3
According to the official schematics of the Raspberry Pi 4 the configuration is:
Sleeve - Composite video (Testpint TP24)
Ring 2 - Ground (TP7, TP8, TP9, among others)
Ring 1 - Audio-Right (TP23)
Tip - Audio-Left (TP22)
(source)
Incidentally the configuration is identical to the Pi 3 models.
Side note, the preliminary Raspberry Pi 4 Model B datasheet ...
3
The 3.5 mm jack is an analog output, it doesn't recognize anything. If you are having trouble getting sound out of it, the first thing to try is forcing audio out to the 3.5 mm jack with raspi-config.
In raspi-config, go to advanced, then audio, then select Force 3.5mm ('headphone') jack.
1
You need to create a file ~/.asoundrc with the following content:
pcm.!default {
type plug
slave {
pcm {
type bluealsa
device <MAC>
profile "a2dp"
}
}
hint {
show on
description "BEATS"
...
1
Thank you to everyone who tried to help me.
I figured it out on my own. (Or I guess you could say with CoderMike's help)
So what was the problem you may ask?
It was not with my program.
It was not with the players (ffplay, omxplayer, or whatever)
It was with the program I used to sync my music from google drive to the pi.
It corrupted the mp3 files.
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