Click the "Select File" button above, and choose your MTI file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert MTI to another file type
To convert MTI Data files to another format, you need NuVoice or other Data software.
Convert a file to MTI
To convert other file formats to the "Proprietary Data File" file type, you need software like NuVoice or a similar tool.
About MTI files
The .MTI file extension is primarily used as an AAC device data file associated with NuVoice software by PRC-Saltillo. These files store vocabulary configurations, user settings, and personalized data for Augmentative and Alternative Communication (AAC) hardware. Alternatively, .MTI files function as Multi-wavelength analysis data files generated by Biochrom WPA software or Multiskan GO microplate spectrophotometers. A minor legacy use case is the MadTracker Instrument file created by MadTracker music software. These formats share the severe disadvantage of being highly proprietary and hardware-dependent. You cannot simply open an .MTI file on a standard PC or smartphone without the exact companion software. It is a closed format locked to specific medical, laboratory, or legacy audio ecosystems. Users typically want to convert .MTI files to CSV, XLSX, or TXT to analyze spectrophotometer data, or to PDF to backup AAC settings. However, standard online converters fail because the internal data structures lack public documentation. This makes the file exceptionally difficult to process. Often, only the original hardware or software can accurately read or export the data. Despite these limits, just drag and drop your file into convert.guru to identify the format, view it, and convert it when possible. Our system will inspect the file, extract readable text, and if we detect a supported underlying format, viewing or conversion may still be possible.
Convert.Guru analyzes your MTI file, detects the exact format, and lets you read the text inside.
If you want to convert MTI file to MP3, WAV, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS, ALAC, APE or WV, you can use NuVoice or similar software from the "Device Data & Settings Storage" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to MTI, try NuVoice or another comparable tool in the "Device Data & Settings Storage" category.
The MTI Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MTI converter.