Are you using Windows or Mac on that notebook?
It's a 2018-model HP SPECTRE x360 15T-DF0075NR with a 2019 Samsung 15.6" AMOLED display. The audio hardware it uses is the best I've heard as long as you don't use the Bang & Olufsen audio software features. This isn't a strictly Realtek audio interface. Here's the audio hardware in my laptop in case you'd like to identify it..
System Information>Components>Multimedia>Sound Device
Name Intel® Smart Sound Technology (Intel® SST)
Manufacturer Intel(R) Corporation
Status OK
PNP Device ID INTELAUDIO\CTLR_DEV_9DC8&LINKTYPE_02&DEVTYPE_01&VEN_8086&DEV_AE20&SUBSYS_8518103C&REV_0001\5&2E2007FD&0&0100
Driver C:\WINDOWS\SYSTEM32\DRIVERS\INTCDMIC.SYS (10.23.0.3672, 639.30 KB (654,640 bytes), 9/29/2022 6:48 AM)
Name Intel(R) Display Audio
Manufacturer Intel(R) Corporation
Status OK
PNP Device ID INTELAUDIO\FUNC_01&VEN_8086&DEV_280B&SUBSYS_80860101&REV_1000\4&399645E9&0&0201
Driver C:\WINDOWS\SYSTEM32\DRIVERSTORE\FILEREPOSITORY\INTCDAUD.INF_AMD64_D148A0EF920E06C0\INTCDAUD.SYS (10.27.0.8, 343.06 KB (351,296 bytes), 9/29/2022 6:40 AM)
Name Realtek High Definition Audio
Manufacturer Realtek
Status OK
PNP Device ID INTELAUDIO\FUNC_01&VEN_10EC&DEV_0285&SUBSYS_103C8518&REV_1000\4&399645E9&0&0001
Driver C:\WINDOWS\SYSTEM32\DRIVERS\RTKVHD64.SYS (6.0.1.8668, 6.48 MB (6,794,528 bytes), 9/29/2022 6:47 AM)