scientific pitch
... that pioneering French acoustician Joseph Sauveur proposed unsuccessfully that middle C be set to 256 Hz, the system later called scientific pitch?
... that pioneering French acoustician <a href="./Joseph_Sauveur" id="mwCy8" rel="mw:WikiLink" title="Joseph Sauveur">Joseph Sauveur</a> proposed unsuccessfully that <a class="mw-redirect" href="./Middle_C" id="mwCzA" rel="mw:WikiLink" title="Middle C">middle C</a> be set to 256<span id="mwCzE" typeof="mw:Entity"> </span>Hz, the system later called <b id="mwCzI"><a href="./Scientific_pitch" id="mwCzM" rel="mw:WikiLink" title="Scientific pitch">scientific pitch</a></b>?