Problem with Audio on older DVD players

kwkeirstead

kwkeirstead

Well-known member
I have some 1080/24p footage with audio LCPM 48K/16 that I rendered using Sony Vegas 13 to MainConcept mp4 Internet Hd 720p. (192Kbps, 48KHz, 16 Bit, Stereo AAC)

Any recommended changes?

The results
Works fine on PCs
Works fine on new DVD players or Blu-Ray players
Does not work on some older DVD players

On certain older players (the test one having 3 video connections , 2 audio connections instead of an HDMI cable connectio)n, the audio pauses every few seconds. Seems like content is being loaded into a buffer which reaches a state where a pause is needed.

I made 25 DVDs on Philips DVD -Rs and got back problem reports with 5.

The advice I received was to render to Verbatim DVD –R and I did that but there was no difference.

The TV is not the problem, the DVDs seem not to be a problem so this leaves rendering or a certain class of player.

Anyone had similar problems with pauses in the playout of DVDs?
 
If you are making DVDs for release to the general public to play on vintage DVD players, you should probably stick to the traditional DVD encoding instead of more modern, computer-centric codecs.
 
Thanks, Richard..

No clue how to make "traditional DVD encoding"

I follow one of the following incantations


SONY VEGAS 13

OPTION 1

I first Render As

And then I go to Tools\Burn\DVD

I click at OK
MPEG-2 720x480-24p, 16:9 (NTSC)

The Audio format seems to be fixed (paled out)
48,000 Hz, 15 Bit, Stereo, PCM


I had always figured the two steps need to be done in sequence.

i.e. Vegas makes an mp4 and then uses it to make the Mpeg-2.


OPTION 2

I do have Sony DVD Architect Pro 6.0 and do this

a.
Insert Media\ {pick up a rendered mp4)

b.
Go to Properties and set Disc Format to DVD


c. Click on “Make DVD”


d. click on Burn.

e. Click on Next.

f. I then ignore the following by clicking on Next.

The video " " on track 2 Video ... will be compressed
The audio on track 1 of " " will be compressed


g.


Disc Duplication

After all of this, either Option 1 or Option 2 I then figure I have a master and I use DVD Cloner to make copies
 
The DVD format is typically NTSC standard def, 480x720 widescreen, MPEG 2 video with AC-3 audio.
I would recommend using one of the Vegas Pro DVD presets for DVD Architect.
Your above specs are for the BU (BluRay) format, which should play w/o issue in any Blu Ray player.

Peruse the SCS Vegas Pro forum, there are many knowledgeable experts there who are happy to help.
 
I would also add that older DVD players often had issues with DVDr's. The difference in the way they are made (fade a dye layer VS stamping) makes it harder for DVD players that were not build with DVDr in mind. Once DVDr's got common the frequency of the laser was changed slightly to make them more compatible.

I'm talking pretty old by now though.

Also What tends to happen with media devices is that priority is on the visual so sound problems may be sound or they maybe that there is a video problem, like too much data, and sound is getting the short end as the CPU tries to sort stuff out.

Also if possible with your set up you should get better results going to the DVD encoder with the highest resolution file you can. So I would skip the middle step and go straight to the MP2.
 
Great advice from all, thank you..

I will check out the SCS Vegas Pro site and keep tuned into this discussion.
 
kwkeirstead said:
The results
Works fine on PCs
Works fine on new DVD players or Blu-Ray players
Does not work on some older DVD players
Click to expand...

As I read like that (having used Vegas in the past), I'd say the problem comes from Vegas when burning the discs.
I would render two separate tracks, MPEG-2 for the video and .ac3 for audio. You just have to calculate your bitrate using that online calculator from DVD-HQ.info.
You only have to set your encoder with the proper bitrate settings, and you'll have your compliant streams.

The main problem I see here, comes from DVD Architect. If you have the option of creating a folder based output, then I'd go for it and use IMGburn to get the disc burned. Once you have the proper VIDEO_TS and AUDIO_TS folders, you simply drag-and-drop them into IMGburn, and it'll automatically set the right settings in order to burn a compliant DVD. That's how I proceed out of Adobe EncoreDVD.
 
@Rick R - I went to SCS Vegas Pro Forum and found the following: it worked fine, no audio pauses on the old test player

Thanks to everyone who responded..

Vegas rendering settings for a DVD
Published 08/11/2004 10:50 AM | Updated 12/15/2011 08:08 AM
If I plan to burn my Vegas project using DVD Architect, what render settings should I use in Vegas?
If you are rendering from Vegas for use in DVD Architect, in the Render As window, click on the triangle shaped icon next to "MainConcept MPEG 2" in the Output Format field. This will expand the tree system and allow you to choose a template under that specific format. Then select the "DVD Architect NTSC video stream" template. This template will only encode the video stream, so you will have to render a second time to encode the audio stream.

When you choose Render As for the audio stream, select one of the two formats that DVD Architect will use for encoding the audio stream in the save as type field:

- Dolby Digital AC-3 (*.ac3) and for Template, choose "Stereo or 5.1 Surround" (you will only see one of these options, which reflect what your project properties are set to).

- Wave (Microsoft) (*.wav) and for Template choose "48,000 Hz, 16 Bit, Stereo, PCM wave file".
As with the video formats, clicking on the triangle shaped icon next to the audio formats expands the tree and allows you to see template selections underneath that format.

Also, make sure you render both files to the same folder with the same name. If you do this, when you import the video stream into DVD Architect, the audio steam will import automatically.

In your DVD Architect project you can set your Project Properties to match your video and audio format properties. To do this, you can go to File > Properties and for the Video / Audio format, select a respective file type and template.

To add the clips that you have rendered from Vegas, in DVD Architect choose Insert > Media, and find the clips that Vegas rendered which will be stored where ever you directed Vegas to store the video and audio streams.

This will add your media clip to your DVD Architect project.

When you are ready to output your disc, choose the Make DVD option in the DVD Architect toolbar. Make sure you check the Use Current Project when going through the Burn wizard.
 
+11 on ImgBurn, once you have an image <.iso> file, ImgBurn writes it to disc and checks the disc for errors via the verification mode. Highly recommended
 
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