CN100557700C - Digital code player with Kara OK function - Google Patents
Digital code player with Kara OK function Download PDFInfo
- Publication number
- CN100557700C CN100557700C CNB2006100315505A CN200610031550A CN100557700C CN 100557700 C CN100557700 C CN 100557700C CN B2006100315505 A CNB2006100315505 A CN B2006100315505A CN 200610031550 A CN200610031550 A CN 200610031550A CN 100557700 C CN100557700 C CN 100557700C
- Authority
- CN
- China
- Prior art keywords
- unit
- karaoke
- digital broadcast
- links
- kara
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reverberation, Karaoke And Other Acoustics (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of digital code player with Kara OK function, it comprises digital broadcast unit, Karaoke unit, sound collection unit, voice output unit and Power Management Unit, described digital broadcast unit output terminal a road with the Karaoke unit input end link to each other, send sound signal to the Karaoke unit, another road of digital broadcast unit output terminal links to each other with the voice output unit, and sound signal is directly spread out of; Sound collection unit links to each other with the input end of Karaoke unit, sends the voice signal that collects to the Karaoke unit; The Karaoke unit mixes the voice output unit output of back by linking to each other with the Karaoke unit with the sound signal that digital broadcast unit transports with the voice signal that sound collection unit transports.Volume of the present invention is little, simple in structure, easy and simple to handle, tonequality is good, practices the needs of singing whenever and wherever possible thereby satisfied people, for people provide more amusement.
Description
Technical field
The present invention is mainly concerned with the digital code player field, refers in particular to a kind of digital code player with Kara OK function.
Background technology
OK a karaoke club ok originates from Japan, because it need not band and just can make the singer reach singing effect preferably, therefore just has been subjected to liking of various countries, whole world people since it comes out, and becomes a key activities of people's amusement and recreation.The household electrical appliance of OK a karaoke club ok machine and band OK a karaoke club ok function of all kinds are also propagated its belief on a large scale on market.Present OK a karaoke club ok electroacoustic techniques and products thereof comparative maturity all, but these products all for satisfy be in or in the public place of entertainment fixing the use design, its volume is all huger and price is more expensive relatively.People in the actual life, particularly young people often like singing and playing by oneself, self-recreation, so volume is small and exquisite, portable mini OK a karaoke club ok practices the needs that phonograph just becomes these crowds.
Complete OK a karaoke club ok practices phonograph should comprise music source, and sound amplifies, and the lyrics are pointed out several parts.Before digital music player occurred, music source adopted CD or tape, and the lyrics show the tv display screen that employing is general, therefore will realize that the small and exquisite mini OK a karaoke club ok machine of volume is unrealistic.The appearance of Mp3 music makes walkman market revolutionary variation occur, and various tapes, discman are eliminated gradually, and it is small and exquisite to replace volume of all kinds, good looking appearance, and tonequality is good, digital code player capacious.General digital code player can be realized playback of songs in very little volume, by key control, functions such as lyrics demonstration, novel MP4 player more can playing video file.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical matters of prior art existence, the invention provides that a kind of volume is little, simple in structure, easy and simple to handle, the well also portable digital code player with Kara OK function of tonequality, practice the needs of singing whenever and wherever possible thereby satisfy people, for people provide more amusement.
For solving the problems of the technologies described above, the solution that the present invention proposes is: a kind of digital code player with Kara OK function, it is characterized in that: it comprises digital broadcast unit, Karaoke unit, sound collection unit, voice output unit and Power Management Unit, described digital broadcast unit output terminal a road with the Karaoke unit input end link to each other, send sound signal to the Karaoke unit, another road of digital broadcast unit output terminal links to each other with the voice output unit, and sound signal is directly spread out of; Sound collection unit links to each other with the input end of Karaoke unit, sends the voice signal that collects to the Karaoke unit; The Karaoke unit mixes the voice output unit output of back by linking to each other with the Karaoke unit with the sound signal that digital broadcast unit transports with the voice signal that sound collection unit transports; Power Management Unit and digital broadcast unit link to each other with the Karaoke unit and provide the power supply assurance for digital broadcast unit and Karaoke unit.
Described digital broadcast unit comprises central control unit, decoding unit, communication interface unit, storage unit, instruction input block, audio output unit and display unit; The output terminal of central control unit links to each other with display unit, and links to each other with audio output unit by decoding unit, and this audio output unit one tunnel output links to each other with the Karaoke unit, and another road output links to each other with the voice output unit; The input end and instruction input block of central control unit links to each other; Central control unit carries out data communication by communication interface unit and external unit; Storage unit links to each other with central control unit and carries out exchanges data and data storage by central control unit.
The audio output unit of described digital broadcast unit is divided into two-way, and one the tunnel links to each other with the Karaoke unit by damping circuit and after selecting circuit respectively, and another road directly links to each other with the Karaoke unit after selecting circuit.
Described Karaoke unit comprises master controller, the input end of master controller links to each other with sound collection unit by the first sound amplifying circuit, the output terminal of master controller links to each other with the voice output unit by the second sound amplifying circuit, is parallel with delay circuit and A/D change-over circuit between the input end of master controller and the first sound amplifying circuit; A road of digital broadcast unit output terminal links to each other with the input end of master controller.
Described sound collection unit is a microphone, and the voice output unit is an earphone.
The decoding unit of described digital broadcast unit is MP3 decoding device or MP4 demoder.
The connected mode of described communication interface unit can adopt USB mode, mode, infrared mode or bluetooth approach.
Compared with prior art, advantage of the present invention just is: will play Karaoka unit and digital broadcast unit of the digital code player with Kara OK function of the present invention combines, not only can satisfy the needs that people listen to the music whenever and wherever possible, can also satisfy people and practice the needs of singing whenever and wherever possible, so not only expanded the function and the scope of application of digital code player, the mode of more convenient amusement also is provided for people.Digital code player with Kara OK function of the present invention has that volume is little, simple in structure, easy and simple to handle, tonequality is good, highly versatile, advantage such as be easy to carry, not only enriched the function of original digital code player, also further played better effect for the popularization of digital code player.
Description of drawings
Fig. 1 is the frame principles synoptic diagram of structure of the present invention;
Fig. 2 is the frame principles synoptic diagram of digital broadcast unit among the present invention;
Fig. 3 is the frame principles synoptic diagram of OK a karaoke club ok cellular construction among the present invention;
Fig. 4 is the circuit theory synoptic diagram of OK a karaoke club ok unit embodiment 1 among the present invention;
Fig. 5 is the circuit theory synoptic diagram of OK a karaoke club ok unit embodiment 2 among the present invention;
Fig. 6 is the circuit diagram of digital broadcast unit in the specific embodiment of the invention.
Marginal data
1, digital broadcast unit
11, central control unit 12, decoding unit
13, communication interface unit 14, storage unit
15, instruction input block 16, audio output unit
17, display unit 2, Karaoke unit
21, main control unit 22, the first sound amplifying circuit
23, the second sound amplifying circuit 24, delay circuit
25, A/D change-over circuit 26, selection circuit
27, damping circuit 3, sound collection unit
4, voice output unit 5, Power Management Unit
Embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
As shown in Figure 1, a kind of digital code player of the present invention with Kara OK function, it comprises digital broadcast unit 1, Karaoke unit 2, sound collection unit 3, voice output unit 4 and Power Management Unit 5, described digital broadcast unit 1 output terminal a road with the Karaoke unit 2 input end link to each other, send sound signal to Karaoke unit 2, another road of digital broadcast unit 1 output terminal links to each other with voice output unit 4, and sound signal is directly spread out of; Sound collection unit 3 links to each other with the input end of Karaoke unit 2, sends the voice signal that collects to Karaoke unit 2; Karaoke unit 2 mixes voice output unit 4 outputs of back by linking to each other with Karaoke unit 2 with the sound signal that digital broadcast unit 1 transports with the voice signal that sound collection unit transports; Power Management Unit 5 and digital broadcast unit 1 link to each other with Karaoke unit 2 and provide the power supply assurance for digital broadcast unit 1 and Karaoke unit 2.Wherein sound collection unit 3 adopts microphones, and voice output unit 4 adopts earphones, also can adopt by wearing or the earphone of ear type and the microphone that is installed in one are formed.The decoding unit 12 of digital broadcast unit 1 is MP3 decoding device or MP4 demoder.During use, the white silk of practicing the person of singing is sung sound and is transported in the Karaoke unit 2 by sound collection unit 3, and Karaoke unit 2 carries out it after delay process to mix with the music brought of music in the digital broadcast unit 1, and audio frequency outputs to earphone after amplifying.In preferred embodiment, digital broadcast unit 1 comprises display unit 17 (referring to Fig. 5), and like this, digital broadcast unit 1 can show the lyrics and the image of current institute played songs synchronously, practices the person of singing simultaneously and can sing according to the progressively demonstration of the lyrics.
As shown in Figure 2, digital broadcast unit 1 of the present invention comprises central control unit 11, decoding unit 12, communication interface unit 13, storage unit 14, instruction input block 15, audio output unit 16 and display unit 1; The output terminal of central control unit 11 links to each other with display unit 17, and links to each other with audio output unit 16 by decoding unit 12, and these audio output unit 16 one tunnel outputs link to each other with Karaoke unit 2, and another road output links to each other with voice output unit 4; The input end and instruction input block 15 of central control unit 1 links to each other; Central control unit 11 carries out data communication by communication interface unit 13 and external unit; Storage unit 14 links to each other with central control unit 11 and carries out exchanges data and data storage by central control unit 11.The audio output unit 16 of digital broadcast unit 1 is divided into two-way, and one the tunnel links to each other with Karaoke unit 2 by damping circuit 27 and after selecting circuit 26 respectively, and another road directly links to each other with Karaoke unit 2 after selecting circuit 26.Wherein, digital music file is deposited with various forms or single form and is in the storage unit 14, central control unit 11 can be by communication interface unit 13 and common PC communication, on PC, carry out various file operations, and the music file of various forms carried out each generic operation, such as storage, deletion, format conversion or the like.Central control unit 11 is responsible for the music file of reading cells 14 the insides, and delivers in the decoding unit 12 and decode.The sound signal of 12 pairs of music file decodings of decoding unit back output just can send voice output unit 4 to by audio output unit 16 and directly broadcast, and listens to for the user.Simultaneously display unit 17 shows the lyrics of current institute played songs synchronously under the control of central control unit 11, is convenient to practice the person of singing and follows the lyrics to practice to sing.Instruction input block 15 can receive the command signal input of external unit, such as keyboard input etc., and this command signal is delivered to handle in the central control unit 11, makes player according to user's wish regulatory function optionally.Central control unit 11 is various types of single-chip microcomputers, or DSP, or various special chip, as adopting the AT89C51SND1A of atmel corp, can also adopt ARM chip such as AT91SAM7s64.Decoding unit 12 can adopt special audio and video decoding chip such as the audio decoder chip VS1003 or the video decoding chip Sigma Designs EM8510 of a lot of types.Storage unit 14 is various erasable storer such as the FLASH chips of repeating, hard disk.Display unit 17 is various types of monochromes or color monitor, as LCD or OLED.Communication interface unit 13 can adopt PC to go up interface such as USB, 1394 commonly used, infrared, bluetooth etc.Instruction input block 15 can adopt keyboard.Voice output unit 4 can be audio output devices such as note amplifier and earphone, sound equipment.Power Management Unit 5 comprises power supply and managing chip.Managing chip can adopt various power management chips as the chip MAX1674 that boosts, step-down chip XC6201, charging management chip ISL6292 etc.Power supply can adopt rechargeable battery as lithium battery, Ni-MH battery, nickel-cadmium battery etc. or battery.
As shown in Figure 3, Karaoke of the present invention unit 2 comprises master controller 21, the input end of master controller 21 links to each other with sound collection unit 3 by the first sound amplifying circuit 22, the output terminal of master controller 21 links to each other with voice output unit 4 by the second sound amplifying circuit 23, is parallel with delay circuit 24 and A/D change-over circuit 25 between the input end of master controller 21 and the first sound amplifying circuit 22; A road of digital broadcast unit 1 output terminal links to each other with the input end of master controller 21.The sound of sound import collecting unit 3 by the first sound amplifying circuit, 22 amplification filtering after, be converted into digital signal; After passing through delay circuit 24 and A/D change-over circuit 25 then, converted to simulating signal again by digital delay and be input to master controller 21; Because the audio output unit 16 of digital broadcast unit 1 is divided into two-way, the one tunnel links to each other with Karaoke unit 2 by damping circuit 27 and after selecting circuit 26 respectively, and another road directly links to each other with Karaoke unit 2 after selecting circuit 26.Therefore as the outside stereophonic music signal of importing, it is the sound signal that digital broadcast unit 1 is sent here, can select to eliminate the original singer by original singer's damping circuit 27, and by selecting circuit 26 can select left and right acoustic channels and go original singer's music to mix with the sound that sound collection unit 3 sends, after the signal that mixes carries out note amplifier through the second sound amplifying circuit 23, oneself be with the white silk of music to sing sound by just hearing after 4 outputs of voice output unit.
As shown in Figure 4, the Karaoke unit 2 of the embodiment of the invention 1 is for realizing the minimal configuration of basic function, the main control unit 21 (U1) of the Karaoke unit 2 of integrated form adopts the M65845 of MIT, its the 1st pin and sound collection unit 3 link to each other as Electret Condencer Microphone, and stereo source of sound is that the sound signal of digital broadcast unit 1 output is imported from 26,27 pin; 33,34 pin link to each other with selecting circuit 26, are responsible for source of sound is selected; After white silk was sung sound and the processing of stereo source of sound process on-chip circuit, last mixed signal was exported from 28,29 pin, delivers to voice output unit 4 as earphone, outputs such as loudspeaker.
As shown in Figure 5, the Karaoke unit 2 of the embodiment of the invention 2 is a preferred embodiment, and this circuit has increased singlechip controller, external key, and state shows that functional parts such as battery management can become an independently mini karaoke machine.Wherein main control unit 21 (U1) adopts M65845, U2 is that the earphone of PHILIPS company amplifies chip TDA1308, U3 is the Chip Microcomputer A tmega8L of atmel corp, U4 is charging management chip ISL6292, U5 is the voltage transformation chip MAX1674 of MAXIM company, and U6 is the X9511 of digital regulation resistance XICOR company.External voice is delivered to 1 pin of U1 from interface J0 input.Outside stereo source of sound is delivered to 26,27 pin of U1 from interface J1 input.12,13 pin of U3 are imported as keyboard, select echo and source of sound.1,2 pin of U3 and 33,34 pin of U1 link to each other, so that source of sound is selected.11 pin of U3 are by the echo time of field effect transistor Q1 control U1.The output audio signal of U1 is exported from 28,29 pin, and 2,6 pin of delivering to U2 amplify.Amplifying signal is delivered to the earphone sounding from 1, the 7 pin output of U2.U4 is responsible for rechargeable battery is charged.U5 is transformed into the required 5V voltage of chip to lower cell voltage, and delivers to the power end of other chips from the output of 8 pin.Button J6, J7 link to each other with 1,2 pin of U6, can control the microphone volume of U1.
As shown in Figure 6, the embodiment of the digital broadcast unit 2 of the present invention, in this circuit, U1, U2 are voltage transformation chip MAX1674 and XC6201, can be used as the part of Power Management Unit 5; U3 is the decoding chip VS1003 of Finland VLSI company, as decoding unit 12; U4 is the main control chip AT89C51SND1A of atmel corp, as central control unit 11; U5 is the storage chip HY27UF2G2M of Modern Corporation, as storage unit 14.J12 is a dot pattern LCD interface, as display unit 17.69,70 of U4,73-78 be 29-32, the 41-44 of totally 8 data lines and U5, and 8 data lines link to each other, and by this 8 data lines, U4 can read U5 sound intermediate frequency file.Simultaneously, U4 delivers to 28,29,30 pin of decoding chip U3 to audio file by 66,67,68 3 pin, by U3 audio file is decoded, and output audio signal.Sound signal is exported from 39,46 pin, delivers to the earphone sounding by interface J4.8 data lines of U4 also link to each other with the 7-14 pin of J12, and the information that needs are shown is sent to LCD.
Claims (6)
1, a kind of digital code player with Kara OK function, it is characterized in that: it comprises digital broadcast unit (1), Karaoke unit (2), sound collection unit (3), voice output unit (4) and Power Management Unit (5), described digital broadcast unit (1) output terminal a road with the Karaoke unit (2) input end link to each other, send sound signal to Karaoke unit (2), another road of digital broadcast unit (1) output terminal links to each other with voice output unit (4), and sound signal is directly spread out of; Sound collection unit (3) links to each other with the input end of Karaoke unit (2), sends the voice signal that collects to Karaoke unit (2); Karaoke unit (2) mixes voice output unit (4) output of back by linking to each other with Karaoke unit (2) with the sound signal that digital broadcast unit (1) transports with the voice signal that sound collection unit transports; Power Management Unit (5) links to each other with Karaoke unit (2) with digital broadcast unit (1) and is that digital broadcast unit (1) and Karaoke unit (2) provide power supply to guarantee.
2, the digital code player with Kara OK function according to claim 1 is characterized in that: described digital broadcast unit (1) comprises central control unit (11), decoding unit (12), communication interface unit (13), storage unit (14), instruction input block (15), audio output unit (16) and display unit (17); The output terminal of central control unit (11) links to each other with display unit (17), and link to each other with audio output unit (16) by decoding unit (12), these audio output unit (16) one tunnel outputs link to each other with Karaoke unit (2), and another road output links to each other with voice output unit (4); The input end and instruction input block (15) of central control unit (1) links to each other; Central control unit (11) carries out data communication by communication interface unit (13) and external unit; Storage unit (14) links to each other with central control unit (11) and carries out exchanges data and data storage by central control unit (11).
3, the digital code player with Kara OK function according to claim 2, it is characterized in that: the audio output unit (16) of described digital broadcast unit (1) is divided into two-way, lead up to damping circuit (27) and through selecting circuit (26) back to link to each other with Karaoke unit (2), another road is direct behind selection circuit (26) to link to each other with the unit (2) of playing Karaoka.
4, according to claim 1 or 2 or 3 described digital code players with Kara OK function, it is characterized in that: described sound collection unit (3) is microphone, and voice output unit (4) are earphone.
5, according to claim 1 or 2 or 3 described digital code players with Kara OK function, it is characterized in that: the decoding unit (12) of described digital broadcast unit (1) is MP3 decoding device or MP4 demoder.
6, according to claim 1 or 2 or 3 described digital code players with Kara OK function, it is characterized in that: the connected mode of described communication interface unit (13) can adopt USB mode or 1394 modes or infrared mode or bluetooth approach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100315505A CN100557700C (en) | 2006-04-25 | 2006-04-25 | Digital code player with Kara OK function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100315505A CN100557700C (en) | 2006-04-25 | 2006-04-25 | Digital code player with Kara OK function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1835118A CN1835118A (en) | 2006-09-20 |
| CN100557700C true CN100557700C (en) | 2009-11-04 |
Family
ID=37002822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100315505A Active CN100557700C (en) | 2006-04-25 | 2006-04-25 | Digital code player with Kara OK function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100557700C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376661A (en) * | 2014-12-08 | 2015-02-25 | 重庆桦哲科技有限公司 | Speech circuit of smart key |
-
2006
- 2006-04-25 CN CNB2006100315505A patent/CN100557700C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1835118A (en) | 2006-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207304841U (en) | A kind of digital earphone | |
| CN102264014A (en) | Sound source separation wireless headphone module and sound source separation method | |
| CN106340288A (en) | Multifunctional mini portable karaoke device | |
| CN100557700C (en) | Digital code player with Kara OK function | |
| CN201976236U (en) | Multi-purpose headset | |
| CN202276436U (en) | Sound device with cell phone holder | |
| CN205984262U (en) | Electronic organ | |
| CN2904208Y (en) | Digital player with karaoke function | |
| CN212628276U (en) | Live broadcast requesting sound box | |
| CN201859647U (en) | Multimedia player | |
| CN110933536A (en) | Sound box | |
| CN201937802U (en) | Multifunctional learning-assist headset | |
| CN201910901U (en) | Multifunctional karaoke earphone | |
| CN202339704U (en) | Multifunctional carry-on karaoke player | |
| CN202750145U (en) | Mini karaoke (KTV)-singing device of mobile phone device | |
| CN206061042U (en) | Mike | |
| CN206353844U (en) | A kind of Multifunctional wireless microphone main frame | |
| CN201699953U (en) | Portable type Bluetooth stereo sound device | |
| CN202771796U (en) | Portable vocal accompaniment device | |
| CN201117291Y (en) | Audio frequency and video frequency player capable of singing Karaoke | |
| CN111435590A (en) | Novel multi-functional intelligent urheen | |
| CN201898594U (en) | MP3 (moving picture experts group audio layer-3) digital earphone | |
| CN202856942U (en) | Handheld karaoke machine | |
| CN208863058U (en) | A kind of audio receiver having both MP3 and Bluetooth function | |
| CN203968311U (en) | The portable microphone with KTV audio and wireless connecting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changsha Zhongtian Electronic Design and Development Co.,Ltd. Assignor: Chen Bo, Pei Runyuan Contract fulfillment period: 2009.11.24 to 2026.4.24 contract change Contract record no.: 2009430000221 Denomination of invention: Digital code player having caraoke function Granted publication date: 20091104 License type: Exclusive license Record date: 2009.12.1 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.24 TO 2026.4.24; CHANGE OF CONTRACT Name of requester: CHANGSHA ZHONGTIAN ELECTRICAL DESIGN CO.,LTD Effective date: 20091201 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20171107 Address after: 410000 sign No. 198, Zhong Xiang Road, Changsha City, Hunan Province, Changsha business center A1024 room Patentee after: Changsha Zhongtian Electronic Design and Development Co.,Ltd. Address before: 410007 Huasheng garden, Furong South Road, Hunan, Changsha, 4-208 Co-patentee before: Pei Runyuan Patentee before: Chen Bo |
|
| TR01 | Transfer of patent right |