Distorted audio occurs when connected to different types of devices

[skyycode-0]

Currently, I am running an ESP32 as an A2DP sink, playing audio from either a laptop or phone.
I determined that whenever I get distorted or "sped-up / slowed-down" sounding audio is due to the sample rate of either device varying from the one I set in code is.
In my testing, my Windows 11 laptop sends audio data at 48kHz, while my phone sends at 44.1kHz.
My use case needs that the speaker can just play audio regardless of sample rate, and there doesn't seem to be a way to change an already set AudioInfo variable when configuring the A2DP sink.

Anyone have an idea on how to solve this?

[pschatzmann]

There are many ways to deal with this:

• don't change the sample rate yourself. If you connect the I2SStream the A2DPSink the correct sample rate should be set up automatically.
• Wait for A2DP to be connected before setting up or changing I2S. After hat you can get the real sample rate from the API.
• Use the set_sample_rate_callback() callback to be notified about sample rate changes and call setAudioInfo on i2s.
• Use the set_on_connection_state_changed() callback to be notified when the sample rate is available to call setAudioInfo on i2s.

[skyycode-0]

Tried some of the ways you suggested and, using set_sample_rate_callback() worked! I just needed to declare the variable responsible for getting the sample rate in the callback so that the latest sample rate can be acquired from the host device. Thanks, Phil.