Olympus DM-720 Voice Recorder

PART NUMBER : V414111SE000

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The DM-720 from Olympus is a digital recording device capable of storing files in Linear PCM (WAV) formats as well as MP3. It can operate at sample rates up to 48 kHz and resolutions up to 16-bit. Lightweight at 2.5 oz, it's a compact and portable recorder with a Tresmic three-microphone system for capturing a full and detailed stereo sound. An included USB cable allows you to connect to computers directly and recharge a NiMH AAA battery sitting within its enclosure—should you opt for a rechargeable battery over its included alkaline one. Lastly, its transcription, voice-balancing, and voice-playback modes render the unit quite useful in note-taking situations, such as business meetings or interviews.

Recording Capabilities

The DM-720 features a Tresmic three-microphone system to capture depth, fullness, and stereo field.

48 kHz / 16-bit Capability

The DM-720 supports linear PCM recording up to 16-bit and sampling frequencies as high as 48 kHz for CD quality and beyond.

Intelligent Auto Mode

This mode automatically adjusts the microphone sensitivity according to the input level in real time.

On-Board Low-Cut Filter

This filter effectively reduces frequencies lower than 300 Hz when instantiated.

Voice Playback Function

This function allows you to skip non-voice parts during playback and only play the parts of the file where there is vocal content, thus saving time during business-oriented listening sessions.

Transcription Mode

In Transcription Mode, the DM-720 will automatically rewind three seconds after you click stop, so you can check the contents of what you just heard before proceeding. Also, the fast forward is preset to 3.5x so you can skip the silence in your recording.

Auto Voice Balancer

Balances all recorded voices on playback to make dialogue easier to hear

Voice Guidance

The voice guidance feature provides audio announcements of the recorders operations in an easy to understand spoken voice.

Noise Cancellation

Powerfully reduce unwanted ambiance during playback

Direct PC Connection

The built-in USB connector can be deployed and stored using the slide lever. With this feature, you can connect directly to a computer without using an external cable or software.

File Editing

Split files by topic or size for easy file management

Clip-Stand Attachment

The DM-720 comes with an attachment that can be fastened to the back of the recorder for use as a stand or clip. The clip can be attached to your pocket or notebook, or it can be used as a stand to direct the recorder towards a signal source.
Recording FormatMP3, PCM (WAV)
Bit-Rate8 kbps - 128 kbps
Sample Rate11.025 kHz - 48 kHz
Recording TimeHQ Stereo: 61 Hours
HQ Mono: 123 Hours
LP Mono: 985 Hours
One-Click RecordingYes
Voice Activated RecordingYes
Microphone TypeInternal Stereo - 3 Elements
Microphone SensitivityHigh
Auto SENS Setting
Pickup PatternOmni-Directional
Frequency Response20 Hz - 20 kHz
Playback FormatsPCM (WAV)
Power Output150 mW
IndicatorsPower, Low Battery, Recording, Voice Volume
Battery Type1 x AAA
Battery Life (approx.)Recording: 52 Hours
Playback: 35 Hours
Power AdapterNo
Internal MemoryInstalled: Flash Memory - 4 GB
Compatible Memory CardsmicroSD
Connectors1/8" mini Female Microphone In
1/8" mini Female Headphone Out
USBUSB 2.0 (A)
Dimensions (WxHxD)1.6 x 4.17 x .57" / 4.06 x 10.59 x 1.45 cm
Weight2.5 oz / 71 g
Packaging Info
Package Weight0.38 lb
Box Dimensions (LxWxH)6.15 x 5.25 x 1.75"
No available accessories
  • Olympus DM-720 Digital Recorder
  • AAA Battery

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