Getting Started
Specifications
Supported file format
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Music (including podcasts (*1))
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Audio Formats (Codec)
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MP3
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Media File format: MP3 (MPEG-1 Layer3) file format
File extension: .mp3
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 32, 44.1, 48 kHz
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WMA (*3)
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Media File format: ASF file format
File extension: .wma
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 44.1 kHz
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AAC-LC (*4)
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Media File format: MP4 file format
File extension: .mp4, .m4a, .3gp
Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR)) (*5)
Sampling frequency (*2): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
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Linear PCM
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Media File format: Wave-Riff file format
File extension: .wav
Bit rate: 1,411 kbps
Sampling frequency (*2): 44.1 kHz
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Video (including podcasts (*1))
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Video Formats (Codec)
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Frame rate: Max. 30 fps
Resolution: Max. 720 × 480 (*6)
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AVC
(H.264/AVC)
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Media File format: MP4 file format, “Memory Stick” video format
File extension: .mp4, .m4v
Profile: Baseline Profile
Level: 1.2, 1.3, 2, 2.1, 2.2, 3
Bit rate: Max. 10 Mbps
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MPEG-4
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Media File format: MP4 file format, “Memory Stick” video format
File extension: .mp4, .m4v
Profile: Simple Profile
Bit rate: Max. 6 Mbps
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Windows Media Video 9 (*3) (*7)
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Media File format: ASF file format
File extension: .wmv
Profile: VC1 simple profile, main profile
Bit rate: Max. 6 Mbps
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Audio Formats (Codec)
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AAC-LC
(for AVC, MPEG-4)
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Channel number: Max. 2 channels
Sampling frequency (*2): 24, 32, 44.1, 48 kHz
Bit rate: Max. 288 kbps / channel
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WMA
(for Windows Media Video 9)
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Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 44.1 kHz
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Photo (*8)
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Photo Format (Codec)
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JPEG
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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 × 4,096 pixels (16,000,000 pixels)
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Voice Recording
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Audio Format (Codec)
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MP3
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Bit rate: 64, 128, 256 kbps
Sampling Frequency: 44.1 kHz
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(*1) The maximum recordable number of podcasts is 20,000.
(*2) Sampling frequency may not correspond to all encoders.
(*3) Copyright protected WMA/WMV files cannot be played back.
(*4) Copyright protected AAC-LC files cannot be played back.
(*5) Non-standard bit rates or non-guaranteed bit rates are included depending on the sampling frequency.
(*6) These numbers indicate the maximum resolution of playable video, and do not indicate the display resolution of your Walkman. The display resolution is 320 × 240.
(*7) Some WMV files can be played back only by transferring using Windows Media Player.
(*8) Some photo files cannot be played back, depending on their file formats.
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 MP3 format.
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NWZ-E473/E473K/E573
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NWZ-E474/E474K/E574
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NWZ-E475/E575
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Bit rate
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Number
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Time
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Number
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Time
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Number
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Time
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128 kbps
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835
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55 hr. 40 min.
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1,750
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116 hr. 40 min.
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3,650
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243 hr. 20 min.
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Maximum recordable time of videos (Approx.)
The approximate times are estimated in the case where only videos are transferred. The time may differ, depending on the conditions under which your Walkman is used.
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NWZ-E473/E473K/E573
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NWZ-E474/E474K/E574
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NWZ-E475/E575
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Bit rate
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Time
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Time
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Time
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Video Format: 384 kbps
Audio Format: 128 kbps
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13 hr. 20 min.
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28 hr. 00 min.
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58 hr. 20 min.
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Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
Noise Canceling function (NWZ-E573/E574/E575 only)
Digital Noise Canceling function
Environment setting: Bus/Train / Airplane / Office
Noise Canceling Modes: Normal Mode / Quiet Mode
Total Noise Suppression Ratio (*1) (NWZ-E573/E574/E575 only)
Approx. 17 dB (*2)
(*1) Under Sony measurement standard.
(*2) Equivalent to approx. 98.0% reduction of energy of sound compared with not wearing headphones. ([Select NC Environment]: [Airplane])
FM radio
FM Frequency range: 87.5 MHz to 108.0 MHz
IF (FM)
128 kHz
Antenna
Headphone cord antenna
Interface
Headphone: Stereo mini-jack
WM-PORT (multiple connecting terminal): 22 pins
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
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Built-in rechargeable lithium-ion battery
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USB power (from a computer via a USB connector of your Walkman)
Charging time
USB-based charging
Approx. 3 hours (full charge), Approx. 1.5 hours (approx. 80 %)
Battery life (continuous playback)
Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on typical usage conditions with “Basic setting of battery life measurement” as shown in the table below.
Note
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Even if your Walkman is turned off for an extended period, a small amount of battery power is still consumed.
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Battery life may vary depending on volume setting, conditions of use, and ambient temperature.
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Music
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NWZ-E473/E474/E475/
E473K/E474K |
NWZ-E573/E574/E575
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Noise Canceling function is off
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Noise Canceling function is on
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Playback at MP3 128 kbps
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Approx. 36 hours
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Approx. 36 hours
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Approx. 30 hours
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Playback at Linear PCM 1,411 kbps
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Approx. 36 hours
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Approx. 36 hours
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Approx. 30 hours
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Video
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Noise Canceling function is off
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Noise Canceling function is on
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Playback at MPEG-4 384 kbps
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Approx. 6 hours
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Approx. 6 hours
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Approx. 5 hours
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FM radio
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Noise Canceling function is off
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Noise Canceling function is on
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Receiving FM broadcasting
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Approx. 12 hours
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Approx. 12 hours
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Approx. 10 hours
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Voice recording
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Noise Canceling function is off
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Noise Canceling function is on
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Recording
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Approx. 3 hours
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Approx. 3 hours
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Approx. 3 hours
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Your “WALKMAN” settings which affect battery life
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Setting
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Basic setting of battery life measurement
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[Common Settings]
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[Screen Off Timer] (*1) (*2) [Details]
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[30 Sec]
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[Brightness] (*3) [Details]
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[3]
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[Battery Care] (*4) [Details]
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[Off]
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[Music Settings]
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[Equalizer] (*5) [Details]
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[None] (*6)
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[VPT (Surround)] (*5) [Details]
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[None]
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[DSEE (Sound Enhance)] (*5) [Details]
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[Off]
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[Clear Stereo] (*5) [Details]
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[Off]
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[Dynamic Normalizer] (*5) [Details]
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[Off]
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[DPC (Speed Control)] (*7) [Details]
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[Off]
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[Display Lyrics] (*8) [Details]
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[On]
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[Karaoke/Language Study] (*9) [Details]
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[Off]
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(*1) The [Off] setting shortens the battery life by about 80% compared with the [30 Sec] setting.
(*2) The longer the waiting time, the shorter the battery life for continuous music playback.
(*3) The [5] setting shortens the battery life for continuous video playback by about 45% compared with the [3] setting.
(*4) The [On] setting shortens the battery life by about 10% compared with the [Off] setting.
(*5) Setting [Equalizer] to other than [None], [VPT (Surround)] to other than [None], [DSEE (Sound Enhance)] to [On], [Clear Stereo] to [On] and [Dynamic Normalizer] to [On] shortens the battery life for continuous music playback by about 50% compared with setting them to [None] or [Off].
(*6) The default setting of your Walkman sold in the Latin America region is [Custom 1]. The [Custom 1] setting shortens the battery life for continuous music playback by about 20% compared with the [None] setting.
(*7) The [x2.0] setting shortens the battery life for continuous music playback by about 70% compared with the [Off] setting.
(*8) The [On (Screen Always On)] setting shortens the battery life for continuous music playback by about 85% compared with the [On] setting.
(*9) The [Maximum Karaoke Mode] setting shortens the battery life for continuous music playback by about 85% compared with the [Off] setting.
Display
2-inch (5.1 cm), TFT color display with white LED-backlight, QVGA (320 × 240 pixels), 262,144 colors
Dimensions (w/h/d, projecting parts not included)
Approx. 42.7 mm × 97.2 mm × 7.0 mm (1 11/16 inches × 3 7/8 inches × 9/32 inches)
Dimensions (w/h/d)
Approx. 43.3 mm × 97.2 mm × 7.4 mm (1 3/4 inches × 3 7/8 inches × 5/16 inches)
Mass
Approx. 51 g (1.8 oz)
Specifications for speaker (RDP-NWT18) (NWZ-E473K/E474K only)
Continuous RMS power output
0.3 W
Input
WM-PORT
Speaker
35 mm dia.
Operating temperature
5°C to 35°C (41 ºF to 95 ºF)
Power requirements
3.7 V
Power Source
Battery supply from your Walkman
Rated current consumption
200 mA (your Walkman)
Dimensions (w/h/d)
Approx. 153.4 × 48.7 × 48.4 mm (6 1/8 × 1 15/16 × 1 15/16 inches)
Dimensions (w/h/d, upright position)
Approx. 153.4 × 48.7 × 48.4 mm (6 1/8 × 1 15/16 × 1 15/16 inches)
Mass
Approx. 160 g (5.6 oz)
Available playback time
Approx. 10 hours
* [SP Output Optimizer] set to [Off], MP3 playback, 128 kbps
Note
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When [SP Output Optimizer] is set to [RDP-NWT18] (default setting) on your Walkman, battery life may shorten by approx. 30%.
Design and specifications are subject to change without notice.
