Syncing by resampling / sample insertion

[CarlosDerSeher]

I talked to the developer of arduino snapclient and he keeps the sync by resampling. I like the concept very much but couldn't find an easy way to do it in C on the esp32. We can't use ADF because of closed source flac used by their lib.

Any ideas?

[DerPicknicker]

Dumb question:

Copy the method of the Arduino code. If the license matches? Why not. your code is GPL3 so for business purposes it’s not an option.

I don’t see any problems.

Could you be a little more precise what do you exactly mean with re-sample? Does the DSP-Library of espressif offer such a functionality?

[CarlosDerSeher]

@DerPicknicker
I've pushed a new branch 1e3bda9

Where I've implemented a different syncing approach. It's still experimental, maybe you are willing to test

[DerPicknicker]

@CarlosDerSeher ... Yeah I will test it. But it will take some time. First I want to finish the TAS5805M driver and then I will try it.

Does it use IDF5 or 4..?

[CarlosDerSeher]

V5

[DerPicknicker]

I will try it next week. I am really busy these days.

What's your impression about the re-sampling in comparison to the old implementation?

[CarlosDerSeher]

It's actually not resampling but I take the first sample of the chunk and insert it additionally to the actual chunk or I remove the last sample of the chunk to keep up sync. Not sure yet if these artifacts are audible or not though