Model D-3 Automatic Mixing Controller
The Model D-3 Automatic Mixing Controller helps professional audio mixers handle multiple live mics without having to continually ride their individual faders. The eight-channel Processor patches into the digital insert points of a digital audio mixing console. The Model D-3 detects which mics are receiving input and makes fast, transparent cross-fades, freeing the mixer to focus on balance and sound quality instead of being chained to the faders. The D-3's voice-controlled crossfades track unscripted dialogue perfectly, eliminating cuing mistakes and late fade-ups while avoiding the choppy and distracting effects common to noise gates. The Model D-3 incorporates three Dugan-patented technologies:
Multiple ApplicationsThe Model D-3 supports a broad spectrum of live mixing applications, including:
User-Oriented FeaturesThe Model D-3 dramatically improves the performance of live mixing with multiple mics:
How it Works
Dugan Speech System in actionThe Dugan Speech System automatically manages any number of live mikes in an unpredictable dialogue situation. The above illustration shows the Speech System in action, offering four snapshots of a three mike system under different conditions of stimulation. For instance, in the first frame no one is speaking, so the inputs are riding at a medium gain, adding up to the gain of one mike. In the second frame, one person is speaking. You'll notice that the gain automatically turns up full, while the other inputs are turned down. In the third frame, another person speaks and the gain automatically shifts to that input, while the other inputs are turned down. And in the fourth frame, when two people speak simultaneously, the gain is automatically shared between them, while the third is turned down.
Dugan Music System in actionIn the Dugan Music System, each channel has an expander gate with an automatically varying threshold. The gate thresholds follow the sound level picked up by an ambient sensing mike.
Dugan Gain Limiting SystemThe Dugan Gain Limiting System is used with the Music System to prevent feedback or noise build-up when several mikes are in use. It doesn't just count how many mikes are on, it continuously monitors the total gain of the system and reduces all inputs smoothly . You decide, by setting the gain limit, how many mikes can come on before gain reduction begins.
A Tool for Both Practical and Artistic Applications
Control panel of the Model D-3, Input 8 and Master SectionsIn addition to the patented functions described above, the "last hold" function provides continuous ambience when desired with the Music System. The "auto mix depth" controls, used with the Music System, set the amount of automatic attenuation for each control group. When the momentary "override" button is pressed, the system fades rapidly to the combination of inputs selected by the override preset switches on each channel. The Model D's "preset" button shifts the system smoothly to a combination of manual, automatic, and mute modes for the channels as programmed on the preset switches. This combination also comes up when power is turned on. A momentary "mute" button allows smoothly dumping all channels without disturbing other settings.
Model D-3 processor front panelThe processor's front panel includes the power switch, a lock light that indicates digital audio synch, and a window with a keyboard for setting overall system parameters like master/slave mode and the digital audio sync source..
Model D-3 processor back panelThe Model D-3 has four stereo AES inputs and outputs, along with music system threshold inputs for the three control groups. Digital processing can be synched to an internal oscillator, any AES input pair, the DARS (AES black) input, or the word clock input. The LOGIC connector provides easy wiring of remote controls for remote channel muting, and outputs for camera control. Multiple units can be daisy-chained using the ADAT Optical Link connectors. The RS-232 Host connector allows a PC to control all functions and receive all displays. The 10BASE-T connector establishes a DHCP client and accepts commands from a Telnet terminal. Quality You Can Count OnThe Model D-2's circuitry is made in the U.S.A., and is modular for easy servicing. The unit is designed to meet applicable national safety standards. A hard-wire bypass relay in each channel patches all channels through when power is off. For more information about the Model D-3, or to place an order, contact Dan Dugan Sound Design at (415) 821-9776 voice; (415) 826-7699 fax. SpecificationsControl PanelThe same control panel is used with both the Model D-2 and the Model D-3. Connectors: Two 5-pin XLR for combined control and power cable. Cable may be connected to either the left side of the control panel or the back. ProcessorAudio I/O: Eight AES/EBU digital inputs on four female XLR connectors. Eight AES/EBU digital outputs on four male XLR connectors.
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