Soundcard Scope

Soundcard Scope 是 Christian Zeitnitz 用 LabView 開發而成的一套 PC-Based 音效卡示波器，可以在底下的網址取得:

http://www.zeitnitz.de/Christian/scope_en

特色:

• Trigger modes: off, automatic, normal and single shot
• Triggerlevel can be set with the mouse
• The signals of the two channels can be added, subtracted and multiplied
• x-y mode
• Frequency analysis (Fourier spectrum)
• Waterfall diagram (frequency spectrum as function of time)
• Frequency filter: low-, high- and band-pass
• Cursors to measure amplitude, time and frequency in the main window
• Audio Recorder to save data to a wave file
• For multi soundcard system, the used card can be selected in the settings tab

底下這張圖是利用 Soundcard 量測紅外線訊號得到的波形，真酷！