CN104156136B - Karaoke song requesting and control method based on optical finger navigation - Google Patents
Karaoke song requesting and control method based on optical finger navigation Download PDFInfo
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- CN104156136B CN104156136B CN201310180266.4A CN201310180266A CN104156136B CN 104156136 B CN104156136 B CN 104156136B CN 201310180266 A CN201310180266 A CN 201310180266A CN 104156136 B CN104156136 B CN 104156136B
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Abstract
The invention relates to a karaoke song requesting and control method based on optical finger navigation. The method includes the following steps that firstly, an optical finger navigation module OFN is installed on a karaoke microphone; secondly, the microphone with the OFN is in communication connection with a karaoke host; thirdly, the host judges the direction according to motion of one finger of a user through the OFN, calculates displacement and speed values in the horizontal direction and the vertical direction, and controls song list rolling, the same-layer menu switch and the different-layer menu switch according to parameters. Compared with the prior art, the karaoke song requesting and control method has the advantages that the microphone and a remote control unit are integrated, the sliding mode of the finger more accords with mental impression of the user, and song requesting operation of karaoke is greatly facilitated.
Description
Technical field
The present invention relates to a kind of Karaoke requesting song and control method, more particularly, to a kind of card based on optical finger navigation
Draw OK requesting songs and control method.
Background technology
Optical finger navigation (Optical Finger Navigation, OFN) module has been applied on mobile phone, but still
Apply in Karaoke requesting song.And the mode of operation on mobile phone is not appropriate for Karaoke requesting song, and the main distinction is OK a karaoke club
OK has very long song list, and shows that figure is larger on TV, and corresponding moving range is big.
General karaoke equipment is requested a song with remote control at present, often needs Jing while taking microphone and remote control, make during singing
With extremely inconvenient.Microphone and remote control are merged good method when using, many buttons thus will be installed on microphone.And
Usual limited space on microphone, button are more using inconvenience and unsightly.
The content of the invention
The purpose of the present invention is exactly to provide a kind of based on optical finger to overcome the defect of above-mentioned prior art presence
The Karaoke requesting song of navigation and control method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of Karaoke requesting song and control method based on optical finger navigation, it is characterised in that comprise the following steps：
1) optical finger navigation module OFN is arranged on Microphone for karaoke；
2) microphone equipped with OFN is communicatively coupled with Karaoke main frame；
3) main frame calculates the displacement both horizontally and vertically gone up by OFN according to the mobile judgement direction of user's finger
And velocity amplitude, and switch according to the single rolling of these state modulator songs, with layer dish and the switching of different layers menu.
Described OFN includes a button, and the button has down state and a half-press state, wherein down state be used for into
Row start, shutdown and determination operation, half-press state are used to focus on icon or show hidden icons.
The movement in described finger vertical direction is used to control the single rolling of song and switches with layer dish, specific as follows：
A) initial velocity of finger contact OFN determines the single speed for starting of sliding of song；
B) song singly follows displacement of the finger on OFN, synchronous to move corresponding displacement on the tv screen；
C) speed when finger leaves OFN determines to sing speed and the distance for singly continuing to move to；Reach predetermined mobile position
Before putting, it is zero that translational speed is gradually slowed down by the reciprocal curve of natural Exponents by maximal rate, obtains the effect of nature stopping；Most
Big speed has the upper limit to adapt to the reaction of human eye；
D) sing finger in single moving process and dub OFN and braked；
E) when vertical sliding motion correspondence menu, one menu item of up or down is only moved to every time.
The single displacement ds=K × dy for moving on the tv screen of described song, wherein dy represent position of the finger on OFN
Move, K is the proportionality constant determined according to screen resolution.
Proportionality constant K=(H/10)/Y, wherein H represent the vertical direction height of television screen, and Y represents that OFN's is vertical
Direction height, the i.e. height of the maximum moving distance correspondence screen 1/10 of OFN.
The initial velocity of described finger contact OFN determines the single speed for starting of sliding of song, specific as follows：
It is v0=K × d0/t0 that song singly starts sliding speed computational methods, and wherein K is the ratio determined according to screen resolution
Example constant, proportionality constant K=(H/10)/Y, wherein H represent the vertical direction height of television screen, and Y represents the vertical side of OFN
To height；D0 represents the displacement in the finger t0 times on OFN；T0 represents finger from just contact OFN to starting the mobile time,
In this period, persistently mobile then judgement finger starts to slide finger.
Speed when described finger leaves OFN determines to sing speed and the distance for singly continuing to move to, specially：Finger leaves
A certain moment sliding speed Vt=Vm × EXP (- t/T) after OFN, after Vt is less than default minimum speed stops sliding, wherein
Vm leaves sliding speed during OFN for finger, as maximal rate, and speed is slowed down naturally afterwards；T is left after OFN for finger
The a certain moment；T is selected time cycle constant, for the speed for controlling to slide；Finger leaves the displacement St at rear a certain moment
=Vm × T × (1-EXP (- t/T)).
The movement in described finger horizontal direction is used to control the switching of different layers menu, specially：
A) move finger right enters submenu；
B) finger moves to left return Previous Menu.
Compared with prior art, it is of the invention with being one by microphone and remote control and two, while the sliding type of finger is more
Plus meet the mental impression of people, the requesting song operation played Karaoka is very easy to, is experienced with more excellent singing.
Description of the drawings
Fig. 1 is the structural representation that OFN of the present invention is arranged on Microphone for karaoke.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 1, OFN2 instead of the switch of usual microphone, and have requesting song manipulation function；The present embodiment is adopted
Wireless microphone 1, using 2.4G wireless communication transmissions audio frequency and control information, is communicated with Karaoke main frame 3；Compare infrared biography
Defeated, 2.4G is not wirelessly affected by direction, and has enough bandwidth transmission audio frequency；OFN can also be arranged on cable microphone, now
Connection need to be increased in addition.
Flicking OFN, the controller in microphone detect signal, open MPS microphone power supply,
Song-order machine enters main menu after showing start-up picture.Now slided in OFN surfaces vertical direction and can be selected with finger
Select main menu item：NUMBER (song number requesting song), RECORD (records), SINGER (singer's requesting song), and (language is selected LANGRAGES
Select), PROGRAM (reservation song), finger are often slided up and down, and this example has been moved to SINGER (singers
Requesting song) position.The upper right operation interface for sliding into the project of selected item in main menu.
In SINGER positions, right cunning then enters singer's requesting song interface.Singer's list, finger vertical are shown in this interface
Different singers are selected when direction is slided, as singer is a lot, when finger quickly above glides, singer's list also can be quick with finger
Roll.After choosing singer, finger slides into singer's list of songs OFN is upper right, and left sliding to return higher level be main menu.
Similar to singer's interface operation described above, into after list of songs, finger slides in OFN surfaces vertical direction and selects
Song is selected, as song is a lot, when finger quickly upper downslide, list of songs also can be with finger fast scroll；Finger leaves OFN
When speed determine the speed that singly continues to move to of song and distance, before predetermined shift position is reached, translational speed is by maximum speed
It is zero that degree gradually slows down by the reciprocal curve of natural Exponents, obtains the effect of nature stopping.
Highlighted cursor is rested in the song chosen, the right cunning of finger or flicking button, into playback of songs picture.Finger is left
Sliding return higher level is singer's requesting song interface.
The present invention describes a method for applying mechanically OFN requesting songs, and the method is particluarly suitable for using on Microphone for karaoke, while
It is also applicable on other karaoke equipments.
Claims (7)
1. a kind of Karaoke requesting song and control method based on optical finger navigation, it is characterised in that comprise the following steps：
1) optical finger navigation module OFN is arranged on Microphone for karaoke；
2) microphone equipped with OFN is communicatively coupled with Karaoke main frame；
3) main frame calculates the displacement and speed both horizontally and vertically gone up by OFN according to the mobile judgement direction of user's finger
Angle value, and switch according to the single rolling of these state modulator songs, with layer menu and the switching of different layers menu；
Described OFN includes a button, and the button has down state and half-press state, and wherein down state is used to be opened
Machine, shutdown and determination operation, half-press state are used to focus on icon or show hidden icons.
2. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 1, its feature exist
In the movement in described finger vertical direction is used to control the single rolling of song and switches with layer menu, specific as follows：
A) initial velocity of finger contact OFN determines the single speed for starting of sliding of song；
B) song singly follows displacement of the finger on OFN, synchronous to move corresponding displacement on the tv screen；
C) speed when finger leaves OFN determines to sing speed and the distance for singly continuing to move to；Before predetermined shift position is reached,
It is zero that translational speed is gradually slowed down by the reciprocal curve of natural Exponents by maximal rate, obtains the effect of nature stopping；Maximum speed
Degree has the upper limit to adapt to the reaction of human eye；
D) sing finger in single moving process and dub OFN and braked；
E) when vertical sliding motion correspondence menu, one menu item of up or down is only moved to every time.
3. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 2, its feature exist
In the single displacement ds=K × dy for moving on the tv screen of described song, wherein dy represent displacement of the finger on OFN, and K is
According to the proportionality constant that screen resolution determines.
4. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 3, its feature exist
In proportionality constant K=(H/10)/Y, wherein H represent the vertical direction height of television screen, and Y represents that the vertical direction of OFN is high
Degree, the i.e. height of the maximum moving distance correspondence screen 1/10 of OFN.
5. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 2, its feature exist
In the initial velocity of described finger contact OFN determines the single speed for starting of sliding of song, specific as follows：
It is v0=K × d0/t0 that song singly starts sliding speed computational methods, and wherein K is normal according to the ratio of screen resolution determination
Number, proportionality constant K=(H/10)/Y, wherein H represent the vertical direction height of television screen, and Y represents that the vertical direction of OFN is high
Degree；D0 represents the displacement in the finger t0 times on OFN；T0 represents finger from just contact OFN to starting mobile time, finger
In this period, persistently mobile then judgement finger starts to slide.
6. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 2, its feature exist
In speed when described finger leaves OFN determines to sing speed and the distance for singly continuing to move to, specially：After finger leaves OFN
A certain moment sliding speed Vt=Vm × EXP (- t/T), after Vt is less than default minimum speed stops sliding, and wherein Vm is handss
Sliding speed when finger leaves OFN, as maximal rate, afterwards speed slow down naturally；T leaves certain a period of time after OFN for finger
Carve；T is selected time cycle constant, for the speed for controlling to slide；Finger leaves the displacement St=Vm × T at rear a certain moment
×(1-EXP(-t/T))。
7. a kind of Karaoke requesting song and control method based on optical finger navigation according to claim 1, its feature exist
In the movement in described finger horizontal direction is used to control the switching of different layers menu, specially：
A) move finger right enters submenu；
B) finger moves to left return Previous Menu.
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| CN201310180266.4A CN104156136B (en) | 2013-05-15 | 2013-05-15 | Karaoke song requesting and control method based on optical finger navigation |
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| CN201310180266.4A CN104156136B (en) | 2013-05-15 | 2013-05-15 | Karaoke song requesting and control method based on optical finger navigation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104992695A (en) * | 2015-07-01 | 2015-10-21 | 上海理工大学 | Song ordering device and song ordering method |
| CN105549838A (en) * | 2015-08-29 | 2016-05-04 | 深圳市美贝壳科技有限公司 | Method for utilizing gesture sliding to trigger removal of current Activity |
| CN109793470A (en) * | 2017-11-16 | 2019-05-24 | 青岛海尔洗碗机有限公司 | A kind of dish washer control method and dish-washing machine |
| CN114253445B (en) * | 2021-12-22 | 2024-01-30 | 北京金堤科技有限公司 | Configuration method of sliding linkage mode, page linkage method and page linkage device |
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| CN202406202U (en) * | 2011-12-23 | 2012-08-29 | 迅瑞达科技（深圳）有限公司 | Touch television based on Android system |
| CN202472907U (en) * | 2012-02-16 | 2012-10-03 | 青岛海信电器股份有限公司 | Remote controller and display control system |
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| US8760269B2 (en) * | 2010-09-14 | 2014-06-24 | Crestron Electronics Inc. | Control system for augmenting a portable touch screen device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202406202U (en) * | 2011-12-23 | 2012-08-29 | 迅瑞达科技（深圳）有限公司 | Touch television based on Android system |
| CN202472907U (en) * | 2012-02-16 | 2012-10-03 | 青岛海信电器股份有限公司 | Remote controller and display control system |
Non-Patent Citations (1)
| Title |
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| 基于无线语音系统的USB-HID控制单元的设计;龚伟家等;《计算机工程与设计》;20121130;第33卷(第11期);第4149-4153页 * |
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