TITLE: Realtek HD Audio Driver
VERSION: 15.9585.9467.85 REV: N PASS: 5
DESCRIPTION:
This package contains the driver that enables the Realtek High-Definition (HD)
Audio in supported computer models that are running a supported operating
system.
PURPOSE: Routine
SOFTPAQ NUMBER: sp149645
SOFTPAQ FILE NAME: sp149645.exe
SOFTPAQ MD5: eb03fd658c4bbf6281f8311e9755e5e2
SUPERSEDES: sp148936
EFFECTIVE DATE: October 17, 2023
CATEGORY: Driver-Audio
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP ZBook Fury 17.3 inchG8 Mobile Workstation PC
HP EliteBook 830 G8 Notebook PC
HP ZHAN 66 Pro A 14 G4 Notebook PC
HP Elite Dragonfly G2 Notebook PC
HP ZBook Power 15.6 inch G8 Mobile Workstation PC
HP ProBook 455 G8 Notebook PC
HP ZBook Studio 15.6 inch G8 Mobile Workstation PC
HP EliteBook 840 Aero G8 Notebook PC
HP EliteBook x360 1030 G8 Notebook PC
HP Elite x2 G8 Tablet
HP ZBook Firefly 14 inchG8 Mobile Workstation PC
HP ProBook 445 G8 Notebook PC
HP EliteBook 850 G8 Notebook PC
HP ProBook 635 Aero G8 Notebook PC
HP ProBook 630 G8 Notebook PC
HP Elite Dragonfly Max Notebook PC
HP ProBook 430 G8 Notebook PC
HP EliteBook 855 G8 Notebook PC
HP EliteBook 845 G8 Notebook PC
HP ZHAN 66 Pro 14 G4 Notebook PC
HP ZBook Fury 15.6 inchG8 Mobile Workstation PC
HP EliteBook 840 G8 Notebook PC
HP ProBook 440 G8 Notebook PC
HP EliteBook 835 G8 Notebook PC
HP ProBook 650 G8 Notebook PC
HP EliteBook x360 830 G8 Notebook PC
HP EliteBook x360 1040 G8 Notebook PC
HP ProBook 450 G8 Notebook PC
HP ProBook 640 G8 Notebook PC
HP ZBook Firefly 15.6 inchG8 Mobile Workstation PC
HP ProBook x360 435 G8 Notebook PC

OPERATING SYSTEM(S):
Microsoft Windows 10 version 21H1 (64-bit)
Microsoft Windows 10 version 21H2 (64-bit)
Microsoft Windows 10 version 22H2 (64-bit)
Microsoft Windows 11 version 21H2 (64-bit)
Microsoft Windows 11 version 22H2 (64-bit)
Microsoft Windows 11 version 23H2 (64-bit)
Microsoft Windows 11 version 24H2 (64-bit)

LANGUAGE(S): Global

ENHANCEMENTS:
- Includes the following drivers:
AMD Audio CoProcessor Driver, version 6.0.0.71
Fortemedia Audio Effects Component Driver, version 12.1.6003.5924
Intel Smart Sound Technology BUS Driver, version 10.29.00.9467
Intel Smart Sound Technology for Bluetooth Audio, version 10.29.00.9467
Intel Smart Sound Technology for USB Audio, version 10.29.00.9467
Realtek Audio Driver, version 6.0.9585.1
Sound Research Audio Effects Component Driver, version 2.0.11.38
FIXES:
- Fixes Narrator app-related functions on the HP Audio Control.
- Fixes Realtek and Sound Research handle leaks.
- Fixes an issue that occurs when the Sound Calibration page under the HP Audio
Control App is used which causes a test window to be displayed after deselecting
the notify me box.
- Fixes an issue where the microphone does not function properly with PowerPoint
365 subtitles.
- Fixes an issue which causes Windows update to stop functioning with the
Realtek Driver and Intel Smart Sound Technology Driver.
PREREQUISITES: NONE
HOW TO USE:
1. Download the file by clicking the Download or Obtain Software button and
saving the file to a folder on your hard drive (make a note of the folder where
the downloaded file is saved).

2. Double-click the downloaded file and follow the on-screen instructions.

Copyright (c) 2025 HP Development Company, L.P.