Limiters are similar in operation to Compressors, but a bit simpler to conceptualize because there are fewer variables. It’s so satisfying to work with a narrator who is able to consistently deliver clean, quality audio, and it all builds from that foundation. That’s one reason I encourage anyone recording voiceover for narration, commercial, audiobook, eLearning or character work to spend the time to lock down their recording environment so results are consistent.Īs boring as it may seem, this consistency in the VO recording chain means that things don’t get out of hand when we start using more complex tools. ![]() It can also cause them to behave in ways we don’t expect if the input levels we are feeding into them suddenly change. In other words, they respond dynamically to differing volume levels. But they also respond to audio differently depending upon how loud the incoming signal is. They fall under the category of dynamics control, impacting the dynamic range of your recordings. In the VO home studio workflow, Limiters are used to control the Peaks in audiobook production while boosting the overall loudness to a desired level. Audio Production: Limiter to the Rescue!Ĭorrectly used, a Limiter for voiceover can help you hit delivery specs for your project. Simply put, if you add 6 dB of Gain to the Peak, you will also add 6 dB of Gain to the RMS. When you add any Gain or use the targeted adjustment of a Normalize tool, you will find that the Peak and RMS move in parallel. With any kind of performance dynamics in your audiobook recording, you will find that a simple Gain tool, such as “Amplify” or “Normalize” will not be helpful. Those are two separate parts of your workflow. As I encourage anyone I work with, best practice is to record your raw audio conservatively, then use the appropriate tools to meet delivery spec. ![]() It is nearly impossible to meet those specs with your raw recording. In this case, “hitting delivery spec” for ACX production means having Peaks which are less than -3.0 dB while maintaining Loudness between -18.0 dB and -23 dB RMS. One of the most common challenges that voice actors encounter when delivering narration audio to ACX or other audiobook production companies is “hitting delivery spec”. A Limiter is a handy tool for any voiceover production delivery task that involves meeting Loudness or Peak values.
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