IS 8146 : 1976 Method of Measurement of Reverberation Time in Auditoria

UDC 534.843.242.2 LTD 7
Reaffirmed 2020

1 Scope

1.1 This standard specifies a method for the measurement ofreverberation time in auditoria by describing the state ofoccupancy of an auditorium for which the reverberation time isrequired, the measurement procedure, the apparatus necessary, andthe method of evaluating the data and of presenting the testreport.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1885 : Part III : Sec 8 :1974 Electrotechnical vocabulary:Part III Acoustics, Section 8Architectural acoustics.

IS 2264 :1963Preferred frequencies for acousticalmeasurements

IS 6964 :1973Specification for octave, half-octaveand third-octave band filters foranalysis of sound and vibrations