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Simple Tips for Audio Cleaning

July 8th, 2007

If you’re an old school type of guy/gal, who previously thought Tape Decks or even Vinyl wouldn’t go obsolete, then these tips are for you.

You simply don’t want to lose all your precious collections, so you up and decided that since you frequent the internet a lot and call your self a “tech-savvy” person (geek), you’ll convert them all to digital.

Most modern Computer System already have digital as well as analog inputs built into them, all you need now is the software to do its trick. If you opt for a more professional and industry grade product then you wouldn’t lose with Tracer Technologies DC Live/Forensics. If you’d rather support the OS (Open Source) movement, there are a bunch of software out there for your perusal. But take in mind the following guidelines to base from.

1. Recording Source Audio

Be sure that the software your using has a real-time recording level meters. Usually, levels above 0dB (decibels) can produce sporadic digital distortion.


2. Prepare the Goods

Having a spectrum analyzer on your software enables you to adjust beforehand the impurities and weakness of the recorded audio. Thus increasing the overall quality of your recording. Narrow frequency peaks and clipped audio points can be easily removed at this point.

3. Filter those dirt

Make sure your software has a specialized tool for isolating fixed-frequency noise.

4. Sort out the Bugs

Every audio editing software have some sort of a “click & pop” filter. They may operate differently but look for the settings and options with default or pre-programmed presets for filtering out different types of impulse noise.

5. Mute the Noise

Finally after the impulse noises are sorted out, the last noise to think about is Broadband Noise. Broadband Noise have esoteric, nonintuitive controls, most of them however can be auto-configured by feeding in a small sample of your source materials continuous noise. It won’t make the audio super clean, but the noise left will be barely noticeable.

6. The Final Straw

Listen carefully to the audio and all the major noise is gone. There maybe some occasional hiss, pop or crackle that needs sorting out, but most audio editing software has a default presets for those minor nuisances.

You can always adjust manually through your softwares equalizers, specialized filters, and enhancers. Taken meticulously, your dull recordings will sound new again.

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