FIELD: computation engineering.
SUBSTANCE: device has object-oriented measurement tract correction mode. The device has test signal generator as sequence of N frequencies distributed over N strip means to which the hearing spectrum is divided with pauses between the frequencies, unit for transmitting test signals, microphone, N-bandwidth signal/noise ratio measurement unit, and computation unit for treating intelligibility. Manual generation frequency switch and pause switch mode is introduced. Level measurement unit is mounted in front of the transmitter. Controllable frequency characteristic adjustment unit is introduced in front of the signal/noise ratio measurement unit.
EFFECT: high accuracy and reliability of measurements.
2 dwg
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