Sound Performance Lab 9632 manual Control Elements, Active, Desired Gain

Control Elements

6 5 8 1 7

2 3 4 9

Active

Relay hard-bypass for AES/EBU input and output

Desired Gain

Adjusting the desired increase in loudness

1 The ACTIVE function switches the Loudness Maximizer on or off. The illuminated LED indicates that the processing has been activated.

The software bypass also compensates for the 5ms time delay between processed and unprocessed signal.

The AES/EBU input and output are equipped with relay-hard- bypass. In the event of a power failure the Loudness Maximizer is automatically switched to hard-bypass (power failure safety) without interrupting the data flow.

2 DESIRED GAIN adjusts the desired loudness increase in dB. Adjustable values range from 0dB to +15dB. The value is shown in the LC-display (see 6).

The Loudness Maximizer tries to increase the energy of the signal or the effective loudness, respectively, by the value entered. The DESIRED GAIN encoder is directly coupled with the Possible LED bar (see 7), which gives you an initial indication on the setting of the DESIRED GAIN encoder. The loudness increase cannot be displayed in standard level or peak meters.The Possible LED bar is especially designed to show the possible increase in subjective loudness. Even normalized audio files can effectively be increased in loudness without sound manipulation. Additionally the Done LED bar shows how much of the adjusted DESIRED GAIN have actually been achieved.

Setting: To get a good starting position for the signal analysis a loud part of the signal should be played. Watch the Possible LED bar. For example: If it shows +3dB adjust 3dB with the DESIRED GAIN encoder. The Possible LED bar now shows 0dB. An initial loudness optimization without any sound manipulation is now already complete.

8 L o u d n e s s M a x i m i z e r