The SOUND4 IMPACT incorporates a unique processing chain with innovative approach which is even described as revolutionary by its first users.
Everybody complain of loudness variation problems between old and new titles. In some cases, the auditor may even feel to switch radio during sequences of Golds and recent titles… This is a concern for many program managers, because a changing sound leads to a loss of identity, and the auditor does not recognize his radio...
With SOUND4 IMPACT you can just forget all these inconveniences, the 2-band AGC is based on the signal strength and no longer on the electrical average values, it automatically detects differences in loudness to smooth out variations in sound perception. Its 2-band structure ensures perfect stability, the vocals are enhanced while ensuring a good bass presence.
Another problem frequently observed in FM comes from variations in perceived levels of reception when the moving receiver switches from stereo to mono and vice versa. These changes affect the tone (loss of treble) but also the overall level of sound perception, so the sound "goes up and down" in addition to a “changing sound”...
The SOUND4 IMPACT incorporates an innovative process: mono and stereo parts of the signal are processed separately to obtain a perfect homogeneity in terms of both sound and level. Therefore in moving reception, when the FM receiver switches Stereo / Mono / Stereo, the sound variations and changes in level are reduced by over 90%! In the SOUND4IMPACT processing chain the stereo expander can then be used substantially without restraint.
A 3-band limitation section after the 6-band processing of dynamics: yet another different choice from all other products on the market. Why only 3 bands ? Just because the outputs of the limiter are added and then feed the final limiter. The facts are simple, the sum of signals on three bands induces less variation in levels than 6 bands. The final limiter job is then more stable and therefore less subject to distortion when the processor is used for very important loudness.
On the loudness side, the IMPACT is a real monster, it is able to compete with the biggest market products. The structure of the final limiter consists of 3 limiters: one for basses + one for FM + one for the MPX. This is guaranteed to reach the expectations of demanding managers programs.