DM-720 Digital Voice Recorder
$199.00
Outstanding reliability for business use
The DM-720 includes high quality features packed into an efficient, smart body. Equipped with an easy-to-use interface, editing functions that extend audio use, and various playback functions, this recorder provides outstanding practicality and reliability to support your business needs.
Description
High quality recording
The 3-microphone “TRESMIC” system available on the DM-720 delivers high quality sound recording. The recorder is also equipped with many more functions to further enhance sound recording quality.
A full array of playback functions
The DM-720 includes a variety of useful playback functions for all business situations. Functions include Voice Playback, to skip non-speech parts of your recordings, Voice Playback to ensure everyone in your recording is heard, and noise cancellation technology to remove unwanted ambient noise.
Usability
The recorder includes an easy-to-use interface, and convenient functions that extend your use. The DM-720 has a built-in USB connector with recharge function, expandable microSD memory, and voice guidance. A convenient clip stand attachment is included, to allow you to attach the recorder to a pocket or notebook.
Specifications
Recording formats
| Linear PCM format / MP3 format |
Sampling frequency
| Linear PCM format | [48.0 kHz / 16 bit]: 48.0 kHz [44.1 kHz / 16 bit]: 44.1 kHz |
|---|---|
| MP3 format | [320 kbps]: 44.1 kHz [128 kbps]: 44.1 kHz [64 kbps (mono)]: 44.1 kHz [8 kbps (mono)]: 11.025 kHz |
Maximum headphone output
| Recorder: ≦ 150 mV (according to EN 50332-2) |
Recording media
| Built-in NAND flash memory | 4 GB |
|---|---|
| microSD card | Supports 2GB to 32GB |
- Some recording media memory capacity is used as a management area, so the actual usable capacity will always be slightly less than the displayed capacity.
Speaker
| Built-in Ø18mm dynamic speaker |
| Maximum working output: 150mW (8Ω speaker) |
Microphone Jack
| Ø3.5mm, impedance 2kΩ |
Earphone Jack
| Ø3.5mm, impedance 8Ω minimum |
Power source
| Specified voltage | 1.5 V |
|---|---|
| Battery | AAA dry-cell battery x1 (LR03) or Ni-MH rechargeable battery x1 |
| External power supply | USB Connecting AC Adapter (model A514; DC5V) |
External dimensions
105.9 × 39.6 × 14.4 mm
|
Weight
72g
|
Operating temperature
| 0 to 42°C (32 to 107.6°F) |
Frequency response
When recording from microphone jack
| Linear PCM format | [48.0 kHz / 16 bit]: 20 Hz – 23 kHz [44.1 kHz / 16 bit]: 20 Hz – 21 kHz |
|---|---|
| MP3 format | [320 kbps]: 20 Hz – 21 kHz [128 kbps]: 20 Hz – 17 kHz [64 kbps (mono)]: 20 Hz – 13 kHz [8 kbps (mono)]: 20 Hz – 3.5 kHz |
When recording with built-in microphone
| Recoding(centre microphone ON) | 20 Hz – 20 kHz |
|---|---|
| Recoding(centre microphone OFF) | 60 Hz – 20 kHz |
- Frequency response upper limit is set by recording mode during MP3-format recording.
During playback
| 20 Hz – 20 kHz |
- The upper and lower limit values of the frequency response depend on each recording format.
Battery life
When recording with built-in stereo microphone (using internal memory)
| Recording mode | Alkaline dry cell battery | Nickel-metal hydride rechargeable battery | |
|---|---|---|---|
| Linear PCM format | 48.0 kHz / 16 bit | 26 hours (approx.) | 20 hours (approx.) |
| 44.1 kHz / 16 bit | 28 hours (approx.) | 21 hours (approx.) | |
| MP3 format | 320 kbps | 31 hours (approx.) | 22 hours (approx.) |
| 128 kbps | 35 hours (approx.) | 25 hours (approx.) | |
| 64 kbps mono | 39 hours (approx.) | 28 hours (approx.) | |
| 8 kbps mono | 52 hours (approx.) | 38 hours (approx.) | |
- The battery life figures shown here were determined using an Olympus test method (When [Mic Select] is set to [Central Mic Off], and [LED] is set to [Off]). Actual batterylife figures will vary greatly according to the battery used and usage conditions (Changing the playback speed or using the [Zoom Mic], [Noise Cancel] and [Voice Balancer] functions may affect the battery life).
- Battery life will be shorter when using a nickel-metal hydride rechargeable battery that has been used repeatedly.
- Battery life will be shorter when using a microSD card.
During audio file playback (all playback modes)
During speaker playback
| Recording mode | Alkaline dry cell battery | Nickel-metal hydride rechargeable battery | |
|---|---|---|---|
| Linear PCM format | 48.0 kHz / 16 bit | 13 hours (approx.) | 11 hours (approx.) |
| 44.1 kHz / 16 bit | 13 hours (approx.) | 11 hours (approx.) | |
| MP3 format | 320 kbps | 13 hours (approx.) | 11 hours (approx.) |
| 128 kbps | 13 hours (approx.) | 11 hours (approx.) | |
| 64 kbps mono | 13 hours (approx.) | 11 hours (approx.) | |
| 8 kbps mono | 13 hours (approx.) | 11 hours (approx.) | |
- The battery life figures shown here were determined using an Olympus test method (When [Mic Select] is set to [Central Mic Off], and [LED] is set to [Off]). Actual batterylife figures will vary greatly according to the battery used and usage conditions (Changing the playback speed or using the [Zoom Mic], [Noise Cancel] and [Voice Balancer] functions may affect the battery life).
- Battery life will be shorter when using a nickel-metal hydride rechargeable battery that has been used repeatedly.
- Battery life will be shorter when using a microSD card.
During earphone playback
| Recording mode | Alkaline dry cell battery | Nickel-metal hydride rechargeable battery | |
|---|---|---|---|
| Linear PCM format | 48.0 kHz / 16 bit | 26 hours (approx.) | 20 hours (approx.) |
| 44.1 kHz / 16 bit | 28 hours (approx.) | 21 hours (approx.) | |
| MP3 format | 320 kbps | 30 hours (approx.) | 22 hours (approx.) |
| 128 kbps | 30 hours (approx.) | 22 hours (approx.) | |
| 64 kbps mono | 31 hours (approx.) | 22 hours (approx.) | |
| 8 kbps mono | 35 hours (approx.) | 25 hours (approx.) | |
- The battery life figures shown here were determined using an Olympus test method (When [Mic Select] is set to [Central Mic Off], and [LED] is set to [Off]). Actual batterylife figures will vary greatly according to the battery used and usage conditions (Changing the playback speed or using the [Zoom Mic], [Noise Cancel] and [Voice Balancer] functions may affect the battery life).
- Battery life will be shorter when using a nickel-metal hydride rechargeable battery that has been used repeatedly.
- Battery life will be shorter when using a microSD card.
Recording time
Linear PCM format
| Recording mode | Recording mode | ||
|---|---|---|---|
| 48.0 kHz/16 bit | 44.1 kHz/16 bit | ||
| Internal memory | 4 GB | 5 hours (approx.) | 5 hours, 30 minutes (approx.) |
| microSD card | 32 GB | 44 hours (approx.) | 48 hours (approx.) |
| 16 GB | 22 hours (approx.) | 23 hours, 30 minutes (approx.) | |
| 8 GB | 11 hours (approx.) | 11 hours, 30 minutes (approx.) | |
MP3 format
| Recording mode | Recording mode | ||||
|---|---|---|---|---|---|
| 320 kbps | 128 kbps | 64 kbps mono | 8 kbps mono | ||
| Internal memory | 4 GB | 24 hours, 30minutes (approx.) | 61 hours (approx.) | 123 hours (approx.) | 985 hours (approx.) |
| microSD card | 32 GB | 212 hours (approx.) | 530 hours (approx.) | 1060 hours (approx.) | 8480 hours (approx.) |
| 16 GB | 105 hours (approx.) | 264 hours (approx.) | 525 hours (approx.) | 4220 hours (approx.) | |
| 8 GB | 52 hours (approx.) | 132 hours (approx.) | 264 hours (approx.) | 2110 hours (approx.) | |
- Actually available recording times may be shorter than the figures shown here when making short recordings repeatedly (Equipment displays of available/elapsed recording times should beconsidered guideline values).
- Available recording time will also vary due to differences in the available memory capacity of different microSD cards.
Maximum recording time per file
| Recording mode | Recording time | |
|---|---|---|
| Linear PCM format | 48.0 kHz/16 bit | 3 hours (approx.) |
| 44.1 kHz/16 bit | 3 hours, 20 minutes (approx.) | |
| MP3 format | 320 kbps | 29 hours, 40 minutes (approx.) |
| 128 kbps | 74 hours, 30 minutes (approx.) | |
| 64 kbps mono | 149 hours (approx.) | |
| 8 kbps mono | 1193 hours (approx.) | |
- The maximum file size is limited to about 4GB in the MP3 format, and to about 2 GB in the linear PCM (WAV) format.
- Regardless of the amount of remaining memory, the maximum recording time per file is restricted to the following values.
Number of music tracks (songs) that can be recorded
| Internal memory (4 GB) | 900 tracks (approx.)
|
|---|
- Note that recorder specifications and appearance are subject to change without prior notice for performance improvements or other upgrading.
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