Audio Recorder; Figure 103. Audio Recorder Module Architecture - ST STM32CubeF4 User Manual

Demonstration functional description (STM32F412GDISCO)
10.1.2

Audio recorder

Overview
The audio recorder module can be used to record audio frames in WAV format, save them in
the storage unit, and play them later.
Features
•
Audio Format: WAV format without compression with 16 k sampling stereo
•
Recorded files stored in SD Card
•
Embeds quick audio player
•
Only 8 Kbytes of RAM required for audio processing
The MP3 format is not supported, but can be easily added (separate demonstration).
Architecture
Figure 103
with the external components.
102/111
shows the different audio player modules, and their connections and interactions

Figure 103. Audio recorder module architecture

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