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  #11  
Old 01-17-2020, 01:16 AM
2fastdriving 2fastdriving is offline
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Op has a k01x, so you rossini people are not helping [emoji1787]

The upsampling to dsd sounds terrible on esoteric gear for some reason, nobody does it. [emoji2369]
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  #12  
Old 01-17-2020, 10:12 AM
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audioguy3107 audioguy3107 is offline
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Originally Posted by 2fastdriving View Post
Op has a k01x, so you rossini people are not helping [emoji1787]

The upsampling to dsd sounds terrible on esoteric gear for some reason, nobody does it. [emoji2369]
Yep......time to upgrade!!

- Buck
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  #13  
Old 01-17-2020, 12:42 PM
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W9TR W9TR is offline
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Originally Posted by tdelahanty View Post
Your thoughts have crossed my mind too. A friend of mine always listens to native format and insists it sounds more detailed. If you look at the math up-sampling should increase detail (resolution) by plotting extra data between native sample points. Indeed we may be hearing artifacts from digital filtering or/and the process of up-sampling may be doing things Science does not fully understand yet.
Upsampling + interpolation doesn't increase the true resolution of the source. It does interpolate between the source data points and adds extra calculated samples. If the over sampling rate is an integer multiple of the source frequency the math is very straight forward.

The biggest impact is it moves the alias frequencies far outside the audio band, allowing for simpler digital and analog reconstruction filters.

I think that is what we hear when we over sample - the filters used by the DAC, not the oversampling process itself.

Tom
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Last edited by W9TR; 01-17-2020 at 12:44 PM.
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  #14  
Old 01-17-2020, 04:35 PM
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Quote:
Originally Posted by W9TR View Post
Upsampling + interpolation doesn't increase the true resolution of the source. It does interpolate between the source data points and adds extra calculated samples. If the over sampling rate is an integer multiple of the source frequency the math is very straight forward.

The biggest impact is it moves the alias frequencies far outside the audio band, allowing for simpler digital and analog reconstruction filters.

I think that is what we hear when we over sample - the filters used by the DAC, not the oversampling process itself.

Tom


+1
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  #15  
Old 01-17-2020, 05:13 PM
2fastdriving 2fastdriving is offline
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Originally Posted by audioguy3107 View Post
Yep......time to upgrade!!

- Buck
Nah, plenty of other options to make it sound fantastic!
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  #16  
Old 01-17-2020, 06:35 PM
nicoff nicoff is offline
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Quote:
Originally Posted by W9TR View Post
Upsampling + interpolation doesn't increase the true resolution of the source. It does interpolate between the source data points and adds extra calculated samples. If the over sampling rate is an integer multiple of the source frequency the math is very straight forward.

The biggest impact is it moves the alias frequencies far outside the audio band, allowing for simpler digital and analog reconstruction filters.

I think that is what we hear when we over sample - the filters used by the DAC, not the oversampling process itself.

Tom

Totally agree.
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  #17  
Old 01-17-2020, 06:39 PM
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8Fs is my preference
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  #18  
Old 01-17-2020, 06:39 PM
SCAudiophile SCAudiophile is offline
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Quote:
Originally Posted by W9TR View Post
Upsampling + interpolation doesn't increase the true resolution of the source. It does interpolate between the source data points and adds extra calculated samples. If the over sampling rate is an integer multiple of the source frequency the math is very straight forward.

The biggest impact is it moves the alias frequencies far outside the audio band, allowing for simpler digital and analog reconstruction filters.

I think that is what we hear when we over sample - the filters used by the DAC, not the oversampling process itself.

Tom
Great post!
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  #19  
Old 01-17-2020, 07:42 PM
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Weirdcuba Weirdcuba is offline
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Uhhh, isn’t it really just the shiniest thing that sounds the best?
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  #20  
Old 01-17-2020, 08:12 PM
SCAudiophile SCAudiophile is offline
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Quote:
Originally Posted by Weirdcuba View Post
Uhhh, isn’t it really just the shiniest thing that sounds the best?
Like shiny TAD R1 Mk2s for example [emoji16][emoji3][emoji38]
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