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ANF (AUTOMATIC NOISE FILTER) STC-H156
Professional digital noise filtering device
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ANF is a compact mobile device which filters out noise enabling the listener to hear speech clearly. It is the right choice for live processing in field conditions. ANF has 7 types of automatically adapting noise filters; the setting of the filters are adjustable via LCD screen and keyboard.
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Applications
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olice, Forensic labs and other Law Enforcement Agencies: live sound quality improvement when recording or listening in a field environment.
Audio Engineers: mobile processing of recorded audio data.
Broadcasting Companies: mastering of “live” interviews an reports. Live speech quality improvement when recording in field conditions.
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Highlights
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- On-the-fly adjustment of filtering parameters during signal input and playback
- Effective against different noise sources: communication channel interferences, office equipment, industrial and
- vehicle engines, street traffic, environmental noises, slow or varying music, hiss and rumbling, reverberations and echo effects
- Original methods of stereo processing: using reference channel
- High quality sound
- Compact size
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Features
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- Real-time processing
- Filtering parameters retention
- Listening and filtering in the repetitive operation
- Available filters:
- single channel adaptive, distortion compensation
- dual channel reference adaptive, distortion compensation
- adaptive inverse filtering
- harmonics (tone) filtering
- adaptive broadband filtering
- composite (inverse and broadbanded adaptive) filtering
- pulse-like filtering
- Additional processing types include:
- harmonics suppression
- timbre correction
- pseudo-stereo
- loop playback from internal memory of 60 sec of audio
- Mobile and robust construction, small size and weight makes ANF ideal for use by military or law enforcement agencies. It can be powered by standard power supply or internal battery
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Technical characteristics
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- Microphone, line and telephone inputs
- Sine signal of nominal level and any frequency suppression depth: 60 dB and more
- White noise of nominal level suppression depth: 50 dB and more for dual-channel scheme
- Signal sampling frequency: 11025, 22050 Hz
- Size: 205x78x280 mm
- Weight: 660 g
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Delivery set
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- ANF device
- Built-in power supply (upon request)
- Power supply adapter/ external supply
- Signal input/output cables
- Headphones
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