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MT-017: Oversampling Interpolating DACs - Analog Devices
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.
MT-017: Oversampling Interpolating DACs - Analog …
https://www.analog.com/media/en/training-seminars/tutorials/MT-017.pdf
The concept of oversampling and interpolation can be used in a similar manner with a reconstruction DAC. For instance, oversampling is common in digital audio CD players, where the basic update rate of the data from the CD is 44.1 kSPS. Early CD players used traditional binary DACs and inserted "zeros" into the parallel data, thereby increasing the
Upsampling vs. Oversampling for Digital Audio | Audioholics
https://www.audioholics.com/audio-technologies/upsampling-vs-oversampling-for-digital-audio
A higher oversampling will allow for a more linear phase response over the audio spectrum for a given analog filter structure. The DACs oversampling to a higher rate allows for a reasonable analog filter design that gives us linear phase. The key point is that the oversampling in the DAC and the oversampling in the ADC are both important parts ...
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.
Upsampling, Oversampling, and DACs, oh my!
https://hydrogenaud.io/index.php?topic=101971.0
The oversampling technique allows for the use of a lower resolution DAC internally. A simple 1-bit DAC is often chosen because the oversampled result is inherently linear. The DAC is driven with a pulse-density modulated signal, created with the use of a low-pass filter, step nonlinearity (the actual 1-bit DAC), and negative feedback loop, in a ...
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