Pitch shifters hama SW ekema wage thiyenawane bun.....ee kiuwe sound recording softwares wala...hehee... :) :) :) .. Modulators use karapan.... :) :) :) :) Thawath oonenum distort karapan...hehe... Nathnum Steinberg Voice Machine Processor, Voice Designer eka use karapan....hehehe.... :D :D :D