Olympus DM-4 (142590) 8GB Expandable Digital Voice Recorder with Voice Activation and 2.2 Inch Color LCD / Dictation / Audio Recorders

Overview:

The DM-4 delivers everything you expect from an Olympus audio recorder, and then some. With its incredible 8GB of internal memory, it supports over 2,000 hours of recording and allows plenty of storage for your favorite songs. It also supports Daisy (Digital Accessible Information System) -- specialty software that converts textbooks into speech for the blind and dyslexic.

Features:

8GB INTERNAL MEMORY - 8GB of internal memory allows you 2,000 worry-free hours of recording time, with microSD card compatibility that extends it to 512MB-16GB.
2.2 INCH COLOR LCD - Bright 2.2" color screen enables clear, easy navigation of menus and files.
MP3, WMA & PCM RECORDING - Record and play back in MP3, WMA and PCM formats with a quality that's as good as its operation is easy.
VOICE GUIDANCE - A voice guidance system ensures teeamless, user-friendly operation of all functions in the menu.
MULTIPLE FORMATS - Supports Daisy, audible website pod casting and audio book formats.
USB CONNECTION COMPATIBLE WITH PC AND MAC - Transfer audio files quickly and easily.
BATTERY CHARGE FUNCTION - Charges the battery while connected to your PC or when plugged in to the AC Adapter (included). Long 20-hour battery life with lithium-ion rechargeable battery.
MULTIPLE LANGUAGE DISPLAY - The bright LCD supports and displays three languages -- another plus for accessibility. (EN/FR/ES)
29 HOURS OF BATTERY LIFE - Don't let old memories of battery drain your confidence. There's up to 29 hours of recording capability with the DM-4's long-life battery. And the battery can be charged when you hook the recorder up to your computer via the USB port or when you plug in the AC Adapter (included).
VOICE ACTIVATION - Voice Activation makes automatic starting and stopping of the recorder an extra benefit that saves time and energy.
OLYMPUS SONORITY - Edit your files with Olympus Sonority sound editing software (included), which is compatible with PCs and MACs.
VOICE RECOGNITION - Use simple voice commands to create calendar entries, to-do lists and other basic functions.

Specifications:

Recording Format: MP3, PCM (WAV) and WMA
Recording Media: Built-in 8 GB flash memory (and micro SD card slot)
Recording Time: PCM 48 kHz 16 bit 11 hours, 5 minutes, 44.1 kHz 16 bit 12 hours, 5 minutes,
MP3:
44.1 kHz 320 kbps 53 hours, 00 minutes
44.1 kHz 256 kbps 66 hours, 30 minutes
44.1 kHz 192 kbps 89 hours, 00 minutes
44.1 kHz 128 kbps 133 hours, 00 minutes
WMA:
STXQ 44.1 kHz 128 kbps 130 hours, 30 minutes
STHQ 44.1 kHz 64 kbps 261 hours, 00 minutes
STSP 22 kHz 32 kbps 522 hours, 00 minutes
HQ 44.1 kHz 32 kbps 522 hours, 00 minutes
SP 22 kHz 16 kbps 1,029 hours, 00 minutes
LP 8 kHz 8 kbps 2,043 hours, 00 minutes
LCD: 2.2 inch, color
Folders Messages Voice: 5 folders / Up to 999 files per folder
Music: 1 folder / Up to 999 files
Podcast: 1 folder / Up to 999 files
Overall Frequency Response PCM:
48 kHz 16bit: 40-23,000 Hz
MP3
128 kbps: 40-17,000 Hz
Mic
70-20,000 Hz
Speaker: 23 mm round dynamic speaker
Microphone Jack: 3.5 mm / Stereo mini
Earphone Jack: 3.5 mm / Stereo mini
Power Supply: LI-50B Lithium Ion battery or AC power supply
Batteries: 29 hours (LP mode recording)
Size 4.5 x 1.8 x 0.6 in. (113.6 x 45.6 x 15.2 mm) without protrusions
Weight 3.5 oz. (98g) including battery
OS Supported: Microsoft® Windows® XP/Vista/7 Mac OS X 10.4.11 – 10.5