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MT-017: Oversampling Interpolating DACs
https://www.analog.com/media/en/training-seminars/tutorials/MT-017.pdf#:~:text=Oversampling%20and%20digital%20filtering%20eases%20the%20requirements%20on,and%20has%20become%20popular%20in%20modern%20CD%20players.
What is "Oversampling"?
https://www.sweetwater.com/insync/oversampling/
The data stored on a standard Red Book audio CD is 16-bits, at 44.1 kHz. While oversampling might result in a better A/D conversion when making the CD master, and an oversampling CD player might result in better D/A playback, this is a function of the converters, not the data on the CD. Digitally “cloning” that CD will produce an exact bit-for-bit copy.
Upsampling or Oversampling? | Stereophile.com
https://www.stereophile.com/asweseeit/344/index.html
In the years since then, the audio industry has settled on an 8x-oversampling ratio, the 44.1kHz CD data being converted to a 352.8kHz datastream before D/A conversion by such popular chips as the Pacific Microsonics PMD-100. Companies like Theta, Wadia, and Krell have used proprietary filter algorithms, but these, too, oversampled the data.
How did oversampling come about?
https://dindiki.com/?oversampling
At 8x oversampling and 20 bits, this error rate would be 1.35psec. mean. This sounds good at first, but can not be achieved by an analogue converter, as this takes longer to reset its timing by means of PPL. As a result, with an average jitter environment, oversampling even decreases accuracy within the work environment.
why is oversampling in CD players considered bad? | diyAudio
https://www.diyaudio.com/community/threads/why-is-oversampling-in-cd-players-considered-bad.66629/
Generally oversampling is just a FIR (finite impulse response) digital filter used to filter out the sharp clock edges after the sampling frequency is boosted, in hte digital domain. To make the reconstruction analog filter after the DAC chip easier to …
Upsampling vs. Oversampling for Digital Audio | Audioholics
https://www.audioholics.com/audio-technologies/upsampling-vs-oversampling-for-digital-audio
The key point is that the oversampling in the DAC and the oversampling in the ADC are both important parts of the processing that have been used for a very long time. Upsampling would give us the same benefits in frequency response that we have gone over, however we can achieve the same effects by sufficiently oversampling our signal both at the DAC and ADC.
CD Upsampling - what's the concensus? | Steve Hoffman ...
https://forums.stevehoffman.tv/threads/cd-upsampling-whats-the-concensus.112560/
Oversampling in the context of the D-A process involves multiplying the sampling frequency by a whole number, typically between 4 and 32, or even higher. For example, in ‘8x oversampling’, CD’s base rate of 4.4.1kHz is raised to 352.8kHz by introducing seven new ‘empty’ samples between the original data samples.
Best Audiophile CD Player 2022 (Top HiFi & High End …
https://soundproofgeek.com/best-audiophile-cd-player-hifi-high-end/
128-times Oversampling; Cons. ... of the top Hifi and high end CD players, we found the best Audiophile CD Player in 2022 is the Yamaha CD-S1000 Super Audio CD Player. The honorable second place a.k.a. the best CD player for audiophiles under $2000 is …
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