Cinema Dsp
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Plz help with a Yamaha RX-V659 reciever?
i have 2 questions
fist is, what is the difference between a coaxial digital plug and an optical connection, which one is better.
my second question is I have a ps3 (full 7.1) and it uses a optical, or coaxial connection. I already have my ps3 hooked up to the receiver, but the input it is connected to is the CD input, i noticed some things when i am using the ps3 such as the little lights on the front of the reciever that say thing like, Dolby Digital, or Cinema DSP are not turned on. These light are on for the DVD player, which also uses optical
I was wondering if the sound quality is reduced or changed in any way if it is connected to the CD input vs. a DVD or cable box input.
the reason i am asking this instead of just doing it is because it is a huge pain to turn around the receiver and change plugs and i will only do it if i really need to... and the manual is very unhelpful
There's not much difference between coaxial digital and optical digital - they send the same signals to the receiver. However, when you have an optical connection, it will not be affected by electrical interference (like 60-cycle hum), and it electrically isolates the receiver from the PS3, which can be handy if the house's wiring isn't very good. But the thing is, digital signals are very tolerant of interference too, so unless it's very extreme interference, it won't effect much, so either co-ax or optical will work well.
As far as the Cinema DSP, you are going to need one of two things for surround sound - either a digital connection, or a set of wires for each channel. The CD input is onle one channel set, so you can't get surround sound through just that (the DSP stands for Digital Signal Processing anyway, so if you don't have digital, that light isn't going to come on no matter what).
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