Re: NEWSFLASH! Linux ported to Commodore VIC-20!!
H. Peter Anvin (hpa@transmeta.com)
Tue, 15 Sep 1998 01:31:47 -0700 (PDT)
> Yes, it's about the double. For signal power you need the square of the
> amplitude. For 1 bit you have:
>
> 10*log10(2^2) = 20*log10(2) = 6.02 dB
>
> Since 16 bit CDDA is signed, the SNR is 20*log10(2^15) = 90.31 dB.
The signedness doesn't matter, it's just a DC offset. I think you
need to do 20*log10(2^16).
-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/