AudioTest
AudioTest overview
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, White noise, Pink noise, Brown noise, and Gaussian 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 meter: peak, RMS (root-mean-square), and average.
- Scroll Wheel support with text fields and sliders.
- Keyboard Shortcuts for various parameters.
- Undo/Redo support for parameter changes.
- AppleScript scripting.
What’s new in version 2.3.1
Updated on Feb 20 2022
- Fixed the missing audio output device issue.
Information
App requirements
- Intel 64
- OS X 10.9 or later
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User Ratings
Apr 6 2012
Version: 1.12
Handy little utility. This $15 app plus the cost of a headphone connector saves me having to shell out $50 for a hardware toner with fewer features and which I would only use occasionally.
Aug 30 2006
Version: 1.11
Works just fine for generating test tones, and there are lots of options to play with. I don't know what the limitations of the unregistered version are.
Dec 10 2005
Version: 1.7
the old registration code before AudioTest 1.6 no longer works on AudioTest 1.6 or later. please contact me for the upgrade info. -author
Jul 14 2005
Version: 1.6
This version requires an update to your registration code. I do not know if any cost is required...yet. If you do not have an older version backup, do not install until you have the upgrade code.
Mar 25 2004
Version: 0.8
Please add tone bursts and 1/3-octave warble tones, very common for loudspeaker and listening room tests. You can see this site for a discussion of tone burst: Linkwitz - Toneburst Test Signals.
Feb 26 2004
Version: 0.7
NOTE: the output level in AudioTest is a peak level, not an average level.
Dec 28 2003
Version: 0.5
Works....
The only thing I'd do is limit the frequency to 20Hz....with a warning if you want to go below that with speakers attached. Some amps like my Crown will go below 20Hz...if the amplitude is high enough....you could have cones in your lap. Anything other than Sine couls cause damage to the voice coils if the amp passes a square wave.
Also...when pink or white noise is selected....the level should be reset to a nominal or a warning displayed when play is clicked to check levels...again for saftey sake.
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