# Avisoft Bioacoustics

## About
Avisoft Bioacoustics provides integrated hardware and software solutions for recording, analyzing, and playing back ultrasonic signals in field and laboratory settings.

## Products

### Avisoft-SASLab Pro
Versatile sound analysis, editing, classification, and synthesis tool for bioacoustics investigations. Features advanced sound analysis options. Free Lite version available with many useful tools.

### Avisoft-RECORDER
Bioacoustics recording software with sound-activated triggering for single or multichannel recording. Supports wide range of audio interfaces and data acquisition devices. Includes versatile playback tools for playback experiments.

### Avisoft-UltraSoundGate
Integrated PC-based hardware and software solutions for recording and playing back ultrasonic signals. Modular design adaptable to different requirements.

### Avisoft MEMS Microphone (New - May 2025)
Combines good sensitivity up to ~120 kHz with omnidirectional pickup pattern. Good signal-to-noise ratio.

### Avisoft CM16/CMPA Microphone
Sensitive and directional ultrasound microphone with a flat on-axis frequency response. Very good signal-to-noise ratio.

## Latest Updates

- **RECORDER version 4.4.2** (June 6, 2026): UltraSoundGate device driver usgh_x64.sys signed by Microsoft for new Windows driver policy compliance.
- **SASLab Pro version 5.3.2** (January 26, 2026): New filter option in Create labels from waveform events dialog to exclude unwanted noise. Expanded batch processing tool.

## Key Features
- Sound-activated triggering for recording
- Multi-channel recording support
- Advanced sound analysis options
- Playback experiment tools
- Field and laboratory ultrasonic signal recording
- Modular hardware design

## Website
https://www.avisoft.com