A question for you digital aficionados.
I have been playing around with a Up2Stream board, I note that the supplier offers an optional DAC expansion board (ESS9023) which allegedly improves the sound quality.
Having an old DAC laying around (HIFIDIY 8*TDA1543) I am wondering if it’s possible to bypass the SPDIF receiver chip and connect I2S directly to the DAC, or is something more required?
I have been playing around with a Up2Stream board, I note that the supplier offers an optional DAC expansion board (ESS9023) which allegedly improves the sound quality.
Having an old DAC laying around (HIFIDIY 8*TDA1543) I am wondering if it’s possible to bypass the SPDIF receiver chip and connect I2S directly to the DAC, or is something more required?
I2S is sometimes used to refer to hardware bus. Other times it refers to a particular data timing format for PCM. Looks like TDA1543 is does not use I2S data timing format. However, the DAC you have may have logic on the board that does a conversion from I2S to whatever format the 8*TDA1543 need.
There are also oddballs like me who insist on not using it as a catchall term for any serial audio interface format or hardware bus.
Assuming when the manufacturer uses the term I2S it means something that conforms to the I2S spec , you are in luck. The TDA1543 also conforms to the I2S spec. Some buffering concerns aside, it will connect directly to the TDA1543.
Well that’s positive news, good.
I dug out the old schematic of the DAC and I see that the DAC pins 1, 2 & 3 are BCK, WS & DATA, yet the I2S is DATA, BCLK & LRCK, Could you please assist with connection configuration?
(in case you care about the meaning :
BCK or BCLK stands for "Bit Clock";
WS stands for "Word Select", which is sometimes designated as "Left/Right Clock", so LRCK...)
BCK or BCLK stands for "Bit Clock";
WS stands for "Word Select", which is sometimes designated as "Left/Right Clock", so LRCK...)
Might as well go the whole hog. Word Select is a Philips/NXP I2S term and is, technically, the opposite of LRCK
Hi, yes well no issues with the I2S, that worked fine, but I did find that I had some distortion on the RH channel which I haven’t had the time (or inclination) at the moment to try and fault find.
Cheers