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2.3.1 Audio
Audio supports WAV playback, voice recording, and other functions. Stereo data is converted to
monaural for output. Voice Recorder is an installed sound-related application.
- Play
KHz 8 11.02
5
12 16 22.05 24 32 44.1 48
Monaural O O O O O O O O O
Stereo O O O O O O O O O
Sampling
frequencies
Sampling frequencies other than those above are not supported
Stereo/ monaural 8bit or 16bit
In reality, the integrated monaural speaker does not output sound in stereo.
- Record
KHz 8 11.02
5
12 16 22.05 24 32 44.1 48
Monaural O O O O O O O O O
Sampling
frequencies
Sampling frequencies other than those above are not supported
Stereo/ monaural 8bit or 16bit
* Only monaural input via the microphone.
- Volume setting
The Control Panel Volume & Sounds can be used to set up sound volume in six levels from loud to
low, and mute ON/OFF. Refer to “3.4.1 Sound/ notification settings” for the Tools screen.
Setting can also be made from the application by using a system library.
For details, refer to the System Library Manual.
- Functions
No. Item Description
1 Audio ON/OFF The audio system can be disabled for power-saving control. This can be
set from a user application by API.
2
Virtual Off When the system has entered virtual off state, audio output requests are
ignored. Even the sound of ringing is muted. On restoration from the
virtual off state, audio output requests are accepted.
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