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  • Image showing a screenshot of the main page of Teleo
  • Image showing icon legend
  • Image showing the following message: Join chat, key must be given to you by your host.
  • Image showing the following message: Access as a host, the key must be granted by your institution.
  • Image showing the option to adjust the font size displayed in the application
  • Image showing a screenshot of the "Profile and Settings" screen
  • Image showing the terms and conditions of Teleo

What does it consist of:

Tleo is a simultaneous transcription application that facilitates communication and encourages the inclusion of people with reduced or no hearing in the classroom.

This app is free and compatible with smartphones, tablets and computers translating into text, simultaneously, any class, presentation, spoken conference, among others. Additionally, these transcripts are saved for later reading and access for study.  

Forms of Acquisition:

We can download the "Tleo" application for free from the Android Play Store or from the App Store.

Download the Android version at the following link:

Pressing this image will open a new tab with the link to obtain the app Android version

Download the iOS version at the following link:

Pressing this image will open a new tab with the link to obtain the app iOS version

In addition, we can access it for free, from a web browser, either from our mobile device or from a computer through the following link:

https://tleo.app/app/#/menuWeb

It is important to mention that the web version is only for accessing talks and it is necessary to know the access code for the talks.

In the information described in the Play Store, we observe a "Plans and services" section, differentiating the features available in said plans:

Free plan

  • Text to speech: Teleo reproduces what you type
  • Transcribe any conversation
  • Save transcripts to remember your conversations

Premium Plan

  • Simultaneous transcription in several languages ​​on different mobile devices, tablets or computer.
  • It is used for Education, Talks, Congresses, Tourist Guides, Museums, Academies, tourist routes.

If you wish to contact the application developers to receive more information about Tleo or solve any problem associated with the application, you can call 95 222 47 70, write to tleo@tleo.app or fill out the contact form available on the web https://tleo.app/home/    

Technical verification:

Date: February 2022

User interface

On the main page of Tleo we find 6 icons, distributed in two columns, three on each side, which have the following functionalities:

Image showing the main page of Teleo

Icon image used to represent simultaneous transcriptionSimultaneous transcription: allows you to convert speech to text and text to speech in real time. If we press the button represented by a question mark (label 1), a guide will be shown on the screen to recognize the functionality of each icon on this screen.

How do we convert speech to text?

If we press the button represented by a microphone, the transcription starts (the icon flashes, alternating gray and red), the application is in active listening and when it detects voice it will automatically convert it to text. This text will appear in the area labeled with the number 4 and will remain there until we press the send button (label 5).

How do we convert text to speech?

If we touch the area labeled 4, we can enter text and it is necessary to press the button labeled 5 and then the icon of a speaker (label 6) so that the other user (hearing person) can hear the written text. The voice that is reproduced when pressing said icon, uses the voice synthesis that is configured in our device (for example, the Google voice synthesis engine, comes pre-installed in most Android devices), remember that you can configure the speed and the tone of the text that is read, in the accessibility menu of the device.

Image showing the simultaneous transcription screen numerically labeled to facilitate the explanation of how it works in this review     Image showing the history of our transcripts

This screen also includes the button that allows us to access the transcript history, which is displayed ordered by date, with the most recent transcript appearing at the top. By clicking on any transcript it will be displayed on the screen. Also, if we want to delete a transcript, we just have to press the delete button and click on said transcript.

Image of the icon used to represent the QR scannerQR scanner: Thanks to this option you can scan a QR code and access a talk, class or event.

Image of the icon used to represent the "Chat Access" functionalityEnter chat: This option allows us to access a class or event through a password that must be entered by the user. The key must be given to your host.

Image of the icon used to represent the "Create Chat" functionalityCreate talk: Thanks to this option, the user can create a class or event so that other people can attend and follow the talk live. To access this option, you must enter the password provided by your institution.

This option is from the premium plan, but it is visible on the main screen for all users who have downloaded the application.

Tleo has agreements with public or private organizations, schools, universities, among others, to provide its service and provide users with hearing difficulties with a tool to enjoy their classes.

Unfortunately, many universities do not have classes adapted to the needs of these students (for example, a sign language interpreter), and without a doubt, using Tleo could alleviate these deficiencies in universities.

Image of the icon used to represent the "My Chats" functionalityMy talks: This option allows us to access our talks whether they are created by us or those we have joined.

Image of the icon used to represent the "Profile and Settings" functionalityProfile and settings: When entering this option, the following options appear:

 Image showing the "Tleo Profile and Settings" screen      Image showing font size adjustment     Image showing "Reset app" option         

  • Username: This option allows you to modify the username that will be visible when you enter a “chat”. By default, the username is “Username” and you can replace it using alphanumeric characters, we have not observed a character limit.
  • Font size: The user can adjust the font size according to their preferences or needs. This field can take values ​​between 10.0 and 80.0, with 10.0 being the smallest font size and 80.0 being the largest.
  • Reset App: This option allows us to delete all transcripts and talks, it is necessary to press the "Confirm reset" button.

It would be interesting if the application shows a message on the screen confirming the changes made.

  • About the application: access to the terms and conditions of Teleo.

Technical performance

Reliability

The application, both in the web version and for mobile devices, did not present unexpected closing errors, but the following points were observed that we must take into account:

  • On the mobile app, if you don't have an internet connection, only the "Simultaneous Transcription" option will work.
  • During the tests carried out on the application, we tried the “Reset app” option, however, our transcripts were still visible in the history.

Regarding the “Simultaneous Transcription” functionality, speech recognition (speech to text), we observed that the transcription was not very accurate, some words were lost and other words were not transcribed correctly. However, the final result of the transcription was good and to give it an approximate numerical value of accuracy based on our experience, we could say that the accuracy or quality of the transcription was 85% when it was a class or conference and 95% when it was an informal chat with friends or family (shorter sentences were used).

Remember that the accuracy of the transcripts can also be affected by the quality of the microphone of our device, the intensity of the voice, the speed with which we speak or the host/teacher speaks, the way of pronouncing, the background noise, etc.

Consumption

During a period of one week, we have verified that the consumption of the battery is minimal.

Versatility and compatibility

Tleo is a free access multiplatform application:

  • Access through a web browser (Chrome, Firefox, Opera, Microsoft Edge, among others) from any mobile phone, tablet or computer.
  • Access through the mobile application for mobile phones or tablets with Android OS version 5.0 or later.
  • Access via mobile app on iPhone running iOS 10.2 or later and iPad running iPadOS 10.2 or later.

Security and privacy

According to the terms and conditions of Tleo, it is ensured that this application does not save any type of personal information on its servers, only the content of the talks that are given are saved anonymously.

Some security features observed are as follows:

  • There is no way to create an account associated with the application, therefore, access to the application is without registration (there is no username or password).
  • There is the “Reset App” option, which deletes all the user's transcripts.

Affordability

Teleo can be used as an accessibility tool for people with reduced or no hearing.

Thanks to Tleo, people can communicate and enjoy their classes, talks or other types of events without the need for a sign language interpreter.

Within the app, the user has only the possibility to increase the font size, but we can make this app more accessible with the settings provided by the device itself. For example, if we use the mobile version, we can access the accessibility settings and activate or configure them according to our needs: invert colors, color correction, high contrast text, control with switches, among others.

Conclusions

Tleo is an application that promotes the inclusion of people with hearing difficulties in the classroom.

In addition, it can be used as a communication tool, translation, pedagogical tool or used in other types of educational or work situations.

Without a doubt, we have verified that this application is useful and easy to use, it has a simple and pleasant interface.

We have observed that there are different ways to make this application useful, below we will list the most interesting:

  • To communicate with your family, friends, university classmates, teachers, co-workers, among others.
  • To enjoy your classes, conferences, talks, tour guides, among others.
  • As a subtitle tool for videos or audios without subtitles.

Although it is true, there are features that can or should be improved (for example, resetting the app), but the current limitations do not significantly affect the use of the application.

Below, we mention the main highlights and improvements that we have observed:

Highlights

  • It is possible to modify the size of the font.
  • All transcripts and talks are saved.
  • The user can access unlimited chats.
  • No need to create an account.
  • It is possible to use the “Simultaneous Transcription” functionality without an Internet connection.

Improvement points

  • The information seen in the section How does it work? of the Android Play Store it is outdated and could lead to user confusion.

In addition, on that same page they provide information about a "Premium Plan", however, within the application there is no way to access more information, request or subscribe to that plan.

  • The errors presented in the “Reset App” should be corrected and the communication to the user when deleting the transcripts improved (for example, showing a message on the screen that the deletion has been carried out).

 

 

 

  • Design and manufacturing: 4 5 on.
    4
    This section refers to the physical aspects and details of the manufacturing of the technological product
  • User experience: 4 5 on.
    4
    This criterion is linked to the user's assessment when relating to the technical product or application.
  • Technical benefits: 3 5 on.
    3
    Description of the quality of the technical specifications of the technological solution
  • Accessibility: 3 5 on.
    3
    It is the degree to which people can use or access a product, technological solution or service, regardless of their technical, cognitive or physical abilities

Social valuation:

To verify the operation and design of the Tleo application, we have had the help of José Caruana Reina.

José is a volunteer with whom we collaborate to analyze and assess products intended to help people with hearing difficulties. In this case, we have relied on José to carry out a series of tests on the most important functionalities that are available in the application.

  • Simultaneous transcription: The most important functionality of the application which allows us to convert speech to text and text to speech in real time whose operation has already been explained above.
    During the trial period, it has been appreciated that the interface is simple, since it allows a very intuitive use and is easy to learn. However, we have also become aware of some aspects of the app's operation that may be somewhat uncomfortable for some people.
    Like, for example, the need to be aware of saving the transcript from time to time so as not to lose the conversation.
    Another negative point is that, once the text is saved, the application only allows you to read it or play it in audio. This implies that the transcribed text cannot be manipulated or copied and pasted to another application.
    In addition, José tells us that, although the intention of educational use is good, these limitations of the transcribed text make it difficult to use it in tasks such as preparing a class or a talk. He also added that, in case of handling difficulties, the fact that it cannot be converted to Word or pdf is a big problem.
  • create chat: This section of the application has turned out to be unproductive due to the need to enter a password indicated by the organization even though you have accessed as host. This means that the user cannot create a chat with family or friends as they do not have an access code.
    Another aspect that we have noticed is the null description of the Premium Plan necessary to create chats on a personal or work level.
  • enter chat: Section that has not been evaluated in depth, in which it allows us to join a chat if we have an access code.

 

In general, the application fulfills its function correctly, transcribing instantly. This does not mean that there are some aspects that have to be updated to catch up with other similar applications.

On the other hand, the lack of information about the Premium Plan and how to get or create access codes is worrying. Neither in the application nor on its website do we find information about it, it only remains to try to get in touch through the website in its contact section.

The conclusions that José leaves us are a bit bittersweet since he is grateful that applications like Tleo continue to be developed since they greatly facilitate the day-to-day life of a person with reduced or no hearing. However, he also tells us that the limitations of not being able to create a chat with a friend, family member, or several people weigh heavily on an application of this type. This last point means that Tleo does not represent a big change among the apps with similar functionality currently available on the market, leaving it only as an application that can come in handy for its transcribing function in a specific situation.

 

 

 

  • Impact and utility: 3 5 on.
    3
    Describes to what extent the functionalities of the product are useful and impact on improving the life of the user
  • Usability and accessibility: 3 5 on.
    3
    Possibility of the device to be used, understood and taken advantage of under equal conditions for anyone
  • Design and ergonomics: 3 5 on.
    3
    Assessment of how the design of the technological solution adapts to the person to achieve greater comfort and efficiency when using it
  • Ease of Acquisition: 3 5 on.
    3
    It refers to the possibilities of accessing and acquiring a technological solution by the user.

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