A2DP -> MP3 Encoder -> USB Storage Class : (Bluetooth/USB mp3 dongle) with ESP32

[demon740]

there are some USB/Bluetooth dongles that you can connect to them as Bluetooth audio and the stream the audio as a mp3 file on the USB flash.
these devices are very simple. they are like a simple USB disk and you can connect them to all mp3 compatible players and make them as a Bluetooth player, but all of them (that I have tested) have a big delay (about 20-30 sec) and many other bugs.

I know that some of ESP32's have USB Storage Class feature.
I think is a great project to have all of these libs (A2DP, MP3 Encoder, USB Storage class) together.
thanks

[pschatzmann]

I don't see how the USB Storage Class would be of any value for audio...
So, I am not sure if I understand you correctly. Or do you mean the same like this ?

[demon740]

very thanks for your replyImagine a USB flash that contains a mp3 file and you can play it for example with a car audio player.imagine that the content of the mp3 file is dynamically encoded from another source of audio (for example a Bluetooth connection or an aux input).this device is useful for adding audio Bluetooth feature to an audio player that just can play mp3 file (USB flash disk) and has not aux input. I already have two of these devices but they have BIG delays and sometimes the sound is skipped or plays faster.I thought we can use these libraries on ESP32 module: Bluetooth AD2P + Mp3 Encoder + USB Mass Storage Class   thanks for your guidance.

[pschatzmann]

Would you know if your car radio supports wav files ?
I expect with A2DP there is not enough PROGMEM and RAM to support any other decoder...

[demon740]

many of USB audio players, support PCM WAV file either.I think, it could be fine. On Thursday, January 12, 2023 at 08:12:46 PM GMT+3:30, Phil Schatzmann ***@***.***> wrote: Would you know if your car radio supports wav files ? I expect with A2DP there is not enough PROGMEM and RAM to support any other decoder... — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***>