File Upload
Audio and lyrics file upload methods and optimization guide for using the GTS-Lyrics-Line model.
Audio File Upload
Supported File Formats
| Format | Description | Recommendation |
|---|---|---|
| WAV | Lossless, highest quality | Best for optimal quality |
| FLAC | Lossless compression, space-saving | Good balance of quality and size |
| MP3 | Compressed format | 320kbps or higher recommended |
| M4A | High quality, compressed format | Good quality with compression |
| MP4 | Video files with audio | Audio track will be extracted |
Supported Audio Specifications
| Specification | Supported |
|---|---|
| Channel | Mono (1ch), Stereo (2ch) |
| Sample Rate | 16kHz, 24kHz, 44.1kHz, 48kHz, 96kHz, 192kHz |
| Bit Depth | 16-bit, 24-bit, 32-bit |
| Bitrate | 128kbps, 192kbps, 256kbps, 320kbps |
note
Audio specifications not listed above will be automatically resampled or re-encoded to a supported format during processing.
Upload and Processing Limits
| Limit Type | Maximum Value | Note |
|---|---|---|
| File Size | 1GB | Files exceeding this limit will be rejected |
| Duration | 10 minutes | Files over 10 minutes will fail job creation |
warning
Files with unsupported formats, exceeding 1GB, or over 10 minutes will be rejected (fail) when creating a job. While uploading is possible, jobs cannot be processed for files that exceed these conditions.
Upload Guidelines
- Stereo (2ch) audio is recommended for most use cases.
- For compressed formats (MP3, M4A, MP4), higher bitrate sources generally produce better results.
Lyrics File Upload
Supported Lyrics Format
- File Format:
.txtonly - Character Encoding: UTF-8 recommended
- Content Requirements: Minimum 2 lines of text
Supported Languages
| Language | Language Code |
|---|---|
| English | en |
| Korean | kr |
| Japanese | jp |
| Chinese Simplified | zh-cn |
Lyrics File Guidelines
- Each line should contain one lyric phrase or sentence
- Empty lines between verses are allowed
- File must contain at least 2 lines of actual lyrics content
- All lyrics must be written out in full, including repeated choruses and verses
- Files must be saved in UTF-8 encoding to ensure proper character display
Example Lyrics Format
This is the first line of the verse
This is the second line of the verse
Here comes the chorus line
This is the third line of the verse
This is the fourth line of the verse
Here comes the chorus line