Buzzing noise HDMI output Windows 7

Majstang · 10-12-2009, 07:03 AM

Hi!

When outputting sound from HDMI to my TV i get a quite loud buzzing noise with every player i use at 0% volume. Higher than 0% volume the buzzing stops. This only occurs on Windows 7...i have no such problems with WinXP. At first i thought this was ATI driver related, but when reinstalled Windows 7 yesterday without any ATI drivers installed (only windows 7 default sound drivers) the problem persists. Muting players and the buzzing stops. There seem to be a problem with Windows 7 itself when it is outputting sound through HDMI. Could somebody confirm this and does it exist some fix for it?

Intel Q6600 CPU
ATI Radeon HD3870
Asus P5E6 motherboard

Majstang · 10-13-2009, 09:45 AM

Should say this buzzing noise is hearable from 75 up to 100 % volume level on my TV. Like to have it that high cuz windows sucks as an amplifier.
Installed the latest Realtek HDMI driver today which didnt make any difference.
Maybe i can solve this by tweaking the windows 7 volumemixer somhow...lowering the volume output level to same as mute levels. is this possible?

10-12-2009, 07:03 AM	#1
Majstang What is HD? Join Date: Oct 2009 Posts: 2	Buzzing noise HDMI output Windows 7 Hi! When outputting sound from HDMI to my TV i get a quite loud buzzing noise with every player i use at 0% volume. Higher than 0% volume the buzzing stops. This only occurs on Windows 7...i have no such problems with WinXP. At first i thought this was ATI driver related, but when reinstalled Windows 7 yesterday without any ATI drivers installed (only windows 7 default sound drivers) the problem persists. Muting players and the buzzing stops. There seem to be a problem with Windows 7 itself when it is outputting sound through HDMI. Could somebody confirm this and does it exist some fix for it? Intel Q6600 CPU ATI Radeon HD3870 Asus P5E6 motherboard

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10-13-2009, 09:45 AM	#2
Majstang What is HD? Join Date: Oct 2009 Posts: 2	Should say this buzzing noise is hearable from 75 up to 100 % volume level on my TV. Like to have it that high cuz windows sucks as an amplifier. Installed the latest Realtek HDMI driver today which didnt make any difference. Maybe i can solve this by tweaking the windows 7 volumemixer somhow...lowering the volume output level to same as mute levels. is this possible?