This is the first in a series of posts designed to walk you through how to build a computer-based home recording studio. The series will also show you how to get the best possible audio for the lowest possible cost.
What do you think you'd have to do in order to record and produce professional sounding audio, whether that be music, voice-overs, etc? Do you think you need expensive microphones, interfaces and other gear? Most people do.
Maybe you think the only alternative is to go into a commercial recording studio where the average hourly rate is $50. Well, you're not alone. Most people do.
The truth is that with some basic knowledge (and not even "hard" knowledge) you can get professional sounding audio with gear costing less than $100, assuming you already have a computer - a normal, every-day computer.
Regardless of your set-up - If you know what you're doing, you can get decent audio from the cheapest gear. But LACK of knowledge causes lots of folks to make crappy recordings even with expensive gear. I'll give you 4 tips for doing this (the getting decent audio part). First though, here's a disclaimer: Let me say that better quality microphones and interfaces, which do cost more, can and do create audio that is superior than what you can get from the cheapest gear - but ONLY if you know a bit about what you’re doing!
If you know what you're doing, you can get decent audio from the cheapest gear. But LACK of knowledge causes lots of folks to make crappy recordings even with expensive gear.
On the other hand, if you DO know what you’re doing...... it is possible to produce better audio with a plastic PC mic than someone with no experience using a set-up costing...wait for it...100 times more!
How can I be so specific? Because during the first Home Brew Audio podcast, we compared the sound quality of some spoken-word stuff made with gear costing $5.00 against a setup costing $500. The result was obvious to even the most casual listener. The $5.00 studio was better! If you’d like to hear that for yourself, check out our post where there are two audio samples of what I’m talking about: www.homebrewaudio.com/5-dollar-vs-500-dollar-mic
If your primary purpose for recording audio is to create voice-overs, podcasts, or video narrations, the news is even better, because you'll need a lot less gear compared to a music recording studio. So the path to truly excellent audio quality is much shorter and less expensive.
- A microphone captures the sound
- The sound is converted to ones and zeros (digital audio) by a sound card or audio interface.
- A recording program reads the digital audio, allowing you to edit, save, etc.
The most important stuff often happens before the sound even reaches the microphone - such as preventing noise, for which we have a few important tips coming up. But first I'd like to introduce the basic home studio configurations.
We see computer recording studios as having one of two set-up configurations:
Configuration 2: A microphone plugged into an interface box or other 3rd-party device designed to accept a standard 3-pin microphone cable.
So the most basic of basic studios will be a computer microphone plugged into a computer sound card (configuration #1), along with recording software on the computer. You can do that for $5.00 if you use a common plastic pc mic. But it would be really hard to get pro quality audio from that.
OK then, how do you improve audio quality regardless of what configuration you use? The answer is all about the noise. Noise -Noise- Noise!
First, we do as much as possible to prevent noise - preventing it before the sound gets to the mic, then preventing as much of the internal noise as possible, like electronic stuff (buzz and the like) from the computer, cables, interface, etc. Then we reduce and/or eliminate as much of the noise that inevitably does gets recorded as possible using audio software.
The goal of recording, say, a voice is to capture what that voice sounds like as accurately as possible. The more noise there is in the recording, the less of the pure voice you will hear during playback. So the biggest enemy of good audio is noise; and I don't just mean hiss and lawn mowers and barking dogs and electrical hum and static, etc. "Noise" is anything that is not the thing you are trying to record (that is called the "signal"), and it can also include echos of the signal. This is usually referred to as "room sound," which turns out to be the most common and oft-offending noise there is.
Prevent The Noise
In a perfect world, you would have a great recording space where the room sound actually complements the signal. These types of spaces are rare, especially for those of us recording at home where we mostly use converted bedrooms and the like. The second best option is to have a vocal isolation booth, treated with materials designed to absorb echos to dampen room noise, allowing you to record only the signal.
If you can't obtain (buy or build) a properly treated booth, the next best thing is probably to use products that help block or otherwise interfere with room sound noise. There are several products, like the sE Electronics Reflexion Filter, that are made of acoustic-affecting materials that you can mount on microphone stands.
In the next installment of this series, we will take a look at some examples of booths and baffles mentioned above.
See you then!
By the way, I created a video of this series. This 2-part video encompasses all 5 parts of this series of articles. Part 1 is below: