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Technology
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Design: The "early bird" advantage
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A prototype of a vehicle is delivered to our testing facility as early as two years prior to the launch date. This gives us plenty of time to make crucial speaker placement recommendations and other systems specifics to the manufacturer.
Being involved in the early stages of the interior design allows us to consider all factors that could affect the performance of the vehicle's audio system. The materials used in the vehicle as well as the materials used for the speaker grilles all play a role in the final delivered sound. Even the angle of the speaker is a consideration when crafting the system. After these factors are taken into account the system design can begin.
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Testing: One accurate measurement is worth 1000 expert opinions
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We test many different speakers during the first stages of the design process and many speaker sizes are considered for various reasons. A multi-array microphone is used in a specially designed sound chamber to test the qualities of each speaker. We use the information generated from this test and others to determine the best speaker selection.
Once the speakers are selected they are matched up with a Digital Signal Processing (DSP) amplifier. Each channel in the amplifier is "tuned" specifically for each speaker using a proprietary software program. Because the speakers are placed in different locations within the vehicle, each will perform slightly different from the next. This tuning process increases the performance and sound quality of each speaker.
Next, a binaural microphone is used in the vehicle. The anatomically accurate "head-shaped" microphone simulates the driver or passenger's listening experience and performance of the system. This virtual testing allows us to make corrections to the tuning, helping us achieve the best possible performance.
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