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Not happy with quality of Toast Blu-ray video

I have created twenty H.264 QT movies by Sharing from FCP X. Each is a song from a band performance. I am now burning a Blu-ray video using Toast Titanium (version 11.1). The test discs I have created are disappointing. The quality degradation is not huge, like you see in going to the Internet, but it is noticeable in the skin tones.


My custom settings in Toast are:

Video format: MPEG-4 AVC

Average bit rate: 15.0 Mbps

Maximum bit rate: 20.0 Mbps

Motion estimation: Best

Re-encoding: Never

Field Dominance: Automatic

Aspect ratio: 16:9

Audio Format: PCM, 48KHz, 24-bit, stereo.


Even though I set it to "Never" re-encode, Toast is re-encoding when I burn. I tried going to a Disc Image rather than a Blu-ray disc just to see what would happen, and in this case it multiplexed rather than re-encoded, and this went much faster.


Questions:

1. Are there different settings you would recommend?

2. Why is Toast re-encoding when I tell it to "Never" re-encode? Since the QT movies are H.264, 48 KHz 24-bit PCM audio, what exactly is it re-encoding?

3. Is there a better way to make high quality Blu-ray videos, using something other than Toast?

_______________________________________

2010 Mac Pro Dual Quad, OS 10.8.1

Blu-ray burner is: OWC Mercury Pro 12X Blu-ray+DVD/CD Burner FireWire 800/400 (made by Pioneer)

Final Cut Pro X, OS X Mountain Lion (10.8.1), Mac Pro 2 x 2.4GHz Quad-Core Intel

Posted on Sep 14, 2012 10:00 AM

Reply
34 replies

Nov 27, 2012 12:05 AM in response to fox_m

Hi fox_m


I understand what you mean but the problem I have is that I'm not creating a true Blu-ray Disc but an AVCHD DVD-R disc whch can be played (in HD) on a Blu-ray player. This means that in Compressor I do the following:


  1. Add source file to batch.
  2. Add settings - H.264 for Blu-ray and Blu-ray Audio.
  3. View the batch in Inspector.
  4. Click on the Job Action tab.
  5. Where it says "when job completes" I select "create Blu-ray Disc".
  6. At this point I can either select Hard Drive (Blu-ray) or my Superdrive (AVCHD) as my output device.


The problem is that I have to select the Superdrive option to burn the files in AVCHD rather than Blu-ray format so that the files can end up on a DVD-R, playable on my Blu-ray player. My understanding is that if I select the hard drive option the files will be in Blu-ray format which must then be burned to a Blu-ray disc which I don't have. My main idea was to use the DVD-R discs because most of my material is short and they are cheap and comvenient. If I could copy them that is!


My original DVD-R discs play absolutely fine, the issue is making a copy of them.


I looked at the original DVD-R disc that gets produced and it looks to contain a single folder called BDMV. I thought I'd try making an image of just the folder (using Disc Utility) which I did and that worked fine, rather than imaging the disc. The problem was that the player didn't recognise it when I burned the image to a disc and tried it. Another avenue closed!


Thanks,


Q

Nov 27, 2012 12:21 AM in response to qfieldboden

The disc image doesn't care what kind of disc it gets burned to as long as it fits. In Toast, you *will not* be burning a "video disc" -- but a Data Disc. Toast has an option for Data > DVD-ROM (UDF) -- drag the *contents* of the image onto that window and burn (for regular dvd - that's just the TS_VIDEO and TS_AUDIO folders -- I don't know what it is for blu-ray [I don't have a blu-ray player]). It *should* work if you're burning the files to a regular DVD disc (4GB...) even if the data is Blu-ray (AVCHD...). Going rate for a DVD-R recordable is < 50 cents. That's all you have to lose trying it, and you can always use it as a coaster.

Nov 27, 2012 2:01 AM in response to fox_m

Hi fox_m


I'm not sure what I'm missing here but my issue is that I can produce the original DVD-R which plays HD video on my Blu-ray player. The problem is I can't then produce a disc image of that disc from which to burn further copies of the disc. If I'm understanding what you say correctly you are saying that I should "drag the *contents* of the image" but I'm not able to actually produce a disc image from my original disc in the first instance 😟


I'm not sure if this is what you mean but based on what you say I've just opened Toast and gone into the Data>DVD-ROM (UDF) option, dragged the icon of the disc I'm trying to copy into it, selected disc image as the output and set it on it's way, it looks as if this will produce a file with the extension .toast


Once that's been generated I'll see what I can do with that and report back!


Thanks,


Q

Nov 27, 2012 2:37 AM in response to qfieldboden

I don't make a lot of AVCHD discs as most of my videos are converted to H.264 for viewing on a TV via a media player.


I don't know whether the following suggestion is a product of my imagination but you could try this, using a DVD-RW so you don't waste a disc if it goes wrong.


Put your newly created AVCHD disc in your Mac and when its icon appears, double-click to open it.


You will see a BDMV folder, drag it to the desktop, put a blank DVD-RWin and drag the BDMV folder onto it.


Burn it using the Finder or Disk Utility.

Nov 27, 2012 2:44 AM in response to qfieldboden

Hi


Cracked it, copying was a success, using the Toast - Data>DVD (UDF) route. Interestingly on the disc produced by the copying process an extra directory appeared on the disc called "certificate" which wasn't visible on the original but who cares, the ****** copy plays!


Many thanks to everyone who helped guide me down the right track, particularly fox-m.


Q

Nov 27, 2012 3:30 AM in response to Ian R. Brown

Ian R. Brown


🙂 Glad it's not just me, it's that magical "something different" that has proved to be so ****** frustrating. It's something to do with this "certificate" folder that Toast is adding I reckon which is making them playable. However, a solution has been found and I'm just over the moon that I can get HD video (40 minutes per disc) onto DVDs at 13p a shot and play them in a Blu-ray player in glorious HD. On top of that I can now burn off as many as I want at 13p a go and pass them out to friends and family 😎


Thanks for your input.


Q

Nov 27, 2012 10:54 AM in response to Ian R. Brown

fox_m and Ian R. Brown


I tried everything I could think of, which isn't much, and everything I could find to try using Finder/DiskUtility and got nowhere and gave up in the end. I'm just so grateful to fox_m for mentioning the option in Toast or I'd never have got where I am now. Quite depressing to be just getting this sorted out as it seems disc media will be going the journey! I confess to rather liking disks, at least when you buy a disk you feel you've actually got something, unlike just downloading something. You can't wrap up a download in nice paper for Christmas 😍


Q

Not happy with quality of Toast Blu-ray video

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