Multilingual Speech Translation Application
VoiceTra

Manuals


Screen Components

1. Speech translation screen
VoiceTra画面
  • The input results, translation results, and reverse translation results (meaning of translation results) are displayed, in that order.
  • To edit the input text, tap VoiceTra画面.
  • Tap VoiceTra画面 to listen to the speech output again.
  • To expand the result display area, swipe right/left in each field.
  • The translation results are translated back into your own language and shown in the reverse translation display area (Meaning of translation results). If the text shown here has the same meaning as your original input, the translation results are considered accurate.

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2. Other settings
VoiceTra画面

To display the settings menu, tap VoiceTra画面 at the top right corner of the screen.

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3. Language settings
VoiceTra画面

Select the languages to translate between.
Hold down the target language tab on the speech translation screen or go to "Other menu items""Settings" → "Language settings" to display this screen.

  • The selected language should be marked with a ‘check’.
  • The screen components are indicated in [green] when selecting the input language (your language) and [orange] when selecting the target language (the language you wish to translate to).
Key to icons
  • マイクマーク…Speech input
  • スピーカーマーク…Speech output
  • …Trial version

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Operation Method

1. How to select languages

The language can be changed in two ways.

VoiceTra画面
Hold down the target language tab (only when changing the language preference of the other person)
  1. To display the "Language settings" screen, hold down the target language tab.
  2. Tap the language you wish to select, confirm that the language preference is checked, and tap the OK button.

VoiceTra画面
Change from the "Settings" screen
  1. To open "Other settings", tap VoiceTra画面 at the right end of the operation menu.
  2. Select VoiceTra画面.
  3. Select the languages to translate between under "Language settings".
  4. The "Language settings" screen should be displayed. Select the language(s) and tap OK.

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2. How to change the direction of translation and display the translation results to show the other person.
VoiceTra画面

Tap or swipe the target language in order to change the input language.

VoiceTra画面

Only the translation results will be displayed once the input language has been changed. Show this screen to the other person and swipe the target language to take turns.

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3. Speech input
VoiceTra画面

Tap the microphone button and speak while holding the device close to your mouth.

VoiceTra画面
Tips for inputting speech

Keep your message brief and concise. VoiceTra cannot translate complicated expressions.

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4. Text input
VoiceTra画面

To enable text input, tap your language preference.

VoiceTra画面

Enter text via the keyboard, and tap "Done".

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5. Tips

Display and use the Tips screen to explain how to use the app to the other person.
Refer to "Tutorial" when giving further explanations.

VoiceTra画面

Tap VoiceTra画面 in the operation menu at the top of the screen.

VoiceTra画面

Select a topic from the tutorial list to show the other person.

VoiceTra画面

The tutorials are given with illustrations and text.
When Japanese or Chinese or Korean is selected as the other person's language, the explanation is given in their languages. For other language preferences, the explanation is given in English.

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6. How to change the font size
VoiceTra画面

Tap VoiceTra画面 in the operation menu at the top of the screen.

Three font sizes are available.

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7. How to report errors

The "Report error" function can be used to report errors which may be found in the results.

VoiceTra画面

Tap VoiceTra画面 in the operation menu at the top of the screen.

VoiceTra画面

The "Report error" screen will be displayed. Please indicate where the error(s) is contained and submit. See "Report Errors" procedure for further details.

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8. Other menu items
VoiceTra画面

To display setting menus, tap VoiceTra画面 in the upper right of the screen.

VoiceTra画面

The other menu items are displayed.

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Settings
VoiceTra画面

Tap "Settings" from the menu items in order to configure the settings.

VoiceTra画面

The following can be configured from the settings screen.

Language settings

Select the languages to translate between.
How to select languages.

Speech input
  • "Hold device to your ear to speak" ... Activates the proximity sensor and speech input can be triggered by holding the device to your ear as you would to speak on the phone.
  • "End speech input automatically"... Automatically detects the end of speech and starts translation without tapping the microphone button.
Speech output

You can select when to play the speech output (synthesized speech of the translation results) from the following options.

  • "Auto-play speech output when translated"... Plays speech immediately after the source language is input and the translation is completed.
  • "Play speech output when switching languages"... Plays speech when the input language is switched to the target language.
 

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History
VoiceTra画面

Tap "History" from the menu to view your past inputs of the selected language.

VoiceTra画面
Sort history

VoiceTra画面 Sort according to frequency of use

VoiceTra画面 Sort according to order of registration

VoiceTra画面
Delete history

Swipe the item in the history list to display the "Delete" button. (Long tap the item to display the delete menu for Android versions)

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Tutorial
VoiceTra画面

Tap "Tutorial" from the menu to display further details about how to use the app in both source/target languages.
When Japanese or Chinese or Korean is selected as the other person's language, the explanation is given in their languages. For other language preferences, the explanation is given in English.

VoiceTra画面

Select which language to display the tutorial in.

VoiceTra画面

The tutorial is given with illustrations and text.
Tap 'Next >' to read further.

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How to enter Experiment ID

An "Experiment ID" is provided by the organizer for those who are taking part in experiments.
*This setting is only for users with Experiment IDs.
This feature is used for experiments to collect dialogs at certain events and locations.

VoiceTra画面

Tap the "Experiment" from the menu.

VoiceTra画面

An authorization screen will be displayed. Enter your Experiment ID and tap "Send" to join an experiment.

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Fonts and keyboards

1. Fonts
Android

Non-OS-standard fonts for foreign languages will not be displayed properly.
Please install the fonts at your own risk.

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2. Keyboards
iOS

OS-standard keyboards are not available for Myanmar, Lao, and Khmer.
Please purchase the keyboards from the App Store as necessary. For Myanmar, please use a Myanmar3-supported keyboard.

Reference application (confirmed release as of Aug. 25, 2016)

NICT will not be held responsible for any trouble caused by installing the keyboards. Please use them at your own risk.

Myanmar (Myanmar3 supported)
・WeKey
Khmer
・ttKeyboard
Lao
・Souliyo Key - Lao Keyboard

Android

Please install non-OS-standard keyboards at your own risk.

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Important Notice

  • Data communication via the Internet is required to use VoiceTra and users are responsible for the fees incurred. VoiceTra can be used over both wired or wireless networks. Please note that the telecommunication fees can be expensive when roaming outside of Japan.
  • All data including input speech, text, their translation results, terminal information (including unique ID), communication history, history of application operations, and user location information collected through VoiceTra (hereinafter referred to as “User Data”) will be recorded on the VoiceTra servers managed by NICT. In order to process speech recognition and synthesis for the trial versions, the input speech data and the texts of the translation results are transmitted abroad to the organization in charge. NICT uses the User Data for making improvements in speech and translation technologies. The User Data may be utilized in different forms; thus, the Users are responsible to refrain from inputting any personally identifiable information, private information, commercially confidential information, or any information that should be kept secret from third parties into VoiceTra.
  • Whether or not expressly set forth in the terms and conditions of the use of VoiceTra, NICT will not be held responsible for any damages incurred on users as a result of using VoiceTra. NICT does not guarantee that the use of VoiceTra does not violate laws in all countries or regions of the world (including Japan).
  • The service may be suspended without prior notice due to maintenance, etc.
  • “VoiceTra” is made available to the public, particularly to conduct demonstration experiments (e.g. performance evaluation/improvement, usability survey, business model verification). Therefore, the service period is indefinite and may be terminated without prior notice.
  • VoiceTra is not designed for commercial purposes, etc. beyond the scope of personal use. Users who wish to use the technologies for commercial purposes, etc. are requested to contact NICT.

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