Demonstration Functional Description (Stm32F479I-Eval And Stm32F469I-Disco); Modules; Audio; Figure 65. Audio Player Module Architecture - ST STM32CubeF4 User Manual

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Demonstration functional description (STM32F479I-EVAL and STM32F469I-DISCO)

9 Demonstration functional description
(STM32F479I-EVAL and STM32F469I-DISCO)
9.1

Modules

9.1.1

Audio

Overview
The audio player module provides a complete audio solution based on the STM32F4xx 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 8k to 96 k sampling
•
Embeds an equalizer and loudness control
• Performance: MCU Load < 5%
•
Audio files stored in USB Disk flash (USB High Speed)
• Support background mode feature
•
Only 8 Kbytes of RAM required for Audio processing
MP3 Format is not supported but can be easily added (separate demonstration)
Architecture and performance
Figure 65
the external components, while
shows the different audio player parts and their connections and interactions with

Figure 65. Audio player module architecture

DocID026161 Rev 4
Figure 66 details the mechanisms.
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