Download - Sound Bubble Machine
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SOUND BUBBLE MACHINEApplication Guide
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Sound Bubble Machine Application Guide
Rendering pictures information:
• Software: EASE 4.3.
• Subwoofer Data: RCF TTS26-A (GLL), double 15”, preset: 30-
160Hz.
• Direct Sound Pressure Level rendering is calculated at 100Hz, 3
octave bandwidth sum.
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Two subwoofers, located at left and right of the stage. Sound radiates omnidirectional to all direction.
Omnidirectional at Low Frequency
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Cardioid array setup using two subwoofers (each side), 70cm spacing.
Cardioid Array
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Low frequency sound is directed to the audience, less spill to the stage area.
Cardioid Array
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Cardioid Array
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Same configuration, but stacked.
Cardioid Array
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Same configuration per side, using two subwoofers facing forward (no delay, in polarity) and one facing backward (with delay, out of polarity).
Cardioid Array
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Forward Steering with 80cm spacing between subwoofers.
Forward Steering
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Delay Ratio: 100%
Forward Steering
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Forward Steering
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Forward Steering with 80cm spacing between subwoofers. Delay ratio: 150%.
Forward Steering
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Delay Ratio: 150%.
Forward Steering
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Forward Steering with 80cm spacing between subwoofers. Delay Ratio: 50%.
Forward Steering
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Delay Ratio: 50%.
Forward Steering
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Five subwoofers in the middle arena (above the main stage) in a straight array.
Electrical Steering
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Electrical steering to aim the main sound lobe 15deg upward, more to audience area.
Electrical Steering
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Using delay time calculated to aim the sound lobe 15deg upward.
Electrical Steering
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Electrical Steering
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Five subwoofers in a straight array (1.5m spacing between subwoofers) in the front of the stage.
Curved Array
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Adding delay to the straight array to create an imaginary curved array (90deg arc).
Curved Array
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Straight array with delay to create an imaginary curved array (90deg).
Curved Array
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Curved Array
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Adding subwoofers and extra delay to combine curved array and cardioid array configurations.
Curved Array and Cardioid Array
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Straight array with delay to create an imaginary curved array (90deg), combined with cardioid array with 80cm spacing to the back subwoofer (out of polarity).
Curved Array and Cardioid Array
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Sound Bubble Machine