Using multiple microphones, this mixer calculates the direction and source of every sound in a room.
MacMall Part #: 8979890
Manufacturer Part #: FS-400
Using multiple microphones, this mixer calculates the direction and source of every sound in a room. It can determine if a sound is speech or noise. By measuring the difference in time and intensity of the speech in each microphone, the mixer effectively forms a beam aimed at the person speaking and adaptively follows that person as they move about the room. Constantly monitoring each microphone in real time, acoustic information is added from microphones that do not appear in other microphones.
An additional De-Reverberation sensor eliminates room reverberations such as voices reflecting off of walls. The result is a degree of voice clarity and intelligibility unprecedented in the past.
CTG offers two versions of the Beam Forming Mixer. The FS-400 has four microphone inputs with independent Echo and Noise Cancellation on each microphone, plus an additional De-Reverberation Echo Canceller.
The FS-800 offers eight Microphone inputs with both Echo and Noise Cancellation for each microphone, plus an additional De-Reverberation Echo Canceller for every four microphones.
Each Mixer can be daisy chained to additional mixers to support an unlimited number of microphones. Every unit can be either master or slave. Microphones may be installed in the ceiling, walls or on tables.
An included telephone line (PSTN) add and an included wired remote dialer or soft dialer will turn either mixer into a self contained audio teleconferencing system, and line level output and input connections will allow connection to a video codec for video teleconferencing.
Used with CTG CM-01 Ceiling Microphone, or the TM-01 and TM-02 table top or table implant microphones, high quality conferencing can be available even in many rooms previously considered acoustically unsuitable.
Front panel of FS-400 Power on/off Switch with LED indicator USB mini B: Used for PC Communication, both audio and setup Dialer: Input for dial pad to dial, connect and disconnect calls Phone Line: Input (standard RJ11) to connect phone line from wall plate
Back panel of FS-400 Microphone inputs (1-4): CTG ceiling microphones, table microphones, or implant microphones are connected here. Speaker In (mandatory): This is the return audio from the video codec Output: This output is connected to a line level input of the video codec Speaker Out: This will be connected to the speaker amplifier Link Up: This is an expansion port which allows multiple units to be linked together and function as one system for large rooms. Link Down: This is an expansion port which allows multiple units to be linked together and function as one system for large rooms. Power Connector: USB: Power supply through USB mini B @ 5 V DC automatically adjusts to 110 to 240 volt mains.
Number of inputs: 4 Type: Phantom powered balanced Input Connector: Phoenix Balanced Phantom Voltage: 24 Volt Input Impedance (load): 590 ohm Maximum input level: 60 mVpp (input gain 30) Frequency response: 20 Hz - 8 KHz Mic requirements: Microphone sensitivity to fall between -31 and -45 dB re 1V at 1Pa If more sensitive mics are required please contact CTG
Type: Balanced Input (single ended can also be implemented by connecting the negative input to GND) Connector: Phoenix Balanced Input Impedance: 5 K ohm Maximum input level: 2 Vpp Frequency response: 20 Hz - 8 KHz
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