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DVD-Audio Primer

 
Old 02-12-2004, 12:01 PM
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What is interesting about the DualDisc article is that Sony released some of this hyrbrid DVD-A format. The article mentions that they may be hedging their bets but nothing official from Sony.
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Old 02-12-2004, 12:33 PM
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Actually, the more I read about DualDisc, the more I get concerned...

With DualDisc, there is no forced DVD-Audio track. Likely, the DVD side will be filled with videos and 5.1 DTS/DD audio. This of course won't play at all in the TL.

Time will tell to see how things evolve...

Jon
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Old 02-12-2004, 03:00 PM
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Does the SACD hybrid not do the same thing?
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Old 02-22-2004, 09:36 PM
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No, it does not. Hybrid SACDs are guaranteed to be SACD on one side, and redbook CD on the other. This is good for the SACD format.

DualDiscs can have DVD-A on one side and redbook CD on the other (this would be great), but it can also hold DVD-V on one side and CD on the other. Or, in the case of Sony's DualDiscs, DVD PCM tracks on one side, redbook CD on the other.

So, with the lack of rigidity on the "other" side of the DualDisc, DVD-A could be sideswiped by more sexy things like DVD-V music videos.

Jon

Originally posted by wanta04tl
Does the SACD hybrid not do the same thing?
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Old 02-26-2004, 09:46 AM
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This is bad news indeed. Stupid format wars!
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Old 03-05-2004, 02:26 PM
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Hmmm, it seems "discWelder Bronze" may not be the absolute god-send many of us are hoping for. Evidently, it will allow only 99 songs to be written to a DVD Audio disc. Although, one way around that is to link the songs together (PITA) before burning.

Note the mention of "Group with up to 99 Tracks".

http://www.minnetonkaaudio.com/news/...erBRONZE.html1
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Old 03-05-2004, 03:17 PM
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Has anyone had luck using WinonCD as described in this link:

http://www.dvdrhelp.com/forum/viewtopic.php?t=173362

Signed, OBSESSED! ;-)
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Old 03-05-2004, 06:07 PM
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Originally posted by tl-lvr
Hmmm, it seems "discWelder Bronze" may not be the absolute god-send many of us are hoping for. Evidently, it will allow only 99 songs to be written to a DVD Audio disc. http://www.minnetonkaaudio.com/news/...erBRONZE.html1
I've got DiscWelder Steel which has the same limitation. As a matter of practicality, I haven't run into the 99 song limit; I usually run out of space before I run out of track numbers.

Mike
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Old 03-05-2004, 08:06 PM
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Originally posted by tl-lvr
Has anyone had luck using WinonCD as described in this link:

http://www.dvdrhelp.com/forum/viewtopic.php?t=173362

Signed, OBSESSED! ;-)
This is for making a dvd-video dvd, just without the video part It's not DVD-A.
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Old 03-08-2004, 11:36 PM
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Now whats the purpose of the DVD -A , if there's not a wide selection of DVD -A out in the market? I am still confused of whats the hype about the DVD -A.
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Old 03-09-2004, 11:43 AM
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DVD-A is relatively new. That's why there are not that many titles.
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Old 03-09-2004, 11:51 AM
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Isn't the 99 track limitation a result of the DVD-A format moreso than a software limitation? I know that Red Book CD Audio is limited to 99 tracks too.
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Old 03-09-2004, 02:17 PM
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I doubt it. If it were a track limitation in the format, I would expect it to be soemthing along the lines of 64, 128 or some other power of 2.

Early CD players had this limitation as well mostly because the hardware did not include the extra display element to add in a third digit for anything over the 99th track.
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Old 03-09-2004, 05:32 PM
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Actually 99 is a limit in the spec for each group. DiscWelder Steel/Bronze have the additional limit of 1 group, whereas the spec allows up to 9. The TL player, however, has no way to switch groups; I believe it can only play group 1.

http://www.disctronics.co.uk/technol...vdaud_spec.htm

Mike
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Old 03-11-2004, 08:34 PM
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Thumbs up

Not dvd-audio but I just made 2 dts cd's
using the ambisionic encoding to 5.1 from the (how to) over at doom9. I must say they turned out sweet. I chose kansas leftoverature and meatloaf as my test subjects
and me and the wife just sat in the car in the garage for a good long while.

Using ambisionics keeps the rears at a nice level as its quite diff than most encoders, non attenuating so the field is all around you.

If you get surcode dts i highly recommend it.
no authoring just burn the dts wav files like a normal audio disc.

I would say u get 14-18 tracks depending on the length of them.
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Old 03-12-2004, 01:24 AM
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Originally posted by TL_Daemon
Not dvd-audio but I just made 2 dts cd's
using the ambisionic encoding to 5.1 from the (how to) over at doom9. I must say they turned out sweet. I chose kansas leftoverature and meatloaf as my test subjects
and me and the wife just sat in the car in the garage for a good long while.

Using ambisionics keeps the rears at a nice level as its quite diff than most encoders, non attenuating so the field is all around you.

If you get surcode dts i highly recommend it.
no authoring just burn the dts wav files like a normal audio disc.

I would say u get 14-18 tracks depending on the length of them.
What is ambisionics? I can't find any reference to it over at doom9.
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Old 03-12-2004, 07:07 AM
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Originally posted by Salden
What is ambisionics? I can't find any reference to it over at doom9.


sry its in the forums under audio.

http://forum.doom9.org/showthread.php?threadid=60137

ambisionics is a surround format created in the 70's i believe but never adopted by the main stream.
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Old 03-12-2004, 09:58 AM
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I didn't have as much luck using ambisonics to go from 2-ch stereo to 5.1 DTS. The original 2-ch stereo version actually sounded fuller to me. I followed the guide posted by EyeOfHorus on doom9.

Plus, (and here's the biggest problem), I keep getting the clicks/noise-spikes when I put anything DTS in the car.

TL_Daemon, you don't have any clicks or noise when playing your DTS cd?
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Old 03-12-2004, 03:23 PM
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Originally posted by zon76
I didn't have as much luck using ambisonics to go from 2-ch stereo to 5.1 DTS. The original 2-ch stereo version actually sounded fuller to me. I followed the guide posted by EyeOfHorus on doom9.

Plus, (and here's the biggest problem), I keep getting the clicks/noise-spikes when I put anything DTS in the car.

TL_Daemon, you don't have any clicks or noise when playing your DTS cd?

No clicks, but I did have to change from data cd's to music cdr's and i reduced speed to 4x
also make sure you are using the latest beta of besweet/1.5b25. Im doing it real simple i use 16/44100 and i dont upscale it and bring it back. my hmn filter is at 60hz cutoff .500 resonace and .250 on inamp /outamp.

as far as media the deck has taken every cdr ive thrown at it.. GC memorex tdk not bad atoll

I think my initial hiccups was my liteon im using the pioneer dvd burner at 4x just to be sure.
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Old 03-12-2004, 05:34 PM
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5 min edit rule gacck!


anyway i just burnt Rush Hemispheres using reg data cdr at 4x no probs :-)

Im thinking if you make dvd dts files and author it like normal, setting first song to autoplay then burn it with nero, except instead of going to video_ts put them in audio_ts.

this should produce a dvd audio disc.
I will post results proly sunday.
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Old 03-12-2004, 07:14 PM
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Originally posted by TL_Daemon
Im thinking if you make dvd dts files and author it like normal, setting first song to autoplay then burn it with nero, except instead of going to video_ts put them in audio_ts.

this should produce a dvd audio disc.
I will post results proly sunday.
Won't work. Guaranteed.

Mike
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Old 03-12-2004, 09:02 PM
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damn ur right mike, tell me can you make dvd dts audio disc with that welder app?
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Old 03-13-2004, 12:09 AM
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Actually, you would be making a dvd-audio dvd not dts. Basically you have your 6 channels of audio before surcode encodes them into 1 dts wav file. You would use discwelder to make those 6 channels into 1 dvd-audio track, right Mike?
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Old 03-13-2004, 12:38 AM
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Originally posted by Salden
Actually, you would be making a dvd-audio dvd not dts. Basically you have your 6 channels of audio before surcode encodes them into 1 dts wav file. You would use discwelder to make those 6 channels into 1 dvd-audio track, right Mike?
Yes. Take the same 6 .WAVs you would have fed to Surecode and feed them to DiscWelder instead, and voila DVD-A.

Mike
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Old 03-13-2004, 09:33 PM
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svtmike:

Thank you for pioneering the DVD-A process for the TL. That said, there's a question that I cannot find the answer to:

It's about the navigation of these DVD-A tracks in the TL. Let's say that we burn the max of 99 stereo tracks on a DVD-RW in the DVD-A format that the TL is fortunate enough to read.....will we see ID3 type info on the screen (artist, track name)? Will we be able to navigate through folders (artist, album, track)?

Let me know if you know, and thanks again!
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Old 03-13-2004, 11:11 PM
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No, the dvd player does not display cd or dvd-a text. You'll have to know your tracks...
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Old 03-13-2004, 11:32 PM
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Salden: That ends that. No point in having x thousand tracks with no ID's.

Do you know if the factory head unit has an aux input so that I might plug my iPod into it without the need for a powered FM modulator?

TIA
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Old 03-16-2004, 03:56 PM
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Originally posted by zon76


Plus, (and here's the biggest problem), I keep getting the clicks/noise-spikes when I put anything DTS in the car.

TL_Daemon, you don't have any clicks or noise when playing your DTS cd?

Update on my dts experience.

seems when sitting in the car with it off i never get the spikes.... but when driving around i get sporadic spikes... leading me to believe the
head unit is picking up interference or a vibration... same disc on home unit i get no spikes.


damn shame i tell u
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Old 03-22-2004, 09:51 PM
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DigiOnAudio2 creates DVD-Audio. Demo version works for 30 days. Just tried -- works fine, plays in TL. It is Japanese software, so I could not try all the features, not familiar with the language
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Old 03-27-2004, 10:02 PM
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DigiOnAudio2 works great!! Just created my first DVD-A disc.

When installing the program, it seems the Windows Media Format and PV Engine options can be deselected as can the list of file extension associations without affecting the ability to write DVD-A discs.

Woo hoo!!! Success at last!!!
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Old 03-30-2004, 05:53 PM
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Old 04-10-2004, 09:10 AM
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Re: humans hearing sounds that have a frequency of 44,100 HZ or more - I thought our hearing maxes out at 20,000 HZ? Allowing for the nyquist theorem (highest frequency that can be recorded without aliasing is half that of the sampling rate) a CD should still be able to get frequences of 22,050 HZ onto it, which should still be higher than our hearing...
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Old 04-12-2004, 03:29 PM
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Exclamation Spikes?

Originally Posted by TL_Daemon
Update on my dts experience.

seems when sitting in the car with it off i never get the spikes.... but when driving around i get sporadic spikes... leading me to believe the
head unit is picking up interference or a vibration... same disc on home unit i get no spikes.


damn shame i tell u
Hey, I just noticed the same thing. On my drive back from Augusta on Saturday I had the Police cranked. Coincidentally, it's DTS and I was getting these quick, loud sounds like a huge bug or small rock hit the window, but louder. I thought the disc was scratched or something, but I put it directly from the case to the changer and have not removed it since. I've listened to it while sitting still and never heard the same noises...
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Old 04-13-2004, 07:59 PM
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Burning DVD-A/DTS Discs and Why No MP3s

I just purchased my TL (Pear White/Parchment with Nav) last weekend. I agree that the audio system is pretty awesome. I was a little disappointed that the system can't play MP3s. I read that Acura felt that mp3s did not have sufficient quality for the TL's sound system. While there is some truth to that statement, it is not a good reason to dismiss a feature that most buyers would want. The quality of an mp3 is largely dependent upon the bitrate and they can sound as good as a CD.

But, off my soapbox. I'd like to burn my own DVD-A discs. Does anyone know of any software available for Mac OS X that can do this? Thanks.
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Old 04-28-2004, 12:35 PM
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Mannheim Steamroller DVD-A won't play!

Well I have just bought my first real DVD-A disc (not counting the several I have burned myself with Discwelder) and it won't play! It's "Mannheim Steamroller Meets The Mouse", a collection of Disney songs redone by Mannheim...I have the CD and its great, and I was hoping the DVD would be too, but it just won't play. The disc has 2 sides, the first is DVD-V layer and when inserted all I get is the word FORMAT and it spits it back out (as it should). The second side is a DVD-A layer and it reads the disc, says DVD-A, GROUP 1 on the info panel above the LCD screen, but then just sits there and does nothing. No tracks will play.

Does anyone else have this disc, or experience something similar with any other DVD-A discs?

Jason
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Old 05-01-2004, 07:33 PM
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Jason-I had the same problem with the Manheim Steamroller DVD-A. My first mistake was not looking closely enough at the title and contents (all disney songs). But I did want to hear in the TL. I got the same results you did. It played fine in my computer's dvd player, however. Not certain what to do.
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Old 05-01-2004, 08:48 PM
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numexbigjim, well I guess it is a problem with this specific disc. I wonder if it is an issue with the disc or the player...probably the disc. The only thing I can think to do at this point is to try and "rip" the 5.1 audio from the DVD-Video side of the disc and then make my own DVD-A with discwelder. It won't be as high quality as the DVD-A side, but it's better than nothing I guess.

Jason
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Old 05-02-2004, 11:57 AM
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Jason
There is currently another discussion ongoing at the 3rd generation board concerning silverline "dvd-music" discs that do not work with the ELS system. Take note.
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Old 05-12-2004, 11:59 AM
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Originally Posted by tl-lvr
DigiOnAudio2 works great!! Just created my first DVD-A disc.

When installing the program, it seems the Windows Media Format and PV Engine options can be deselected as can the list of file extension associations without affecting the ability to write DVD-A discs.

Woo hoo!!! Success at last!!!
Do you did a stereo disc, or a multichannel disc? I've not found a way for a multichannel authoring.
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Old 06-03-2004, 11:27 PM
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You might want to check if there is a video layer on the manheim disc that may be why its not playing
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