Search found 2 matches
- Sun Mar 08, 2009 12:07 am
- Forum: Audio Processing
- Topic: Multiple notches with Nyquist prompt?
- Replies: 23
- Views: 12163
Re: Multiple notches with Nyquist prompt?
As an experiment, I reloaded the MP3 file, and iterated in the following way: 60Hz Q=0.5 120Hz Q=0.75 180Hz Q=1.00 240Hz Q=1.00 300Hz Q=1.00 360Hz Q=1.00 The first iteration (at 60 Hz) removed the most amount of hum, so "distracting" became "annoying". I've been doing some more experimenting in A/B...
- Sat Mar 07, 2009 6:51 pm
- Forum: Audio Processing
- Topic: Multiple notches with Nyquist prompt?
- Replies: 23
- Views: 12163
Re: Multiple notches with Nyquist prompt?
I have a voice recording (of a conference session) with a hum in it, and as presuming it's a 60 Hz hum. I think that it's a problem with the cable between my microphones (in a Sound Professionals Otterbox) and the recorder (Marantz PMD-620). I've haven't been able to figure out the Spectum Analyzer,...