NNext Karaoke
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Manual
Next Karaoke
A browser karaoke guide for the Next Karaoke player, queue, remote control, display, and audio setup.
  • Overview
    • About
    • Architecture
    • FAQ
  • Getting Started
    • Installation
    • First Launch
    • Basic Setup
    • Play Your First Song
  • How to Use
    • UI Map
    • Playback Controls
    • Songs and Storage
    • Manage Queue
    • Device File Transfer
    • Sound
    • Display
    • Remote
    • TV Screen
    • Troubleshooting
  • Reference
    • Prepare ZIP with Karaoke Packer
    • WebAssembly (WASM)
    • Web Workers
    • Shared Workers
    • Service Workers
    • SQLite
    • IndexedDB
    • AudioContext
    • Web Audio API
    • Media Session API
    • Keyboard Shortcuts
    • SoundFont 2 (SF2)
    • File Formats
      • MIDI
      • LYR
      • CUR
      • NKM
      • NKMX
      • KMID
      • MP3
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  3. Reference
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  5. File Formats
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  7. NKM
User guide1 min read

NKM Media Package Specs (.nkm)

Unified single-file karaoke package bundling MIDI, lyrics, and metadata.

Unified Package Specification

Bundles MIDI track, LRC/CUR lyrics, album cover artwork, and JSON metadata into a single NKM package for fast distribution.

Related

Pages people usually open next

Prepare ZIP with Karaoke PackerUse the native Karaoke Packer tool to scan a song folder and create ZIP parts for Next Karaoke Import.Open pageReferenceComprehensive technical documentation explaining key web technologies, sound engines, and storage architectures used in Next Karaoke.Open pageWebAssembly (WASM)What is WebAssembly, why it is essential for SoundFont synthesis, and how it delivers native-speed audio rendering.Open page
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