Sony WALKMAN NWZ-A15 Help Manual page 323

WMA (for Windows Media Video 9) (*6)
Bit rate: 32 kbps to 192 kbps (Supports variable bit rate (VBR))
Sample Rate (*1): 44.1 kHz
Photo (*7) (Photo Viewer)
Photo Formats
JPEG
Media File format: Compatible with DCF 2.0/Exif 2.21 file format
File extension: .jpg
Profile: Baseline Profile
Number of pixels: Max. 4,096 x 4,096 pixels (16,000,000 pixels)
(*1)
Sample Rate may not correspond to all encoders.
(*2)
Copyright protected WMA files cannot be played back.
(*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 Sample Rate.
(*5)
These numbers indicate the maximum resolution of playable video, and do not indicate the player's display resolution. The
display resolution is 320 x 240.
(*6)
Some WMV files can be played back only by transferring using Windows Media Player.
(*7)
Some photo files cannot be played back, depending on their file formats.
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