HARK Document Version 3.4.0. (Revision: 9509) : plotQuickWaveformKivy

6.8.4 plotQuickWaveformKivy

This node displays waveforms of audio signal in a GUI using Kivy.

None.

When to use

This node is used when you want to visually check the audio signal waveform.

Typical connection

Input the audio waveform output from AudioStreamFromMic or AudioStreamFromWave .

$\includegraphics[width=.8\textwidth ]{fig/modules/plotQuickWaveformKivy}$

Figure 6.160: connection example of plotQuickWaveformKivy

Inputs

WAVE: : Matrix<float> type. Input a matrix(Matrix<float> type) that consists of numerical values representing PCM waveforms. The rows(first dimension) correspond to the channels and the columns(second dimension) correspond to the samples.

Outputs

Parameters

No parameters.

$\includegraphics[width=.8\textwidth ]{fig/modules/plotQuickWave}$

Figure 6.161: Execution screen of plotQuickWaveformKivy

Figure 6.161 shows the execution screen of plotQuickWaveformKivy function.

The horizontal axis corresponds to the time(frame) and the vertical axis corresponds to the channel.