RE: Clicking filter
RE: Clicking filter
- Subject: RE: Clicking filter
- From: Scott Stillwell <email@hidden>
- Date: Thu, 10 Nov 2011 09:01:43 -0600
- /m: 52/d:10750
Put the LP filter on the PARAMETER value, rather than the audio…don’t let it change so rapidly. Scott From: coreaudio-api-bounces+scott=email@hidden [mailto:coreaudio-api-bounces+scott=email@hidden] On Behalf Of Pascal
Sent: Thursday, November 10, 2011 8:53 AM
To: coreaudio-api
Subject: Clicking filter Hi,
I had no luck finding some help from the internet or the CoreAudio List Archives for writing an anti-clicking filter. I have sequenced sounds (on an iOS application) with parameters (length, pitch, etc) that can very be modified. When changed abruptly, clicks are heard. I have tried to apply a LP or HP filter on the changed portion of the modified sound, I have tried to detect abrupt variations of data value on the rendering callback in order to smooth them. But no luck so far.
I am writing to you to see if anyone has some hints or advice to give me.
Many thanks in advance.
Pascal |
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