Create video narration for free with machine voice! Explaining how to use recommended AI text-to-speech apps and software

Are you worried about what to do for narrations in your YouTube or SNS video production?

Actually, by using the latest AI apps and software, anyone can easily produce high-quality video narrations with machine voices!

There are also free AI apps and software available, so you can improve the quality of your videos without spending any money.

In this article, we will explain in detail how to utilize machine voices for YouTube video narrations.

We will also explain how to actually use free AI text-to-speech apps and software, so why not refer to this article and try adding machine voice narrations to your YouTube videos?

[Free] Recommended AI Apps for Creating Video Narrations with Machine Voices

If you want to add machine voice narrations to YouTube or SNS videos, the AI app Ondoku is recommended!

Ondoku is a text-to-speech app that allows you to create video narrations using the latest speech synthesis AI.

Since it is a web app used from a browser, no installation is required and it can be used easily right away!

Thanks to the latest AI, it is possible to create easy-to-hear voice narrations that are completely different from previous machine voices!

Plus, Ondoku is free!

You can read up to 5,000 characters for free, so you can complete your YouTube video narration at no cost.

If you are looking for machine voice text-to-speech software or apps, Ondoku is recommended.

Why not try reading your YouTube or SNS video narrations for free with Ondoku's AI machine voice?

[Free is OK] Explaining How to Create YouTube Video Narrations with Machine Voices

First, we will explain right away how to create narrations for YouTube videos using machine voices.

Anyone can create them easily, so it's safe even if you are making a video for the first time.

1. Write the Script Text for Machine Voice Reading

First, create the script text for the AI machine voice to read, according to the purpose such as entertainment videos, explanation videos, or corporate promotion and branding videos.

When writing the script text, it is recommended to keep the length of the video in mind.

When read by an AI machine voice:

• 2,000 characters: approx. 5 minutes
• 4,000 characters: approx. 10 minutes

in length.

Especially for entertainment videos or corporate promotion videos, it is recommended to make short videos of around 5 minutes, as it is easier for viewers to maintain their concentration.

If you cannot think of content for the script text, it is also recommended to try speaking the content you want to turn into a video and using voice input on your PC or smartphone.

For scriptwriting software, any software that can write text is OK, such as Notepad, Microsoft Office, or Libre Office.

Points for Creating Script Text for Reading with Ondoku

The point when writing script text for reading with Ondoku's AI machine voice is to include a "." (period) at the end of sentences.

With Ondoku's AI machine voice, it reads with a pause to take a breath where there is a ".".

By including ".", you can create natural AI machine voices that are easy to hear.

2. [Free] Reading YouTube Video Narrations with Ondoku

Once the script text is ready, create the narration voice for your YouTube video with the AI reading app Ondoku.

After opening the Ondoku top page, paste the created script text into the text box.

Select the language and voice.

In Ondoku, you can select AI machine voices from a wide range of options, including women, men, and children.

For example, in Japanese, you can read with 16 types of AI machine voices.

You can listen to the voices on this page, so please take a look.

In Ondoku, you can also set the pitch and reading speed of the AI machine voice.

You can leave them as default at first.

Now you are ready.

Press the "Read" button to start creating the narration voice!

The reading process will be completed soon, so please wait with the screen open.

When the AI reading of the narration voice is complete, the screen will switch and an audio player will be displayed.

Listen to the audio, and if there are no problems, press "Download" to save the file.

Convenient Ways to Save Narration Audio in Ondoku

Save Narration Audio in WAV Format

When you press "Download" on the Ondoku top page, the audio file is saved in MP3 format.

In addition, it is also possible to save audio files in WAV format.

To save as a WAV file, open the Ondoku history page.

The history page displays a list of reading results like this.

Press "WAV" on the left side to save the audio file in WAV format.

Save AI Machine Voice Files Separately

The narration voice created with Ondoku can also be downloaded separately by dividing it for each sentence.

To download divided narration voices, press "Split" on the right side of the history page.

The split download page opens.

After entering the pause time, press "Split and Download" to download the files.

*The pause time can be left at the default setting.

Then, the machine voice files will be divided and downloaded in ZIP format.

Depending on the content of the YouTube video, this can be more convenient to edit than downloading the entire audio at once, so please try using both methods.

The separate download of reading files is also explained on this page.

Please take a look.

3. Edit Video Using Machine Voice Narration Created with Ondoku

After creating the narration voice, edit the video for upload to YouTube or SNS.

Typical video editing software includes:

• Adobe Premiere Pro
• DaVinci Resolve
• AviUtl

Video editing software is explained in this article.

Please take a look.

Editing Method When Downloading the Entire Narration Voice as is

When you download the AI machine voice narration created with Ondoku as is, first, place the audio on the timeline of the video editing software.

Next, place the video according to the audio.

If you want to take a gap between voices, cut the audio with a tool to cut materials (e.g., Razor Tool in Adobe Premiere Pro, Blade Tool in DaVinci Resolve) and leave an interval.

Editing Method When Downloading the Narration Voice Separately

When you download the AI machine voice created with Ondoku separately, first, load all audio files into the video editing software.

Next, select all audio files within the video editing software and place them on the timeline.

When you download audio separately with Ondoku, the file names are numbered sequentially.

Therefore, it is possible to arrange them in order simply by selecting all and loading them.

Then, edit the interval between audio files according to the video materials.

4. Upload the Created Video to YouTube

Once the video is complete, upload it to YouTube or SNS.

The point when uploading to YouTube is to set the language of the video.

In the YouTube video detail information screen, you can select the language used in the video, such as Japanese or English.

By setting the language here, viewers will be able to use automatic subtitle and automatic translation functions.

Also, it is recommended to set subtitles you created yourself for the video.

You can set them yourself based on the script text, but if you want to add subtitles easily, it is recommended to use the AI transcription service Mojiokoshi-san.

Since "SRT" format subtitle files used for video scripts can be automatically created by AI, you can add high-quality, easy-to-read subtitles without tedious input work.

This completes the flow of creating YouTube video narrations with Ondoku's AI machine voice.

Since you can read with high-quality AI machine voices very easily, why not use Ondoku to create YouTube video narration voices for free?

What is Machine Voice? Points for Creating Video Narrations with Latest AI Apps/Software

Machine voice allows for the easy creation of video narrations.

Actually, with the advancement of AI technology, it has become much more convenient to use than before.

We will briefly explain the features of the latest AI machine voice.

Introducing Features of Machine Voice & AI Narration

Machine voice refers to audio created by reading text content using speech synthesis technology.

It is used in many fields, including YouTube video narrations, broadcasts in stores and facilities, and automatic phone response systems.

The technology of machine voice has existed for a long time, but previously it could only read with awkward voices that sounded like robots.

But today's machine voice is different.

With major advancements in AI technology, it has become possible to generate clear and easy-to-hear audio, as if a professional narrator were truly reading it.

Since it can be used for video narrations without feeling out of place, it is widely utilized on various video sites and SNS such as YouTube, TikTok, and Instagram.

With AI Machine Voice, You Can Create Narrations for Free!

A major feature of AI machine voice is that it can be used for free!

The AI reading web app Ondoku allows for free voice reading.

You can create high-quality narration voices and easily make attractive YouTube videos right away.

What are the 3 Merits of Using AI Machine Voice? Easy Creation for Free

If you want to make videos smoothly with low cost, AI machine voice is recommended!

We will explain the merits of AI machine voice.

1. AI Machine Voice Allows for Free Video Narration Creation!

The greatest merit of creating video narrations with AI machine voice is that it can be used for free!

If you request a professional narrator to record video narration, it will cost tens of thousands of yen even for a short video.

But with machine voice, you can create video narrations completely free of charge using free AI reading apps/software.

Even when using paid apps/software, they can be used starting from around 1,000 yen per month, so you can prepare narrations at a much lower cost than requesting a professional.

With the AI reading web app Ondoku, you can create machine voice narrations for YouTube videos for free.

If you are making video narrations, we recommend experiencing Ondoku for free first.

2. Video Narration Audio is Completed Immediately. Shorten Video Editing Time

Another merit of AI machine voice is that it can significantly shorten video production time.

If you request a professional narrator, it will take several days from booking the recording to the delivery of the audio.

Also, if you record yourself, a long time is required for recording and audio editing.

But AI machine voice is different.

By using an AI reading app/software, video narration is completed in just a few seconds simply by entering text.

Since it does not take time to create narrations, you can edit and post videos immediately.

Since AI reading apps and software can be used 24 hours a day, anytime, another point is that you can edit as soon as you think of making a video.

3. Video Narration Audio Content Can Be Modified Easily Any Number of Times

With AI machine voice, modifying video narrations is also easy.

When making a video, you may want to change the content of the narration.

With AI machine voice, modifications are completed easily simply by reading a new script.

The cost for a professional narrator to re-record, or the time and effort for recording yourself, are all unnecessary.

Because it's easy to modify, you can create video narrations that you are satisfied with.

In this way, AI machine voice has many merits perfect for video narration.

Why not try creating YouTube video narrations with the AI reading web app Ondoku?

What Videos Can AI Machine Voice Narration be Used For? Detailed Explanation of Recommended Genres

AI machine voice narration can be utilized in various types of videos!

From here, we will explain the types of videos where machine voice narration is particularly effective.

AI Machine Voice Narration is Ideal for Explanation/How-to Videos

Machine voice is most suitable for explanation videos and How-to videos.

The most important thing in explanation videos is to convey information accurately and clearly.

With machine voice made with the latest AI, it reads with an easy-to-hear voice like a professional narrator, so viewers can understand the content smoothly.

Also, explanation videos are often uploaded periodically with new content.

AI machine voice only requires writing script text, so you can easily post videos daily.

Product Introduction Videos and Promotion Videos are also a Perfect Match for AI Machine Voice

AI machine voice is also ideal for narrations in product introduction videos.

Like explanation videos, the easy-to-hear narration of the latest AI machine voice can convey the charm of products clearly.

It is recommended not only for individuals making product explanation videos but also for companies making official promotion videos.

Unlike previous machine voices, latest AI machine voices can generate high-quality narrations that are perfectly fine to use in corporate official videos.

What is particularly recommended for corporate official videos is creating foreign language product introduction videos, promotion videos, and branding videos in multiple languages.

The AI reading app Ondoku supports machine text-to-speech reading in many languages, such as Japanese, English, Chinese, and Korean.

Since there is no need to look for foreign language narrators, you can easily create videos to appeal to overseas customers.

Utilize AI Machine Voice Narration for Internal Training and Manual Videos

AI machine voice narration is also recommended for corporate internal training videos and manual videos.

In training videos, accuracy of content and ease of hearing are very important.

By using easy-to-hear AI machine voice, trainees will be able to understand the content correctly.

Also, by using the same voice for all videos, another point is that you can create a sense of unity across training content.

When training content changes, AI machine voice allows for immediate replacement with new narration audio.

Of course, for internal training and manual videos as well, the multilingual reading unique to AI machine voice can be conveniently utilized.

Using Machine Voice in Combination with Your Own Voice or a Narrator's Voice is Also Recommended

For video narrations, it is possible to record yourself or request a professional narrator.

Depending on the content of the video, combining machine voice with your own voice or a narrator's voice is also recommended.

What is recommended for individuals posting videos to YouTube is creating narrations for parts other than where you are speaking in the video material with AI machine voice.

For example, by creating narrations for parts other than where you are speaking in a travel video with AI machine voice, you can create videos more easily and in a shorter time.

Also, what is recommended when creating videos at a company is using machine voice when updating the content of internal training or manual videos.

By leaving the parts already recorded by a professional narrator as they are and creating the video narration for newly added parts with machine voice, you can renew the video content more smoothly and quickly.

AI machine voice can be used conveniently both when making new videos and when editing existing ones.

For future video narrations, AI machine voice is recommended.

Why not try creating easy-to-hear AI narrations with the AI reading service Ondoku?

Points to Check When Choosing an AI Machine Voice

When creating narrations for YouTube or SNS videos with AI machine voice, there are points you should definitely check.

Please refer to these when choosing AI reading apps and software.

Check if the AI Reading App or Software Supports Commercial Use

One thing to check when making narrations with AI machine voice is whether it supports commercial use.

If monetizing a YouTube channel, it is recommended to choose an AI reading app/software that supports commercial use.

Also, when creating promotion or branding videos, how-to videos, or internal training videos at a company, it is necessary to choose an app/software that supports commercial use.

Note that depending on the AI reading app or software, commercial use might be prohibited or require additional fees.

The AI reading web app Ondoku is OK for commercial use even when used for free!

The commercial use of Ondoku is explained in detail in this article, so please take a look.

Check if it Supports Reading of Technical Terms. Dictionary Function is also Recommended

Something to check when making explanation videos, corporate promotion videos, or training videos is whether it supports the reading of technical terms.

When making narrations with AI machine voice, if it misreads technical terms or proper nouns, it will take effort to modify them.

AI reading apps and software using the latest AI speech synthesis engines can read with high accuracy and without mistakes.

Furthermore, to be perfectly sure, it is recommended to use an AI reading app or software that has a dictionary registration function.

The AI reading web app Ondoku has a dictionary function, so by registering words such as names of new products, you can create AI machine voices with even higher accuracy.

Please see here for details about the dictionary function of Ondoku.

Why Not Try Creating YouTube Videos Easily with AI Machine Voice?

In this article, we explained the methods and points for creating video narrations with AI machine voice.

By using the latest AI reading software and apps, anyone can easily create high-quality video narrations.

Since you can create high-quality video narrations for free and in a short time, you can upload videos with substantial content and increase the number of views and subscribers.

With the AI reading web app Ondoku, anyone can easily create narration audio from a browser.

First, we recommend actually trying to make a video narration for free with Ondoku.

Why not try creating attractive videos by utilizing AI machine voice?

■ AI voice synthesis software "Ondoku"

"Ondoku" is an online text-to-speech tool that can be used with no initial costs.

• Supports approximately 50 languages, including Japanese, English, Chinese, Korean, Spanish, French, and German
• Available from both PC and smartphone
• Suitable for business, education, entertainment, etc.
• No installation required, can be used immediately from your browser
• Supports reading from images

To use it, simply enter text or upload a file on the site. A natural-sounding audio file will be generated within seconds. You can use voice synthesis up to 5,000 characters for free, so please give it a try.