All about UTT Files

The UTT file type is primarily associated with Festival.

UTT	File extension: UTT
	File type:	data file

What is a UTT file?

UTT files mostly belong to Festival. An UTT file is a specialized data file that stores speech utterance information or, in some cases, structured template data used for technical analysis.
For many instances, the file holds text that details spoken language elements—such as timing or prosody—for systems handling natural language. In these files, you may find a simple text or XML layout that defines each utterance for further processing in a speech synthesis system.
Other UTT files are formatted in XML and act as templates for software like AmiBroker, which many use to analyze market data. These XML files structure technical data similarly to a MetaStock template.
Key details as outlined by FilExt.com:

They can be plain text or XML based.

They hold precise data for speech synthesis or for charting financial information.

The file structure varies based on its use, so the required software will change accordingly.

FilExt.com notes: If you want to open an UTT file, first try a basic text editor to check its structure. For a file that appears to hold utterance content, a speech synthesis tool such as the one available from the Festival Speech Synthesis System may be used. Alternatively, if you suspect the file is an AmiBroker template, use AmiBroker or an XML viewer to examine its format.

How do you open UTT files?

You need a suitable software like Festival to open a UTT file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your UTT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a UTT file directly in the browser:. Just drag the file onto this browser window and drop it.

Online UTT Text Viewer

Choose your .utt file to view

or drag and drop it here

Online File Viewer

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How to extract texts from UTT files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

1. To do this, click the button "Choose your .utt file to view" on this page.
2. After your file is opened in browser,
3. click "Save as..." in the menu.
4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
5. Download the converted file.

UTT file format details:

To find out what program is needed to open UTT files, you need to determine the file format. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our evaluation of the UTT files looks like this:

The UTT file extension is rarely used and is primarily used by a single program. The two most popular formats are as follows:

• 70% of all UTT files start with the magic bytes *x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x, which are always the first bytes of this file format. These files are text files, so they contain words and text. The file size is in the range of 10 KB to 12 KB. The file type is very old and rarely used today. The files contain the following words: *x*x*x*x*x*x. An example of a file name is sw_0001_4325.utt or sw_0002_4330.utt.
• 10% of all UTT files are using the well-known XML file format to store the data. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. These files are text files, so they contain words and text. The files are often between 12 KB and 35 KB in size. The files contain the following words: <clsTemplateProperties xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">, Version and <?xml version="1.0" encoding="utf-16"?>. A usual file name is untitled_template.utt. These files are attributed to template.

All the rest of the UTT files (20%) have different formats, often, for example, EST. Sometimes used for arctic. You can get all the details of your UTT file by dragging it onto this page or by clicking the button "Choose your .utt file to view" above.