Otoacoustic detection and analysis device

The utility model discloses an otoacoustic detecting and analyzing device which comprises a central control unit, a sound production unit, a sound receiving unit, a signal amplification unit, an A/D converting unit, a power amplifier unit, a D/A converting unit, a display unit, a key board operation unit, a computer host machine unit and an USB interface unit, wherein the sound production unit is connected with the central control unit through the power amplifier unit and the D/A converting unit in turn, the sound receiving unit is connected with the central control unit through the signal amplification unit and the A/D converting unit in turn, the central control unit is directly connected with the computer host machine unit through the USB interface unit, peripheral storing, displaying, and operating units are omitted, resources as high speed operations and the like do not need, the equipment becomes smaller, reliable and power-saving, simultaneously analytical calculations with more accuracy and more items can be obtained through utilizing the strong operating, storing and managing resources of a computer, personal information and otoacoustic signals in each detection for the detected people can be stored, analyzed, and tracked for a long time. The utility model is very suitable for hospital clinical uses.