References
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- Hirsch I. J. The measurement of hearing. McGraw-Hill Book C, Inc., New York 1952
- Keys J. W. The comparative threshold acuity of monaural and binaural hearing for pure tone and speech as exhibited by “normal” and hard of hearing subjects. Department of Speech, Northwestern University, USA 1946
- Pollack I., Pickett J. M. Stereophonic listening and speech intelligibility against voice babble. J. acoust. Soc. Amer. 1958; 30: 131
- Shaw W. A., Newman E. B., Hirsh I. J. The difference between monaural and binaural thresholds. J. exp. Psych. 1947; 37: 229, U.S.A.