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Audio software codec for the STM8S - …
https://www.st.com/resource/en/application_note/cd00262888-audio-software-codec-for-the-stm8s-stmicroelectronics.pdf
Application note Audio software codec for the STM8S Introduction This application note describes a simple and easy-to-use solution to help design and develop products with an audio output, for example, toys, white goods, washing machines, and alarms. Audio data generally require the storage of a lot of memory. However, the memory space
Common Noise Issues in Audio Codecs
https://www.ti.com/lit/an/slaa749/slaa749.pdf
Common Noise Issues in Audio Codecs Application Report SLAA749–July 2017 Common Noise Issues in Audio Codecs Luis Fernando Rodríguez S. ABSTRACT This application note describes methods that can be used to improve noise performance in systems using audio codecs. Noise is present in all circuit board systems; however, common design practices ...
AN3997 Application note - STMicroelectronics
https://www.st.com/resource/en/application_note/dm00040802-audio-playback-and-recording-using-the-stm32f4discovery-stmicroelectronics.pdf
This application note describes the audio (wave) playback and recording application based on the STM32F4xx microcontroller and the STM32F4-DISCOVERY board. The audio data (wave) can be read from the internal Flash memory of the STM32F4xx
Application Note - NXP
https://www.nxp.com/docs/en/application-note/AN12202.pdf
This module is highly-configurable and allows users to process audio in different audio format such as I2S, Codec/DSP and TDM. This application note is focused on providing an overview, module explanation and use-case implementation in different audio formats for SAI module. 2. Audio bus topology.
Interfacing an STM32L1xx microcontroller with an …
https://www.st.com/resource/en/application_note/dm00087544-interfacing-an-stm32l1xx-microcontroller-with-an-external-i2s-audio-codec-to-play-audio-files-stmicroelectronics.pdf
Application note Interfacing an STM32L1xx microcontroller with an external I2S audio codec to play audio files. Introduction. This application note describes how to use the STM32L1xx I. 2. S feature to play audio files using an external codec (reference STSW-STM32135). The I. 2. S protocol is widely used to transfer audio data from a microcontroller/DSP to an
AN4453 Application note - ST
https://www.st.com/resource/en/application_note/dm00109192-implementing-the-adpcm-algorithm-in-stm32l1xx-microcontrollers-stmicroelectronics.pdf
This application note describes a simple and easy-to-use solution to facilitate design and development of products with an audio output. Audio data usually are very demanding in terms of memory storage, the needed memory space can be reduced by compressing the audio data via a specified compression method.
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