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STMicroelectronics and DSP Concepts Release Advanced Audio Design Tool
ST-AudioWeaver for STM32 Microcontrollers simplifies development of embedded audio applications
Small electronic products like wearables and IoT devices can now provide high-end audio features,
including advanced aural user interfaces, thanks to a new easy-to-use graphical design tool
for STM32™ microcontrollers from STMicroelectronics.
ST has worked with DSP Concepts, creator of the Audio Weaver design suite,
to present a free version of the tool - ST-AudioWeaver - for developers using
its 32-bit ARM® Cortex®-M based STM32 microcontrollers.
Audio Weaver enables product designers to build complex digital audio applications without coding.
Developers simply choose the required audio modules from a library, connect them graphically,
and adjust them by live-tuning on the target hardware. Examples are included, which accelerate learning and
help jump-start new projects.
“DSP Concepts has created a high-end audio-development experience for the embedded domain.
ST-AudioWeaver now gives our customers preferential access to help them make the most of the
audio capabilities of STM32 MCUs, which complement the outstanding features and
power efficiency for IoT applications,” said Daniel Colonna,
Marketing Director, Microcontroller Division, STMicroelectronics.
Additional Technical Information:
ST-AudioWeaver contains a library of 160 royalty-free digital audio-processing modules,
including versatile and powerful filtering, array-processing and noise-cancelling modules
that can make voice-recognition systems far more effective. The Audio Weaver Designer PC GUI is
also included free of charge, which lets developers configure the modules and
do fine-tuning in the GUI or on prototype hardware. This creates a customized audio-processing engine
that runs directly on the production embedded system with no further tailoring required.
Users are also free to take advantage of DSP Concepts’ commercial offers to scale and
upgrade ST-Audio Weaver, for example by adding further audio modules or MATLAB® API support.
STM32 microcontrollers are ideal for use in IoT and wearable devices, with rich and
efficient features for user-interface management, networking, control, and sensor fusion.
Over 700 different variants give versatile choices in terms of performance, pin-count and
feature integration. The pin-, software- and peripheral-compatible devices also offer
convenient scalability, and all benefit from cutting-edge energy efficiency leveraging the
ARM® Cortex®-M core architecture. Special ultra-low-power technologies
in the STM32L4 series go even further to save energy and maximize the runtime of
small battery-operated or self-powered devices.
Plentiful audio features add to the STM32 credentials as the reference microcontroller family
for IoT applications, and include peripherals such as I2S and S/PDIF digital audio interfaces,
and a DFSDM input that streamlines acquisition of MEMS-microphone signals and
is ideal for voice-command applications. The DSP core extensions of the STM32F4, STM32L4, and STM32F7,
which are the series currently supported in ST-AudioWeaver, enable a single-chip solution
capable of high-performance audio processing, which would otherwise require a separate DSP co-processor.
The company's Web site address is www.st.com.
[Reprinted with kind permission from STMicroelectronics - Release Date 13th March, 2017]