UM2222 Rev 2 39/76
UM2222 Functional description of STM32H743I-EVAL, STM32H747I-EVAL and STM32H747I-DIS-
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8 Functional description of STM32H743I-EVAL,
STM32H747I-EVAL and STM32H747I-DISCO
demonstration modules
8.1 STemWin
8.1.1 Audio player
Overview
The audio player module provides a complete audio solution based on the
STM32H7
Series, and delivers a high-quality music experience. It supports playing music in
WAV format but may be extended to support other compressed formats such as MP3 and
WMA audio formats.
Features
• Audio format: WAV format without compression with 8 k to 96 k sampling
• Embedded equalizer and loudness control
• Performance: MCU Load < 5 %
• Audio files stored in SD card or USB storage
• Only 8-Kbyte RAM required for audio processing
Note: MP3 format supported only by STM32H747 EVAL and Discovery boards.
Architecture
Figure 23 shows the different audio player parts and their connections and interactions with
the external components.
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