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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: nice info! Different & carbon blanks, Yamaha Master mode burner posted by Johann F on January 14, 2003 at 08:13:33:
From what i heard, i cannot confirm that Audio Master Mode sounds worse than standard one, for the two of us who listened it was clearly better.Which reviewer found the sound worse?
I agree that with a 'normal' audio burner (Philips CD 775 in my case) *to my ears* the 1x speed sounds better than double speed.
And i agree therefore that *burning* or *ripping* faster most probably sounds worse *all things beeing equal*. But then, CD replay is so much slower than the obtainable maximum that i doubt such increased speed is a real 'problem'.
I suspect that one cannot extrapolate from results with higher *and* varying rotational speed that higher, but constant rotating speed of a CD will affect the sound the same way.
I assume, that with constant angular velocity (CAV or constant rotating speed) the pit structures are physically bigger as you say, but only on the outer parts. They must change length slowly throughout the disc, and probably start not too far from 'normal' on the inner.
To get a (hopefully ;-) clearer picture, you might do a search for the technical arguments on the Yamaha website.In principle the 'normal' way of burning makes sense: 'Granularity' of the material, minimal radii of pit structures during pressing, dust particles all are somehow absolute dimensions, and selecting pit structure dimensions in relation to the disturbances makes a lot of sense.
But the mechanical side of tracking a laser head within a constantly current pulsing, and mechanically pulsing environment creates another disturbance mechanism, which we don't know how it's effect is.
Spinning a disc at constant angular speed is IMO such a 'whacko' idea for a digital device, that it most probably cannot survive without a real sonic advantage, and probably never would have been developped to a product. It sounds not like a gag gadget. Yamaha claims considerably (whatever this means!) reduced jitter values.Experimenting with the laser sleigh, transport and laser assembly cover of CD players, i can only say that all mechanical aspects are surprisingly audible.
If this all sounds very weirdly similar to LPs, then be it.
Welcome digits, back to planet analogue... let's party with black vinyle CDs!
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Follow Ups
- welcome digits, back to planet analogue! - Arbelos 15:06:44 01/14/03 (0)
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