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Posts by wakibaki

Very nice, NuClear235. How are you charging the batteries? w
Doesn't that mean that the outputs are updated out of phase by 50% of lrclk? I think you can just cascade the shift registers, get rid of the XORs and run the update of both left and right direct off lrclk. It's just a question of which is left and which is right, top or bottom. You might have to invert lrclk.One of the things I'd build into an experimental prototype is the capacity to control the output pulse width. The chip has tristates, you could drive them using a...
Try Ball and Chain, Big Brother and the Holding Company. w
Way to go, ab initio. w
No. The signal-to-noise ratio is a feature of what is going into the 'phones. Sensitive 'phones play the noise loud, but the signal louder. Insensitive phones play the signal quiet, but the noise even quieter. The sensitivity of the 'phones has no impact whatsoever on the actual or perceived SNR.w
Absolutely not. I play a number of instruments. I've had access to perfect sound all my life. It hasn't made my ears 'snobby'. Most people are familiar with the sound of live instruments or singing. You ask the oddest questions.w
OK, thanks. I had no idea that I2S has that wasted bit, and I thought it was 24-bit. Actually I thought it was capable of running with only 16 bits when that was all that was being used. w 1000 posts!
Could you explain the operation of the circuit please Avro_Arrow? What is the format of the data? I'm kind of expecting 16 bits*2, which, yes would give 4 shift registers, but they would be paired into 16-bit outputs, each with it's own resistor network. Stereo DAC. Fred
The earpads. I couldn't find them in my purchase history. I think these are identical:-http://www.ebay.co.uk/myb/SavedSellers?ssPageName=STRK:ME:LNLK:MEFSX&_trksid=p3984.m2034.l3390 They look like what I remember, lots of detail in the advert, which is why I went with them. Pleather might give a better seal, but that's just a detail. I do have some stainless steel wire gauze, but I've got the PCB stators cut already, I don't want to get sidetracked into experimenting...
I'm sorry, ab initio, the dB does indeed inspire considerable confusion, but your explanation has not improved matters, and it's completely wrong in places. dBA has nothing to do with amplitude, the A means 'A-weighted', and is based on the 40-phon Fletcher–Munson equal-loudness contour. The measurement is integrated across the audio band, with different frequencies contributing greater or lesser amounts to the total depending on the sensitivity of the human ear at those...
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