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HD Upsampled…An Audio Oxymoron – Real HD-Audio
https://www.realhd-audio.com/?p=1244#:~:text=Upsampling%20is%20a%20process%20by%20which%20a%20lower,to%20produce%20a%2096%20kHz%2F24-bit%20%E2%80%9CHD%20Upsampled%E2%80%9D%20file.
What is the point of upsampling? | Audio Science Review ...
https://www.audiosciencereview.com/forum/index.php?threads/what-is-the-point-of-upsampling.7329/
The point of upsampling is to move the reconstruction/anti-aliasing filter well above audible frequencies, where it can be more gentle and not affect the audible spectrum. A high-quality filter at 22khz is hard to make in hardware without distorting phase and without cutting into frequencies below 20khz.
Theory of Upsampled Digital Audio - MLSSA
http://www.mlssa.com/pdf/Upsampling-theory-rev-2.pdf
upsampling digital filters is indeed responsible for the improved sound quality but that the mechanism has nothing to do with time smearing or the lack of it in the playback system. In common usage, oversampling is the process by which the sampling rate of a digital audio pulse code modulated (PCM) data stream is increased to allow digital filtering to
Upsampling or Oversampling? | Stereophile.com
https://www.stereophile.com/asweseeit/344/index.html
It is important to remember three things about all of these products: 1) other than making active the lowest 8 bits of a 24-bit word, no new audio information is created by any of these products; 2) as susceptibility to word-clock jitter increases with sampling frequency, it is always possible that upsampling audio data can make things worse, not better; and 3) no …
Does upsampling effect audio? | Steve Hoffman Music …
https://forums.stevehoffman.tv/threads/does-upsampling-effect-audio.419659/
This is different to integer upsampling, where zero-values are inserted between the existing samples, and an interpolating filter determines their new value. In this case, you always have the original sample values. Does it affect sound quality? That depends on the quality of the conversion algorithm and the precision used.
Why upsampling would degrade sound quality
https://hydrogenaud.io/index.php?topic=95563.0
Why upsampling would degrade sound quality ? Reply #4 – 2012-06-16 17:45:50. Software resampling is a chance of using better-performing interpolation lowpass filters (good rejection at fs/2 already, better stopband rejection) at the expense of computing time and extra delay. The only risk I can see is intersample-overs turned into actual ...
Does Upsampling Improve Sound Quality? - Computer Audio ...
http://jplay.eu/forum/index.php?/topic/1429-does-upsampling-improve-sound-quality/
Posted 08 July 2014 - 07:05 AM. Hi, Yes it does, but only the Sampling frequency (Khz) and not the quantification, and yes you have to double or quad the original frequency, so 16bits/44.1khz can be upsampled to 88.2khz or 176.4khz. Keep in mind that will take CPU time, so if your computer is not fast enough, you will loose the benefit of the operation. higher the …
Upsample, upscale low-fi audio to improve quality -what ...
https://hydrogenaud.io/index.php?topic=101495.0
An audio editor will also allow you to enhance/process the audio with noise reduction, EQ, etc. Audacity is FREE!!! With audacity, you can change the sample rate on the main editing screen, and you can change the bit-depth when you export (save). TAudioConverter (also FREE) can convert between many different formats.
Upsampling - Music Servers - Audiophile Style
https://audiophilestyle.com/forums/topic/56678-upsampling/
I also guess that the benefit of upsampling is for DAC architectures that upsample everything inside the DAC before converting to analog. And it's only a benefit to upsample from your music server, if the music server is doing it more efficiently (i.e. the DAC having to do less upsampling work results in better overall sound quality).
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