@inbook{538e28bd4ec843649e3fd472fa91123c,
title = "Toonhoogte verschijnselen en hun gemeenschappelijke basis",
abstract = "For various types of broad-spectrum signals it could be demonstrated that pitch is derived from a rather limited frequency region corresponding to 3-5 times the pitch value. Taking only part of the signal filtered in the right way, the pitch can be calculated by a simple autocorrelation process.",
author = "R.J. Ritsma",
year = "1969",
language = "Nederlands",
series = "Publikatie Nederlands Akoestisch Genootschap",
publisher = "Nederlands Akoestisch Genootschap",
pages = "70--77",
booktitle = "Najaarsvergadering 1968 : voordrachten over diverse akoestische onderwerpen, gehouden op 7 en 8 november 1968 te Delft",
}