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Old May 23, 2011, 11:18 PM   #1
slyfox2151
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AMD HDMI Sound Card (video card)

hello,


im wondering if there is much difference between the 4xxx vs 5xxx vs 6xxx in terms of sound output.

are there any unique features ect....



tried Google'ing, however i cant find any specific information.
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Old May 23, 2011, 11:28 PM   #2
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AFAIK, there is no difference in how the output via HDMI works.
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Old May 23, 2011, 11:42 PM   #3
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or any difference vs Nvidia?
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Old May 31, 2011, 10:08 PM   #4
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System Specs

4xxx does pcm and 5x/6x do bitstreaming.
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Old Jun 1, 2011, 11:51 AM   #5
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Quote:
Originally Posted by freaksavior View Post
4xxx does pcm and 5x/6x do bitstreaming.
I thought the audio device on the cards has been the same since the 3000 series?

TBH, I really don't know . . . never cared much to dig into the audio on the ATI cards
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Old Jun 1, 2011, 12:00 PM   #6
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Quote:
Originally Posted by freaksavior View Post
4xxx does pcm and 5x/6x do bitstreaming.
This is the correct answer. If you don't know the difference between PCM and bitstreaming, now would be a good time to ask.
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Old Jun 1, 2011, 12:08 PM   #7
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The 5/6 will also output in the hd formats like dts master hd
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Old Jun 1, 2011, 12:18 PM   #8
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Quote:
Originally Posted by freaksavior View Post
4xxx does pcm and 5x/6x do bitstreaming.
Yes using multichannel, i know the 6970 i have can get 7.1 and can do DTS an DD with sample rates upto 192KHz
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Old Jun 1, 2011, 12:25 PM   #9
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i was hoping it could be use'd to convert DTS HD / MA to PCM.


my 7.2 receiver only supports DTS / DD 5.1 or uncompressed 8 channel PCM.






my biggest issue is the fact i need to change my audio output from 7.1 / 5.1 to Stereo to get upmixing to work on the receiver.
Music i need to have it set to Stereo with no Up Mixing.
Movies with 2.0 output needs to be set to Stereo with PL2 X upmix
Blu ray / DvD with 5.1 needs to be set to 5.1 with PL2 X up Mix
Blu ray with 7.1 needs to be set to 7.1 with no upmix
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Old Jun 1, 2011, 12:40 PM   #10
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Quote:
Originally Posted by CJCerny View Post
This is the correct answer. If you don't know the difference between PCM and bitstreaming, now would be a good time to ask.
Higher sample rates and/or more available sound channels? I did a quick search but only found stuff related to Bitstream Inc. (the font maker company).
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Old Jun 1, 2011, 12:47 PM   #11
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Bitstream is Compressed. it could be lossy or lossless, DD/DTS vs DD True-HD / DTS-MA.
PCM is the Raw uncompressed audio.



a receiver will at some point convert Bitstream to PCM and then output it to the amp/speakers.

EDIT:
convert is not really the right word here.... it will uncompress the Bitstream so it can get to the raw audio data.
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Old Jun 1, 2011, 12:54 PM   #12
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So they relate to each other like FLAC (HQ lossless compressed audio) to Wave (uncompressed audio)?
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Old Jun 1, 2011, 12:58 PM   #13
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yeah.
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Old Jun 1, 2011, 06:29 PM   #14
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System Specs

Quote:
Originally Posted by cheesy999 View Post
The 5/6 will also output in the hd formats like dts master hd
Hence bitstreaming
Quote:
Originally Posted by slyfox2151 View Post
i was hoping it could be use'd to convert DTS HD / MA to PCM.


my 7.2 receiver only supports DTS / DD 5.1 or uncompressed 8 channel PCM.

my biggest issue is the fact i need to change my audio output from 7.1 / 5.1 to Stereo to get upmixing to work on the receiver.
Music i need to have it set to Stereo with no Up Mixing.
Movies with 2.0 output needs to be set to Stereo with PL2 X upmix
Blu ray / DvD with 5.1 needs to be set to 5.1 with PL2 X up Mix
Blu ray with 7.1 needs to be set to 7.1 with no upmix
This would be manual each and every time but you can use Arcsoft total media theater to play it out in PCM instead of have it compressed and then decoded.

Quote:
Originally Posted by AsRock View Post
Yes using multichannel, i know the 6970 i have can get 7.1 and can do DTS an DD with sample rates upto 192KHz
Not sure how this is realavent?

Quote:
Originally Posted by slyfox2151 View Post
Bitstream is Compressed. it could be lossy or lossless, DD/DTS vs DD True-HD / DTS-MA.
PCM is the Raw uncompressed audio.



a receiver will at some point convert Bitstream to PCM and then output it to the amp/speakers.

EDIT:
convert is not really the right word here.... it will uncompress the Bitstream so it can get to the raw audio data.

There is no difference besides the fact
A) the computer does the processing
B) the Amp does the processing and shows DTS-HD MA on the receiver (which looks awesome)
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Old Jun 21, 2011, 12:24 PM   #15
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yes previously said in thread

only 4xxx,5xxx,6xxx with HDMI connection can passthru DTS-HDAudio...
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Old Jun 22, 2011, 03:19 PM   #16
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Quote:
Originally Posted by Silencer1980 View Post
yes previously said in thread

only 4xxx,5xxx,6xxx with HDMI connection can passthru DTS-HDAudio...
No, the 4xxx does PCM meaning the computer processes the audio.
5xxx and 6xxx can do pcm, or bitstreaming, so either the pc does the processing, or the video card will send the AMP/Receiver the audio and let it decode it.
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