Spoken vocals have a narrow dynamic range so they won’t sound all that different as a result of being recorded in the audio equivalent of HDR. The simple answer is yes, but maybe not for the reason you think. (Like you’d shoot video at 120fps if you were planning to slow-mo it in the edit.) Bit depthīit depth is harder to squeeze into a video metaphor as it affects both the dynamic range of your audio and the resolution at which it’s captured. So there’s really no need to sample voiceover work at anything above 48kHz unless you’re planning to stretch it out in post. Extreme sibilance can take you up to the 30kHz range.īut even if you could capture that 30kHz sound, it’s unlikely you’d want to keep it and your export format is likely to strip it out, anyway-especially if your target is a video streaming platform. Male voices occupy the 100Hz to 8kHz range, and female voices live in the 350Hz to 17kHz space. For example, a 48kHz sample rate will be able to “hear” frequencies up to 24kHz, while a 44.1kHz sample rate won’t be able to capture anything beyond 20,500Hz.Īs we’ve already discussed, the range of human hearing is (at best) 100Hz to 20kHz, so should we really care about anything beyond this mark? Some would say yes. Because of this, you need to divide the sample rate by two in order to calculate the maximum audio frequency attainable. Sound is a wave, so the positive and negative stages both need to be captured to establish its frequency, which is the time it takes to move through both. 48kHz is more than enough, but if you’re not sure, match your recording settings to your audio interface. Setting this value also determines the highest audio frequencies your interface can detect, which might need a little explanation. Think of it as your audio file’s frame rate.
Sample rate is the number of times per second that your source audio is captured. Shift+Spacebar will also work if you don’t have a file open already. Click on File-New-Audio File (Cmd/Ctrl+Shift+N) to choose the recording parameters for your voiceover. So now that we’ve got our recording environment under control, it’s time to get things moving. So it shouldn’t take too much effort to translate this into your software of choice. That said, I’m going to assume that the tools and principles detailed here are not unique to Audition and that you can find them (or at least something very similar) in other digital audio applications. It’s certainly not the only option, but being part of the Creative Cloud suite means that a lot of us have it to hand. As I mentioned back in part one of this series- Recording Voiceovers From Home - Part 1: Choosing A Microphone-the software I use to record my voiceover work is Adobe Audition.
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