In Reply to: RE: It's 1990 all over again posted by Audio Pharaoh on May 13, 2011 at 02:47:45:
The big Japanese manufacturers required all DAC chip makers to include "zero detection flag" pins. If there is no music, then the mute relays (or transistors usually, as they are cheaper) are activated.
So between tracks or before the music starts, the output of the player is literally a dead short, which also reduces the noise generated by the electronics in your preamp (or power amp if you are connected directly).
Then the music starts, the shorting relays (or transistors) open up and WOW! Music emerges from a dead silence.
Also very handy for inflating the signal-to-noise ratios. You just cheat, that's all.
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Follow Ups
- Old Japanese trick. - Charles Hansen 05/13/1109:42:01 05/13/11 (0)