Word clock diy full#

I don't care of the recovered frequency output.įeed it to the FIFO buffer. The SPDIF receiver just locks itself on the incoming signal frequency. In->Wolfson SPDIF receiver -> buffer - oversampling -> FIR ->Wolfson WM8740 DAC->buffer- filter->out Let's start with these questions, when I'll have solved them I'll go to the next ones What is exactly the frequency given by the word clock? Because it's not the word clock that I need now - it's the bit clock, that depends on the resolution and the oversampling (and of course the sample rate). Let's clock the Oversampling and the DAC to the word clock. I fear of clocking it directly with the word clock, but maybe I'm wrong? Let's use a PLL on the receiver, as I don't want it to add it's own jitter: it should then clock data out at the same rate as the data comes in. In->Receiver->oversampling->FIR->DAC->IV->filter->out. I read many topics on transport, I think I'll go with Toslink as jitter on optical links are the easiest to get rid of. So why not buy a good quality word clock and stop using seperate clocks? This is probably the way to the lowest jitter, and keeping prices down - a clock in each element is expensive, if we don't need them, just don't buy them. My idea is that we are in the professinal field. We have to build a good quality clock inside each element we will use (ie inside the DAC, ADC, and interface). This is quite complex because we try to cancel the jitter. In->Receiver->ASRC->oversampling->FIR ->DAC->IV->analog filter -> out A DAC could be designed to try to solve this problem, using the well-known topology: One of the main problems with digital audio is the jitter of the clock.

My goal is to make a professional system, not an audiophile system. But I still lack knowledge, and I have some questions to ask to you.

Word clock diy full#

I plan to design a full digital audio system, from ADC to DAC. I'm a student in sound engineering, and prior was a student in electronics and industrial IT. Diy professional DAC & questions on word clock