What is the configuration of the combined analogue audio and composite video 3.5mm jack on a Raspberry Pi 4?
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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 states that:
The analog audio output can drive 32 Ohm headphones directly.
Ghanima
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It will not improve the quality of the audio output compared to RPi 3 models? – Ingo Jun 25 '19 at 21:57
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@Ingo, it looks pretty much the same. So I would guess it to be of similar quality. – Ghanima Jun 25 '19 at 21:59