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Date: 29-09-01

Audio engine from ST for STM32 MCUs

In order to sharpen audio in portable and home audio products using ST's STM32 microcontrollers, STMicroelectronics in cooperation with Spirit DSP will provide no-charge access to professionally developed audio software that ST claims delivers better features and performance than typical open-source alternatives.

ST says its STM32 Spirit Audio Engine delivers high-quality codec, rich audio-system features, low memory usage, long battery life and full technical support. The STM32 Spirit Audio Engine is optimized for ST’s STM32 microcontroller architecture. The Audio Engine will be used with STM32 Connectivity Line microcontrollers, which provide two audio-class I2S ports enabling synchronized data transfers, and also support USB2.0 OTG, Ethernet and CAN communications with connected equipment.

Other features common to all STM32 microcontrollers such as up to 1Mbyte of on-chip Flash memory, up to 12 DMA channels, advanced power management for longer battery life, and compatibility between pins and software across all devices also enable better audio.

“Spirit DSP’s audio expertise is well recognized among software specialists, system vendors and IC manufacturers,” said Michel Buffa, General Manager of ST’s Microcontroller Division. “Our customers can now access the benefits of that expertise without charge, combined with the advanced performance, features and scalability inherent in the STM32, to deliver innovative, highly featured products to market quickly and at competitive prices.”

The STM32 Spirit Audio Engine includes:
Audio Decoders
MP3 encoder
MP3 decoder with built-in equalizer
WMA decoder with built-in equalizer
Audio Utilities
Loudness control
Three-band parametric equalizer
Channel mixing

Availability: Now

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