Karaoke Extension File Format
Comprehensive guide to the Karaoke Extension format - an advanced standard for word-level synchronized lyrics with enhanced metadata, karaoke support, and precise timing for professional applications.
What is Karaoke Extension Format?
Karaoke Extension (ELRC) is an advanced extension of the standard LRC format that provides word-level timestamp precision, enhanced metadata support, and specialized features for karaoke applications. While maintaining backward compatibility with standard LRC, Karaoke Extension offers significantly more granular timing control and additional functionality.
This format is particularly valuable for professional karaoke systems, language learning applications, and advanced music players that require precise word-by-word synchronization and rich metadata support.
Karaoke Extension Format Specification
Basic Structure
A Karaoke Extension file maintains the basic LRC structure but adds support for word-level timestamps and enhanced metadata:
Word-Level Timestamps
Karaoke Extension supports word-level timing using inline timestamps within lyric lines:
Syntax:
[line_time]<word1_time>word1 <word2_time>word2 <word3_time>word3Example:
Timestamp Format
Karaoke Extension supports both standard LRC timestamps and high-precision timestamps:
Standard Format
[mm:ss.xx]- Centisecond precision[00:12.34]- Example
High-Precision Format
[mm:ss.xxx]- Millisecond precision[00:12.345]- Example
Complete Karaoke Extension File Example
Here's a complete example of a properly formatted Karaoke Extension file with word-level timing:
Use Cases and Applications
Professional Karaoke
Commercial karaoke systems with word-level highlighting and precise timing for professional venues.
Language Learning
Educational software with word-by-word pronunciation timing and language-specific metadata.
Music Production
Studio applications for precise lyric timing during recording and mastering processes.
Accessibility Tools
Advanced assistive technology with detailed timing for users with hearing or cognitive impairments.
Interactive Media
Interactive music videos, games, and applications requiring precise word-level synchronization.
Broadcast Media
Television and radio applications for live lyric display with enhanced metadata integration.
Software Compatibility
Karaoke Extension format is supported by specialized applications that require advanced lyric synchronization features. While maintaining backward compatibility with standard LRC readers, full Karaoke Extension features require compatible software:
Full Karaoke Extension Support
Partial Support (Basic LRC Only)
Compatibility Legend
Karaoke Extension Tools and Utilities
Explore our comprehensive collection of Karaoke Extension tools to create, convert, validate, and work with Karaoke Extension files featuring word-level timing.