Sound and Vibration Instrument Hire and Calibration
STIPA - Speech Transmission Index Public Address systems
|NTi Audio XL2 : STIPA - Speech Intelligibility Measurement option||£ 27 a day *|
The XL2 analyser with the STIPA option measures the speech intelligibility in accordance with the current BS EN 60268-16 Standard and earlier versions.It includes ambient noise correction and automated averaging of measurements. The XL2 displays the measurement results as STI or as CIS results, accompanied by the individual levels and modulation indices of the seven octave bands.
NTi Audio : TalkBox - Acoustic Signal Generator, required for audio systems with voice microphones, thus measuring the complete signal chain.
NTi Audio : Minirator MR-PRO - Test Signal Generator, required for audio systems with line inputs
PC running Windows XP, Vista or Windows 7
Excel 2003, 2007 or 2010 (32 bit or 64 bit)
Full STIPA Measurement Kits
|NTi XL2 : Analyser + MR-Pro Minirator and TalkBox||£ 37 a day *|
NTi XL2 : Sound Analyser with STIPA option
TalkBox : STIPA Reference Acoustic Generator : for audio systems with voice microphones to measure the complete signal chain
MR-Pro Minirator : Audio Generator : required for audio systems with line inputs
We also hire RASTI systemsSee also our full sound level meter list and sound level meter comparison table