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Why Bluetooth Headsets Are Terrible on Windows PCs
https://www.howtogeek.com/354321/why-bluetooth-headsets-are-terrible-on-windows-pcs/#:~:text=When%20you%20need%20the%20microphone%2C%20they%E2%80%99ll%20use%20the,take%20a%20phone%20call%2C%20that%20might%20be%20fine.
18.04 - Very poor sound quality on HSP/HFP profile, BT ...
https://askubuntu.com/questions/1179965/very-poor-sound-quality-on-hsp-hfp-profile-bt-sony-headset
It seems the headset profile (HSP/HFP) defines at least 2 codecs, with 8KHz and 16KHz rates. Windows and Android can use 16KHz, whereas linux only uses 8KHz (and I assume a different compression, since lows are also terrible).
Why Bluetooth Headsets Are Terrible on Windows PCs
https://www.howtogeek.com/354321/why-bluetooth-headsets-are-terrible-on-windows-pcs/
When you need the microphone, they’ll use the headset profile or hands-free profile (HSP or HFP). This allows for both recording via the microphone and playback via the headphones, but the headphone sound quality is terrible when using HSP or HFP. If you’re just using a Bluetooth headset to take a phone call, that might be fine. If you want ...
Raspberry pi 4 HFP poor sound quality problem - Raspberry ...
https://forums.raspberrypi.com/viewtopic.php?p=1617025
Re: Raspberry pi 4 HFP poor sound quality problem Sun May 03, 2020 9:39 pm The problems seems to be related to the version HSP 1.7 (standard since 2011) which now uses 16KHz insted of 8KHz of sample rate, most of the new devices seems to work with 16KHz.
BT audio quality HSP/HFP vs A2DP / Multimedia and Games ...
https://bbs.archlinux.org/viewtopic.php?id=260513
A2DP audio quality is good, HSP/HFP works, but awful quality. I need some bcm firmware for the dongle on my desktop, but all is set up. Both connect fine/automatically and I can switch between the 2 profiles. The HSP/HFP is just so bad, everybody on a call with me points it out. And I can hear the difference as well.
Quick Guide to Bluetooth Profiles - HSP, A2DP, AVRCP, …
https://mobilityarena.com/bluetooth-profiles-protocols-hsp-a2dp-avrcp-hfp/
HFP (Hands Free Protocol) is a Bluetooth profile that enables a two-way wireless speaker-phone to be used with a Bluetooth phone, and is usually found in Bluetooth hands-free car kits. This is like a twin sister to HSP Bluetooth protocol and on its own supports mono audio. Advertisement. As a matter of fact, both HSP and HFP are the two most ...
HFP Device Startup - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/startup
The HFP Device startup topic discusses what happens when a Bluetooth hands-free profile (HFP) device arrives in the audio system. For each paired HFP device that arrives in the audio system, the Windows HFP driver registers a device interface in the GUID_DEVINTERFACE_BLUETOOTH_HFP_SCO_HCIBYPASS class.
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