Architect re-compresses 24/192 stereo PCM at DVinfo.net

Duane Adam · January 31st, 2011, 10:41 AM

I'm trying to render blu-ray discs with audio (2 channel) that was recorded as 24/192 PCM. DVD Architect 5.2 says audio will be re-compressed even though there's plenty of disc space. Is there a workaround?

Rob Wood · January 31st, 2011, 12:40 PM

did you set the Audio defaults in your DVD-A project?

Go File > Properties, scroll half-way down to Audio defaults:

1) Audio format: PCM Stereo
2) BIt depth: 24
3) Sample Rate (Hz): 192,000

(i've never made a Blu-ray with 24-bit audio so don't know if this'll solve your problem)

Duane Adam · January 31st, 2011, 01:33 PM

Yeah that's how the properties are set up. Puzzling that it will let you select 24/192, and then automatically re-compress the sample rate.

Jeff Harper · January 31st, 2011, 01:45 PM

It will let you select anything, but it must re-render if the settings you choose are not compliant with DVDA.

Go to Vegas help and you'll find the parameters for settings that do not have to be re-rendered.

Duane Adam · January 31st, 2011, 11:07 PM

Thanks guys. This is for blu-ray not DVD and 24/192 is a permissible bit and sample rate. The help dialogue confirms this. I rendered a few samples and the rendered file seems to be the same size as the original 24/192 files so I'm not sure the audio files are actually being compressed. They certainly aren't being reduced to 24/96 or 24/48, though I'm not sure they're being rendered untouched.

Jeff Harper · January 31st, 2011, 11:12 PM

See what you mean now, that is weird, but as you point out it seems no loss of quality is occurring, so not much to do...will just cost you a bit extra time.

January 31st, 2011, 10:41 AM	#1
Duane Adam Major Player Join Date: Dec 2006 Location: Gilroy, CA Posts: 398	Architect re-compresses 24/192 stereo PCM I'm trying to render blu-ray discs with audio (2 channel) that was recorded as 24/192 PCM. DVD Architect 5.2 says audio will be re-compressed even though there's plenty of disc space. Is there a workaround?

January 31st, 2011, 01:45 PM	#4
Jeff Harper Inner Circle Join Date: Jun 2005 Location: Cincinnati, OH Posts: 8,425	It will let you select anything, but it must re-render if the settings you choose are not compliant with DVDA. Go to Vegas help and you'll find the parameters for settings that do not have to be re-rendered. __________________ "The horror of what I saw on the timeline cannot be described."

January 31st, 2011, 11:12 PM	#6
Jeff Harper Inner Circle Join Date: Jun 2005 Location: Cincinnati, OH Posts: 8,425	See what you mean now, that is weird, but as you point out it seems no loss of quality is occurring, so not much to do...will just cost you a bit extra time. __________________ "The horror of what I saw on the timeline cannot be described."

January 31st, 2011, 12:40 PM	#2
Rob Wood Regular Crew Join Date: Mar 2007 Location: Vancouver, Canada Posts: 146	did you set the Audio defaults in your DVD-A project? Go File > Properties, scroll half-way down to Audio defaults: 1) Audio format: PCM Stereo 2) BIt depth: 24 3) Sample Rate (Hz): 192,000 (i've never made a Blu-ray with 24-bit audio so don't know if this'll solve your problem)

January 31st, 2011, 01:33 PM	#3
Duane Adam Major Player Join Date: Dec 2006 Location: Gilroy, CA Posts: 398	Yeah that's how the properties are set up. Puzzling that it will let you select 24/192, and then automatically re-compress the sample rate.

January 31st, 2011, 11:07 PM	#5
Duane Adam Major Player Join Date: Dec 2006 Location: Gilroy, CA Posts: 398	Thanks guys. This is for blu-ray not DVD and 24/192 is a permissible bit and sample rate. The help dialogue confirms this. I rendered a few samples and the rendered file seems to be the same size as the original 24/192 files so I'm not sure the audio files are actually being compressed. They certainly aren't being reduced to 24/96 or 24/48, though I'm not sure they're being rendered untouched.