NTi Audio NTI-TALKBOX Calibrated Digital Acoustical Source

The TalkBox is an active acoustic signal generator for speech intelligibility measurements in evacuation and announcement systems, as well as for level alignment of teleconference or any audio system incorporating a microphone input. It allows performing complete end-to-end evaluation of the speech intelligibility STIPA from the talker's microphone to the listener's ears.It Simulates a human talker ( 60 dBA at 1 meter according to IEC 60268-16) with the STIPA test signal and spoken messages. Further it provides a wide range of test signals like sine, pink noise, white noise and delay.The TalkBox features human head-like dimensions and is based on a solid-state-generator. It replays the STIPA test signal with a precise frequency response, individually equalized for each TalkBox, also ensuring best performance through the internal amplifier and the precision loudspeaker. A variety of supplied or user-defined test signals may be precisely output for different alignment applications.Designed to the latest quality standards for reliable measurements results. It offers unmatched signal purity with a distortion lower than 1 over the complete frequency range from 100 Hz to 10 kHz. This ensures the repeatable and precise verification of the speech intelligibility STI. Features Individually Equalized Adjusted Output Level Lombard Effect Balanced Line In/Out Different Test Signals Mic Stand Mountable Remote Mute Universal Power Supply XLR, balanced 100 Ohm, unbalanced 50 Ohm Waveforms can be added/changed by the user Up to 15 different signals XLR, balanced 38 kOhm External switching power supply included ( 110 V 240 V) Includes: NTi Audio TalkBox Protection Cover mounted with NTi Audio lanyard CF-Card with test signals and individual calibration data Mains Power Supply and Power Cord CD -"NTi Audio TalkBox-", backup copy of Memory Card Carrying Pouch User Manual Specifications Max. input level: +18 dBu ( acc. to EBU R68, ITU-R rec. 645) STIPA: 60 dBASPL at 1 m +/- 0.5 dB,