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Yes, a muted trumpet is a pure percussive when played aggressively. My father always used this to 
demonstrate why he never used condenser mics close to brass instruments, especially muted brass 
instruments. The pressure wave can be so strong that it briefly shorts the mic, causing a 
click-silence-click in some cases.

-- Tom Fine

----- Original Message ----- 
From: "Ellis Burman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 25, 2013 3:33 PM
Subject: Re: [ARSCLIST] Advice needed on removing / minimizing tape bleed-through


> This only works well for very short duration ticks - only a few samples
> long.  Interpolation tools, which analyze the waveform before and after the
> click and intelligently fill in the missing information, have been around
> for 20 years and work perfectly and are much faster than doing it
> manually.  They can also remove crackle (which is really just many small
> clicks close together) which would be impossibly time consuming to remove
> manually.
>
> Tom is right.  The de-click algorithms work by looking for transient
> information with no regard for timing.  They can artifact on percussion,
> spiky vocal waveforms, and they absolutely hate muted trumpets!
>
> Ellis
>
>
>> On 10/25/2013 7:32 AM, Tom Fine wrote:
>>
>>>
>>>
>>> Of course, the very best method I have heard for fixing a tick and even
>>> shorter-duration pops is to use the waveform editing tool and simply draw
>>> out the spike, freehanding in the missing waveform
>>>
>>
>
>