Specifications

15 Appendix
POCKETRAK C24 Reference Manual
82
Specifications
Supported OS
Windows 7, Vista, XP Professional/Home Edition
Mac OS X 10.4, 10.5, 10.6
Supported media microSD/SDHC card
Recording mode and estimated
available recording time (with the
internal 2GB memory)
PCM
24bit
96kHz Approx. 55min.
88.2kHz Approx. 1hr.
48kHz Approx. 1hr.50min.
44.1kHz Approx. 2hr.
16bit
96kHz Approx. 1hr.25min.
88.2kHz Approx. 1hr.30min.
48kHz Approx. 2hr.50min.
44.1kHz Approx. 3hr.
MP3
320kbps Approx. 13hr.30min.
192kbps Approx. 22hr.30min.
128kbps Approx. 34hr.
64kbps Approx. 68hr.
32kbps Approx. 136hr.
Recording format MP3, PCM (WAV)
Playback format
MP3 (MPEG1 LAYER3, MPEG2 LAYER3), WMA
PCM (Only files recorded on this unit are supported.)
Frequency response (recording with
an external microphone)
PCM
96kHz/24, 16bit 40Hz–47kHz
88.2kHz/24, 16bit 40Hz–43kHz
48kHz/24, 16bit 40Hz–23kHz
44.1kHz/24, 16bit 40Hz–21.7kHz
MP3
320kbps 40Hz–21kHz
192kbps 40Hz–20kHz
128kbps 40Hz–17kHz
64kbps 40Hz–7.6kHz
32kbps 40Hz–6.7kHz
Frequency response (recording with
the built-in microphone)
100–20,000Hz (PCM recording)
* The high end frequency response varies with the recording mode
that was selected for recording with an external microphone.
The low end response is 100Hz in all MP3 recording modes.
Frequency response (playback) 20–23,000Hz
Sampling frequency 16kHz–96kHz
Bit rate (playback)
16–320kbps (MP3)
32–192kbps (WMA)
* Some files may not be played back correctly.