Gnome-Nano Subminiature stereo digital voice recorder

Gnome-Nano is a new subminiature recorder. It is designed for very high-quality digital audio indoor and outdoor recording and recording in difficult acoustic conditisons.

Medal of 1st degree at international forum "Security Technologies 2009"

Application

• Law enforcement agencies: recording during special operations, in police cars, etc.
• Security companies: recording inside cash-in-transit vans and for other safety reasons.
• Emergency services: tracking of rescue operations inside vehicles.
• Legal practices and institutions, businessmen, etc.: recording of important conversations, lectures and interviews operations.

Features

• Continuous high-quality mono and stereo recording with or without compression using a built-in microphone and/or one or two external microphones in the integrated flash memory
• Automatic and manual gain control
• Recording started/stopped manually or automatically (by signal level / timers)
• Recording format: files *.wav
• Built-in battery rechargeable from power supply (AC/DC 220V/50Hz) or USB computer interface

Highlights

• One of the smallest professional recorders
• Long duration of the recording
• Nearly undetectable and insuppressible
• Digital signature to protect the recorded data from modification

Technical characteristics

• Number of channels: 2 or 1 (microphones, line outputs)
• Built-in memory size: 2 GB
• Recording format: mono/stereo PCM 16 bit or with double compression
• Sampling rate: 8 or 16 kHz
• Bandpass flatness: not more than 1 dB
• SNR (signal-to-noise ratio) at microphone inputs: at least 78 dB
• SNR (signal-to-noise ratio) at linear inputs: at least 89 dB
• Total Harmonic Distortion for mic. input (at 1kHz, with16 kHz sampling frequency):
  • without compression - 0.1% max.
  • with 2x compression - 1.0% max.
• Total Harmonic Distortion for line input (at 1kHz, with16 kHz sampling frequency):
  • without compression - 0.01% max.
  • with 2x compression - 1.0% max.
• Microphones: electret, HF-resistant, sensitivity - 55 dB
• Maximal recording time (mono recording with 2x compression, 8 kHz): not less than 70 h.
• Maximal recording time (stereo recording, PCM 16 bit, 16 kHz): not less than 8,5 h.
• Maximal operation time without battery recharge (250 mAh):
  • record mode - more than 8 h
  • timer mode - more than 300 h
  • voice activation mode - more than 70  h
• Power supply:
  • built-in Li-Ion, 250 mAh supply
  • 5V external power supply (charger with USB-interface)
  • power supply recharge time - 2 hours or less
  • type of computer interface: USB 2.0
• Recorded data transfer rate: 2.0 MB/s (USB 2.0 Hi or Full-speed)
• Recorder size: 47x34x6 mm
• Casing: metal
• Weight (with battery): 30 g