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 enclosureâshould 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.
Features
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.
Specifications
Recording
- Type: Digital
- Mode: Stereo
- Recording Format: PCM (WAV); MP3
- Bit-Depth: 8; 16
- Bit-Rate: 8 Kbps - 128 Kbps
- Sample Rate: 11.025kHz - 48 kHz
- Recording Time: HQ Stereo: 61 Hours; HQ Mono: 123 Hours; LP Mono: 985 Hours
- One-Click Recording Yes
- Voice Activated Recording Yes
- Microphone Type: Internal Stereo - 3 Elements
- Microphone Sensitivity: High; Medium; Low; Auto SENS Setting
- Pickup Pattern: Omni-Directional
- Frequency Response: 20 Hz - 20 kHz
Playback
- Playback Formats: PCM (WAV); MP3
- Bit-Rate: Not Specified By Manufacturer
- Speaker: Yes
- Power Output: 150 mW
- Display Size/Type: Not Specified By Manufacturer
- Equalizer Settings: Not Specified By Manufacturer
- Indicators: Power, Low Battery, Recording, Voice Volume
Power
- Battery Type: 1 x AAA
- Battery Life (approx.): Recording: 52 Hours; Playback: 35 Hours
- Power Adapter: No
General
- Internal Memory(installed): Flash Memory - 4 GB
- Compatible Memory Cards: microSD
- Connectors: 1/8" mini Female Microphone In; 1/8" mini Female Headphone Out
- USB: USB 2.0 (A)
- Dimensions (WxHxD): 1.6 x 4.17 x .57" (4.06 x 10.59 x 1.45 cm)
- Weight: 2.5 oz (71 g)
Packaging Info
- Package Weight: 0.4 lb
- Box Dimensions (LxWxH): 6.1 x 5.2 x 1.8"
