KG's App Demos

0. Current projects

• Key/Tempo Changer (React) (new version of Variable speed/pitch player)
• karaoke-video-recorder (React)
• webrtc-client (React)
• WebRTC experiments (vanilla JS)
• Audio Waveform Comparison

1. React Javascript Applications (Web browsers on PC and smartphones)

1. Simple Stem Mixer with Speed/Pitch controls (Mar. 2021--) English, 日本語
2. Filtered Player JavaScript version (testing) English
3. Variable speed/pitch player (Simple UI for soundtouchjs) (20190226--) English, 日本語
4. Metronome (2MB): English, 日本語
   Performance test result
5. Presentation Timer (1MB): English, 日本語

Source code (JavaScript and sound files) https://github.com/goto920/

2. Music related Java program (Windows, macOS, Linux)

The following applications require Java Runtime Environment on your PC. They do not run on smartphones unless Java RE is installed (I have never heard). Download and run them on your PC.

1. ConvertToWave16App.jar Extract wav audio file from various video format file
2. TimePitchPlayerApp.jar Time Pitch variable audio player (wav)
3. FilteredPlayerApp.jar Making karaoke, drum sound surpressed audio track (wav) using percussive/harmonic separation, pan(left to right), and freq range. Documents 日本語説明
4. FeedbackBoosterApp2.jar Feedback booster for electric guitar (work in progress). Equipments

   ---

   (Guitar Amp) <--------------------------------+
   microphone                                    |
       |                                         |
       V                                         |
   Audio I/O interface ---> small amp --> exciter (guitar)
       ^
       |
       V
     PC (Win, macOS, or Linux with Java RE)
   
   

   ---

   Note: You may omit guitar amp and microphone if effector aux output is fed into Audio I/O interface.

Documents(talk etc.)

• OSS Nagoya 2018 Slides(In Japanese)
• Internet Anzen Kyoushitsu 20181125 Slides(In Japanese)