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The AAC codec is normally used when just listening to playback on the AirPods. This is supposedly "expected behaviour" when trying to use the AirPods and other Bluetooth headsets together with a computer, according to Apple. ExplanationĪpple claims that the poor Mono 8kHz quality which affects recording and indeed simultaneously playback on Mac when the AirPod microphones are activated, is because the SCO codec then gets employed over the entire Mac audio system. OP here – I'd just like to add to the answer below, that I've been in contact with Apple Support. I had to attempt AirPod unpair/re-pair, and even a charging case reset to fix the latter situation. Output quality drops from the standard 2 ch 24-bit Integer 44.1 kHz → 1 ch 16-bit Integer 8.0 kHz.ġ It has happened that the Mac got permanently stuck in low quality until system reboot, or even whenever the AirPods were connected afterwards. I have tried resetting the Mac Bluetooth interface, tried resetting the AirPods, and so forth.įYI: Using the macOS native application Audio MIDI Setup, I attempted to observe what's happening when AirPod recording is activated. I don't have this problem when using the AirPods with an iPhone. I have this issue with several Macs of various recent models. The thread offers possible explanations but no definitive solution or suggested course of action. The issue appears to be identical to the one discussed in this Apple Support Forum thread. Any mic audio recorded to a file will however be in the poor quality which is why I interpret the issue to affect both recording and playback qualities.

After the recording is done, audio playback quality usually goes back to normal 1. When activating the mic to record audio, it seems that both the recording quality AND audio playback quality severely drops to a substandard level (Mono 8.0 kHz).įor example, if I invoke Siri on the Mac, whatever is being said and recorded by me, AND the Siri/Mac/AirPod audio response will be in poor quality. Ever since I purchased the AirPods (1st Generation), they demonstrate extremely poor quality while activating the AirPod mic, whilst they are connected to a Mac.