Specifications Olympus Digital Voice Recorder DM-1 Voice & Music For the Digital Voice Recorder Recording format: DSS (Digital Speech Standard). Specifiedinput level: –70 dBv. Sampling frequency: Standard Play (SP) mode:12 kHz Long Play (LP) mode: 8 kHz. Overall frequency SP mode: 300 to 5,000 Hz response: LP mode: 300 to 3,000 Hz. Recording time (64 MB SP mode:10 hours 20 minutes card) : LP mode: 22 hours 10 minutes. Battery life: Recording: Approx. 11 hours Playback: Approx. 8 hours (with alkaline batteries, based on our standard testing procedure). For the Digital Music Player Compatible data format: WMA, MP3 format (using the multi-decoder system). Sampling frequency: 44.1 kHz. (It may vary depending on the bit rate of the music data) Frequency response: 20 to 20,000 Hz. Playback time: Bit rate 160 kbps: 50 minutes Bit rate 128 kbps: 60 minutes Bit rate 96 kbps: 84 minutes Bit rate 64 kbps: 120 minutes (With a 64 MB card. Time may vary depending on the bit rate of the music data.). Maximum headphone 5mW + 5mW (at load of 16 Ω ). output: Battery life: Approx. 8 hours (with alkaline batteries, based on our standard testing procedure). Shared specifications Recording media: 3 (3.3 V) SmartMedia cards. Capacity 4 to 128 MB. (Any SmartMedia card without an ID feature cannot be used with the Music Player). Card format: SSFDC Forum-compliant SmartMedia format. Speaker: Built-in ø28 mm round dynamic speaker. Microphone jack: ø3.5 mm mini-jack, impedance 2 kΩ . Earphone jack: ø3.5 mm mini-jack, impedance 8 Ω . Maximum working output (3 180 mW or more (8 Ω speaker). V DC): Input power requirement: Rated voltage: 3 V. Batteries: Two AAA batteries (LR03 or R03) External power supply: AC adapter. External dimensions: 109.5 x 50.0 x 16.7 mm (without protrusions). Weight: 86 g (including batteries). Minimum PC requirements USB interface, Windows 98, 98SE, ME, 2000 Professional, Intel Pentium class 200MHz processor or higher, 32 MB RAM, 70 MB hard disk space, 4 x CD-ROM drive, Creative Labs Sound Blaster 16 or 100% compatible sound card, speaker or earphone output, SVGA or higher colour video display card (minimum resolution 800x600), Internet connection and Web browser (Microsoft Internet Explorer 4.01 or later. SmartMedia Capacities Voice Recorder Recording times in DSS format Memory Size SP mode LP mode 4 MB 30 min 1 hr. 10 min 8 MB 1 hr. 10 min 2 hr. 35 min 16 MB 2 hr. 30 min 5 hr. 20 min 32 MB 5 hr. 05 min 11 hr. 64 MB 10 hr. 20 min 22 hr. 10 min 128 MB 20 hr. 50 min 44 hr. 40 min Music Player Playback times in MP 3 or WMA Memory Size at 128 kbps at 64 kbps 16 MB 15 min 30 min 32 MB 30 min 60 min 64 MB 60 min 120 min 128 MB 120 min 240 min * Specifications and design are subject to change without notice. * Battery life varies greatly according to type of batteries used and the conditions of use.