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In your audio editor, switch to spectrum view and try to identify the frequency band of the fan noise. Next you can either use a parametric EQ or a filter. If you have a parametric EQ, you can easily roll off the top or bottom frequencies, or cut the frequency band that the fan occupies. If you are using a filter, then use a low pass filter with a high ...

Adding some felt or faux-fur is a good place to start. Felt will probably attenuate, but may not help much with the wind noise. Faux-fur is great at killing wind noise, but doesn't attenuate much. I don't have any experience with their products, but the windscreens pictured at TheWindCutter look good. Also take a look at the Rycote Mini Windjammers. You ...

Put it in a different room! Professional studios do this by having a control room with all of the more noisy equipment, so in a home studio you're going to have to try to approximate that environment as best you can. On a MacBook, you may be able to limit CPU usage in the Energy Saver preference pane. I can't tell you specifically since I'm on an iMac, but ...

Try a parametric EQ, or a band-reject filter (essentially the same thing). Setup your audio so that you can loop the section with the problem sound. In your EQ or filter, adjust the controls so that your band is narrow and deep. That is, a small range of frequency is impacted, but that band is almost entirely attenuated. slowly sweep the filter from low ...

Without knowing what you are recording: If the main problem is rumble sound you could use a high-pass filter - that is if what you are recording isn't using a low frequency range. Try with values such as 60-80 Hz as a start point. In you record vocals/voice you can try starting from 100-200 Hz. Try then to apply a low-pass filter to remove noise in the ...

It would be best to use an external mic that can be positioned where less wind would strike it. A hand-held recorder, like the Zoom H1 recorder (under $100.00) would be an affordable choice for most people. Hand-held recorders have built-in microphones and also a jack for using an external mic. These recorders have adjustable record levels that can be set ...

I use the Audacity Noise Removal tool for this all the time. It's a little tricky to figure out, but it does a great job once you know how to use it. It's a two step process - first select a section of the audio that has nothing but noise. Then in the Audacity Effect menu, select Noise Removal, then click Get Noise Profile. At this point, nothing will have ...

You can do a lot of this "by hand", such as it is, by using a graphic EQ and simple amplification matching. For enhancing the consonants so the voice is easier to understand: the most critical region for speech comprehension is in the 2 to 4 kHz range. Boosting in that range will likely help. That brings me to my next point as far as noise reduction: if ...

Yes, as DragonLord said, with the extended edition. And assuming it's in a format (AVI, MOV etc. that Photoshop supports. Once open, select Filter > Convert for Smart Filters. Then run any filter, including noise reduction, and it will apply it to all frames. Then Export > Render to Video.

Yup, that's definitely switching–power-supply bursts. (Has nothing whatsoever to do with hard drives, though it may sound somewhat similar.) How exactly this gets in the signal path I don't know, but you might be able to eliminate it by changing your grounding configuration. One thing to try is to directly connect the interface to ground, for instance by ...

Some things to consider: Try some audio dynamic range compression - typically just called a 'compressor' plugin, but this is different from data compression. Since the voice is much louder than the hammering (I had to play it a few times to hear it), you might be able to set the knee somewhere between the level of the hammer and the voice and amp up the ...

To have lower fan speeds while also not having a cooked laptop, you need to have less heat to remove (i.e. reduce CPU or GPU load) or more efficient passive heat transfer. Luckily, modern MacBooks have metal cases which are quite thermally conductive, which allows many possibilities for improving cooling. Chill the air around the laptop as much as you can ...

You will need a portable sound-booth, a good pop-filter and record very close to the mic. Commerical portable sound-booth: http://www.editorskeys.com/us/portable-vocal-booth-incl-free-mic-stand/ There are a bunch of DIY sound-booths you can build yourself at a low price: https://startpage.com/do/search?q=diy+portable+sound-booth

You could use a noise gate. Basically, a noise gate sets a threshold, below which there is silence, above which, the sound can pass. Of course there are other possible configurations involved that will allow you to keep the gate from being a harsh on/off etc. If the background noise you're trying to eliminate is relatively quiet, and the signal you're ...

To remove the noise you need a software capable of FFT (Fourier) based analysis. This may sound complex, but it's a simple operation of marking an area where only the noise is, then run the filter which will try to remove the noise marked. Be aware though, this has some squicky (literally) side-effects making parts of the audio sound hollow and with small ...

You can't repair wind noise after the recording is done. I actually have a Kickstarter page for a product I'm making designed to solve this problem, using the same faux-fur principles as "dead cat" noise suppressors but for small microphones. I think it would help a lot.

Consider trying: iZotope RX 2 Waves Restoration Both of these are billed as audio restoration/noise reduction programs, and serve the kind of purpose you're describing.