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”. I expected that setting a value to 0 would mute the audio, but in my case, the lower wav form is gone.A Limiter is a handy tool for any voiceover production delivery task that involves meeting Loudness or Peak values.
However, something strange happens here: The lower part of the audio is gone: I have now simply tried it with settings the clipping value to "0".
I'm not sure how I could calculate the dB from the sample data in order to clip it and how to clip it to -3dB. NSamples(i)=0 'how would I lower the volume here instead of just setting it to 0? (I have stripped the process down very much) Dim nSamples() As Integer To do that, I'm loading the audio data of a wav file like this: Then I tried to write my own limiter in VB6 in order to have full control over what's happening. So I was thinking that they perhaps do not work correctly. Instead, they both diminish the entire audio volume.Įdit: I have found out that "Hard Clip" in Audacity does what I need, but now I still want to finish my own approach. I have used both Steinberg Wavelab and Audacity Hard Limiter. To solve this issue, I have applied a Limiter that limits to -3 dB. When I try to normalize the audio file, the audio program sees this spike, notices that it is at 0 dB and won't normalize the audio any more.
I am dealing with an audio file that shows sudden spikes:
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