STMicroelectronics STM32100B-EVAL, User Manual

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Running the demonstration UM0891
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Figure 19. Last presentation slide
Product presentation speech
The STM32100B-EVAL features an external audio amplifier used to play speech audio files
through the embedded speaker or headphone.
The properties of the product presentation speech wave file are the following:
●
Playing time: 6 min 16s
● File size: 3 014 752 bytes
●
Format tag: PCM
● Channels: Mono
●
Sample rate: 8 kHz
● Bits per sample: 8 bits
If the wave file of the promotion presentation speech is not loaded in the dedicated memory,
the message shown in
Figure 20 is displayed on the LCD screen.
Figure 20. No loaded wave file
To stop the product presentation slide show and speech, push the SEL push-button. The
message shown in
Figure 21 is displayed.
End of slide show
Click to exit
ERROR: No Wave File
Press joystick to
exit...