| 摘要 |
PROBLEM TO BE SOLVED: To provide a new multiple hearing training device which is suited to training for simultaneously hearing plural voice subjects or video and voice subjects whose contents are different with each other. SOLUTION: In this multiple hearing training device, plural voice subjects whose contents are different with each other are preliminarily recorded as voice data and the voice teaching material of one turn is constituted by arranging a first part simultaneously reproducing (k) pieces of voice subjects, a second part simultaneously reproducing (m) pieces of voice subjects and a third part simultaneously reproducing (n) pieces of voice subjects time sequentially third and the voice material of one turn is reproduced through a voice reproducing device, provide that (k), (m) and (n) are integers which have the relation of k<n< m and which are equal to or larger than 1.
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