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Upsampling, Oversampling, and DACs, oh my!
https://hydrogenaud.io/index.php?topic=101971.0#:~:text=Oversampling%20DACs%20or%20interpolating%20DACs%20such%20as%20the,chosen%20because%20the%20oversampled%20result%20is%20inherently%20linear.
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
A 17 bit oversampling D-A conversion ... - s-audio.systems
http://s-audio.systems/public/uploads/Articles/17bit_oversampling_dac.pdf
Here, Y is the output of the DAC, X is the input, Q is the quantization noise of the local quantizer, and k is the order of integration. When m is the oversampling ratio, q is the voltage of 1 LSB, ~, is the oversampling frequency, and n is the number of local quantizer output levels. The power of signal XP, the power of quantization noise QP,
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 ...
oversampling - May I write to a DAC chip slower than data ...
https://electronics.stackexchange.com/questions/602123/may-i-write-to-a-dac-chip-slower-than-data-is-sampled-at
The UDA1334 is an oversampling audio DAC. It has an internal oversampler by ratio of 64. Yes, the DAC output updates 64 times the rate of samples sent in. The problem is that it must be sent with a digital audio stream with 16 kHz rate at minimum, so it can't be used with a sampling rate below 16 kHz.
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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