Audacity: Final normalization and ACX check

All demos from “How to make your audio sound good in Audacity - 2026”

1. 2:412:23Normalize audio in AudacityThe narrator demonstrates how to select a track and apply the Normalize effect in Audacity, adjusting the peak amplitude to -3 dB to establish a consistent volume baseline.Audacity· AI Audio Editor
2. 5:581:03Apply one-click audio macros in AudacityThe user shows how to use the 'Apply Macro' tool in Audacity to instantly improve raw vocal recordings using pre-configured processing chains.Audacity· AI Audio Enhancer & Noise Reduction
3. 8:321:19Reduce background noise in AudacityA two-step demonstration of noise reduction: first capturing a noise profile from a silent section, then applying the effect to the entire track with specific sensitivity and smoothing settings.Audacity· AI Audio Enhancer & Noise Reduction
4. 9:560:36Apply Filter Curve EQ in AudacityThe narrator demonstrates applying a 'low roll-off for speech' using the Filter Curve EQ to remove unnecessary low-frequency noise from a voice recording.Audacity· AI Audio Enhancer & Noise Reduction
5. 10:420:34Compress audio dynamic range in AudacityThe demonstration shows how to use the Compressor effect in Audacity, starting with a lead vocals preset and manually adjusting the threshold and ratio for a balanced sound.Audacity· AI Audio Editor
6. 11:220:24Final normalization and ACX checkCurrentThe user performs a final normalization to -3 dB and runs the ACX Check plugin to verify that the peak, RMS, and noise floor meet professional standards.Audacity· AI Mastering
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AI Mastering

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1. 11:220:24Final normalization and ACX checkCurrentThe user performs a final normalization to -3 dB and runs the ACX Check plugin to verify that the peak, RMS, and noise floor meet professional standards.Master Editor
2. 15:230:37Final normalization and ACX checkThe final step shows re-normalizing the audio to -3 dB and using the ACX Check tool to verify that the peak, RMS, and noise floor levels are within professional limits.Master Editor
3. 11:550:53Using Master Effects and LimitersThe demonstration shows how to apply a limiter to the master bus in Audacity to prevent clipping across all tracks simultaneously.Joe at Claricast
4. 20:032:17Use the Limiter effectA demonstration of applying the Limiter effect to smooth out loud spikes and increase the overall vibrancy of the audio.Dewi Jenkins
5. 12:091:30Verify processed audio in AudacityThe processed file is dragged back into Audacity and re-analyzed with the ACX Check tool to confirm that all parameters (Peak, RMS, and Noise Floor) now pass.Mike Teaches Audacity