Re: Equipment Testing Goals Methods

["Dan Dugan" dandugan_1999]

>This is why pink noise is often preferred as a test signal when
>speakers and/or mics are involved. Any comb filter cancellations will
>tend to be in very specific octave related frequency ranges & not
>have a large effect on overall RMS level. Also, being broadband, pink
>noise is more relevant to real world sounds, including music.

The pink noise I prefer for level setting is band-limited, 200 Hz to
2 KHz. That avoids room effects on low frequencies and variations in
the high frequencies. Most surround sound systems use it to calibrate.

-Dan Dugan