Voice Tracer Digital Precise Conversation Recording DVT4010

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.

datasheet DATASHEET



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
  • 8 GB internal memory for up to 44 days of recording
  • MicroSD memory card slot for virtually unlimited recording
  • Active Directory support for enhanced user management


1AutoAdjust+ for perfect settings in every situation

Recording in different environments is often a challenge. AutoAdjust+ is an innovative, intelligent recording algorithm which analyses the incoming audio signal and automatically chooses the perfect settings for each recording situation. It automatically adjusts and selects the appropriate sound parameters such as microphone sensitivity, wind filter, noise reduction and the left and right audio channel.




High-quality microphone for utmost speech clarity2

The two high-quality stereo microphones deliver crystal-clear sound quality. Their higher recording sensitivity captures more signal without compromising on sound quality. This allows you to achieve excellent results when recording conversations, even in noisy environments.





3MP3 recording for clear playback and easy file sharing

Capture your recordings in MP3. The popular file format allows you to play back your files virtually anywhere and simply share them with others.





Plug and play in Windows, Mac OS and Linux4

Thanks to Plug and Play in Windows, Mac OS and Linux, you can quickly access your recordings without installing any additional software. The recorder is automatically displayed as a removable drive once connected to your computer via USB. It can also be used as a convenient way to store, back up and share files.




5Large color display for easy and intuitive operation

The large color display offers sharp images, making it easier to see and read everything at first glance. The clear user interface supports eight languages and is optimized for easy, intuitive operation.





Rechargeable li-polymer battery for extra-long recording6

The high-capacity Li-polymer battery can be easily charged through a standard micro USB jack. This guarantees extended battery life for extra-long recording ensuring that your recorder will always be ready to work when you are.




78 GB internal memory for up to 88 days of recording

Capture and store up to 44 days of continuous recording thanks to the 8 GB of internal memory.




MicroSD memory card slot for virtually unlimited recording8

Virtually unlimited recording and storage capacity thanks to a microSD memory card slot supporting up to 32 GB of additional memory.




9Robust metal design for extra durability

Its robust and lightweight design maximizes comfort and the metal surface creates a robust shell around the device.






Technical Specifications                                                                                   


Headphones: 3.5 mm

Microphone: 3.5 mm, Built-in microphone, Microphone stereo socket

Micro-SD card socket

USB: High-speed USB 2.0


Type: LCD color display


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 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: 8 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


Firmware upgradeable

Keypad lock

Multi language: English, French, German, Spanish, Italian, Russian, Polish, Simplified Chinese

Variable playback speed

Voice volume indicator

Voice-activated recording


AutoAdjust+ recording

Calendar search

Instant one-touch recording

Optimized for notes, conversations


Li-polymer built-in battery

Battery lifetime: up to 50/25 hours in LP record mode (built-in memory/microSD memory card)

System requirements

Free USB port

Operating system: Windows 8/7/Vista, Mac OS X, Linux

Design and finishing

Colour(s): Silver shadow/chrome

Green specifications

Lead-free soldered product

Package contents


USB cable

Quick start guide

Product dimensions

Product dimensions (W × H × D): 4.4 × 12.0 × 1.8 cm / 1.75 × 4.7 × 0.7 inch

Weight: 83 g/2.93 oz.

EAN: 91 20056 50048 2

Manuals and documentation

pdf Leaflet (842KB)
pdf User manual (884 KB)
pdf Product brochure (1.7 MB)

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