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Professional Stand Alone Digital Noise Filtering: ANF II
"Portable Audio Forensic Hardware for REAL TIME adaptive Noise Filtering, featuring Recording and Remote web access."
ADVANTAGES - BENEFITS - TECHNICAL DETAILS - DELIVERY SET
ON THE FLY AND POST PROCESSING Change noise filtering parameters during signal input or playback, via Screen and Keypad. Process and playback recorded audio on the go.
WEB ACCESS Gain access to all features of the unit remotely via convenient web interface.
RECORDING Simultaneous recording of the original and processed audio.
VOICE CHANGER Secure un-reversible voice changing algorithm allows it to be used for most responsible tasks such as a witness protection.
ADAPTABLE Can be used with internal or external microphone, line-in or telephone inputs, digital inputs etc.
ROBUST CONSTRUCTION Audio Forensic Hardware with Metal Case, Size (201x143x56mm) fits into 19` 2U rack mount, Weight 1.3 kg.
FILTERS AVAILABLE:
- Adaptive Broadband filtering:
- Suppression of wide range of noise through all bandwidth.
- Low frequency rumble suppression.
- Enhancement of reverberated speech. - Harmonics (tone) filtering:
- Suppression of electric interferences, phone beeps, or other hum like noise. - Equalizer:
- Adaptive: Improves spectrum and enhance speech in a “poor” audio channel.
- Parametric: High/Low frequency alteration. - Adaptive Pulse-like filtering:
- Eliminates cracks / clicks in radio channels. - Dual Channel Reference Adaptive, distortion compensation:
- Capable of filtering out the most difficult types of noise by using reference channel subtraction.
ADDITIONAL FEATURES -
- Voice Changer:
- Changes speaker’s voice in real time or in the recordings. - Speech Level Enhancer:
- Smoothes down amplitude differences & amplifies speech of a distant speaker.
ADVANTAGES
- The most highly adjustable noise filtering device for robust, field or laboratory use.
- Effective against a wide variety of noise and distortion sources.
- Remote web access via inbuilt WAN interface.
- Recording of live or processed audio on removable SD card.
- Inbuilt Voice Changer for live or recorded speech.
- Can be powered by external power or internal batteries.
- 9 Types of Noise Filtering.
BENEFITS
- Most adjustable standalone digital hardware noise filtering unit available.
- Inbuilt set of filters and features fits any circumstances.
- Remote web access allows using the unit wherever you are.
- Secure live Voice Changing feature allows for use in court witness protection.
- The recording feature allows simultaneous recording of both original and processed signals.
- Removable SD memory card gives easy access to the recordings.
- Build quality means that it's virtually indestructible.
TECHNICAL DETAILS
| Signal sources (stereo): | External/Internal microphone, Line analog or Digital, Phone. |
| Analog line balanced/unbalanced inputs: | XLR/TRS connector |
| Analog line balanced/unbalanced outputs: | ¼” TRS connector |
| Digital input/output: | Coaxial S/PDIF format RCA connector |
| Headphones output: | ¼” stereo TRS connector |
| Network interface: | Ethernet 10/100 BASE-TX |
| PC interface: | USB 5-pin Mini |
|
Audio format: Compression:Sampling rate: Bit depth: |
PCM, muLaw |
| Total Harmonic Distortion for line input: | 0.1% max |
| Digital filters: | - Broadband noise filter - Harmonic reject filter - Adaptive EQ - Parametric EQ - De-clicker - Speech level enhancer - Stereo filter - Voice changing filter |
| Input level indication: | two 7 LED bars |
| Built-in loudspeaker: | Yes |
| Power supply: | 4хAA batteries or 12 – 24V from external adapter |
| Flash memory: | SDHC up to 32 Gb |
| Dimensions: | 201 x 143 x 65.6 mm |
| Weight: | 1.3 kg. (2.9 lbs). |
APPLICATIONS
- Police Forces, covert surveillance teams, private investigators, for In-house or Field Operational use, automatic noise filtering when recording or listening "live" in outdoor or noisy environments.
- Forensic Departments for laboratory use as a server for audio processing, noise cancellation, filtering and speech clarity audio enhancement.
- Audio Engineers for outdoor or noisy mobile speech processing.
- Witnesses' protection in court and sessions recording.
- Broadcasting Companies for live mastering in "field" environments.
DELIVERY SET
- ANF II device
- 32Gb Flash memory card
- Power supply adapter/ external supply 110-230V/50,60Hz: 12V
- Signal input/output cables
- Network cable;
- AA (Energizer AA Lithium) batteries;
- Headphones (AKG K512);
- Protection case (Peli 1450);
- 3 Years Warranty.

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