... | @@ -21,8 +21,10 @@ signals. Furthermore, students are able to generate arbitrary |
... | @@ -21,8 +21,10 @@ signals. Furthermore, students are able to generate arbitrary |
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waveforms using the built in tool. This feature is especially
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waveforms using the built in tool. This feature is especially
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useful during courses dedicated to audio signal processing
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useful during courses dedicated to audio signal processing
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and analog/digital signal processing.
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and analog/digital signal processing.
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The signal generator
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supports two different methods in order to output arbitrary
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{empty} +
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The signal generator supports two different methods in order to output arbitrary
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signals. The ”Definition Through Points and Interpolation”
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signals. The ”Definition Through Points and Interpolation”
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method enables the user to define a signal graphically by
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method enables the user to define a signal graphically by
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placing key-points on the graph. After pressing the ”Generate
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placing key-points on the graph. After pressing the ”Generate
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... | @@ -42,10 +44,13 @@ Bins is stored and an Fast Fourier Transformation (iFFT) is |
... | @@ -42,10 +44,13 @@ Bins is stored and an Fast Fourier Transformation (iFFT) is |
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performed on this set of values. For the iFFT the Cooley-
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performed on this set of values. For the iFFT the Cooley-
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Tukey algorithm [15] is used within the application. After the
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Tukey algorithm [15] is used within the application. After the
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iFFT, the real components are extracted from the complex
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iFFT, the real components are extracted from the complex
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output and are scaled to the range of 1, in order to fit the
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output and are scaled to the range of 1, in order to fit the
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allowed ranged of the wavetable values. The calculated data
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allowed ranged of the wavetable values. The calculated data
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is displayed within the preview window of the application
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is displayed within the preview window of the application
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and can be applied to one of the signal generator outputs.
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and can be applied to one of the signal generator outputs.
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{empty} +
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This signal generator provides two channels which can be
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This signal generator provides two channels which can be
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controlled separately. Students are able to vary the output
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controlled separately. Students are able to vary the output
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frequency for each channel using the corresponding knob in
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frequency for each channel using the corresponding knob in
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