TITLE: Realtek HD Audio Driver
VERSION: 22.9545.9467.72 REV: N PASS: 5
DESCRIPTION:
This package contains the driver that enables the Realtek High-Definition (HD)
Audio in supported computer models using a supported operating system.
PURPOSE: Routine
SOFTPAQ NUMBER: sp148533
SOFTPAQ FILE NAME: sp148533.exe
SOFTPAQ MD5: c3f33281adc1bdd4b73bef3224837690
SUPERSEDES: sp146026
EFFECTIVE DATE: July 27, 2023
CATEGORY: Driver-Audio
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP Elite x360 830 13 inch G9 Notebook PC
HP EliteBook 830 13 inch G9 Notebook PC
HP EliteBook 840 14 inch G9 Notebook PC
HP EliteBook 1040 14 inch G9 Notebook PC
HP Elite x360 1040 14 inch G9 Notebook PC
HP EliteBook 860 16 inch G9 Notebook PC
HP ZBook Firefly 14 inchG9 Mobile Workstation PC
HP ZBook Firefly 16 inchG9 Mobile Workstation PC

OPERATING SYSTEM(S):
Microsoft Windows 10 version 20H2 (64-bit)
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)

LANGUAGE(S): Global

ENHANCEMENTS:
- Provides the updated driver.
- Optimizes the Intel full speed device detection mechanism.
- Updates the Sound Research CLSID (class ID).
- Updates the miniport drivers, including the HDA codec driver and the Intel SST
miniport driver for USB offload and Bluetooth offload.

- Includes the following drivers:
AMD Audio CoProcessor, version 6.0.0.71
Cirrus Logic Awesome Speaker Amps, version 2.4.49.895
Fortemedia Audio Effects Component, version 12.1.6003.5923
Intel Smart Sound Technology BUS, version 10.29.00.9467
Intel Smart Sound Technology for USB Audio, version 10.29.00.9467
Intel Smart Sound Technology for Bluetooth Audio, version 10.29.00.9467
Realtek Audio, version 6.0.9545.1
Sound Research Audio Effects Component, version 2.0.11.26
FIXES:
- Fixes an issue where audio is not produced through a wireless headset.
- Fixes an issue where Windows 11 Modern Standby does not function properly.
- Fixes an issue where HP Audio Control app does not function properly with
Sound Research and Realtek controllers.
- Fixes an issue where using the Sound Research driver causes the system to stop
functioning.
- Fixes an issue where Windows Update does not update the AMD Audio Coprocessor.
- Fixes a memory leak in SECOMN64.exe.
- Fixes an issue where audio stops functioning when audio is streaming from one
audio endpoint while Intel Smart Sound Technology audio drivers for the
remaining endpoints are being updated through Windows Update.
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) 2023 HP Development Company, L.P.