Speech Technology Center
NOISE CANCELLATIONDENOISER BOX
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DENOISER BOX Ultra-compact real-time noise filtering and speech enhancement device |
DENOISER BOX brochure |
Denoiser Box is an ultra-compact device based on STC award-winning Denoiser DSP board and designed for real-time enhancement of analog audio signal.
Denoiser Box decreases overall noise level greatly improving speech signal intelligibility.

- Police, Technical investigators, Surveillance team, Private investigators, Forensic labs and other Law Enforcement Agencies:
Live sound and speech quality improvement while recording or listening in field conditions. - Broadcasting companies:
Mastering of “live” interviews and reports.
HIGHLIGHTS
- The maximal efficiency with the minimal unit sizes
- On-the-fly adjustment of filtering parameters during signal input and playback
FEATURES
- Effectively decreases broadband (industrial, street, etc.) and harmonic noises and interferences. Adaptive noise filtering algorithms keep speech signal clear and undistorted
- Removes noises from:
- air conditioning
- PC and office equipment
- vacuum cleaners
- radio channel
- Signal bandwidth adjustable
- Adjustable AGC (automatic gain control)
TECHNICAL CHARACTERISTICS
- Noise suppression depth:
- 0-24 dB for single-channel filtering
- 0-40 dB for reference channel stereo filtering
- Operation time (without battery change) – up to 14 hours
- Signal sampling rate: 11025 Hz
- Adjustable signal bandwidth: 200-5000 or 300-3400 Hz
- AGC adjustment range:
- 12 dB input
- 6 dB output
- Size: 110x45x113 mm
- Weight: 360 g
DELIVERY SET
- Denoiser Box device with a carrying case
- Signal input/output cables
- External microphone
- Non-recoverable power supply 9 V
- AC 100-240 V 50/60 Hz power supply unit
- Cable for connecting Denoiser Box to Gnome-2M digital voice recorder (upon request)
- 12 V power cable/ lighter plug (upon request)

