ANF II

ANF II portable device for noise cancellation speech signals recording is a professional audio-recording device for two channel recording, processing and playback of the speech signals. The device allows to improve the quality and intelligibility of speech signals, which were recorded by the device or uploaded to removable memory card.

In high-stress situations, such as accidents, criminal investigations and conditions where safety and security are a concern, it is important for speech to be clear and easily understandable to ensure no vital information is lost. The ANF II noise cancellation device is designed to meet the toughest tasks of speech enhancement, including real-time audio enhancement.

The ANF II noise cancellation device produces professional results while being intuitive and easy-to-use, requiring no special knowledge in digital sound processing. Adaptive noise filters yield immediate results and allow adjustments to be instantly audible. All settings and controls can be adjusted via the front panel of the device, remotely via web-interface, or from the computer via USB cable.

• Broadband Noise Filter

  • Smooths suppression of noises in all bandwidths
  • Low frequency rumble suppression
  • Enhancement of reverberated speech

• Harmonic Reject Filter

Suppresses electric network frequency, phone beeps, or any other drones

• Adaptive Equalizer

Improves spectrum and enhances speech in the “poor” audio channel

• 4 Parametric Equalizer

  Amplifies / weakens low and high frequencies

• Speech Level Enhancer

  Smooths down amplitude differences and amplifies speech of a distant speaker

• De-Clicker

  Eliminates cracks / clicks in radio channels and old discs

• Reference Noise Filter

  Suppresses noise in the main channel using information about the noise from the reference channel

• V-Changer

  Changes speaker’s voice in real time and processes files

• 9 proprietary noise processing:

  • Broadband noise filter (3 modes)
  • Harmonic reject filter
  • Equalizer (2 modes)
  • De-clicker
  • Speech level enhancer
  • Reference noise filter

• Network interface

• Sound input from built-in mics, line analog inputs, digital inputs, and phone lines

• Recording can be started / stopped manually or automatically (time schedule and voice activation)

• Audio storage on the flash card.

• Unlimited number of filtering presets

• Forensics -Audio