Configuration Item | Description |
Template Name | The prefix for the template name is fixed to "subtitle". The template name cannot exceed 30 characters and only supports English letters and digits. |
Template Description | Subtitle template description. It contains up to 100 characters, only supporting letters, digits, underscores, and dashes. |
Preset Styles | When preset styles are selected, the system will automatically adapt Font Color , Subtitle Line Count , Characters per Line , and Margins and Line Spacing . Currently, the following preset styles are supported: The default option is Small text without bar. You may select Small text without bar, Large text without bar, Small text with bar, or Large text with bar to configure the settings. After selection, the system will automatically set the corresponding subtitle style, which can be modified. Modifying configurations will clear the selected preset styles. |
Dynamic/Steady State Effect | The default setting is delayed steady-state sentence-by-sentence subtitles. You can switch it to real-time dynamic subtitles or delayed steady-state word-by-word subtitles. When choosing the Delayed Steady State Subtitles mode, it's necessary to set the latency, with a default value of 10 seconds. Available latency options include 20 seconds, 30 seconds, and 60 seconds. Note: When you choose real-time dynamic subtitles, subtitles in live streaming will be dynamically corrected word by word based on changes in speech. When you choose delayed steady-state word-by-word subtitles, the system will delay the display of live streaming based on the set time, but the full-sentence subtitle mode provides a better viewing experience. |
Subtitle Translation | The default source language is Chinese. English, Japanese, and Korean are also supported. It is set to "No Selection" by default. Switching to any of other unselected options in the source language is supported. For example, if "English" is selected as the source language, the available options for the target language include: No Selection, Chinese, Japanese, and Korean. Cross-language translation will incur voice translation fees of MPS. ASR fees will be generated without translation. For more details, please see Content II. If you need to translate it into other languages, please submit a ticket to contact us. |
Subtitles | Source is supported by default. Target and Bilingual Subtitle are also supported. By selecting the three options of Source language , Target language , and Subtitles , you can achieve subtitle effects in different languages. |
ASR Associating with Custom Hotwords | The Automatic Speech Recognition (ASR) with custom hotwords feature is disabled by default. Enabling custom hotwords can improve the recognition accuracy of ASR for proprietary words. After enabling the feature of custom hotword lexicons, you need to select the hotword lexicon you want to apply. If you have not created a hotword lexicon, you can click Add to jump to the Create Hotword Lexicon page. For detailed steps, see Creating Library. ![]() |
Font Color | The font selection for subtitles will vary depending on the Subtitle Translation and Subtitles you have selected. You may choose a variety of fonts such as DIN Alternate Bold, Helvetica, or HelveticalnseratLTPro-Roman, or select a custom font according to your service needs. If you need a custom font, click Custom to upload the font. The system will display a confirmation box. Before uploading and using the font, check the notice, and then click OK. Note that only .ttf files are supported. Before using a custom font, make sure that you have obtained legal authorization, otherwise Tencent Cloud will not bear any legal responsibility arising from the use. The default font color is white , and you can customize the font color according to your preference. |
Subtitle Background | You can select a preset style or upload a custom background according to your business needs. After selection, you can preview the effect. Custom upload instructions: Upload a file in PNG format, with a file size not exceeding 1MB. |
Subtitle Line Count | Options are 1 or 2 . When lines exceed the displayed range, only the latest content will be displayed. |
Characters per line | The value range is 1 - 200, and the default value is 65. One Chinese character counts as 1, while one English character or number counts as half. The fewer the characters per line are, the larger the font size is. |
Preview | You can adjust the subtitle display effect by dragging and scaling the position and size of the subtitle content type and subtitle background. Uploading background images, selecting the preview window resolution, and entering the subtitle test content can help you preview subtitle styles. The subtitle effect is for reference only and the test content will not be translated. |
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