Apple LOGIC EXPRESS 7.2.1 Manuel d'utilisateur télécharger pdf (Page 62)

3 Universal Control and VSL

3 .8 Smaar t System Check Wizards (StudioLive 16.4.2 and 24.4.2 only)

StudioLive

™

Software Library

Reference Manual

Spotting the Trend: Real World Example

Let’s take a look at the following frequency response trace. In this

example we can see a few peaks that don’t go along with our

application, for our purposes, let’s make that a music concert.

Our goal is to get from this:

to this:

…all the while keeping in mind that we cannot alter the speaker’s

frequency-response curve, even if we would like to.

Looking at our trace, it’s easy to spot a few problem areas. There’s a

bump at 300 Hz that could be smoothed out a bit. Another bump

at 750 Hz could stand some ﬂattening, and a big rise at 1 kHz to

10 kHz is going to make our system shrill at higher volumes.

What about all the other bumps and dips? Remember: The frequency-response

trace is not a video game. You don’t need to put a ﬁlter on every bump or dip

in your trace when a few carefully placed ﬁlters will achieve a much better

result. This is also why the wizard overlays the trace on your parametric EQ.

Subs

2 to 4 kHz

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 149 150

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Apple LOGIC EXPRESS 7.2.1 Manuel d'utilisateur Page 62