• Date: November 16, 2020
• OS: macOS 10.9.5 or later
• License: Mac App Store US$4.99
• No free upgrade from 1.x. Please purchase 2.3 on Mac App Store.

AudioTest generates audio test signals and can save audio test signals as audio files.

• Wave types: sine wave, triangle wave, sawtooth wave, square wave, pulse wave, anti-aliased sawtooth wave, anti-aliased square wave, anti-aliased pulse wave, uniform distribution white noise, pink noise, brown noise, and Gaussian distribution white noise
• Frequency: fixed, linear sweep, and logarithmic sweep
• Level: fixed, linear sweep, and logarithmic sweep
• Phase shift: ±180 degrees
• Sample rates: 11.025k, 22.05k, 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, and 192k
• Bit depths: 8-bit, 16-bit, 24-bit integers, and 32-bit float
• Channels: mono, stereo, left, and right
• Level meters: peak, RMS (root-mean-square), and average
• Save audio test signal as audio file
• Keyboard shortcuts to adjust various parameters
• Undo/Redo support for parameter changes
• AppleScript scripting

FAQ: How can I convert a CAF audio file to some other audio file format?
Answer: Use the afconvert command in Terminal. Click here to learn how to use afconvert.