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TL;DR: USB-C AirPods Pro support lossless audio with the upcoming Vision Pro headset due to the 5GHz band support in their H2 chip. The previous version only had 2.4GHz.

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[-] zenith391@lemm.ee 5 points 11 months ago

I think you meant 2.4GHz instead of 2.4kHz, and I think it can transmit a tad more than that given that Wi-Fi 2.4GHz had much more bandwidth than 1Mbit/s.

[-] lazyvar@programming.dev 9 points 11 months ago

I’m not sure if you’re serious or trying to be sarcastic.

Bluetooth and WiFi are two different things.

For starters standard Bluetooth operates on 1MHz wide channels, BLE on 2MHz wide channels, whereas WiFi (nowadays) operates on 20 or 40 MHz wide channels.

Modern Bluetooth (on 2.4Ghz) can theoretically do bursts of 2Mbps, but in practice even 1Mbps is hard to hit in a sustained fashion.

2.4Ghz is just a frequency band and is not the same as bandwidth.

You might as well argue that a pickup truck and a formula 1 race car should be able to reach the same top speed in the same time because their wheel distance is the same.

I think […]

Think again

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this post was submitted on 22 Sep 2023
114 points (96.7% liked)

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