ERA 4 De-Clipper User Manual

ERA 4 De-Clipper User Manual

Learn more here: ERA 4 De-Clipper


ERA 4 De-Clipper is part of ERA 4 Bundle Standard and ERA 4 Bundle Pro


Thank you for choosing accusonus ERA 4 De-Clipper. In order to better understand the main concepts and operation of De-Clipper, please take the time to read this user manual.
You can also check out our Accusonus Help Center or blog of our site for educational content. Also, follow us on Facebook and YouTube for useful tips & tutorials.


De-Clipper is an easy to use audio effect plug-in that automatically detects and restores any clipped part of your audio, without compromising audio quality. Based on the multi-patented accusonus algorithms, De-Clipper simply works and clears your audio from all the unpleasant distortion that is caused by clipping, especially on speech and dialogue cases.

Figure 1: Accusonus ERA 4 De-Clipper


  • Simple button operation
  • Simple and streamlined user interface
  • Automatic clipping detection
  • Efficient audio replacement
  • Precision-grade audio repair functionality
  • Uncompromised sound quality
  • Resizable UI

Installation & Activation

You can find the latest De-Clipper installer in the Downloads section. For more information about the installation and activation procedure, see the Activation Manual , which you can find along with the installer or in the Accusonus Help Center .

System requirements

Your computer must have:

  • a modern architecture CPU.
  • a minimum of 2GB RAM memory.
  • at least 50MB free space on your hard disk.
  • a minimum screen resolution of 800x600 pixels.

Supported formats

De-Clipper is available as a mono or stereo audio effect plug-in in the following formats:


  • AU (32/64-bit)
  • VST (32/64-bit)
  • AAX Native (64-bit)
  • for macOS 10.10 or later


  • VST (32/64-bit)
  • AAX Native (64-bit)
  • for Windows 7 (with SP1) or later

Supported sample rates

De-Clipper supports the following sample rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz

Warning: We strongly recommend to use De-Clipper with sample rates up to 48 kHz, as any higher sample rate will stress out your CPU and may lead to audio drop-outs, especially on older machines.

Supported plug-in hosts

De-Clipper is fully tested in the following DAWs and NLEs:

  • Adobe Audition CC 2017 (or higher)
  • Adobe Premiere CC 2017 (or higher)
  • Apple Logic Pro 10.4.3 (or higher)
  • Apple GarageBand 10.3.2
  • Audacity 2.2.2 (not 2.3.0 yet)
  • Avid Pro Tools 12.6 (or higher)
  • Avid Media Composer 2018.12
  • Final Cut Pro 10.4 (or higher)
  • Presonus Studio One 3 Pro (or higher)
  • Reaper v5.9

Warning: De-Clipper is designed to be used as an audio effect plug-in inside Digital Audio Workstations(DAW) or Non-Linear Editing(NLE) systems. Only the plug-in formats listed above are supported. De-Clipper does not operate as a stand-alone application .

Warning: There are just too many combinations of DAWs and plug-in formats out there, so there's always something we might have not tested. If you don't see your DAW above, you can always download the free, fully-functional 14-day trial and see if De-Clipper is supported for yourself. If you encounter any problem, contact us and we would be happy to help.

ERA 4 De-Clipper Operation


Figure 2: ERA 4 De-Clipper - Processing Button
This is the main control area of De-Clipper. It is actually a simple toggle button, which enables and disables the processing of the plugin. This is very helpful when comparing the original and the processed signals. Moreover, there are 2 types of processing. You can select between:
  • Type I
  • Type II

Pocessing Tip: In most cases, Type I, which is the default type of processing, is enough to detect and repair your clipped audio. For trickier cases, you may need to use Type II.

Processing quality

Figure 3: ERA 4 De-Clipper - Processing Quality

Under the main processing area, there is a 2-way toggle button to select the quality of the processing. There are 2 options:

  • Standard
  • High

Info: In most cases, Standard quality is enough to get great results. High quality option can improve them even more, especially in more demanding cases, but it requires more processing power from your pc.

Processing Tip: When you want to take advantage of the High Quality, but the CPU power is not enough, you can set De-Clipper in Standard quality to preview your audio and then switch to High quality to render your audio.

Clipping indicator

Figure 4: ERA 4 De-Clipper - Clipping Indicator

On the right top of the plug-in window, there is a clipping detection indicator. It is actually a visual cue that will flash when De-Clipper detects a clipped part of your audio, indicating its clipping amount as well.

Output Protection indicator

Due to the nature of audio declipping, the repaired signal may exceed the amplitude limit of your host and sound like it is clipped again. Don't worry though, this is totally expected! When this is happening, De-Clipper will inform you by flashing the OUTPUT indicator, which can be found on the left side of the plug-in. All you need to do is turn down the output gain slider, until the point where the OUTPUT indicator stops flashing.

Figure 5: ERA 4 De-Clipper - Output protection Indicator

Output gain

Figure 6: ERA 4 De-Clipper - Output Gain

The level of the output signal can differ from the level of the original signal. Use the Output Gain slider by keeping an eye on the Output protection indicator to adjust the level of the output signal. This way you can be sure that the repaired signal is not exceeding your host's amplitude limit.

Tip: Note that the Output Gain is bypassed when the ON/OFF switch is set to OFF. To compare between the processed and the unprocessed signals, use the De-Clip button of the Processing area.

Tip: You can double-click on a control to reset it to its default value.

A/B switch

Figure 7: ERA 4 De-Clipper - A/B switch
There might come a time where you're not sure which setting is better. Note, that you can adjust the plug-in controls (Processing, Output Gain and Quality Mode) independently for the A and the B setting. You can use the A/B switch to quickly compare two settings and decide which one is better.

ON/OFF switch

Figure 8: ERA 4 De-Clipper - ON/OFF switch
The ON/OFF switch allows you to turn on or off the plug-in processing. When the switch is at the OFF position, all processing is bypassed and the original signal comes through De-Clipper untouched.

Tip: We suggest to use the ON/OFF switch (instead of the DAW's bypass control for the plug-in). This will keep your audio in sync with the rest of your tracks in your DAW session.

Resizing the plug-in window

De-Clipper offers the option to resize the plug-in window. This can be especially helpful if you have large or high-resolution screens or you just want to focus on a specific task. Click the zoom icon at the top right corner and choose between three settings.

Figure 9: ERA 4 De-Clipper - Window Resize

Warning: Low resolution screens such as 800x600 cannot correctly display the plug-in for zoom options above 100%. Additionally, some hosts may clip the plug-in window in such low resolutions.


Get in touch

If this manual didn't cover your queries or if you haven't found an answer to your question in our Help Center , you can also use this form to contact our technical support team or reach us at .