Hi All
New here. Well, what can I see - Wavepad is clearly a great piece of software and I have only been using it for a couple of days on trial.
I have a question about noise reduction.
Last night (UK time) I recorded a simple 20 seconds of vocals. I use a reasonably cheap litttle microphone, plugged into the mic spocket of a quite high spec PC. The overall ambient level of noise was low except for the hum of the PC cooling fan etc.
The recorded voice sounded OK but was a bit noisy - so I applied noise reduction using spectral subtraction followed by noise gating. I was impressed with the results - as heard through my PC speakers...
Anyway, this morning I played the same file back through head phones. I was not so impressed with the result. Where I was not speakng the audio track was almost silent - however as I was speaking I noted a high frequency synthetic sound in the background following my vocals - it was not present where there was silence. Its hard to describe but gives a slight background 'Robot' / 'whispery' sound to the vocal track.
What could this be - my hunch is that I over processed the voice (i.e. noise reduction is good but not that good) - perhaps I need to wind it back a little and still except some background ?
I had thought about leaving a longer silent gap before speaking and then taking a noise sample before subtraction?
I guess the output will only be as good as the input so I do accept that the mic, sound card, PC internals will not help.
Basically I am am looking to do is to produce some clean spoken audio tracks to upload toa website. Some tips would be much appreciated !!
CHEERS
Mark