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In order to start a recording session in STx, proceed as follows:

  • Select STx-Recorder Setup
  • Specify record settings (sampling frequency, # of channels etc.)
  • Select preferred recorder layout. Note: auto-run RTAnalyser is only available under Windows XP and Vista due to system limitations in Windows NT and 2000.
  • Specify theTemp-Directory for the recorder soundfile location (or use default)
  • Start recording:  

record_start..... Stop recording and save recorder sound file to destination directory and desired name (*.wav) The recorded soundfile appears in the STx sound file list.

Note: The default soundfile naming uses the actual date and time, such as rec-2008.06.05-12.55.37.wav. 

Note: externally recorded (i.e., already existing) sound files can be imported into STx by using either of the following methods:

  • From the Windows Explorer, drag the respective file(s) into the STx-workspace and drop them there.
  • Use the FindFile tool of STx to import them into the STx-DataSet.
  • Use the File→Soundfile→Open option from the pop up menu.

Note: The STx-Recorder automatically creates a soundfile segment named Signal. All  in the soundfile segment list with the start address 0 samples and the duration of the recorded signal in xxxxyyy samples.

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STx currently supports sampling frequencies from 500 Hz to 2 MHz at word lengths of 8, 16 and 24 Bits, provided that these formats are supported by the hardware and driver of your Windows sound subsystem. Up to 64 channels (48 kHz, 24 Bits) have been recorded simultaneously by means of an 8 x 8 microphone array. A binary word length of > 24 bits, higher sampling frequencies and alternative soundfile formats are available on request. For further hints about performing digitization see the Sections STx-Recorder Setup, I/O and General Soundfile Setup (the latter are only available in the STx documentation/help).

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