Professional Acoustic Measurement

 Professional Acoustic Measurement & Analysis



At Ephesians Media Network (EMN), we provide professional acoustic measurement and analysis for specialized facilities such as On-Air Radio Studios, TV Studios, Recording Studios, Theatres, Cinemas, Multipurpose Halls, and Auditoriums.

We utilize ANSI and ISO Type 1-certified measuring instruments to ensure the highest precision in Sound Pressure Level (SPL) readings. Our team performs detailed acoustic analysis using advanced tools including ANSI Class 1 Filter RTA, Flexible FFT, ETC, and Powerful Impulse Response analysis through Smaart® Spectrum RTA with spectrograph visualization.

Our competent acoustic engineers conduct comprehensive room acoustic assessments such as RT60 (reverberation time) decay analysis, covering the 63 Hz – 8 kHz octave and 1/3-octave bands. Based on the findings, we recommend and design effective acoustic treatment solutions — including sound-absorption panels, wall treatments, and ceiling diffusers — to optimize reverberation control and sound clarity. Overall decay time is computed from four octave bands centered at 250 Hz and 2000 Hz for accurate reference.

PA System Setup, Testing & Calibration

In addition to room acoustic analysis, EMN offers comprehensive testing and calibration services for Public Address (PA) and sound reinforcement systems.
Our testing capabilities include:

  • Speaker polarity verification

  • Speaker distortion testing

  • Impedance and impedance sweep analysis

  • Delay finder and alignment

  • STIPA (Speech Transmission Index for Public Address) – Basic and Professional tests

We also offer customized audio measurement and analysis services upon request to meet unique system-performance requirements.

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