6 Royalty-Free Audio Tracks for "Variable Pitch"

Stereo recording of a vacuum cleaner with variable power settings, using 2 devine dm 10 microphones. Recorded in audacity.

Piano notes distored with rx7 variable pitch and time modifiers. Free use.

Rattle snake hissing or shaking its tail at variable pitches. Recorded with the tascam dr-40 built-in microphones, processed in pro tools 10, bounced to a 48khz 24bit wav file.

Variable speed on main trigger. 4-step shift register made with sample and hold modules. Looping envelopes with varying speed. The sample and hold shift register does not preserve pitch frequency very well.

This is the variable mid/high pitch sound of a metal door not properly closed in my college, making a whistling sound. There are very light sounds of people passing and chatting by the door. I used this sound in a group project as part of a night wind sound in a dark forest. It is looping. Recorded with a tascam dr-40.

An internal gas combustion engine starting up, and then cutting grass as it moves across the lawn. The clip is recorded from an elevated vantage point about 25 feet directly above the lawnmower. In the background some lawn debris can be heard hitting the blade and getting tossed. The variable pitch motor slows as it encounters heavier grass. It is the first grass cutting of the season and, being on the west coast, the grass is very thick with moisture enhanced growth. The recording is made with a high quality stereo zoom h1n portable audio recorder. However, the. Mp3 setting was selected during recording to achieve a smaller audio footprint (for another use), melded to a mono channel, then exported to. Wav as the preferred format for this repository.