As far as the number of tongue vibration cycles of the Czech /r/ is concerned, there is a considerable difference between traditional descriptions (mostly 1-3 r-cycles) and natural speech (almost always only one r-cycle). The data in this article, based on a modest investigation of texts read by both amateurs and professional actors, confirm an absolute prevalence of one-r-cycle pronunciation in present-day Czech. This article also comments on the term "trill" and on related points of confusion in speech therapy.
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.