07-27-2023, 08:52 PM
(07-27-2023, 07:45 PM)michaelagiles Wrote:(07-27-2023, 03:26 PM)hifinet Wrote: It seems that the Q7 requires a 3.3V supply (from PurePi), whereas the Ma can share the RPi power supply. Ma does not have an isolator like the Q7.
Yes this pwr sup capability is 1 of the attractions - as well as the price.
It sounds from Tim's response that the ProtoDac driver does NOT include a linux driver. But I am still not sure.
Yes I would also go for the FifoPiQ7 but it is 2 X the price!
Thanks!
MG
The i2s-dac driver overlay used for the PtotoDAC that I mentioned earlier is a driver included with Linux along with all the other I2S DAC drivers.
Note the ProtoDAC like other slave mode DAC's for example Mamboberry LS, HifiBerry DAC etc won't work with master mode drivers that are required for master mode DAC's like Allo Boss and HifiBerry DAC+Pro.
Another advantage of the Q7 is that it's popular with other DIY audio enthusiasts who can provide help if for example you want to experiment with swapping the clocks.
My advice is to splurge a little and you will end up with an audio device that for a few hundred dollars will prolly best most OEM devices costing thousands plus you can modify and experiment with your device unlike OEM devices where you are effectively stuck with the hardware and software inside the sealed box whether you like it or not.
