NTi Audio
Cinema Solutions

Calibration and Verification of Cinemas

Public Cinema sound has to be so much better than the incredible sound experiences of Home Cinemas in order to encourage audiences to come to the movies. The NTi Audio Cinema Meter is the tool you need to achieve this.

Modern soundtracks can create a totally engaging experience that immerses and thrills the audience, but only if the speaker system is setup correctly. NTi Audio provides a handheld solution for complete calibration and verification of cinema sound systems.


  • Calibration, periodic performance checks and maintenance of loudspeaker systems in professional cinemas
  • Comparing measurement results against standardized X-Curve with pass/fail indication according to ISO 2969 or SMPTE ST 202:2010 standards
  • Fine-tuning individual preferences for optimized performance


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

XL2 Cinema Meter

An XL2 Analyzer, with the Cinema Meter Option installed, forms the dedicated solution for efficient calibration and repetitive verification of cinema loudspeaker systems in accordance with SMPTE ST 202:2010 and SMPTE RP 200:2012. An interactive assistant guides the user through the calibration and verification process.


  • Generate measurement templates including the X-curve fitting best to the chosen cinema size.
  • Calibration assistant for reference data recording of each channel as well as headroom tests
  • Averaging measurement results of different microphone positions
  • Verification assistant for periodic cinema measurements and comparison against the reference data
NTi Audio #: 600 000 379

User manual

XL2 Cinema Meter

The M2211 Measurement Microphone with class 1 frequency response is recommended for accurate measurements in cinemas, as the specified tolerance bands are very tight.


XL2 with M4260 Measurement Microphone
XL2 Audio and Acoustic Analyzer

Minirator MR-PRO
Minirator MR-PRO

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.

Sound Pressure Level SPL

Sound levels alignment of individual speakers and setup of LFE channel.


All speakers shall be verified for the same polarity, thus achieving a broad stereo or surround sound image.


Setup of acoustic delays for optimized surround sound performance.

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.

Order Information

Exel AVI-Installation Set

Exel Kit for Commercial Cinema

  • XL2 Audio and Acoustic Analyzer
  • Cinema Meter Option for XL2
    (includes Spectral Limits Option)
  • M2211 Measurement Microphone
  • ASD Cable for XL2
  • Mains Power Adapter
  • Exel System Case

Exel Kit for Home Cinema

  • XL2 Audio and Acoustic Analyzer
  • Spectral Limits Option
  • M2211 Measurement Microphone
  • Minirator MR-PRO (for analog test signals)
  • Digirator DR2 (for Dolby & DTS test signals)
  • ASD Cable for XL2
  • 2x Mains Power Adapter
  • Exel System Case

Get more Information

Buy at the web shop or contact NTI Americas .

Reference Customers

2Oscars Kinotechnik • A&T Trade • ABB Alstom• Apple Sound Ltd. • Audix Systems • Bosch • Bose • BP • CCTV • Cirque du Soleil-Mandalay Bay • Cisco • City of Edmonton • deciBEL • Deutsche Bahn • Disneyland Scientific Systems • Doppler Acoustics • DreamWorks Animation • EnBW Kernkraft GmbH • Ericsson AB • European Commission - DG JRC • Ford Audio Video • G+M Audio • Gade & Mortensen  • Akustik A/S • Gansu Tianxing Rare Earth Functional Materials Co. Ltd • Google • Gulf Security Equipment Co. • HafenCity Universität Hamburg • Hamann Media Tec GmbH & Co KG • Honeywell • HP Sound Equipment SRL • IEC • Innotronic of Scandinavia ApS • Inspire Tech Ltd • ISO-Audio • Izotop Service Sp. z o.o. • Juka Lab • Kinoton Korea, Inc. • KKL Leibstadt • König Audio-Video-Technik GmbH • Messe Frankfurt Venue GmbH • New York City Transit • Overtron Light & Sound • PKE Electronics AG • Qatar Olympic Committee • Quantum Technologies, Inc. • Reuter Associates LLC • Sandia National Laboratory • Siemens • Skywalker Properties Ltd. • SNCF - French national railway company • Soundzipper • Sydney Trains • Technicolor • TOA Corporation UK Ltd • Trondheim Lyd Lysverket AS • TüV Nord Systems GmbH & Co.KG • TüV Süd Industrie Service GmbH • Tyco Fire & Security Spa • Verizon • Walt Disney World • WSP Group

more ...

Test Solutions for



Contact NTi Audio

NTI Americas Inc.
Tigard, Oregon
Thomas E. Mintner
+1 503 684 7050

Application Notes