> ## Documentation Index
> Fetch the complete documentation index at: https://docs.youka.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Fine-Tune Lyrics Timing

> Adjust word and line timing with the Manual Sync tool

Use the Manual Sync tool to perfect the timing of your karaoke lyrics down to individual words.

## Opening Manual Sync

1. Open your project in the Studio
2. Click **Manual Sync** in the header menu

## Understanding the Interface

The Manual Sync tool shows:

* **Video Preview** — See your karaoke as you edit
* **Timeline** — Visual representation of words over time
* **Waveform** — Audio visualization to help with timing
* **Word Blocks** — Each word shown as a block you can adjust

## Selecting Words

Click on any word in the timeline to select it. When selected:

* The word is highlighted
* You can drag to adjust timing
* Playback will focus on that section

## Adjusting Word Timing

### Drag to Move

Click and drag a word to move it earlier or later in time.

### Resize Duration

Drag the left or right edge of a word block to extend or shorten its duration.

### Precise Adjustment

Use the timing inputs to enter exact start and end times for a selected word.

## Keyboard Shortcuts

Speed up your editing with keyboard shortcuts:

| Action        | Shortcut             |
| ------------- | -------------------- |
| Play/Pause    | Space                |
| Seek forward  | Right Arrow          |
| Seek backward | Left Arrow           |
| Undo          | Ctrl/Cmd + Z         |
| Redo          | Ctrl/Cmd + Shift + Z |
| Delete word   | Delete/Backspace     |
| New line      | Enter                |
| Split word    | S                    |

Click the keyboard icon to see all available shortcuts.

## Line Operations

### Creating a New Line

1. Position the cursor where you want the break
2. Press **Enter** or click **New Line**

### Merging Lines

1. Select a line
2. Click **Merge Line** to combine it with the next line

### Splitting a Line

1. Select a word where you want to split
2. Click **Split Line** to break at that point

## Word Operations

### Adding a Word

1. Position where you want to add
2. Click **Add Word**
3. Type the word text

### Deleting a Word

1. Select the word
2. Press **Delete** or click **Delete Word**

### Copying and Pasting

1. Select a word or line
2. Use Ctrl/Cmd + C to copy
3. Position cursor and use Ctrl/Cmd + V to paste

## Using the Waveform

The waveform shows the audio signal:

* Peaks = Louder sounds
* Use peaks to align words with sung syllables
* Play sections to verify timing matches audio

## Previewing Changes

Click **Play** to hear how your changes sound. The video preview shows the lyrics with your new timing.

## Saving

Your changes save automatically. Look for the save indicator:

* **Saving...** — Changes being saved
* **Saved** — All changes saved

## Tips for Better Timing

* Start each word slightly before the vocal
* Listen carefully and make small adjustments
* Use the waveform as a visual guide
* Test sections by playing them back
* Focus on lines that feel off, not every word