This unique one-Hertz resolution enables the FBX2400 to control feedback with transparent filters that are ten times narrower than graphic equalizer filters, which can only muster 31 spots to place their very wide filters. It centers the filter exactly on the frequency that is feeding back. The FBX uses a more sophisticated solution. Many feedback controllers place their filters in the general vicinity of the feedback and then widen the filters until the feedback goes away. Now that we know feedback is happening, we need to target it precisely. Because feedback is low in harmonics, and music and speech are rich in harmonics, the FBX Feedback Exterminator is able to make the correct and accurate answer to the music or feedback question. Less sophisticated feedback controllers place filters on any loud tone, even if it is music, but the FBX2400 uses a patented analysis of the harmonic content of your program material. The FBX has always excelled in it's ability to make the right decision, and the new SMARTFilter technology makes it even better. A wrong decision means you waste filters (less gain for you) and punch unnecessary holes in your sound.
Filters are placed almost immediately (in 0.4 seconds at 1 KHz).Īccuracy: Is it music or is it feedback? This is the most difficult question your feedback controller must answer. During the show the 24-bit FBX is constantly on the watch for feedback, never allowing it to ruin your show. And in Setup Mode the speed is increased, so you can complete your entire setup of the FBX in less than 30 seconds. Speed: The industry's best digital signal processors that run the SMARTFilter algorithm give the FBX2400 a distinct speed advantage over all other automatic feedback controllers. Filters can be described by their Speed, Accuracy, Resolution, and Sonic Integrity. How does the Feedback Exterminator do it? First let's consider just how a superior feedback control filter should behave. The FBX2400 does it all for you automatically, and it does it faster than any other method.
If you had the time, the filters, and the test equipment, you could find the feedback frequencies, dial in the precise filter location, and make a very narrow filter, just deep enough to remove the offending tone. Think of the Sabine FBX as a very advanced set of automatic parametric filters. If feedback occurs during that crucial moment of the show, in the middle of the big solo, or just when the worship leader begins the sermon, the FBX Feedback Exterminator places a filter that only kills the feedback, not the sound and power you work so hard to achieve. The performance-saving power of the Sabine FBX2400 with SMARTFilters lies in it's ability to control feedback during the program, not just at setup time. Fast, transparent, and reliable feedback control.
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