Pure tone audiometric and psychophysical tuning curve detecting system
A tuning curve and detection system technology, applied in audiometers, etc., can solve problems such as difficulty in building and obtaining, difficulty in hearing system integration, impossibility of pure tone audiometry and psychophysical tuning curve detection, etc., to achieve portability and replacement, Guaranteed comprehensiveness and precision, easy to carry and flexible effects
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[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0018] Such as figure 1 As shown, the present invention includes a computer 1 loaded with a windows system, a sound card 2, a hand-held USB handle 3, a micro speaker 4 and an earplug 5.
[0019] Sound card 2 of the present invention can adopt the multimedia sound card that can be connected with computer 1 by IEEE1394 interface, such as the present invention has used the 56 channel high-speed fire wire sound card that has 24bit sampling depth, 196kHz highest sampling rate professional index produced by RME company when detecting FireFace800, its signal-to-noise ratio is as high as 119dB. Of course, the sound card 2 of the present invention can also adopt other structural forms and connection methods, such as a multimedia sound card or a common sound card connected through a USB interface, combined with appropriate software programming procedures and t...
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