Karaoke song ordering and control method based on optical finger navigation
An optical finger navigation and control method technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of limited microphone space, unsightly appearance, inconvenient use, etc., and achieve convenient song-ordering operation, The Effects of an Excellent Singing Experience
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[0029] As attached figure 1 As shown, OFN2 replaces the switch of the usual microphone, and has a song control function; this embodiment uses a wireless microphone 1, using 2.4G wireless communication to transmit audio and control information, and communicate with the karaoke host 3; compared to infrared transmission, 2.4G wireless is not affected by the direction, and has enough bandwidth to transmit audio; OFN can also be installed on a wired microphone, at this time, an additional communication line needs to be added.
[0030] Press OFN lightly, the controller in the microphone detects the signal, turn on the microphone power,
[0031] After the karaoke machine displays the boot screen, enter the main menu. At this time, slide your finger in the vertical direction of the OFN surface to select the main menu items: NUMBER (song number order), RECORD (recording), SINGER (singer order), LANGRAGES (language selection), PROGRAM (reservation song), each finger Swipe up and down to mo...
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