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Inquiries about spiritDSP

Inquiries regarding spiritDSP.We are implementing mp3 with DAC DMA using SpiritDSP.The time to play depends on the samplerate and bitrate of the mp3 file.The original time is 3 minutes and 10 seconds,The playback time is different as shown below.The ...

sbaek.11 by Associate II
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Starting to do some DSP with STM32F7Disco

Posted on February 01, 2018 at 12:55 Hi everyone: I am trying to build an audio effects processor on the STM32F7Discovery board. I am relatively new to this matter as I have never used a microcontroller before, and I am having a bit of trouble tr...

STM32F746 for dsp audio effects

Posted on November 25, 2017 at 17:09Hello everyone,a while ago I started looking into the STM32746 to test some DSP audio effects, but I don't have much experience with STM32 MCUs. I mainly had issues with sdram access (see https://community.st.com/...

ffr3akk by Associate II
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Play multiple Audio in one time [STM32f407xx]

Posted on September 09, 2015 at 10:05Hi guys, I am intend to using STM32f4 Discovery as sound board, the problem I am only able to play one audio in one time, I need 3 or 4 audio overlapping. is it possible to mix the audio buffer in firmware ? so ...

edward23 by Associate
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Audio input output to STM32F4

Posted on June 17, 2014 at 11:38hi everybody!I want to input two audio signals (electronics completed from mic to stm32f4, 1 analog pin and 1 ground) to the stm32f4. Then I want to mix the two audio signals with one signal at half volume and the oth...