IS 11449 : 1985 Mechanical coupler for measurement on bone vibrators

1 Scope

1.1 This standard specifies requirements for mechanical couplersused for calibrating bone-conduction audiometers and for makingmeasurements on bone vibrators and bone-conduction hearing aids, inthe frequency range from 125 to 8 000 Hz inclusive.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1885 : Part 3 : Sec 5 :1966 Electrotechnical vocabulary:Part 3 Acoustics,Section 5 Speech and hearing

IS 10565 :1983Diagnostic audiometer

IS 10776 : Part 4 :1984Methods of measurement of electroacoustic characteristics ofhearing aids:Part 4 Hearing aids with bone vibrators

IS 11024 :1984Standard reference zero for thecalibration of pure-tone boneconduction audiometers and guidelinesfor its practical application