Invelos Forums: Lossless audio

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Lossless audio

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	GSyren
	Profiling since 2001

Registered: March 14, 2007

Reputation: Highest Rating

Posts: 4,693

Posted:

I'm planning to use filtering in a program to determine if a profile offers lossless audio.
I know that PCM, DTS-HD and Dolby TrueHD are lossless, but what about Dolby Atmos?

My freeware tools for DVD Profiler users.
Gunnar

	meyerd

Registered: March 15, 2007

Posts: 21

Posted:

Dolby Atmos can contain ether lossless or compressed audio: See here

To get the information you need to build this filter, you have to add the Atmos core track as an additional, separate track.

Regards
Dieter

	GSyren
	Profiling since 2001

Registered: March 14, 2007

Reputation: Highest Rating

Posts: 4,693

Posted:

I was rather afraid that that might be the case.
Since I am filtering purely based on the information in the profiles, I guess I'm out of luck.

My freeware tools for DVD Profiler users.
Gunnar

	specise_8472
	It wasn't me...

Registered: January 27, 2009

Posts: 181

Posted:

If TrueHD Atmos will be lossless.
If AC3 5.1 Atmos will be lossy.
All Atmos is is an extra track containing extended information (Height, distance etc).

So if TrueHD is lossless, If not, even with Atmos, treat it as lossy.

	GSyren
	Profiling since 2001

Registered: March 14, 2007

Reputation: Highest Rating

Posts: 4,693

Posted:

Yeah, I get that. Unfortunately I can't get that info from an existing profile, since it only shows Atmos.

My freeware tools for DVD Profiler users.
Gunnar

Invelos Forums->General: General Discussion

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