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The purpose of this device is to allow jukebox software to control the inputs and outputs of this digital mixer to provide professional level mixing for digital jukeboxes and karaoke machines. The device will be capable of being used as a standalone device in its own box or can be installed into the chassis of another electronic device such as a computer case to become a completely all in one karaoke machine with control over the volume via the software interface.
The circuit board shall do the following (notes refer to either internal or external chassis configurations)
• Connect to PC via USB interface. (via pin header or USB B)
• Powered by the USB interface (5v) or only if absolutely necessary via a 12v supply. (molex connector from PC power supply or DC Barrel)
• Maintain a very low signal to noise ratio and avoid interference. Use filters for power supply and incoming/outgoing signals if necessary.
• The device shall be controllable via the USB port. Software shall control ...
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