squealing/whistling audio

[Doug Barton]

On 9/18/2012 10:56 PM, matt wrote:
> On 09/18/12 18:01, Doug Barton wrote:
>> Sometime in the last couple of months an old problem has resurfaced on
>> HEAD, a sort of squealing/whistling sound in the audio, even without
>> anything playing. The sound is similar to the wind whistling through
>> something.
>>
>> Before I blindly go off on a bisecting spree, does anyone have a
>> suggestion as to where I might look?
>>
>> Doug
>>
>>
> Electrically that's usually oscillation (too high gain or too much
> electrical feedback) or an unshielded input.

Sorry, I should have been more clear. This problem doesn't occur in
windows, or linux, and last time I checked, didn't occur in freebsd 8. I
have everything irrlevant zeroed out in mixer.

Doug

-- 

    I am only one, but I am one.  I cannot do everything, but I can do
    something.  And I will not let what I cannot do interfere with what
    I can do.
			-- Edward Everett Hale, (1822 - 1909)