AudioCheck Pro is a tool to check your audio equipment's stereo left right positioning and phase wiring through a series of listening tests. It also provides unprocessed, studio quality instruments and vocals to test the acoustic response of the location targeted for calibration.

AudioCheck Pro signals are in 44.1kHz, 16bit stereo uncompressed format. All tones and sample instruments have been precisely trimmed for looping continuously.

AudioCheck Pro provides many industry reference sound check tones. The tests are:

Positional
1. Left Channel Pink Noise at -14dB
2. Right Channel Pink Noise at -14dB
3. Stereo Pink Noise in phase, and out of phase.
4. Pink Noise filtered at 0-200Hz (Bass Frequency)
5. Pink Noise filtered at 200-1kHz (Low Mid Frequency)
6. Pink Noise filtered from 1kHz (High Mid Frequency)
7. Pink Noise filtered at 7kHz (High Frequency)

Reference Tones
1. 1kHz Sine Wave at -14dB
2. 1kHz Sine Wave at -18dB

Sweep Tones
1. 20Hz-20kHz Sine Wave sweep at -14dB
2. 20Hz-20kHz Sine Wave sweep at -18dB

1/3 Octave Sine Wave Bands at -14dB
1. 20Hz
2. 25Hz
3. 31Hz
4. 40Hz
5. 50Hz
6. 63Hz
7. 80Hz
8. 100Hz
9. 125Hz
10. 160Hz
11. 200Hz
12. 250Hz
13. 315Hz

Instrument and Vocal solo
1. Grand Piano
2. Acoustic Guitar (picking style)
3. Acoustic Guitar (strumming style)
4. Clean Electric Guitar
5. Bass Guitar
6. Orchestra Flute
7. Saxophone
8. Violin
9. Drumkit
10. Spoken voice, male
11. Female vocal
12. Male vocal
13. A-440 Tuning Reference