Improving Video Content: The Evolution of AI Subtitles

Improving Video Content: The Evolution of AI Subtitles

Written by Ramsay, In Artificial Intelligence, Published On
August 21, 2023

Video content has become the main means of communication, entertainment, and information sharing in today’s digital world. A growing selection of video features can help strengthen video performance. In particular, subtitles help convey the understanding of videos, and the importance of subtitles in videos has increased significantly as makers strive to engage a variety of audiences throughout the world. Thanks to the advancements in AI technology the process of subtitling videos can be done easily. In this article, we will explain how to create subtitles for video using an AI-powered subtitle generator, look at the benefits of adding subtitles to videos, and give some great tips on how to improve video subtitles.

How to Create Subtitles for Video

AI Subtitles

Traditional subtitling procedures demanded manual transcription and translation work – both time-consuming and labor-intensive. However, since the development of artificial intelligence (AI) and natural language processing (NLP) technologies, the task of subtitling has undergone a significant transformation. Subtitle generators have streamlined the process of subtitling videos, allowing content creators and video editors to expand their audience and optimize their workflows.

Subtitle generators allow you to add subtitles to videos with only a few simple steps.

  1. Upload your video to the subtitle generator platform
  2. Choose the spoken language or let the software auto-detect it for you
  3. Let the software auto-generate the subtitles for your video
  4. Edit and translate subtitles if necessary
  5. Export video with hardcoded subtitles or download subtitles separately as SRT, VTT, or TXT files for further use.

Of course, the steps can vary a bit depending on which subtitle generator you are using. Still, overall these are the main steps in generating subtitles using an AI-powered subtitle generator.

How do AI-powered Subtitle Generators work?

AI-powered subtitle generators use speech recognition and advanced natural language processing (NLP) methods to automatically transcribe speech into subtitle text and sync the text with the accompanying audio.

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Here is a brief explanation of their procedure:

Audio analysis: Using voice recognition technology, the AI system analyzes the video’s audio track and converts spoken words into text.

Language Processing: To improve accuracy and identify language nuances, context, and speaker identification, the transcribed text is subjected to NLP analysis.

Synchronization: To ensure that subtitles coincide with the time of spoken conversation, the AI lines up the transcribed text with the correct moments in the video.

Can AI-assisted Transcription stand alone?

While AI-generated subtitles offer convenience and speed, their accuracy can vary. Ambient noise, accents, and complex terminology might lead to errors or misinterpretations. Proofreading remains crucial to correcting any inaccuracies, maintaining context, and ensuring the subtitles convey the intended message accurately. Human oversight strikes a balance between automation and quality control, improving the overall viewer experience.

Benefits of Adding Subtitles to Videos

Adding subtitles to videos have quite a few benefits – some of which might not be obvious or well-known. To better understand the impact of subtitles and how to optimize videos with subtitles we have listed some of the most game-changing reasons why subtitles can change the outcome of videos significantly.

Improved Inclusivity and Accessibility

It’s important to make videos inclusive and focus on accessibility because more people can enjoy and benefit from watching them. Subtitles can help do exactly that, as subtitles for instance enable individuals with hearing loss to understand video content better, ensuring that no one is left out. Additionally, translated subtitles can allow those who do not speak a language fluently to understand and interact with content in their own language.

Better Visibility and a Stronger SEO-strategy

Visibility is crucial in the digital age, and subtitles can make a significant difference in Search Engine Optimization (SEO). The text in subtitles can be indexed by search engines, which increases the visibility of video content. This indexing increases the likelihood that videos will show up in search results, broadening their audience and influence.

Muted Social Media Videos

Subtitles are essential for drawing viewers’ attention on social media sites when videos autoplay on mute. In fact, the majority of videos nowadays are played on mute or with the audio volume decreased. Subtitles ensure that viewers can comprehend the content fully and as a result increases interaction and engagement rates – even when the viewers can’t hear the audio.

Multilingual Access

AI-assisted translation of subtitles is an opportunity to reach an international audience. Content creators can utilize AI to streamline the process of translating subtitles which opens a simple gateway to offer videos in several languages.

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Boost Marketing Videos

By adding subtitles to marketing videos, marketers can optimize catchy and interesting commercials. Videos become more alluring and memorable with the option to add dynamic subtitles that complement brand aesthetics, successfully communicating marketing messaging. Like for social media videos, subtitles also increase engagement rates for marketing videos, which in the end is one of the main goals of creating marketing videos.

Assist Educational Videos

There are significant measures to gain when subtitles are added to educational videos. They can improve attention to, understanding, and memory of educational video material, making them an important video feature for teachers and other creators making educational videos.

Benefits of Utilizing a Subtitle Generator


Manually creating subtitles can be time-consuming and require a lot of focus to achieve exact timing, synchronization, and precision. Subtitle generators automate this procedure, saving video makers time and effort. AI-powered solutions offer an effective answer by automatically transcribing spoken phrases and aligning them with video timestamps, allowing authors to concentrate more on their creative qualities.

Some subtitle generators can translate subtitles into 100+ languages with AI’s help and can be a time and cost-efficient tool for both content creators and professional translators.

High Accuracy

With high-quality AI-powered subtitle generators, an accuracy of up to 97% can be expected, and timestamps are precise. However, the accuracy of the transcribed subtitles also depends on factors such as audio clearness and accents and can be disturbed by background noise, etc. The good news is that technology is continuously developing meaning we can expect an increasing accuracy of AI-created subtitles where those disturbing factors with time will influence less due to advancements in the AI’s ability to transcribe.

The errors one can experience is word misheard by the AI, leading to wrongly transcribed words. This emphasizes the value of manual review and editing to guarantee that the subtitles accurately reflect the intended message and maintain the integrity of the text.

Tips for Subtitling Videos

Although subtitle generators will do most of the work for you it’s still good to know the best practices for subtitling videos. Here are a few tips.

  • Accuracy is Key

Ensure that the subtitles accurately reflect the spoken dialogue or content of the video. Incorrect or mismatched subtitles can lead to confusion for viewers.

  • Synchronization

Time the subtitles accurately to match the spoken words. Subtitles should appear and disappear in sync with the audio, allowing viewers to read comfortably.

  • Conciseness

Keep subtitles concise and easy to read. Aim for around two lines of text per subtitle frame, with a maximum of around 35-40 characters per line.

  • Language and Tone

Use language and tone that is appropriate for the content and the target audience. Maintain consistency in tone throughout the subtitles.

  • Speaker Identification

When multiple speakers are involved, clearly identify who is speaking. This can be done using different subtitle colors, fonts, or labels.

  • Punctuation and Formatting

Use proper punctuation and formatting to aid readability. Use appropriate line breaks, capitalize when needed, and maintain consistent formatting.

  • On-Screen Time

Keep in mind the pace of on-screen content and the viewer’s reading speed. Subtitles should provide enough time for reading without feeling rushed. You can also shorten the subtitles for easier readability.

  • Translate Thoughtfully

If translating subtitles to another language, prioritize accuracy and cultural sensitivity. Literal translations might not capture the full meaning.

  • Font and Styling

Choose a legible font with good readability. Ensure the text stands out against the background without being distracting.

  • Proofreading

Thoroughly proofread the subtitles for errors, typos, and timing accuracy before finalizing them.

  • Testing and Feedback

If you have the possibility you can test the subtitles with a diverse group of viewers and gather feedback. This can help identify any issues and improve the overall quality.

  • Adapt for Accessibility

Consider creating separate subtitle tracks for different languages, as well as tracks for the hearing impaired with additional descriptions of sounds and non-verbal cues.

  • Consistency

Maintain consistent style, terminology, and formatting throughout the video. This ensures a professional look and feel.

  • Adapt for Different Platforms

Subtitles might need adjustments for different platforms due to screen sizes, player settings, and viewer preferences.

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In Conclusion

Subtitles play a pivotal role in engaging a diverse global audience. AI-powered subtitle generators streamline the process, while human oversight ensures accuracy.

The benefits of subtitles are extensive: they enhance inclusivity, boost SEO, increase social media engagement, enable multilingual access, improve marketing effectiveness, and enrich educational experiences. AI expedites the process while adhering to subtitling best practices guarantees clarity.

In essence, the dominance of videos and AI-powered subtitles is reshaping communication. This fusion offers a universal connection, combining technology and human touch to enhance engagement and understanding across languages and cultures.

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