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Windows speaker properties sample rate

post #1 of 7
Thread Starter 

If I set it to 24/96 and play 16/44.1 is my music being up-sampled to 24/96? I'm using a Creative ZxR. 

post #2 of 7

Yes that will cause it to up-sample (and then might be down-sampled after that when sent to the DAC, depending on your hardware). Using WASAPI exclusive mode might bypass the resampling though. Most files are 16/44.1 so Windows will have to be doing a ton of pointless re-sampling.

 

Keep your Windows properties set to 16/44.1

It will be less likely to have any negative impact on sound quality and has better compatibility with applications. 

post #3 of 7

Keep the bit depth at 24. With 24 bit depth it wont degrade the quality even if you adjust the volume in your music player or mix several 16 bit sources, but if you set it to 16 bit it will.

 

I would set it to 24/48. Movies, youtube videos, and probably games as well, are at 48KHz. If you need to listen to music at the same time, use your music player to resample it to 48k. If you're just listening to music by itself you can use ASIO or WASAPI to bypass the windows mixing and resampling so it will play back at it's native sample rate. It's not too complicated to set up in foobar, I don't know what player you use.

post #4 of 7
Quote:
 Movies, youtube videos, and probably games as well, are at 48KHz.

 

This is incorrect. Increasing sampling rate increases file size without audio quality gain; bitrate is far more important and would never be sacrificed for sample rate. There is absolutely no reason whatsoever to use more than 44.1 khz sampling rate for anything that isn't a lossless file where file size isn't important, and none of those use lossless because file size is a concern. Youtube recommends a 48 or 96 sampling rate though it resamples to 44.1 if you check the audio data so that they don't have to stream as much data and strain their servers. I have never seen a game above 44.1 khz, and typically they have been 22 khz for me; no reason to make a game where you want to minimize file size have a larger sampling rate than a CD dedicated to music where file size isn't a concern.

 

Besides, he said his music was 16/44.1 and you always want to match the music file. Audio fidelity is most important to music.


Edited by adisib - 6/29/14 at 4:04pm
post #5 of 7
Thread Starter 

I use VLC for listening to music, I do have some music that's 24/96 and 24/192. 

 

Is bit perfect really necessary? 

post #6 of 7
Quote:
Originally Posted by Nada190 View Post
 

I use VLC for listening to music, I do have some music that's 24/96 and 24/192. 

 

Is bit perfect really necessary? 

No, bit perfect is not necessary. If you listen to some music that is 192 you may as well set it to 192 in windows. Down sampling will remove some frequencies (even though they are inaudible) and can potentially introduce aliasing in the audible frequencies if the resampler is not good. Upsampling is probably done more accurately, so I say just set it in windows to the highest rate of any file you will play. If you can use ASIO in VLC to avoid resampling any of your music that would be even better.

Quote:
Originally Posted by adisib View Post
 

 

This is incorrect. Increasing sampling rate increases file size without audio quality gain; bitrate is far more important and would never be sacrificed for sample rate. There is absolutely no reason whatsoever to use more than 44.1 khz sampling rate for anything that isn't a lossless file where file size isn't important, and none of those use lossless because file size is a concern. Youtube recommends a 48 or 96 sampling rate though it resamples to 44.1 if you check the audio data so that they don't have to stream as much data and strain their servers. I have never seen a game above 44.1 khz, and typically they have been 22 khz for me; no reason to make a game where you want to minimize file size have a larger sampling rate than a CD dedicated to music where file size isn't a concern.

 

Besides, he said his music was 16/44.1 and you always want to match the music file. Audio fidelity is most important to music.

It seems you're right about youtube videos, I thought I checked in the past and concluded that they played back at 48KHz, but I guess not, or maybe I was confused by their uploading guidelines. DVD and Blu-ray movies are definitely 48 or 96 though. Looking through the files in Dark Souls, the opening cinematic audio has 48KHz sample rate. I'm sure a lot of games are 44.1 also. What games do you know to have 22KHz sampled audio?

post #7 of 7
Thread Starter 

If anyone can help with this weird problem I got now.

 

When I set VLC to windows media player output device, any song i play stutters like nuts for the first 3-5 secs and then plays fine. No more windows sounds in this mode, so is it WASAPI? I use foobar as well with WASAPI no problems at all.

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