Re: [linux-audio-user] Removing AC hum after the fact.

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From: Joel Roth <joelz@...>
To: <linux-audio-user@...>
Subject: Re: [linux-audio-user] Removing AC hum after the fact.
Date: Monday, May 29, 2006 - 12:24 pm

On Mon, May 29, 2006 at 01:00:07PM +0100, Adam Sampson wrote:


I'm no expert, but if you still hear something after trying

this, you can experiment with extra filters at multiples

of 60Hz, i.e. 180Hz, 240Hz, 300Hz, 360Hz, etc. etc.


With speech you can be rather ruthless. But then to do all of the

harmonics up to 6000Hz, maybe you'd need a programmable

tool. I think you could chop the top off (above 6000Hz) and

no one would be the wiser. 


--

Joel Roth
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Messages in current thread:
[linux-audio-user] Removing AC hum after the fact., Alex Polite, (Mon May 29, 8:05 am)
[linux-audio-user] Re: Removing AC hum after the fact., Alex Polite, (Mon May 29, 5:16 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., R Parker, (Mon May 29, 9:51 pm)
[linux-audio-user] Re: Removing AC hum after the fact., Loki Davison, (Mon May 29, 10:57 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Curtis Sloan, (Mon May 29, 6:23 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Jan Depner, (Mon May 29, 5:45 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Thomas Vecchione, (Mon May 29, 5:28 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Alex Polite, (Mon May 29, 6:22 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Wolfgang Woehl, (Mon May 29, 8:28 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Alex Polite, (Tue May 30, 7:12 am)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Wolfgang Woehl, (Tue May 30, 8:54 am)
Re: [linux-audio-user] Re: Removing AC hum after the fact., R Parker, (Tue May 30, 12:24 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Folderol, (Mon May 29, 8:56 pm)
Re: [linux-audio-user] Re: Removing AC hum after the fact., Mark Knecht, (Mon May 29, 5:26 pm)
Re: [linux-audio-user] Removing AC hum after the fact., Gordon JC Pearce, (Mon May 29, 8:09 am)
Re: [linux-audio-user] Removing AC hum after the fact., Folderol, (Mon May 29, 12:17 pm)
Re: [linux-audio-user] Removing AC hum after the fact., Alex Polite, (Mon May 29, 10:26 am)
Re: [linux-audio-user] Removing AC hum after the fact., Jan Depner, (Mon May 29, 2:13 pm)
Re: [linux-audio-user] Removing AC hum after the fact., Adam Sampson, (Mon May 29, 12:00 pm)
Re: [linux-audio-user] Removing AC hum after the fact., Joel Roth, (Mon May 29, 12:24 pm)
Re: [linux-audio-user] Removing AC hum after the fact., Dave Phillips, (Mon May 29, 12:16 pm)