Bedienungsanleitung Midas M32 (Seite 22 von 61) (Englisch)

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22 M32 DIGITAL CONSOLE User Manual

dyn

The dynamics tab displays all aspects of the channel compressor, and allows for

very deep control of the eect. Whereas the top panel’s dedicated compressor

section allows control of the threshold and in/out status, the dyn tab oers many

more controls. This tab can be accessed directly by pressing the VIEW button in

the top panel DYNAMICS section.

The dyn tab contains the following parameters that can be adjusted using

the six push encoders:

Page 1

1. Adjust the rst push encoder to set the input threshold of

thecompressor.

2. Tap the rst encoder to toggle the compressor in/out of the signal path.

3. Adjust the second encoder to set the ratio of the compressor.

4. Tap the second control to switch the channel dynamics eect between

compression and expansion.

5. Adjust the third encoder to set the attack time of the compressor eect.

6. Tap the third encoder to switch the compressor between Peak and RMS

(root mean squared) mode, where the average level of the signal is

evaluated more than any specic peak of the channel material.

• PEAK: A peak-sensing compressor responds to the instantaneous

level of the peak signal. While providing tighter peak control,

peak sensing might yield very quick changes in gain reduction,

moreevident compression, or sometimes even distortion.

Thismode is suitable for control/limiting of dynamic material.

• RMS: In this mode, the compressor applies an average function

on the input signal before its level is compared to the threshold.

Thisallows a more relaxed compression that also more closely

relates to our perception of loudness. Sharp dynamic transients

will be less aected in this mode. This mode is good for controlling

levels in amix.

7. Turn the fourth encoder to adjust the hold time of the compressor.

• Hold time is a parameter not often found on commercial units, but

is very useful. If a compressor is set to use a very fast attack/release

time, audible distortion can occur, because the compressor is trying

to work on individual waveform cycles of the signal instead of the

sound envelope as a whole. The Hold parameter works around this

issue by providing a short delay. This delay prevents the compressor

from releasing until a certain period of time has elapsed.

8. Tap the fourth encoder to switch between Linear and Logarithmic

modes for the compressor. Following are some brief descriptions of

those dierent modes:

LOG: This mode is used in many well-respected compressors and is the

natural result of more recent analogue units employing logarithmic

side chains and resistor/capacitor time constants. The exponential/

dB law has some interesting characteristics. Firstly the time taken to

complete a compression event tends to stay the same however large

the dynamic signal excursion is. Also, since the peak rate of gain change

increases with dynamic excursion, the resulting harmonic content due

to compress tends to follow the loudness of the signal in a way that

the ear expects. This helps to mask the eect of the compressor and

thus provides the most forgiving solution, being tolerant of diering

timing settings and signal material. This makes it the best choice

for general compression use and overall dynamic control of complex

musicalsignals.

LINEAR: In this mode, the rate if gain change is constant (as set by the

timing controls). Therefore the greater the signal dynamic excursion,

the longer the compressor will take to complete a gain change.

Also,since the total time that the compressor spends in attack or decay

is proportional to the size of the gain excursion, the harmonic content

of the compression artefact will seem to reduce in frequency content,

the louder the signal excursion. This type of compressor is useful for

generating dynamic sound eects because the sonic character of the

compressor is much more aected by time control settings and signal

material than the exponential type.

9. Adjust the fth encoder to set the release time of the compressor.

10. Adjust the sixth encoder to set the makeup gain of the compressor;

useful when the compression eect has reduced the overall signal level

of the channel too much.

Page 2

1. Push encoders 1 & 2 function the same on pages 1 & 2.

2. Adjust the third encoder to set the steepness of the compressor knee

angle between ve separate settings. Adjust this control to switch

between a harder sounding, or more transparent compressor eect.

3. Tap the third encoder to move the compressor eect before or after the

EQ in the channel signal path.

4. Adjust the fourth encoder to set the frequency of the key lter that can

be used to trigger the compressor.

5. Tap the fourth encoder to toggle the key lter on/o, allowing a specic

frequency to control the compressor.

6. Adjust the fth encoder to set the steepness of the EQ slope used in

thecompressor.

7. Tap the fth encoder to send the key source to the solo bus, allowing

the key source to be monitored and evaluated.

8. Adjust the sixth encoder to select the specic key source to be used,

Choices include ‘Self’ (the channel’s own signal), as well as any other

input/output of the console.

9. Tap the sixth encoder to assign the selected key source to

thecompressor.

Midas M32 Seite 22

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