Olympus DM-4 Manuale Utente

The recorder can record in the linear PCM 

format. High resolution recording at a high 

sampling rate and high bit rate equivalent 

or superior to that of a music CD is possible. 

Moreover, it also supports the MP3 and 

WMA formats.

[PCM]:

    This is an uncompressed audio format  

  which is used for music CDs and the like.

[MP3]:

    MPEG is the international standard  

  established by a working group of  

  the ISO (International Organization for  

  Standardization).

[WMA]:

    This is an audio compression 

  encoding method that was  

  developed by the Microsoft    

  Corporation in the US.

  [48kHz/16bit] or [44.1kHz/16bit]

  [320kbps] to [128kbps]

  [ST XQ], [ST HQ], [ST SP], [HQ], [SP], [LP]

•  To record a meeting and lecture clearly, set 

other than [LP] in Rec Rate.

•  When the external monaural microphone 

is used while [Re

c Mode] is set to a stereo 

recording mode, it enables recording only 

with the L channel microphone.

G

Microphone sensitivity is adjustable to meet 

recording needs.

[High]:

    Highest recording sensitivity suitable  

  for conferences with large crowds  

  and recording audio at a distance or  

  low volume.

[Middle]:

    Suitable for recording meetings and  

  seminars with a small number of  

  people.

[Low]:

    Lowest recording sensitivity suitable  

  for dictation.

•  When you would like to clearly record 

a speaker’s voice, set [Mi

c Sense] to 

[Low] and hold recorder’s built-in stereo 

microphone close to the speaker’s mouth 

(5-10 cm) before recording.

You can set the device to automatically or 

manually adjust the recording level.

[Manual]:

    Recording is performed by manually  

  adjusting the recording level.

[Auto]:

    Recording is performed by    

  automatically adjusting the recording  

  level. This is useful for when you will  

  be recording right away.