Audio Tools

Exploring ClickRepairRT: Real-Time Click and Crackle Reduction for Audio Enthusiasts

For audiophiles and vinyl enthusiasts, the pursuit of pristine sound quality is a never-ending journey. ClickRepairRT once served as a crucial tool in this quest, offering real-time click and crackle reduction for records. Although it has been discontinued by its creator, Brian Davies, the software remains a topic of interest for those delving into audio restoration.

Understanding ClickRepairRT

ClickRepairRT was designed as a real-time variant of the original ClickRepair software. Its primary function was to detect and eliminate clicks and crackles from vinyl records as they played. This capability allowed users to enjoy cleaner audio without the need for extensive post-recording processing.

How ClickRepairRT Work

The software operates by analyzing audio signals and identifying transient noise artifacts commonly found in older records. These artifacts, often caused by scratches or dust, can be distracting during playback. ClickRepairRT utilizes advanced algorithms to differentiate between musical content and unwanted noise, effectively reducing the latter without compromising the integrity of the original audio.

Features and Benefits

• Real-Time Processing: Instantly reduce noise as you listen to your records. No post-processing required.
• HTTP Server Integration: Control ClickRepairRT remotely using HTTP commands.
• Command-Line Flexibility: Launch ClickRepairRT with custom configurations using the command-line options.
• User-Friendly Interface: Designed for both novices and advanced users, with intuitive controls for quick adjustments.
• Preservation of Audio Quality: Maintains the integrity of the original recording by focusing on transient noise.

What’s New in ClickRepairRT?

1. HTTP Commands

Control ClickRepairRT remotely using simple HTTP requests. Here are some examples of available commands:

• /start: Start the noise reduction process.

• /stop: Stop the process.

• /set-declick?value=x: Set the DeClick slider to a value between 0 and 9.

• /toggle-pitchdetect?state=on|off: Enable or disable pitch detection.

• /set-method?value=simple|wavelet: Select the processing method (Simple or Wavelet).

• /set-output?value=repaired|initial|monitor: Choose the audio output (Repaired, Initial, or Monitor).

• /help: Display the help message.

Example HTTP Usage:

• Start the process:

curl http://localhost:8080/start

Set the DeClick slider to 5:

curl http://localhost:8080/set-declick?value=5

2. Command-Line Parameters

Customize ClickRepairRT at launch using these parameters:

• -h: Display the help message.

• -p : Start the HTTP server on the specified port.

• -s: Automatically start the process when the application launches.

Example Command-Line Usage:

• Start ClickRepairRT with HTTP server on port 8080:

java -jar ClickRepairRT.jar -p 8080

Start the process automatically at launch:

java -jar ClickRepairRT.jar -s

Combine both options:

java -jar ClickRepairRT.jar -p 8080 -s

Integrating with VB-Cable

For optimal results, use ClickRepairRT alongside VB-Cable, which allows routing audio between applications.

Setup Guide:

1. Install VB-Cable: Download it from the official site.

2. Configure Audio Devices:

• Set your default playback device to “CABLE Input (VB-Audio Virtual Cable).”

• In ClickRepairRT, set the source to “CABLE Output (VB-Audio Virtual Cable).”

3. Launch ClickRepairRT:

java -jar ClickRepairRT.jar -p 8080 -s

4. Play Your Vinyl: Start playing your records through your connected turntable.

5. Control in Real Time: Use HTTP commands to adjust settings while listening.

Bringing Back the Magic of ClickRepairRT

ClickRepairRT is back, enhanced for modern needs while retaining its signature ability to deliver pristine audio from your vinyl records. Whether you’re a casual listener or an audio perfectionist, ClickRepairRT offers the tools you need to make your vinyl playback experience extraordinary.