All microphones are not created equal. That’s because different microphones are designed to capture the unique frequency ranges and timbres of a variety of instruments, from harmonicas to trumpets, to guitars and, yes, voices. When looking for the right microphone, look for vocal microphones -- unless you are specifically looking for a microphone that will change the tonality of your voice. There are dozens of different vocal microphones, so do some research and look at customer reviews to get a general sense of which microphones are best suited to your style of music and budget.
Microphones function by sensing sound vibration against a membrane in a way that is similar to how our eardrums work. Some sounds, however, are very percussive and push small blasts of air at the microphone membrane, causing pops. For instance, words that contain the letters B, P and T are common offenders. To combat this, recording vocalists use pop filters. These filters come in a variety of designs, but the most common looks like a circular screen that is 5-to-12 inches in diameter. Pop filters work by displacing blasts of air, while still allowing sound waves to pass through.
Even the most beautiful voice has flaws, riddled by little imperfections that listeners have learned to look past. That’s because voices convey pitch in a frequency range and both pitch and frequency have very precise numerical values. To smooth out vocal recordings and give them a fuller sound, try doubling or even tripling the vocals. The Korg D3200 lets you overdub vocals and can easily accommodate this technique, which uses a collection of multiple vocals to fill in the little imperfections of each individual take.
The Korg D3200 allows you to record the same sounds through two or more microphones at the same time. This is especially helpful when recording drums, for instance, but it can also provide some interesting results for recording vocals. For instance, you can use two different microphones that capture different nuances of your voice and sing into them at the same time, then mix the recordings together when you are mixing the final track. You can also mimic room ambiance by placing one microphone directly in front of the vocalist and the other across the room. The small time delay it takes for the sound to hit the second microphone, plus the dynamics captured from the shape of the room between the vocalist and the second microphone, can create a natural reverb effect when the two vocal tracks are mixed together.