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I was looking at Crutchfield.com and they say:

CD Signal-to-Noise

A measure of how well the CD player silences background noise. Higher ratings, in decibels (dB), indicate less noise.

So obviously a cd player with a 105db SN is better than a 95db SN But how much better? Probably not enough to notice right or wrong?

But what about mp3's that are burned on a cd? Do they still go by whatever the Signal to Noise is for the Audio CD? Or is that different? Or say mp3's that are playing from a memory card or aux input.

Just curious thanks in advance.

 
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anyone??

 
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3dB= twice as loud

so 10 dB= roughly 8 times as loud background noise. in theory.

it's an overrated statistic on decks, don't worry about it too much.

i'm confused about your other question. the quality of the recording has more of an effect than any deck will. 160kbps is fine, maybe even 128 for mp3s. the media type doesn't matter (mem stick, cd).

the music will have a signal to noise ratio, how much louder the music is above the noise (again, remember the 3dB difference= twice as loud). the deck acts as an amplifier, amplifying everything on the CD (including noise) at a certain rate (SN ratio). it also introduces noise of it's own at a very low rate. this noise doesn't get amplified by anything else (unless you use another amp to power your speakers, like with components). so what matters more, the noise on the CD, that gets amplified, or the deck noise? the CD noise, obviously, will be hundreds of times more. so the deck really is an insignificant part of noise.

hope this makes sense.

 
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i know i have read about it before, but i can't honestly remember much about it, but here is what i do remember.
for the most part, there isn't a difference, or atleast an audible difference between lets say 95db and 105db. all your system components together create a SnR ratio, so a headunit that has 105db SnR ration means nothing if you dont have an amp with the same or better SnR rating.
for instance, you have a deck that has an SnR of 105db, but your amp has a 90db SnR rating, because of this, your overall SnR is 90db, since your amp is now processing the signal and sending it to the speaker(s).
i really dont know what i'm trying to say here, but i'm done saying it

 
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Thanks alot for your reponses. It does help answer my question. The HU in question actually doesnt have a amp built in so I have to have external amp to power the speakers but the deck has a rating of 95db the amp I want is the memphis 16-MC3004 I couldnt find the SNR on it though.

Thanks

 
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its not going to translate into a hell of alot when it comes to the bottom line. as long as the radio has the features you want, loks liek you want, and is in yoru pricerange, thats really whats big.

and for our cars, whether you can see ii in the day

 
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lmao if he's still got the 18% window tint his profile says, he'll be fine.

 
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hehe Yeap I still got the 18% tint.