Prasar Bharti

Revenue Generation

During the year 2018-19, acoustic material provided by the various firms have been tested in Acoustic Lab and revenue total amount of Rs 342672/- has been earned . Further the acoustic material received for testing is under progress.

Acoustic Test Facilities available:

In Laboratory

• Noise Reduction Coefficient (NRC).
• Sound Transmission Class (STC)/Sound Reduction Index (Rw).
• Sound Absorption Coefficient (SAC).
• Impact Insulation Class (IIC).

On site Measurement

• Sound Level measurement
• Reverberation Time
• Ambient Noise
• Sound Transmission Class
• Impact Insulation

Tests on Electro-Acoustic Transducers:

In Anechoic Chamber

Microphone Testing

• Sensitivity.
• Frequency Response.
• Polar Pattern.

Loudspeaker Testing

• Sensitivity.
• Frequency Response.
• Polar Pattern.