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The Workspace is the default application in STx. The Workspace is where you organise your project's sound files and run your analyses.

Stx ug workspace compact overview.png

When you open a sound file in STx, it is added to your project file. The sound files in your project are listed in the Files list:

Stx ug workspace compact overview files.png

When you select a sound file in the Files list, any segments the sound file contains are displayed in the segment detail view:

Stx ug workspace compact overview detail.png

When you want to analyse part of your sound file, you select a segment of the sound file and then choose either Start from the Analysis or Transcription controls. This will open a new window with the relevant analysis.


The Analysis section will by default display a narrowband spectrogram with formants tracks as well as an F0, RMS and wave graph of the selected segment.

Stx ug workspace compact analysis.png

You can enable/disable graphs here, before starting the analysis. If you need other features, please use the Setup dialog.


The Transcription section of the workspace lets you start the Transcription application. This application was specifically designed for transcribing.

Stx ug workspace compact transcription.png

You can change some basic settings here:

Display the sound file as a waveform or both a waveform and a spectrogram (see here for more details).
block length
If the sound file is long, you can view it in blocks to increase loading speed.
step size
When scrolling through blocks, the next block will overlap by this value with the last block.
Start the Transcription application.
Open the setup dialog for further settings.

Compact and Extended Mode

By default, the Workspace starts in the Compact Mode. This is a simplified GUI which enables quick access to the most frequently used functions of STx. The Workspace can also be run in Extended Mode, which exposes all STx functionality to the user. To change mode, choose either Compact or Extended from the File->Select Workspace Mode menu.

The Compact mode was added to STx in version 5.0.


The Extras menu contains some extra functionality, you might like to quickly access from the Compact mode.

Start Realtime Spectrum Analyser
Analyse an audio input signal in real-time.
Start Signal Recorder
Record a sound file from any audio input.
Start Signal Plot and Edit
Plot a waveform of the selected segment. This is also a basic wave editor.
Export Parameters
Export previously calculated parameters.
Copy Parameters to Clipboard
Copy the selected segment's parameters to the clipboard.
Import Segments from Wordlist-File
Import a transcription from a file. One sentence per line. This estimates the position of the segments based on word length.
Import Segments from Textgrid-File
Import a TextGrid file into the selected sound file.
Segment automatically using runMAUSBasic
Segment the selected sound file using the WebMAUS interface runMAUSBasic.
Export Segments to Sound Files
Export each of the selected segments to an individual sound file.
Anonymize Signals and Transcriptions
Anonymize the selected sound file's segments based on a segment attribute.
Signal Up/Down Sampling
Upsample or downsample a sound file.
Show Scripts Dialog
Display the scripts dialog in the Workspace to load and run scripts.
Show Find/Select Dialog
Display the Find/Select dialog in the Workspace to search for segments contain the search term.
General Settings
Open the general settings dialog.