ST AN2812 Application note Vocoder demonstration using a Speex audio codec on STM32F101xx STM32F103xx microcontrollers handbook

Update: 30 September, 2023

This application note describes how to implement the Speex software codec on the STM32F101xx and STM32F103xx microcontrollers to build a vocoder application. Speex is a free audio codec dedicated to speech encoding and decoding. It provides a high level of compression with a good quality of sound. That makes it a high-performance solution for any application using message playback or a voice recorder, like answering machines, building and home safety systems, intercoms, smart appliances, voice recorders or walkie-talkies.

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MD5 Checksum: 48A65265E30B98ACA889B70FFCDD3D46

Publication date: 07 August, 2012

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PDF Link: ST AN2812 Application note Vocoder demonstration using a Speex audio codec on STM32F101xx STM32F103xx microcontrollers handbook PDF