Sony ICD-UX81 User Manual

ICD-UX71/UX81/UX71F/UX81F 4-114-023-11(1)

GB

Capacity (User available capacity)

ICD-UX71/UX71F:

1 GB (approx. 986 MB =1,034,354,688 Byte)

ICD-UX81/UX81F:

2 GB (approx. 1.92 GB =2,072,313,856 Byte)

A part of the memory capacity is used as a 

management area.

Recording time*

1

See page 23.

*

1

 When you are going to record continuously 

for a long time, you may have to replace 

the battery with a new one in the midst of 

recording. For details on the battery life, refer 

to pages 13 - 14 .

Frequency range

ST :  40 Hz - 20,000 Hz

STSP :  40 Hz - 15,000 Hz

STLP :  60 Hz - 7,500 Hz

SP :  60 Hz - 10,000 Hz

LP :  60 Hz - 3,400 Hz

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Bit rates and sampling frequencies for 

MP3 files*

2

Bit rate: 32 - 320 kbps, VBR

Sampling frequencies: 16/22.05/24/32/44.1/

48 kHz

*

2

 The playback of MP3 files recorded using the 

IC recorder is also supported.  

Not all encoders are supported.

Bit rate and sampling frequencies*

3

 for 

WMA files

Bit rate: 32 - 192 kbps*

4

, VBR

Sampling frequencies: 44.1 kHz

*

3

 WMA Ver. 8 Class2A is compatible, however, 

MBR (Multi Bit Rate), Lossless, Professional, 

and Voice are not supported.

*

4

 The NoiseSubstitution function is not 

supported, therefore, playback becomes 

simple playback with 32 kbps bit rate.

Frequency range 

87.5 - 108 MHz 

IF 150 kHz

Antenna 

Headphone cord antenna