ASHLY ne24.24M [11/28] Operating manual ne24 4m matrix processor

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Operating Manual - ne24.24M Matrix Processor

be crystal clear sound directly in front of any one loudspeaker can be unintelligible at the farther reaches of the venue with direct

line-of-sound to multiple loudspeaker sources.

The solution is to delay the audio signal to the loudspeakers located further away from the primary source, so that

sound comes out of the distant loudspeakers at the exact time that sound from the main loudspeakers arrives. Within the Protea

ne24.24M, up to 682 milliseconds of time delay are available on each input channel, allowing secondary loudspeakers to be

time aligned with the primary speakers up to 771 feet (235m) away. Set the TEMP text box to the current air temperature to get

the most accurate display of delay distance.

order high shelf, and all-pass.

Shelving EQ lters: 1st order lters use a gentle 6dB

per octave slope, while 2nd order lters use a 12dB per octave

slope for a more pronounced boost or cut. All shelving lters

have a boost/cut range of +/-15dB. Low shelving lters have a

frequency range from 20Hz through 2kHz, and the high shelv-

ing lters range from 3.886kHz through 20kHz. Shelving lters

are most useful as broad tone controls to boost or cut the high

end or low end of an audio signal’s frequency content. Because

they affect a wider spectrum of audio, they are not as suitable for

parametric EQ as a single graphic equalizer fader except that

the frequency is variable, not xed, and that the bandwidth, or

how “wide” the lter affects the frequency spectrum at the center

frequency, is completely variable. The smaller the bandwidth

(higher Q), the less the audio signal on either side

of the frequency center is boost or cut, whereas

a larger “wider” bandwidth (lower Q) produces

an audible change to the overall tone of a signal.

Parametric lters are best used to hunt down and

eliminate problem feedback frequencies, add or