Handheld Solutions for Cinemas

• Handheld and compact design for portable applications
• All measurement results for are stored for documentation to SD card
• Calibrated audio and acoustic measurement system

 
Screenshot X-Curve Tolerance Band

• Sound pressure level SPL
  Sound levels alignment of individual speakers and setup of LFE channel about 10dBSPL higher than the surround level.
   
• Real time analyzer RTA
  Fine tuning the system performance with pink noise at each seating position. The reference spectra of speakers may be captured for comparative measurements, thus achieving the same sound performance of all speakers.
   
• 1/12 octave analysis
  Loading standardized X-Curve tolerance bands according ISO 2969 or SMPTE 202M for reference measurements with selectable 1/1, 1/3, 1/6 or 1/12 octave band resolution.
   
• FFT analysis
  Analysis of reflections and cancellations (comb filter effects) for improving the room architecture and speech intelligibility.
   
• RT60 reverberation time
  Verifies the room acoustics for optimized system performance and speech intelligibility.
   
• Polarity
  All speakers shall be verified for the same polarity, thus achieving a broad stereo or surround sound image.
   
• Delay
  Setup of acoustical delays for optimized surround sound performance.
   

• Surround Sound Signal Generator
  Provides all test signals for system verification and fine tuning.

Exel Acoustic Set

Description	NTi Audio #
Exel Surround Set Class 2, including XL2+M4260 and Digirator DR2
Exel Surround Set Class 1 frequency response including XL2+M2210 and Digirator DR2
XL2 + M4260, Class 2	600 000 340
Spectral Limits Option for XL2	600 000 376
Digirator DR2	600 000 320