> For the complete documentation index, see [llms.txt](https://docs.letr.ai/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.letr.ai/en/use_edtior/2-video-editor.md). # #2 Video editor ## Basic functions

Video editor - Translation screen (Basic)

* Basic search and advanced search * Check subtitle rules * The number of characters for special characters separately * Recognized as 1 letter - ((Speaker)), \[\[Background and Sound effects]], ##Screen subtitles## * Does not count - {{Translation excluded}} * Alert function (orange exclamation mark icon) when minimum/maximum exposure time and subtitle interval are not correctly set in the subtitle * Subtitles less than 0.1 seconds in length cannot be created * Subtitle area icon * Green check - Indication of completion of original text/translation work * Orange exclamation mark - Indicates non-compliance with subtitle regulations (number of lines/characters, minimum/maximum exposure time, subtitle spacing) * Red exclamation mark - Indicates that the original text/translation work is not complete * Change subtitle exposure time * Check the FPS (Frames Per Second) of your subtitle file * When downloading a subtitle file, FPS (frames per second) can be changed to match the selected video frame rate. * Check terminology (TB) * Check terminology (TB) for any mismatch within sentences * Cases where the source and translation match are entirely highlighted in green. * Missing or inconsistent translations are marked in red. * Check Machine Translation (MT) * Translation Memory (TM) check * You can select one sentence from MT (Machine Translation) or Translation Memory (TM) with a shortcut key. * Check the source of Translation Memory (TM). Click to move to the corresponding source project. * Voice cast from workspace assets can be used in a video dubbing project. * Issue registration and management {% hint style="info" %} **When using the shortcut key** When using the task completion shortcut key (Ctrl/Command + ↓↑) in the sentence/subtitle, a green check mark will appear, and a message (moving to the next sentence) will appear on the screen. {% endhint %}

Video editor - Translation screen (larger video size)

{% hint style="info" %} **You can adjust the video size by dragging the mouse between the video and the editor panel.** The default (minimum) size is 400px when accessing the video editor. The video size ratio according to the display's screen resolution is as follows. * 1440px \~ 1536px - 4:6 * 1537px or higher resolution - 5:5 {% endhint %} ## Subtitles for the Deaf or Hard of hearing (SDH) ### Production management

Subtitles for the Deaf or Hard of hearing (SDH) production screen

* Production management of Subtitles for the Deaf or Hard of hearing (SDH) * The video project supports the production of screen description subtitles SDH. * Text enclosed in double parentheses ((Speaker)) and double square brackets \[\[Background sound/Sound effects]] is distinguished by subtitles for the Deaf or Hard of hearing (SDH). ### Speaker word suggestion

Subtitles for the hearing impaired (SDH) speaker word screen

* When registering a speaker while producing subtitles for the Deaf or Hard of Hearing (SDH) project, you enter the special character "((" and then enter the keyboard. A word that starts with the corresponding syllable among the words registered in the vocabulary speaker is automatically recommended. ## DRM application function

* You can apply DRM (Digital Rights Management) settings to prevent video content from being leaked and to secure it. * When DRM is applied, 25% of usage is deducted from the regular video project usage.

Browser	Widevine	PlayReady	FairPlay
Internet Explorer (11+ on Windows 8.1+)	X	O (MPEG-DASH)	X
Edge (Windows 10+)	X	O (MPEG-DASH)	X
Chrome (35+ on Windows 7.0+)	O (MPEG-DASH)	X	X
Firefox (47+ on Windows 7.0+)	O (MPEG-DASH)	X	X
Safari (8+ on Mac OS 10.10+)	X	X	O (HLS)

* Please refer to the table above for the DRM support status of the web browser. ## Video dubbing features

* You can change the audio language and voice by creating a related project of the video project. * In the case of a dubbing project, 400% of the available usage will be deducted compared to a general video project. (1 minute of dubbing = 4 minutes of general video) ## Video subtitle group function

Video transcription project - Initial creation

* Video subtitle group function * If the last word of a sentence in a video project segment is 'question mark,' 'exclamation mark,' 'period,' or 'ellipsis,' it's considered one sentence. * Subtitle groups of related projects are formed based on sentences separated by special characters in the parent project, and these are recognized as single sentences when translated. * When adding a new subtitle within a subtitle group, it is applied to the same group. {% hint style="info" %} **How to add new subtitles in a video project** When you right-click on a space in the waveform, the “Create new subtitle” menu will appear, and you can add a new subtitle. {% endhint %} ## Waveform subtitle block division function

* Waveform subtitle block division function in a video project * You can split long subtitles (add new subtitles) based on the seeker's location. * Specify where you want to split the subtitle and press the shortcut key (Create new subtitle - "CTRL/CMD" + "+"), and the waveform and segment will be split to fit the subtitle length. {% hint style="info" %} **What is 'Seeker'?** A bar that displays the mouse cursor's position and time within the waveform. {% endhint %} ## Waveform scaling feature

* Adjustable waveform scaling ratio * You can adjust the waveform magnification by dragging the zoom slide bar. * Waveform scaling can be adjusted in 4 levels, from default (100%) to up to 400%. ## Batch adjustment of waveform timecode

Timecodes after the selected time can be changed in batches * By dragging the 'Seeker,' you can adjust the timecode to synchronize the subtitles. {% hint style="info" %} **Can I adjust all timecodes at once?** You can adjust all the timecodes by dragging them based on the Seeker. {% endhint %} ## Exclude translation function

* Translation exclusion function - Specify words and areas * In the editor, use the special character double curly brackets "{{excluded words}}" to specify words or areas to exclude from translation. * Specified words or areas marked as excluded will not be translated.