Swift wrapper for vocoder World (https://github.com/mmorise/World)

• Support Platform
  • iOS (iOS11 or later)
  • macOS (Catalina or later)
• Property
  • Shift Pitch
  • Shift Formant

• Xcode 14.X

• swift wrapper for World

• World library source code
• fix header path
  • Because SwiftPM does not support USER_HEADER_SEARCH_PATHS
  • refer to the patch file for details. (fix-world-header-path.patch)

• Example for iOS

clone https://github.com/fuziki/WorldInApple
cd WorldInApple
open WorldInApple.xcworkspace

let buffer: AVAudioPCMBuffer
x_length = buffer.frameLength  

make WorldInApple instance

let worldInApple = WorldInApple(fs: 48000, frame_period: 5, x_length: 38400)

set pitch and formant

worldInApple.set(pitch: Double(1.2))    //positive number
worldInApple.set(formant: Double(1.8))    //positive number

shift pitch and formant

let result = worldInApple.conv(buffer: buffer)

https://github.com/fuziki/WorldInApple

    dependencies: [
        // Dependencies declare other packages that this package depends on.
        // .package(url: /* package url */, from: "1.0.0"),
        .package(url: "https://github.com/fuziki/WorldInApple", from: "0.1.0"),
    ],

• install-worldlib

  • download World
  • copy files
  • apply patch file

• clean-worldlib

  • clean world