DVT4000 - Auto Adjust

Precise conversation recording with automatic adjustment of audio settings Different environments require different audio settings for an optimal recording quality. AutoAdjust+ analyses the audio signal and chooses the perfect settings for the recording situation. The result is crystal clear recordings.

Highlights

Superior audio quality

AutoAdjust+ for perfect settings in every situation

High-quality microphone for utmost speech clarity

MP3 recording for clear playback and easy file sharing

Easy and intuitive

Plug and play in Windows, Mac OS and Linux

Large color display for easy and intuitive operation

Rechargeable li-polymer battery for extra-long recording

Designed around you

4 GB internal memory for up to 44 days of recording

MicroSD memory card slot for virtually unlimited recording

Robust metal design for extra durability

Features

Features

AutoAdjust+ for perfect settings in every situation

High-quality microphone for utmost speech clarity

MP3 recording for clear playback and easy file sharing

Plug and play in Windows, Mac OS and Linux

Large color display for easy and intuitive operation

Rechargeable li-polymer battery for extra-long recording

4 GB internal memory for up to 44 days of recording

MicroSD memory card slot for virtually unlimited recording

Robust metal design for extra durability

Technical Specifications

Connectivity

Headphones: 3.5 mm
Microphone: 3.5 mm, Built-in microphone, Microphone stereo socket
Micro-SD card socket
USB: High-speed USB 2.0

Display

Type: LCD color display
Backlight
Diagonal screen size: 1.77"/4.5 cm
Resolution: 128 × 160 pixels

Audio recording

Built-in microphone: high-sensitivity, HQ stereo, low-noise microphone
Recording formats: MPEG1 layer 3 (MP3), PCM (WAV)
Recording modes: PCM 1411 kbps, SHQ 192 kbps, HQ 96 kbps, SP 64 kbps, LP 8 kbps
Sample rate: 44.1 kHz (PCM/SHQ), 32 kHz (HQ), 22 kHz (SP), 16 kHz (LP)
Bit rate: 8, 64, 96, 192, 1411 kbps
File overwrite and append mode
Record monitor function
Recording time: 1140 h (LP), 142 h (SP), 95 h (HQ), 47 h (SHQ), 6 h (PCM)
Silent recording mode
Prerecording mode

Sound

Sound enhancement: ClearVoice
Frequency response: 50–20,000 Hz
Signal-to-noise ratio: > 60 dB
Speaker output power: 110 mW
Speaker diameter: 28 mm

Storage media

Built-in memory capacity: 4 GB
Built-in memory type: NAND Flash
Mass storage class compliant

Music playback

Compression format: MP3, WMA
Equalizer settings: Jazz, Pop, Classic
ID3 tag support
MP3 bit rates: 8–320 kbps
WMA bit rates: 48–320 kbps (44 kHz), 64–192 (48 kHz), stereo

Convenience

Firmware upgradeable
Keypad lock
Multi language: English, French, German, Spanish, Italian, Russian, Polish, Simplified Chinese
Variable playback speed
Voice volume indicator
Voice-activated recording