To prepare International Standards related to instruments and methods of measurement in the field of electroacoustics.

Excluded from the scope are:

a) standards for sound and video recording as dealt with by

TC 100;

b) standards for equipment in the field of audio and audio-

visual engineering as dealt with by TC 100;

c) standards and terminology for ultrasonic techniques dealt

with by TC 87.

NOTE.- Close co-operation shall, however, be maintained with

TC 87 in the fields of common interest.