Raw Audio Programming

Hananto Herlambang

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Nov 2, 2016, 11:42:54 AM11/2/16

to BareMetal OS

Dear all,

I am looking for C/ASM audio programming example for BMOS. Is there any API like sndio (OpenBSD) for BMOS?

My simple application would be:

1. Take raw audio for example 44100hz/16-bit/lsb/signed

2. Output to speaker.

I appreciate any help you could give me.

Best Regards,

Hananto Herlambang

Ian Seyler

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Nov 2, 2016, 11:52:23 AM11/2/16

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Hello Hananto,

The issue here would be how the IO to the sound device/speaker is handled as there are no audio drivers for the OS.

-Ian

Hananto Herlambang

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Nov 3, 2016, 2:59:43 AM11/3/16

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Hi Ian,

Thank you for the explanation.

Best Regards

Benjamin Scherrey

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Nov 3, 2016, 3:03:10 AM11/3/16

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You would need to get the specs on your audio board and code directly to that. USB devices can be un-fun because the USB standard is so complex. I'm not sure if BareMetal has any USB support yet but that might be something worth doing.

-- Ben Scherrey

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