 Source-filter synthesis in the Praat Manual by Paul Boersma

Paul Boersma, manual pages dated 13 July 2005 and 21 April 2014 respectively. Section 1 states the source-filter hypothesis; part 2 constructs a formant filter and combines it with a separately created glottal source. Theory citation: www.fon.hum.uva.nl/praat/manual/Fant__1960_.html