Text to speech dubbing

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A commonly used technique in video production, dubbing provides creators with an additional voice-over for their content. Here’s how to do it with TTS apps.

Table of Contents

Dubbing is a video production technique that involves adding a voice-over on top of a preexisting one. This process is common in filmmaking and various other forms of video recording. Nowadays, it’s possible to do it on your own with a little help from text-to-speech technology. As such, we’ll explain all there is to know about dubbing in the following few paragraphs. We’ll also let you in on which text to speech app to use.

Process of dubbing

As mentioned, dubbing is a standard video production technique. The basic idea behind it is to create a new soundscape to go over the video template. There are two use cases for which video editors and content creators engage in it.

The first one is to improve the sound quality, as the initial audio file (WAV or mp3) isn’t good enough to accompany the video. The second reason is to change the spoken language for the foreign market, all while not having to record the same video with new actors.

Dubbing is usually done in a professional recording studio. It involves high-end recording equipment and voice actors. Nevertheless, it’s not an easy task. The actor’s performance must match the one already recorded on the screen to disguise dubbing.

Disguising dubbing can be pretty tricky, especially when recording a voice-over in another language. Due to the differences in languages, the original performance and the dubbed voice-over won’t match perfectly and might appear pretty silly in retrospect.

Luckily, all this can be avoided with the use of synthetic voices. Text-to-speech apps provide us with an option to create a high-quality voice dub with a human-like voice for any type of video content without renting a recording studio or hiring actors. And all that in multiple languages.

Cost of dubbing audio using text to speech

To record dubbing audio, video creators need a studio, recording equipment, software, and voice actors. The cost of all these combined can quickly spiral into the five-digit territory. Sure enough, this isn’t a problem for some. However, if you’re just starting out in video production, you might want to consider a more budget-friendly option.

There are many voice cloning apps on the market. They differ in quality and features, as well as price. Of course, some of them include free voices, but they are limited in terms of what they have to offer. It’s recommended to explore premium options for natural-sounding voices, and most of them come with a starting price of $20-30 per month.

Online text to speech options

At this point, text-to-speech tools have pretty much become industry standards. Everyone is using them—from triple-A productions for video marketing to at-home YouTube content creators. And it’s no wonder. These apps have so much to offer and make our lives easier that they are only going to get more popular in the coming years.

With such high demand, it’s only logical for the supply to be vast. And it is, luckily. There are hundreds of voice generators that you can find online. All of them offer something different and are looking for their rightful place under the sun. Nevertheless, in this article, we’re going to focus on one of the most popular TTS apps—Speechify.


Speechify is a high-quality speech synthesis app that transcribes any writing into a fully audible narration in real-time. It offers over 30 realistic voices that speak in more than 15 different languages (English, Portuguese, Swedish, etc.), making it perfect for podcast, e-learning, or audiobook language dubbing.

Speechify’s API is based on machine learning, artificial intelligence, and optical character recognition. As such, it’s possible to turn hard copies of books into audio with a custom voice, thanks to some OCR magic. All you have to do is scan the physical text and voilà.

When it comes to AI voice-overs, all of them can be fiddled with. You can adjust the reading speed from under 200 wpm (average speed) to up to 900 wpm if you want a speed-reading approach to your video. Both for male and female voices.

Speechify is also available across all popular platforms. You can use it on iOS and Android devices, as well as a standalone app for Mac computers. Additionally, there are two plug-in versions for Google Chrome and Safari web browsers.

Lastly, all you have to do is subscribe and try a free trial version of Speechify. It last for three days, all features included, after which, you can go on and become a premium member. The upgrade to Speechify Premium is seamless, and it’s done in a few simple clicks.


What is the main function of text to speech dubbing?

Text to speech dubbing allows you to create voice-overs for your video content without the need of hiring professional voice actors, booking recording studios, and wasting time playing around with recording equipment.

What is the term for the recording of a voice over an audio or video file?

Recording additional audio is usually called dubbing and is used to compensate for poor audio of the original recording or to add another language voice-over. It’s a common practice in filmmaking and video content creation.

What is the difference between text to speech and speech to text?

Text-to-speech refers to turning written content into audio using AI voice narrators. On the flip side, speech-to-text is transcribing spoken content into text in the form of closed captions like subtitles in YouTube videos.

How does the text to speech function work?

Text to speech software relies on three basic components—machine learning, artificial intelligence, and optical character recognition. With these three combined, it recognizes letters, symbols, and words and reads them aloud using an AI narrator, all while learning along the way for further transcription.

What is the difference between text to speech dubbing and other types of dubbing?

Text to speech dubbing allows you to add a voice-over without the need of hiring professional actors, using your own voice, and losing time with the recording process itself. It’s a quick solution that provides high-quality dubbing in various languages.

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