To help product developers exploit the full potential of its STM32 microcontrollers in portable and home audio products, STMicroelectronics has teamed up with audio experts Spirit DSP to provide no-charge access to professionally developed audio software that delivers better features and performance than typical open-source alternatives.
The STM32 Spirit Audio Engine delivers features such as a high-quality codec, rich audio system features, low memory usage, long battery life and full technical support. These advantages typically differentiate professionally developed plug-and-play solutions from open source software. Moreover, the audio engine is optimised for ST’s advanced STM32 microcontroller architecture, and therefore leaves more processing and memory resources available for higher-level functions specific to the developer’s application. The audio engine will be particularly powerful when used with STM32 Connectivity Line MCUs, which provide two audio-class I2S ports enabling synchronised data transfers, and also support USB2.0 OTG, Ethernet and CAN communications with connected equipment.
Other features common to all STM32 microcontrollers, which help boost the performance of audio devices, include up to 1 MByte of on-chip Flash memory, up to 12 DMA channels, advanced power management enabling longer battery life, and complete compatibility between pins and software across all devices.
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