Olympus DM-720 Meeting and Interview Recorder - 4Gb

$199.00

Perfect for recording meetings and interviews

This easy to use, high quality digital voice recorder is best used recording meetings or interviews.
The Olympus DM-720 digital meeting recorder 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. Mac & Windows compatible.

High quality recording

The 3-microphone “TRESMIC” system available on the Olympus DM-720 delivers high quality sound recording. The recorder is also equipped with many more functions to further enhance sound recording quality.

Olympus Australia DM-720 Digital Voice Meeting Interview Recorder - Mac Windows Compatible - Dictate

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.

Zoom microphone for recording from a distance

With the latest directional quality control technologies, switching to directional microphone mode unleashes the power of proximity recording in noisy environments, such as at lectures or when recording from a distant position. You can adjust the directivity by operating with the "-" and "+" buttons. The new zoom microphone mode adjusts the recording level higher according to the zoom.

Usability

The recorder includes an easy-to-use interface, and convenient functions that extend your use. The Olympus DM-720 has a built-in USB connector with recharge function, expandable microSD memory (with 4Gb of on-board memory included) and voice guidance. A convenient clip stand attachment is included, to allow you to attach the recorder to a pocket or notebook.

Technical Specifications

The Olympus DM-720 is both Mac & Windows compatible, no software required this is a plug and play device.

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
  • Not including largest projection

Weight

72g
  • including battery

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.)
  • At 128 kbps, 4 minutes per track
Olympus DM-720 Meeting and Interview Recorder - 4Gb

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