For Audio Learning! How to Create Audio Files for What You Want to Study [Can Be Done for Free]

June 20, 2025

For Audio Learning! How to Create Audio Files for What You Want to Study [Can Be Done for Free]

Do you know the study method called "Audio Learning," where you study by listening to audio?

Audio learning is a learning method where you listen with your ears, and it is gaining attention as a revolutionary study method that allows you to study anytime and anywhere by making use of spare moments.

Audio learning is said to have various benefits, such as:

  • Hands-free because it is audio
  • Ability to make use of spare time
  • Low hurdle to start studying
  • No buildup of study stress
  • Ability to fix knowledge in memory through repetition
  • Brain activation by visualizing the audio

Source: Oden Blog

However, even if you want to start audio learning, it is rare that materials for the specific content you want to study are available.

For example, even if you think, "I want audio materials for qualification exam preparation!", they are often not sold on audio learning websites.

Even if you know that audio learning is a great study method, you cannot study this way.

It is quite a waste.

But what if you could create your own audio for audio learning?

Therefore, this time we will introduce "how to create audio files that allow you to engage in audio learning for what you want to study."

For Audio Learning! How to Create Your Own Audio

"Do I have to read it out loud myself to create an audio file?"

Some people might think this.

Certainly, it is possible to create audio learning materials by outputting with your own voice.

However,

  • It can be embarrassing to study while listening to your own voice
  • You might get bothered by mistakes in reading

There are also disadvantages.

That is where you should use a text-to-speech service powered by the latest AI!

The most recommended service for creating audio for audio learning is the text-to-speech service "Ondoku".

Ondoku

"Ondoku" is a service that can read text aloud simply by entering text or uploading an image.

Since the text-to-speech processing is done on the website, anyone can easily use it from any environment, such as iPhone, Android, or PC, as long as they have an internet connection.

It supports various languages, including Japanese and English, and you can freely choose the type of voice, such as female, male, or child!

You can also adjust the pitch and speed of the voice, so it can read aloud in the voice that is easiest for you to hear.

Another great point is that it can be used for free.

The reading voice of "Ondoku" is so realistic and close to a human voice that it is hard to believe it is a machine voice.

There are many types of text-to-speech services, but the reading voice of "Ondoku" is particularly realistic.

It is highly popular because it is easy to hear, simple to operate, and can be used for free!

If you are going to create audio for audio learning, why not try "Ondoku" first?

With "Ondoku", it is also possible to convert images to audio!

Ondoku Image Reading

If entering text is a hassle, you can also read audio from images.

Take a photo of the part you want to read aloud and upload it to Ondoku.

Then you can easily have it read the audio.

The scanned characters will be displayed in the text box and can be edited later.

You can rest assured because even if there is a character recognition error from the image, it can be easily fixed.

There are already many people using Ondoku for learning.

I decided to memorize the key descriptions by ear and use my hands and eyes for other studies.
So, I made an audio file. Text-to-speech software is pretty good.
(This is an audio-only file) pic.twitter.com/aKWbjTya2s

— Watchi @ R2 First-Class Architect Exam Account (@wachish1978) October 1, 2020

 

When the staff at Ondoku finds tweets like this on Twitter, they can't help but follow the tweets and cheer them on.

Recommended for Audio Learning of Foreign Languages such as English, Chinese, and Korean!

Read more

The types of voices are not limited to Japanese.

Ondoku allows text reading in more than 30 languages besides Japanese.

  • Studying English
  • Studying Korean
  • Studying Chinese

It is recommended for those studying various languages such as these!

Especially in foreign language learning, it is very important to learn by listening to audio. It is very convenient to be able to create audio that fits your needs.

Moreover, the pronunciation is good!

Since it can read aloud in native pronunciation for any language, you can use it for listening and speaking.

Why not use "Ondoku" for free for audio learning?

"Ondoku" is free to read up to 5,000 characters per month. Reading beyond that requires a fee.

Downloading audio is very simple. You can download mp3 files immediately just by clicking the download button.

  • High school and university entrance exams
  • Language exams such as TOEIC and TOEFL
  • Qualification exams for skill development

Why not use "Ondoku" to proceed with your studies more effectively?

We would be happy if we could help you even a little through "Ondoku" as you work hard.

■ 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.

Text-to-speech software "Ondoku" can read out 5000 characters every month with AI voice for free. You can easily download MP3s and commercial use is also possible. If you sign up for free, you can convert up to 5,000 characters per month for free from text to speech. Try Ondoku now.
HP: ondoku3.com
Email: ondoku3.com@gmail.com
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"Ondoku" is a Text-to-Speech service that anyone can use for free without installation. If you register for free, you can get up to 5000 characters for free each month. Register now for free