HOLMImpulse 1.2.0.4

HOLMImpulse 1.2.0.4 is an effective program which useful for speaker gain and phase response measurement.

HOLMImpulse is an application which demonstrates how can  you make measurements using any soundcard and a microphone.

Download the file and save it a folder of your choosing. To open the data in HOLMImpulse go to the file menu and select "Open Measurements". Navigate to the folder containing the HOLMImpulseMeasurements.hlm file and select it. The measurements can be viewed in the Measurements pane by selecting measurements from the drop-down menu in the upper left corner.

Major Features:

1. Make bandwidth limited measurements with no phase-errors
2. Measure Impulse-response
3. Measure Phase-response
4. Measure Frequency-response
5. Measure Harmonic distortion (THD)
6. Compare measurements

Enhancements

• Features/Changes:
• • Reinitialize Audio library (Detects soundcards plugged after start)
  • Show PortAudio device information button
  • Frequency domain Export as PSpice compatible text-file
  • Impulse domain Impulse interpolation is now optional
  • Improved inverse calculation
• Bugfixes:
• • Keep stream active while cannot restart stream
  • Export Impulse domain text file has a header no matter what the "text" option is set at.
  • Imaginary part of Nyquist frequency in 2^n FFT