It could be due to a bug, because of Low Power Mode, involuntary change to Siri's voice settings, and more.
The answer is because of different codecs. A codec is how the computer compresses data to enable it to be sent efficiently over Bluetooth. In short a codec refers to how audio is sent to and from your AirPods. Different codecs compress data differently and as such have different trade-offs.
Why Does My Siri Sound Weird? Since the update to iOS 15, many users have noticed a change in Siri's voice and pitch. They believe the digital assistant has become very robotic, which is offputting at best.
Although Apple's AirPods Pro are a fantastic set of true wireless earbuds, it's become clear that the company had some problems with the first few batches to come off the assembly line, with some of the buds developing sound issues related to the Active Noise Cancellation feature.
Why Are My AirPods Making Weird High-Pitched Noises? If your AirPods don't have a good seal, the Active Noise CancellationActive Noise CancellationActive noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. feedback loop will try to compensate for the outside noise by actually being as loud as it can. This may sometimes lead to high-pitched noises.
AirPods-microphone input is the bad guy Underlaying reason for this is the Bluetooth protocol and a dynamic switch between the compression protocol changing from A2DP to HSP, downgrading the audio format to 16 kHz. This happens once the AirPods activate the audio input – or namely its microphone function.
4:126:06Up. It just sounds bad the reason your sound is distorted is because your volume is being amplifiedMoreUp. It just sounds bad the reason your sound is distorted is because your volume is being amplified louder when you use the audio from your cell. Phone. If you plug in earbuds. Or air pods.
4:126:06Up. It just sounds bad the reason your sound is distorted is because your volume is being amplifiedMoreUp. It just sounds bad the reason your sound is distorted is because your volume is being amplified louder when you use the audio from your cell. Phone. If you plug in earbuds. Or air pods.
When you hear your voice on a recording, you're only hearing sounds transmitted via air conduction. Since you're missing the part of the sound that comes from bone conduction within the head, your voice sounds different to you on a recording.
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While some of the sound is transmitted through air conduction, much of the sound is internally conducted directly through your skull bones. When you hear your own voice when you speak, it's due to a blend of both external and internal conduction, and internal bone conduction appears to boost the lower frequencies.
0:493:47Sometimes though for whatever reason air pods are going to tend to get clogged up and this is veryMoreSometimes though for whatever reason air pods are going to tend to get clogged up and this is very common for people who produce a lot of earwax. And what happens is that earwax. And other debris
If there's low volume in one AirPod Go to Settings > Accessibility > Audio/Visual > Balance, and make sure that the balance is set in the middle.
Other factors like dirt, dust, and debris that are stuck in the microphone slot can also cause occurrence of similar issue on the iPhone. Muffled sounds or no sound at all are the usual symptoms. To make sure this isn't what's giving you this headache, clean the microphone using a dry, unused toothbrush.
If your AirPods don't have a good seal, the Active Noise Cancellation feedback loop will try to compensate for the outside noise by actually being as loud as it can. This may sometimes lead to high-pitched noises. Some users suggested the issue could actually be a design problem.