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Log Squared and Cumulative Energy Plot
 
 
 

Application note # 14
Sample Champion

 

Log Squared and Cumulative Energy Plot


The loudspeaker Impulse Response can be viewed also in other useful ways by means of the Room Acoustics plugin.

Figure 1 shows a typical loudspeaker Impulse Response.



Figure 1 - Loudspeaker Impulse Response

 

Figure 2 - Loudspeaker Log Squared Plot



Figure 2 shows the Log Squared Plot of the data in Figure 1. This plot is obtained by computing the logarithm of squared time data.

 

Figure 3 - Room Impulse Response

 

Figure 4 - Loudspeaker Cumulative Energy Plot

Figure 3 shows the beginning of a Room Impulse Response. Figure 4 shows the Cumulative Energy Plot of the data in Figure 3. This plot is obtained by computing the integral of squared time data.

 

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