![]() ![]() The SPDIF is then probably routed to an unused pin on the IPod connector such as 14 or 17 providing they are connected to an IC pin that can support this. ![]() ![]() There is a company called Wadia, but from what I see they actually modify (I’d rather not use the word hack if you don’t mind thank you very much) the code on the iPod to output the SPDIF signal. Oh and that would blow all your chances of tapping into a SPDIF signal out of the water in one shot- I know that’s what I’d do! Indeed in the future there will probably just be one large ASIC that handles everything from HD control to the LCD, backlight LED’s and cap-sense wheel. ![]() Best of all its cheap and as we know it sounds crap anyway! Why not- if it can do a couple of MHz for video then audio’s just slower. economy of scale- as they make millions of iPods there’s probably a custom IC they had made which goes in all iPods and though cost millions to develop works out cheaper in the long run They may even use the same chip to do the audio and video. Regarding the DAC itself it’s (likely) to be a MP3 to dual channel analogue converter- I would think it highly unlikely that Apple would use two chips one to convert from the raw data taken from the Hard Disk to SPDIF then another to convert SPIDF to analogue when they could get a DSP to do the whole thing. Hence you need to physically (and without Apples authorisation I may add) modify the iPod to get any kind of SPDIF output (as Wadia do- read on). Sure, you could record the iPods analogue output but that’s not a perfect copy and thus satisfies the legal bit. I reckon if you dig lightly you will find some legal artist protection clause Apple has relating to this. Putting an SPDIF output on would mean your mate could sample the audio and get a perfect copy from your iPod. From all the pin-outs I have seen there doesn’t appear to be an SPDIF output on the iPod.Īpple seems very keen to stop you using the iPod as a means for you to transfer music to your mates. ![]()
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