react-native-pitch-tracker

React Native Pitch Tracker implemented with Tensorflow Lite Model

• iOS/iPadOS Implementation
• Android Implementation

Installation

npm install --save react-native-pitch-tracker react-native-permissions

Usage

Prerequisites (iOS/iPadOS)

• First, Download this(Download Link : Onsets and Frames TFLite) Model.
• After that, add this file to your XCode Project.
• Double check that the file is successfully imported to project.
  • Check the .tflite model is in your Project File -> Build Phases -> Copy Bundle Resources
• Open your project's Info.plist in XCode, and add NSMicrophoneUsageDescription row.
  • Or in other editor, add this row in the plist.

  <key>NSMicrophoneUsageDescription</key>
  <string>YOUR TEXT</string>

• Open your project's Podfile and update with these lines.

target 'YourAwesomeProject' do

  # …

  permissions_path = '../node_modules/react-native-permissions/ios'

  pod 'Permission-Microphone', :path => "#{permissions_path}/Microphone.podspec"

end

Prerequisites (Android)

• Copy the downloaded file(tflite model) to {ProjDirectory}/android/app/src/main/assets.
• After that, update the build.gradle

android {

    // …

    aaptOptions {
        noCompress "tflite"
    }
}

Usage in React Native Code

import PitchTracker from "react-native-pitch-tracker";

// ...

// Must do before start()  
PitchTracker.prepare()

// Event Subscription (Add function to parameter)
PitchTracker.noteOn((res) => {
    console.log('Note On: ' + res['midiNum']);
}); // Note On: 60
PitchTracker.noteOff((res) => {
    console.log('Note Off: ' + res['midiNum']);
}); // Note Off: 60

// Start PitchTracker Engine
PitchTracker.start()

// Stop PitchTracker Engine
PitchTracker.stop()

Contributing

See the contributing guide to learn how to contribute to the repository and the development workflow.

License

MIT