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Question about xonar Audio Centre.

post #1 of 4
2/4/12 at 7:39pm
Thread Starter 

Hey guys I have be using my Xonar Essence STX for quite a while now and I am pretty familiar with the audio center. My question is whether or not I need to set the sample rate in windows sound properties and the Xonar Audio center or does the Audio Center override? I like to change the sample rate from 44.1 to 48 when I play BF3 because Bf3 is recorded in 48khz not 44.1.

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post #2 of 4
2/4/12 at 8:34pm
Quote:
Originally Posted by Mono Indeed View Post

Hey guys I have be using my Xonar Essence STX for quite a while now and I am pretty familiar with the audio center. My question is whether or not I need to set the sample rate in windows sound properties and the Xonar Audio center or does the Audio Center override? I like to change the sample rate from 44.1 to 48 when I play BF3 because Bf3 is recorded in 48khz not 44.1.



They are two seperate sample rate conversions. The windows advanced settings is a software based conversion wheras the Xonar Audio control centers sample rate conversion is hardware based. Hardware based sample rate converters are better at reducing jitter but modern DACs such as used on the XonarEssense cards are pretty much ammune to anyway as the DAC again converts the sample rate as well as sample format inside the DAC. The answer is yes the Xonar will overide the sample rate thae is set in windows by putting it through anouther sample rate conversion on the card itself which will then again be resampled by the DAC anyway. People worry too much about sample rate conversion as no matter what you do all modern DACs convert sample rate & sample type internally anyway.

 

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post #3 of 4
2/4/12 at 9:03pm
Thread Starter 

So when I want to change sample rate I only need to change it in the Xonar center?

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post #4 of 4
2/4/12 at 11:13pm
Quote:
Originally Posted by Mono Indeed View Post

So when I want to change sample rate I only need to change it in the Xonar center?



If you want bit perfect to the DAC then you need to set both to the sample rate you want but bear in mind the DAC converts it to it's own sample format anyway. Converts it from16-24 bit 44.1-192KHz to 1-6 bit at some very low  fraction of this,24.576MHz or even this frequency. This means really the sample rate conversion is not really nessessary unless there is some property you THINK you need from it. Emphasis on think intentional as you probably could not detect it anyway in blind tests. Back in the day of ladder type DAC's it was actually important but probably not now. Ladder type DAC's were sensitive to input jitter , modern ones are not.

 

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