LOUDSPEAKER WITH DEMONSTRATION MODE
First Claim
Patent Images
1. A loudspeaker comprising:
- a housing;
a speaker located in the housing;
a digital signal processor located in the housing;
a memory located in the housing, the memory being coupled to the digital signal processor;
an amplifier coupled to the digital signal processor;
a speaker driver coupled to the amplifier and to the speaker; and
a demonstration audio file stored in the memory, the digital signal processor being programmed to selectively retrieve the demonstration audio file and play it through the speaker without connecting the loudspeaker to a separate piece of audio equipment.
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Abstract
A loudspeaker, such as a subwoofer, includes demonstration audio file stored in a memory which can be played without connecting the loudspeaker to a separate piece of audio equipment.
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Citations
19 Claims
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1. A loudspeaker comprising:
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a housing;
a speaker located in the housing;
a digital signal processor located in the housing;
a memory located in the housing, the memory being coupled to the digital signal processor;
an amplifier coupled to the digital signal processor;
a speaker driver coupled to the amplifier and to the speaker; and
a demonstration audio file stored in the memory, the digital signal processor being programmed to selectively retrieve the demonstration audio file and play it through the speaker without connecting the loudspeaker to a separate piece of audio equipment. - View Dependent Claims (2, 3, 4, 5)
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6. A method for demonstrating a loudspeaker comprising:
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providing a speaker, a digital signal processor, a memory coupled to the digital signal processor, an amplifier, and a speaker driver coupled to the speaker within a housing;
storing a demonstration audio file in the memory located within the housing; and
executing a demonstration mode wherein the demonstration audio file is retrieved by the digital signal processor and played through the speaker using the amplifier and speaker driver in the housing without connecting the loudspeaker to external audio equipment. - View Dependent Claims (7, 8, 9, 10)
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11. A loudspeaker comprising:
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a housing;
a speaker located within the housing;
a controller located in the housing for driving the speaker; and
a sound pressure level (SPL) detector located in the housing to measure a SPL of an output of the speaker. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification