Manual Transient Designer DUAL-CHANNEL, Model 9946 Dual-Channel Dynamic Effect Processor
Transient Designer Manual By Hermann Gier and Paul White Version 1.0 - 07/1999 The information in this document has been carefully verified and is assumed to be correct. However Sound Performance Lab (SPL) reserves the right to modify the product described in this manual at any time. Changes without notice. This document is the property of SPL and may not be copied or reproduced in any manner, in part or full without the authorisation of SPL.
Foreword ...................................................................................................... 3 Thanks ........................................................................................................... 3 Introduction ................................................................................................. 4 Operation Safety......................................................................................... 5 Connections ................................................
Introduction The Transient Designer introduces level-independent dynamic processing.
Packaged in a standard 19 " EIA format and occupying 1U (44,45 mm) of rack space, the Transient Designer can be installed in a standard rack, but it is recommended that the rear of the case be supported, especially in touring applications. The Transient Designer should not be installed near units which produce strong magnetic fields or extreme heat. Do not install the Transient Designer directly above or below power amplifiers or digital processors.
Tech Talk In nearly every aspect the Transient Designer is different from conventional Dynamic Processors or Compressors. You don't need to know how the Transient Designer works in order to be able to use it effectively, but if you're at all curious as to what goes on inside the box, read this section while referring to the diagrams.
Tech Talk Diagram 3 illustrates the shapes of the processed curves with maximum and minimum attack, compared to the original curve from Diagram 1 The SUSTAIN control circuitry The SUSTAIN control circuitry includes two further envelope generators. The envelope follower Env 3 (Diagram 4), again follows the shape of the original curve.
Tech Talk Diagram 6 illustrates the processed curves with maximum and minimum sustain compared to the original curve from Diagram 1 Prevent overload Important advice for connection to digital recording systems: Each unit connected to the Transient Designer should be able to handle high input levels. With maximum ATTACK values the instantaneous input level can increase by up to +15 dB.
Control elements 2 3 1 4 5 1 On The SIGNAL-LED indicates incoming signals with a level exceeding -40 dB. In complex studio arrangements the LED indication helps to check if a signal actually arrives at the Transient Designer. 2 Signal-LED With the ATTACK control, the attack period of a signal can be emphasised or attenuated by up to 15 dB. For detailed information about the mode of operation of the ATTACK control please read the section 'Tech Talk' on pages 6, 7 and 8.
Control elements Sustain 4 The SUSTAIN control increases or reduces the level of the sustain portion of a signal by up to 24 dB. For detailed information about the mode of operation of the sustain control please read the ”Tech Talk” section on pages 8 and 9. Two envelope generators work in the SUSTAIN control circuitry, too. Again an envelope follower pursues the original envelope and adapts optimally to the curve of sustain.
There are several ways to connect the Transient Designer to your equipment. One of the most flexible options is wiring the Transient Designer to a patchbay. A console with switchable insert points to prevent audio running through the patchbay when not required would be perfect. Applications Connections Alternatively, the Transient Designer may be connected directly to the channel or subgroup inserts.
Applications • Corresponding adaptively to the duration of the original signal, the sustain can be shortened more musically than with tightly adjusted release times, effectively reducing crosstalk. • When recording live drums or other instruments on a HD recording system, the Transient Designer prevents time-consuming removing of crosstalk signals on the hard disk. • It is possible to create unusual dynamic effects, including new and interesting pan effects.
• Effect sounds and sample libraries benefit from more punch and more power – useful when working on TV commercials or movie soundtracks. Applications • Outdoor recordings often suffer from poor microphone positioning. The Transient Designer can help create the effect of repositioning the mics during the mix. Movie Post Pro • However, like with any good thing, you have to know where not to use it.
Specifications Input & Output Input impedance .......................................... = 100 kOhms Output impedance ...................................... < 600 Ohms Max. input level .............................................. +24 dBu Max. output level .......................................... +22,4 dBu Minimum load ohms ................................... 600 Ohms Relay Hard Bypass, Power Fail Safety Measurements Frequency response ..................................... 20 Hz - 100 kHz ...
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Warranty SPL electronics GmbH (hereafter called SPL) products are warranted only inthe country where purchased, through the authorised SPL distributor in that country, against defects in material or workmanship. The specific period of this limited warranty shall be that which is described to the original retail purchaser by the authorised SPL dealer or distributor at the time of purchase.
