26 Feb
2006
26 Feb
'06
7:05 p.m.
On Sun, 2006-02-26 at 14:49 -0800, Kevin Cosgrove wrote:
On 26 February 2006 at 20:50, Dan Mills
<dmills(a)spamblock.demon.co.uk> wrote:
Heh, maybe active noise suppression (where you measure the noise in
realtime and suppress it by generating the inverse waveform) is the way
to go - has anyone tried this approach for silencing a PC?
Lee
Surely -INF dB SPL?
Negative dB would imply that the unit absorbs sound. Do you think it
does that? 0dB indicates it neither creates nor absorbs sound.