Sony Walkman NWZ-B142 Operation Manual page 77



Additional Information
Maximum recordable time (Approx.)
The times below are estimated for the case where only FM (NWZ-B142F/B143F only) or
Voice audio files are stored. The time may differ, depending on the conditions under
which the player is used.
Codec*
1
Voice Recording High
Voice Recording Mid
Voice Recording Low
FM Recording
* The player uses MS-ADPCM codec for recording the sound and the FM programs.
1
Capacity (User available capacity)*
NWZ-B142/B142F: 2 GB (Approx. more than 1.73 GB = 1,865,416,704 bytes)
NWZ-B143/B143F: 4 GB (Approx. more than 3.54 GB = 3,810,000,896 bytes)
* Available storage capacity of the player may vary.
1
A portion of the memory is used for data management functions.
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
FM radio (NWZ-B14F/B14F only)
 Preset
30 presets
 FM Frequency range*
87.5 to 108.0 MHz
* The frequency is changed by 0.1 MHz.
1
IF (FM)
Unsupported
Antenna
Headphone cord antenna
Interface
Headphone: Stereo mini-jack
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 °F to 95 °F)
NWZ-B14/B14F
Time
23 hr. 20 min.
46 hr. 50 min.
93 hr. 50 min.
11 hr. 40 min.
1
1
NWZ-B14/B14F
Time
47 hr. 50 min.
95 hr. 50 min.
191 hr. 50 min.
23 hr. 50 min.
Continued 