 2011   #13

Windows 7 Ultimate 32bit

+1 for the above AVCHD option.

Initially the OP said that he wants to play the HD content with a standard DVD Player.

When a PS2 was suggested he came out that he already has a PS3.

In the circumstances, burning AVCHD to the DVD media and playing it on his PS3 seems to be a viable option but burning a AVCHD DVD will require a BD writer. Right????

Given that the OP has indicated that he does not want to lose the HD quality one has to assume that he wouldn't be willing for a lower bitrate.

This brings the next point how much HD video he can put on into the DVD. At a bitrate of11500 Kbps and 1080i it may be 45 minutes while at 30000 Kbps it may only be 15 minutes.

Obviously the OP cannot have the cake and eat it too.

Personally I would prefer writing to a BD-R disk straight away than trying to touch my nose from behind my head. BD Media is becoming cheaper by the day.
My System SpecsSystem Spec

06 May 2011   #14

Windows 7x64 Home Premium SP1

The AVCHD tutorial directly answers your question.
I think you can have your cake and eat it too using a DVD+R/DL and an appropriate encoded H.264 video. 8GB will give you an excellent, albeit not perfect, full HD encoding. The proof of the pudding is in the eating.

BD burners and disks are still very expensive. To make a "perfect" backup of your Blu Ray you may as well just buy a second copy.
My System SpecsSystem Spec
06 May 2011   #15

Windows 7 Home Premium 64bit

Yep, Just a regular DVD or Dual LAyer DVD writer is all you need.
However, you will need a a BluRay Player to play it back.

As far as quality goes, Ive found if you downsize to 720P, you can get some really good looking copies on a single layer DVD, or DL for longer films.

You can keep it at 1080P, but many times, they come out just as well or better as a higher bitrate 720P copy.

It really depends on the the length of the film, and what media you're using.

If just just single layer disc, Id say downsize it to 720p, and go with as high of a bitrate as you can.
So you keep it looking as close to the original as possible.

It will not be operfect, but many would find it difficult to notice the difference.
My System SpecsSystem Spec
06 May 2011   #16

Windows 7 Ultimate 32bit

^So my assumption that a BD writer is required for writing AVCHD is wrong. Thanks for clarifying my mistaken notion.

Ya, a BD player is required to play the AVCHD disk. There is no confusion there and the OP has it.

It indeed becomes a viable option to the OP, provided he comes down on the bitrate and 720P suitable for packing it on a DL DVD.

Let us see what the OP has in mind after all that has flown here.
My System SpecsSystem Spec
07 May 2011   #17

Windows 7x64 Home Premium SP1

When I use an mkv-h264 output from Handbrake, the guidelines in the AVCHD tutorial don't work for me.
When I run Tsmuxer it sets to 9000fps and I get buffer overrun.
I'm guessing my lack of knowledge is to blame.
My System SpecsSystem Spec
07 May 2011   #18

Windows 7 Home Premium 64bit

Wierd ...

TBH, Im not familiar with Handbrakes settings.
Perhaps theres something Handbrake does that overides these settings?
That or Im missing something.

But, TsMuxer shouldnt try to change the bitrate. All its really doing is De-Muxing the Audio and Video from the MKV or MP4 file, and remuxing them into a MT2S container.
Bitrate should stay the same as it was when it was encoded.

Im a bit confused as to why it would be doing this ...

Do your TSMuxer settings look like this?
.MKV conversion-1.jpg .MKV conversion-2.jpg

The major things that need to be set in the encoder should just be:
Ref. frames = 4
VBV Buffer 14500
Max Bitarte 14000

These settings should make the Video Stream BD/AVCHD compliant.
So bitrate and file size should all be done via the encoder itself.

My System SpecsSystem Spec
07 May 2011   #19

Windows 7x64 Home Premium SP1

Thanks Wishmaster I'll follow up shortly with a new thread using your post #18 as a first response.
The OP may want to push his question in a different direction to mine.
My System SpecsSystem Spec

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