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HFP Device Startup - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/startup
The audio driver can retrieve static information from the HFP driver. For example, the HFP driver can provide the ksnodetype, the container id and the friendly name of the paired HFP device. The audio driver can use this information to create and initialize a KS filter or filters representing the paired HFP device.
HFP Device Connection - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/hfp-device-connection
The HFP Device connection topic discusses how the audio system determines and handles connection status information for a Bluetooth hands-free profile (HFP) device. As required for all audio drivers, the audio driver must support KSPROPERTY_JACK_DESCRIPTION. The audio driver maintains an IsConnected field in the filter factory context.
Bluetooth HFP DDI Reference - Windows drivers | …
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/bluetooth-hfp-ddi-reference
Windows 8 has introduced the GUID_DEVINTERFACE_BLUETOOTH_HFP_SCO_HCIBYPASS class, with interfaces that implement I/O control codes (IOCTLs) and structures for the Hands-free profile (HFP) bypass audio driver. For each HFP on a paired Bluetooth device the HFP driver registers an interface in this class.
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 …
HFP definition (Phone Scoop)
https://www.phonescoop.com/glossary/term.php?gid=318
HFP (Hands-Free Profile) A Bluetooth profile (mode) designed to enable a two-way wireless speaker-phone to be used with a Bluetooth phone. Although it can be used with a desktop speaker-phone...
Stream audio over Bluetooth Hands-Free (HFP) | Bluetooth ...
http://bluetoothstreamerpro.com/about/
IMPORTANT NOTE: The audio is streamed to the car stereo (or other HFP device) through a protocol normally used for voice (phone calls). Therefore, the audio frequency range output will not be the same as using A2DP protocol. This is a limitation of …
AN992: HANDS-FREE AND HEADSET PROFILES
https://www.silabs.com/documents/public/application-notes/AN992.pdf
The HFP defines two roles, that of an Audio Gateway (HFP-AG) and a Hands-Free unit (HF): • HFP Audio Gateway (HFP-AG) is the device that is the gateway of the audio, both for input and output, typically a mobile phone. • Hands-Free Unit (HF) is the device acting as the Audio Gateway’s remote audio input and output mechanism.
Developing Bluetooth Audio Devices - Silicon Labs
https://www.silabs.com/documents/login/presentations/Developing-Bluetooth-Audio.pdf
•Hands-Free Profile (HFP) • Enables voice transmission from for example a mobile phone to a wireless headset • Audio transmitted over a synchronous SCO channel and a separate data channel used for controlling the audio stream (AT commands) •Features
List of Bluetooth profiles - Wikipedia
https://en.wikipedia.org/wiki/List_of_Bluetooth_profiles
The Audio/Video Remote Control Profile (AVRCP) is often used in conjunction with A2DP for remote control on devices such as headphones, car audio systems, or stand-alone speaker units. These systems often also implement Headset (HSP) or Hands-Free (HFP) profiles for telephone calls, which may be used separately.
Bluetooth version and profile support in Windows 10 ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/general-bluetooth-support-in-windows
Generic Audio/Video Distribution Profile (GAVDP 1.2) Hands-Free Profile (HFP 1.6) Hardcopy Cable Replacement Profile (HCRP 1.2) HID over GATT Profile (HOGP 1.0) Human Interface Device (HID 1.1) Human Interface Device Service (HIDS) Interoperability (IOP) Logical Link Control and Adaptation Protocol (L2CAP) Object Push Profile (OPP 1.1)
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