Name: Playing Audio on a SoC DAC Output With Zephyr - Eve Redero, Redero Tech
Start: 2026-10-09T09:50:00+0200
End: 2026-10-09T10:20:00+0200

7-9 October, 2026
Prague, Czechia
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Playing Audio on a SoC DAC Output With Zephyr - Eve Redero, Redero Tech

Friday October 9, 2026 09:50 - 10:20 CEST

South Hall 2 B (Floor 2)

Some SoCs have an embedded DAC peripheral, which allow to play low or medium resolution audio with minimal electronics, no advanced I2S external codec required.

In this talk, I present a list of ingredients required to make an acceptable audio output:
- The DAC: what it is, how it is different from PWM audio output or I2S peripherals
- DMA, your DAC’s best friend, to run continuously and without drops
- Debug something fast and real-time thanks to tracing

Then I will discuss implementation, with the codec subsystem. Example platform will be ST STM32F7 and Atmel ATSAM3X8E.

Finally, if nothing crashes or burn in the meantime, I will give a demonstration.

Speakers

Eve Redero

Senior Electronics Engineer, Redero Tech

I have worked as an electronics and embedded systems engineer for about 10 years, mostly in consumer electronics companies. My skills set includes board design, low-level firmware development, and a bit of knowledge about board production and testing. I usually work for tech companies... Read More →

Friday October 9, 2026 09:50 - 10:20 CEST
South Hall 2 B (Floor 2)

Zephyr Developer Summit

Audience Experience Level Beginner

OSS + ELC EU 2026

Eve Redero

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OSS + ELC EU 2026

Eve Redero

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