Maximum Recordable Number Of Songs And Time; Battery Life - Sony Walkman NWZ-W273S Help Manual

Sampling frequency (*2): 32, 44.1, 48 kHz
Media File format: ASF file format
File extension: .wma
WMA (*1)
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 44.1 kHz
Media File format: Wave-Riff file format
Linear File extension: .wav
PCM Bit rate: 1,411 kbps
Sampling frequency (*2): 44.1 kHz
Media File format: MP4 file format
File extension: .mp4, .m4a, .3gp
AAC (*3) Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR)) (*4)
Sampling frequency (*2): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,
48 kHz
(*1) Copyright protected WMA files cannot be played back.
(*2) Sampling frequency may not correspond to all encoders.
(*3) Copyright protected AAC-LC files cannot be played back.
(*4) Non-standard bit rates or non-guaranteed bit rates are included
depending on the sampling frequency.

Maximum recordable number of songs and time

(Approx.)
The approximate times are based on the case in which you transfer or record
only 4 minute songs (not including videos and photos) in the MP3 format.
Other playable audio file format song numbers and times may differ from
those of the MP3 format.
NWZ-W273S (4 GB)
Bit rate Number Time [H:M]
128 kbps 990 66:00
NWZ-W274S (8 GB)
Bit rate Number Time [H:M]
128 kbps 1,970 131:20
Battery Life (continuous playback)
The time below may differ depending on ambient temperature or the status of
use.
MP3 128 kbps:
Approx. 8 hours
Linear PCM 1,411 kbps:
Approx. 7 hours
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