Audio Specifications

Recording Formats

Full-spectrum ultrasonic and acoustic: 16-bit PCM WAV

Zero-crossing ultrasonic: Anabat Call Sequence Type 132 (file extension .zc)1

Record Channels

1 Ultrasonic channel

1 Acoustic channel (when optional acoustic mic is installed)

Sample Rate

Ultrasonic channel: 256, 384, or 500 kHz

Acoustic channel: 8,000; 12,000; 16,000; 22,050; 24,000; 32,000; 44,100; 48,000; or 96,000 Hz

High-Pass Filter (Ultrasonic Channel)

2-pole, 8.25 kHz

Digital Anti-Alias Filter

Ultrasonic channel: none

Acoustic channel, Highest Quality mode: -5.0 dB @ 0.4 fs, -12 dB @ 0.6 fs