A2DP Media Codec Selection Sound Sampling Bit Selection.

[yhtname]

Thanks to the work, I have created a Bluetooth audio decoder using the ESP-A2DP, which uses I2S for output.
The difficulty I'm having is that the audio decoding format is SBC 16 bit, which causes some loss of sound quality.
I would like to ask if there is any way to set it to SBC 24 bit?

In esp_a2dp_api.h you can also find

#define ESP_A2D_MCT_SBC (0) /! < SBC /
#define ESP_A2D_MCT_M12 (0x01) /! < MPEG-1, 2 Audio / #define ESP_A2D_MCT_M12 (0x01) /!
#define ESP_A2D_MCT_M24 (0x02) /! < MPEG-2, 4 AAC / #define ESP_A2D_MCT_M24 (0x02) /!
#define ESP_A2D_MCT_ATRAC (0x04) /! < ATRAC series / #define ESP_A2D_MCT_ATRAC (0x04) /!
#define ESP_A2D_MCT_NON_A2DP (0xff) /!

Does this mean that the Bluetooth decoder supports AAC, and by what means is it set to AAC mode? This would give a big boost

Thanks for help!

[pschatzmann]

No, this is not supported by Espressif, so this is not available in Arduino!