Hi At least in Izotope RX there is a Pitch Contour adjustment. You can adjust the needed pitch amount and it's change during the length of the recording and then process it to a reasonably constant pitch. Now - does it keep the playback speed? Hm... Need to check. Eero Grant, Tyra wrote: > We're transferring a collection of personal cassettes---interviews---mainly from the 90s. > A few start out okay then slowly speed-up so people sound like The Chipmunks. > Then, some are okay on one side but the flip side is speeded-up. > What's up here? > We'd appreciate recommendations re: the best way to handle these in order to get something listenable.