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Using Har-Bal for audio restoration
Posted: Tue May 31, 2005 12:25 pm
by brubart
From a recording client, I received a home-recorded analog tape made in the late 1940's. The client asked me to "make it sound good." I imported it into Har-Bal, tweaked its curve to look more like a contemporary folk recording, and recorded the EQ'd file. Then I added a steep 10 kHz lowpass filter to remove tape hiss. The customer was delighted at how much better the recording sounded.
Bruce Bartlett
Re: Using Har-Bal for audio restoration
Posted: Tue May 31, 2005 1:32 pm
by har-bal
brubart wrote:From a recording client, I received a home-recorded analog tape made in the late 1940's. The client asked me to "make it sound good." I imported it into Har-Bal, tweaked its curve to look more like a contemporary folk recording, and recorded the EQ'd file. Then I added a steep 10 kHz lowpass filter to remove tape hiss. The customer was delighted at how much better the recording sounded.
Bruce Bartlett
Bruce
We are happy you are finding ways to use Har-Bal most effectively. Just out of curiousity how did the spectral image look prior to you har-balizing the wave file?
Thanks
Earle
Using Har-Bal for audio restoration
Posted: Mon Jun 06, 2005 10:00 am
by brubart
The spectrum had several big bumps around 200 Hz to 800 Hz, and rolled off pretty sharply above and below that. Har-Bal equalized the old mics, the mix, and the recording medium all at once!
Bruce Bartlett