Audio restoration
ClickRepair is an application for cleaning clicks and crackle from audio files produced by digitizing vinyl (LP) and shellac (78) records. This kind of intermittent noise is typically the result of damage due to scratches, dust specks, etc.
ClickRepair is not a noise filter; it searches for, and repairs, localized damage. For records in reasonable condition, this means that 99.5% or more of the audio is unchanged.
ClickRepair works with mono or stereo sound files up to 48kHz. This includes standard CD and DAT formats. It is designed to run automatically, although there are mechanisms for manual intervention. When using AIFF files with a suitable sound editor, it is possible to stop at Markers, which are a standard feature of AIFF format.
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Version 3.6 |
MacOS X UB |
(App) |
Nov 15, 2011 |
• Drag and Drop interface for single file processing (see new manual, p10).
• More robust handling of unacceptable files.
• Changes to File Dialog workaround introduced in version 3.4.2 (Mac only).
• Requests users to print registration information.
• Minor bug fixes.
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Version 3.5.2 |
MacOS X UB |
(App) |
Aug 29, 2011 |
• Further changes to breakpoint behaviour.
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Version 3.5 |
MacOS X UB |
(App) |
Aug 20, 2011 |
• Can set breakpoints (see new manual, p52).
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Version 3.4.5 |
MacOS X UB |
(App) |
Jun 27, 2011 |
• Automatic update notification.
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Version 3.4.4 |
MacOS X UB |
(App) |
Jun 13, 2011 |
Minor bug fixes.
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Version 3.4.3 |
MacOS X UB |
(App) |
May 21, 2011 |
Fixed Windows bug introduced in previous release.
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Version 3.4.2 |
MacOS X UB |
(App) |
May 4, 2011 |
• Work-arounds for problems with FileDialogs on Mac OS X. • Minor bug files.
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Version 3.4.1 |
MacOS X UB |
(App) |
Sep 16, 2010 |
• Improvements to user interface.
• Fixed bug in handling files with meta-data.
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Version 3.4 |
MacOS X UB |
(App) |
Aug 8, 2010 |
• Improvement to batch processing interface.
• Sound output further revised.
• Minor bug fixes in dialogs.
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Version 3.3 |
MacOS X UB |
(App) |
Apr 5, 2010 |
• Can process files up to 192kHz (using exact reconstruction).
• Facility to save and restore custom settings to file.
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Version 3.1.2 |
MacOS X UB |
(App) |
Dec 14, 2009 |
• Revised Java Sound Output features.
• Restored Mac file-association feature accidentally omitted from version 3.1.1.
• Minor bug fixes.
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Version 3.1.1 |
MacOS X UB |
(App) |
Dec 6, 2009 |
• Minor interface enhancements.
• New bundled Java for WIndows.
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Version 3.1 |
MacOS X UB |
(App) |
Oct 25, 2009 |
• New options for Java Sound Output settings.
• New preferences location for WIndows.
• Minor interface enhancements.
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Version 3.0.2 |
MacOS X UB |
(App) |
Aug 16, 2009 |
• Will process AIFF files longer than 2GB.
• Java defaults updated for Mac OS.
• New launcher and installer for Windows version.
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Version 3.0 |
MacOS X UB |
(App) |
Dec 19, 2008 |
- Additional wavelet layers (existing methods unchanged).
- Option for reverse processing (useful for percussive music).
- Minor interface enhancements.
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Version 2.3.1 |
MacOS X UB |
(App) |
May 7, 2008 |
Version 2.3.1 (build 37b) released May 2, 2008:
- Minor improvements to batch dialog.
- Minor bug fixes.
Version 2.3 (build 37a) released April 22, 2008:
- Extensive rewrite resulting from release of DeNoise, DeNoiseLF and Equalizer.
- Minor interface improvements.
- Minor bug fixes.
Version 2.2.1 (build 35e) released December 5, 2007:
- Direct link from application for purchase of license code.
Version 2.2 (build 35d) released October 25, 2007:
- New Windows Installer is Vista compatible.
- All versions now employ Java 1.4.2.
Version 2.2 (build 35b) released July 5, 2007:
- The menus have been reorganised and extended.
- It is now possible to operate the interface entirely from the keyboard.
- Voice Over support for Mac OS X, enabling use by sight-impaired users.
- Batch processing is now enabled in trial mode.
- New installer for Windows users.
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Version 2.1.2 |
MacOS X UB |
(App) |
May 25, 2007 |
Interim release which fixes the problem that the program "hangs" randomly.
A further planned update should restore dual-core processing for Windows users.
This version retains dual-core processing for Mac OS users.
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Version 2.0.5 |
MacOS X UB |
(App) |
Nov 14, 2006 |
Important bug-fix for the operation of the "Stereo>Mono" merge algorithm, which could drift during the processing of long files (not completely fixed in version 2.0.4).
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Version 2.0.4 |
MacOS X UB |
(App) |
Nov 1, 2006 |
Important bug-fix for the operation of the "Stereo>Mono" merge algorithm, which could drift during the processing of long files.
Further minor interface enhancements.
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Version 2.0.2 |
MacOS X UB |
(App) |
Oct 21, 2006 |
Version 2.0.2 (build 33d) released October 21, 2006:
Fixed bug which could cause processing to stall in some exceptional circumstances.
Minor user interface enhancements.
Version 2.0.1 (build 33c) released September 21, 2006:
ClickRepair 2 is greatly changed and enhanced compared to the previous version 1.3.2. Some of the changes will be obvious (to existing users) from the interface. The most important are:
There is a new processing method which splits the audio data (in each channel) into two streams, using the theory of wavelets. This allows for better resolution.
The previous method of processing each channel as a single stream are still available as an option (with some improvements to the algorithms).
There is a new algorithm for protection of brass instruments and other highly pitched material.
The previous method for mono material, which simply pre-mixed to a single data stream, is replaced by independent treatment of the channels, followed by an automatic merge.
The previous method for shellac (78) material involved both pre-mixing and post-filtering. Both of these restrictions have been removed.
The detection and repair algorithms have been improved – with the new version it is much more likely that marginal and/or false repairs will amount to minor changes.
Following user feedback, the sensitivity settings have been re-defined, with the new numbers (0–100) corresponding to lower sensitivity than in version 1.3.2. However, the maximum sensitivity (100) remains unchanged, for the benefit of users with older material.
Visual feedback has been updated to allow the user to simultaneously monitor the operations of declick, decrackle, and pitch detection.
The manual has been expanded as a result of these changes. The French Manual has also been updated by Philippe Bonin.
ClickRepair for Mac OS X requires Java 1.4.2 or later, and will run on Mac OS X 10.2.6 or later
Commercial Software
Guitar Center Covina, 6 km
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Though I own other more expensive tools, Click Repair has remained the hero app for EASILY removing digital clicks from files made with granular apps that don't internally smooth them out. For some reason, all the pro apps just won't do it to satisfaction in all my attempts and adjustments whereas Click Repair will right off the bat with it's default settings.
Suffice it to say it's handling of that kind of a delicate situation reflects how good it is when applied to 'regular record clicks ;-)
It works great, I've converted many of my old LP's to digital.
A great software for anybody who doesn't want to to spend a load of cash for WAVES.