Meyer Sound Galileo GALAXY 408, User Manual

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APPENDIX C: PRODUCT INTEGRATION
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Product Integration by Loudspeaker
To implement Product Integration:
1. Select the Overview tab.
2. Click the Product Integration button for any output to open the dialog.
3. Select the loudspeaker model connected to the output from the Product drop-down menu.
4. Select the lowest DI Standard that is common to all models used in the system.
5. Select the Starting Point processing to use for this output.
The available target phase curve selections are:
•
pc55-70
•
pc100
•
pc125
Systems comprising multiple loudspeaker types with different native phase responses can result in undesired summation or
cancellation in the low-mid frequencies. As Meyer Sound improves the native phase response of its loudspeakers, the
Product Integration feature quickly matches the phase responses of mixed loudspeaker models used in a given system.
Product Integration is available on every GALAXY processor output.
The native phase curves exhibited by Meyer Sound products can be differentiated by the lowest frequency at which each
product deviates by 180 degrees of relative phase. Product Integration uses the concept of phase curve families shared by
different products: For example, LYON (see Figure 34, red line) and LEOPARD loudspeakers both have a low-mid phase
response of 180 degrees at 55 Hz (pc55-70); LEO-M (see Figure 34, blue line) and UPQ loudspeaker both have a low-mid
phase response of 180 degrees at 100 Hz (pc100).
Product Integration Example
Product Integration is especially appropriate when applied to loudspeakers that are not in the same native phase curve
family. For example, to accomplish Product Integration for LEOPARD with UPQ-1P:
1. Enable Product Integration on both the LEOPARD and UPQ-1P outputs.
2. Select pc100 for both outputs.
3. Use pure delay to time align the two loudspeakers at a coverage location where they are equal in level.
4. Select the Overview tab to verify all loudspeaker system outputs are set to the same phase curve value.
Figure 34: LYON (red) and LEO-M (blue) Phase Response Plots