Through the use of MultiBand techniques along with new proprietary circuits, the audibility of limiting action has been greatly reduced, especially when compared to conventional limiters. This means that greater limiting depth is possible, resulting in higher loudness with maintained audio quality. At virtually any limiting depth, the Dominator II is free of "hole punching", "dullness", and most other effects normally associated with limiters. As a peak overshoot protection limiter, the Dominator II is undetectable in line while it absolutely prevents peak levels from exceeding a user settable output level. In addition, the desired limiting effects of greater audio density and increased "punch are readily available with the Dominator II.The Model 722, for broadcast use, has the Pre and De-emphasis circuitry, while the Model 720 Does not.
A very significant problem with wideband processing is "spectral gain intermodulation" which occurs when one part of the spectrum controls the level of another part. A typical situation is a vocalist being "sucked down" every time the kick drum hits.
Since most energy is contained in the lower frequencies, they tend to control the level of the entire spectrum. When the lower frequencies are above the limit threshold the higher frequencies are attenuated thus causing the output to be dull.
MultiBand processing solves these problems by splitting the audio into two or more frequency bands and processing each band separately. However, more bands often result in many more parameters to control including a method of summing the bands together again. While giving the user flexibility, it also requires different settings for almost every different source.
The Dominator II uses program dependent, intelligent circuits to reduce the number of controls. The user, therefore, has flexibility to shape the sound while quickly and easily achieving the goal of consistent, effective limiting.
Peak Ceiling Trimmable in 0.2dB Steps Over a 34dB Range
3 Bands of Limiting with Switchable Crossover Frequencies
Patented Automatic Limit Threshold (ALT) Circuitry
Freedom from Pumping
Freedom from Spectral Gain Intermodulation
Adjustable Density (Relative Crest Height)
Calibrated Detented Potentiometers
104dB Dynamic Range
LF and HF EQ Provides Shaping Equalization Below Peak Ceiling
Relay Bypass, Remote Controllable
Servo-Balanced Transformerless Inputs and Outputs
Sound Contracting -- protection of amplifiers and speakers from overload; increased loudness; maximized use of available power.
Recording -- preventing sudden peak overload of mixer or recorder; tightening tracks; special effects, etc.
Mixing -- used as a program limiter, the Dominator II will keep a track "rock steady" for "layering" into or on top of a mix.
Digital Sampling -- obtaining good full scale samples free from peak overload, i.e. no more missed samples.
Digital Recording -- insuring clean recording by stopping clipping of peaks and overshoots. Maximizes bit usage for less distortion.
Satellite Uplink -- Modulation control to prevent splattering on high frequency audio, gives reduced distortion, better signal-to- noise.
Broadcasting -- AM and FM modulation control for increased loudness; cleaner sound; use in production for greater consistency of tapes, punchier voice-overs.
Location Film Shoots -- anti-crash for dialog and sound effects recording.
Post Production -- Soundtrack peak control; managing difficult dialog; controlling transient sound effects.
Optical Recording and Transfer -- prevents "valve clash", gives higher average level with low distortion and better signal-to- noise performance.
Analog Disk Mastering -- peak control for high allowable average cutting levels; less limiter degradation to the program; brighter, punchier sound.
C/D Mastering -- peak and density control for more accurate digitizing, cleaner sound requiring less error correction on playback; no limiter induced sound degradation.
STL & Phone Line Driver -- maximize signal-to-noise without overload distortion.
Video and Audio Tape Duplication -- "Hotter" transfers without saturation.