After special and scientific ear training, more than 90% people will get great progress on the discrimination of pure tone frequency. It is concluded by a long term ear training for two groups of subjects. Several pure tones are selected in octave steps for the training. Fifty-seven subjects took part in the training. The training was conducted once a week, totally 15 weeks for one group. The average correctness rate increases from around 60% to above 90%. The test results also show that human ears have poor discrimination with middle frequencies, while strong ability with high frequencies and low frequencies. The relationship between the improvement and training times indicates that the effect of the frequency training has the similar increasing trend as that of the physical training.
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