Audio Techniques|Speaker Test vs Alpha Propane Usage & Stats

Use Audio Techniques|Speaker Test to check your speakers or for an in class demo to teach polarity and phase. Included sounds: Pink noise, Sine Wave Sweep 20 to 20k, Clicks and 1k Sine Wave. Flip all 4 included sounds polarity with a touch of a button for easy demo or speaker test. When testing the polarity flip on the mono speaker of the iOS device the sound will seem to disappear. Normal left +/- right +/- , polarity flipped left +/- right -/+ (or inverted).

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Alpha Propane

Information at your fingertips! This app gives you direct access to your account balance, location and contract information. It also gives you the ability to store and process payment and request service work and deliveries directly through the app.