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Ohga then spoke to many people and insisted, that " Tape recorders should be actively employed by music schools. Musicians must train themselves with a tape recorder just as ballerinas study dancing by looking at a mirror. " Even though tape recorders were considered a luxury which people could not afford so easily, the university finally approved the purchase.
The G-type tape recorder performed well in comparison with other tape recorders available in those days. But this product was adequate only for recording speeches and ordinary conversations. For music students like Ohga, the G-type left plenty of room for improvement in sound quality. The most critical problem was that transient sounds, like those made by a piano. These would all be blurred when recorded and played back. Thus, there was a limit to what the machine could do interms of recording music. Ohga discussed areas needing improvement with the people at the university. He prepared a sheet of specifications and presented it to Totsuko through Kurahashi. He noted what the frequency characteristics should be, and said that if wow and flutter could not be controlled below a certain level, the machine would not work.
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Ohga visited Totsuko again to discuss the improved specifications. He was able to talk with Ibuka at some length this time. They thoroughly discussed the requirements for recording music and agreed that an impedance roller should be incorporated into the recorder so as to minimize the sound distortion, also known as wow & flutter. Iwama and Higuchi also participated in this discussion.
Athough Ibuka initially regarded Ohga just as " another music school student, " thinking that he could confuse him by throwing technical terms around, Ohga challenged Ibuka's expertise instead. " My goodness, " thought the impressed Ibuka, " His knowledge of tape recorders will put a professional to shame. " He fell for this meddlesome and magnanimous young fellow. From then on, Ohga would frequent Totsuko serving as a self-appointed, unpaid supervisor.
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