CN201859647U - Multimedia player - Google Patents

Multimedia player Download PDF

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Publication number
CN201859647U
CN201859647U CN2010202749746U CN201020274974U CN201859647U CN 201859647 U CN201859647 U CN 201859647U CN 2010202749746 U CN2010202749746 U CN 2010202749746U CN 201020274974 U CN201020274974 U CN 201020274974U CN 201859647 U CN201859647 U CN 201859647U
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CN
China
Prior art keywords
audio
video player
frequency
microphone
built
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Expired - Fee Related
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CN2010202749746U
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Chinese (zh)
Inventor
杨邦照
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杨邦照
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Priority to CN2010202749746U priority Critical patent/CN201859647U/en
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Abstract

The utility model relates to a multimedia player, which comprises a display screen, a storage, a power supply, a multimedia control module and a built-in loudspeaker, wherein the multimedia control module comprises a first audio input unit which is connected with a microphone, a second audio input unit, a frequency mixing unit for mixing the frequencies of audio signals input by the first audio input unit and the second audio input unit and an audio output unit for outputting the frequency-mixed audio signals; the microphone is a built-in microphone which is connected with the first audio input unit through a revolving shaft extension line; and the built-in loudspeaker synchronously outputs the frequency-mixed audio signals. Karaoke function is realized on the multimedia player, so that the multimedia player has a small size and can be carried for playing karaoke anytime anywhere.

Description

Audio and video player
Technical field
The utility model relates to the multimedia recreation field, more particularly, relates to a kind of audio and video player with Kara OK function that is used for multimedia recreation.
Background technology
Common Caraok device is mainly sung Room realization at home theater or at KTV, but traditional Caraok device volume all is bigger, and the separate groups mould assembly, generally is made up of mains supply, TV, computer, karaoke machine, power amplifier, loudspeaker, microphone.Be unfavorable for like this carrying, therefore be subjected to the restriction of objective condition such as volume is big in the use, limited greatly and sung the place that the fan plays Karaoka.
And audio and video player use now is more and more general, and price is also more and more lower, because audio and video player can well be realized audio-video playing function, the audio and video player volume is little simultaneously, portable, but audiovisual materials can only be recorded and play to audio and video player, do not have the function of Karaoke.
The utility model content
The technical problems to be solved in the utility model is, big at above-mentioned existing Caraok device volume, be difficult for carrying, simultaneously audio and video player does not have the defective of Kara OK function, provides a kind of volume with Kara OK function little, portative audio and video player.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of audio and video player, comprise display screen, storer and power supply, wherein, described audio and video player also comprises audio-visual control module, and described audio-visual control module comprises the first audio frequency input block that is connected with microphone, the second audio frequency input block, the sound signal of described first audio frequency input block and the input of the described second audio frequency input block is carried out the Frequency mixing processing unit of Frequency mixing processing and with the audio output unit of the audio signal output after the Frequency mixing processing.Described microphone is a built-in microphone, and described built-in microphone is connected by the rotating shaft line stretcher with the described first audio frequency input block.Described audio-visual control module also comprises and will be stored in the storer, output to video output unit on the described display screen with the corresponding video information of sound signal.
In audio and video player described in the utility model, the described second audio frequency input block comprises first audio input end that is connected with described storer and second audio input end that is connected with the external audio playing device.
In audio and video player described in the utility model, described audio output unit comprises the audio signal output after the described mixing to first audio output of described storer with second audio output of the audio signal output after the described mixing to the external audio output unit.
In audio and video player described in the utility model, described audio and video player also comprises the built-in loudspeaker that the sound signal after the described processing is exported synchronously.
In audio and video player described in the utility model, described power supply is a lithium battery.
In audio and video player described in the utility model, described storer is TF card, SD card or USB storage.
In audio and video player described in the utility model, described audio-visual control module comprises that model is the chip of ST3615.
Implement audio and video player of the present utility model, has following beneficial effect: owing to adopt double-tone input block and Frequency mixing processing unit frequently, make and the phonetic entry and the accompaniment music of microphone well can be carried out Frequency mixing processing, on audio and video player, realize the function of Karaoke, thereby realized using little, the portable audio and video player of volume to play Karaoka anywhere or anytime.The connection of rotating shaft line stretcher makes microphone more portable.Built-in loudspeaker is arranged so that the singer can not hear by external playing device at any time or shares oneself song on the player.
The singer can better understand the information and the captions of song when video output made Karaoke.Double-tone input block frequently makes the user can use the audio content that is stored in the storer to sing, and also can sing by the external audio frequency player, and more choice is arranged.Audio frequency output also can be stored in the audio-frequency information after the mixing in the storer except can direct external power amplifier output, shares so that use in the future.The use environmental protection of lithium battery, charging capable of circulation.Storer can adopt multiple memory device, and the user choice is big.The chip of ST3615 can well be realized the various functions of audio-visual control module.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of first preferred embodiment of the utility model audio and video player;
Fig. 2 is the structural representation of second preferred embodiment of the utility model audio and video player;
Fig. 3 is the structural representation of the 3rd preferred embodiment of the utility model audio and video player;
Fig. 4 is the structural representation of the 4th preferred embodiment of the utility model audio and video player;
Fig. 5 is the structural representation of the specific embodiment of the utility model audio and video player.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, in first preferred embodiment of the utility model audio and video player, described audio and video player comprises display screen, storer, power supply and audio-visual control module 1.Display screen is used to show associated video information; Storer is used to store audio-video frequency content and relevant other guide; Power supply is used for each parts power supply to audio and video player.Audio-visual control module 1 comprises the first audio frequency input block 11, the second audio frequency input block 12, Frequency mixing processing unit 13 and audio output unit 14.The first audio frequency input block 11 is connected with microphone, and the first audio frequency input block 11 is used for receiving speech information and voice messaging is sent to Frequency mixing processing unit 13; The second audio frequency input block 12 is used to receive the audio-frequency information of accompaniment and this audio-frequency information is sent to Frequency mixing processing unit 13; Frequency mixing processing unit 13 is used for the sound signal of the first audio frequency input block 11 and 12 inputs of the second audio frequency input block is carried out Frequency mixing processing; Audio output unit 14 is with the audio signal output after the Frequency mixing processing.When this audio and video player uses as Caraok device, the voice signal that the singer sings by microphone (being generally mini microphone or the built-in microphone carried) input, microphone is input to the first audio frequency input block 11 with this voice signal, Ban Zou sound signal is input to the second audio frequency input block 12 simultaneously, Frequency mixing processing unit 13 carries out Frequency mixing processing with the voice signal of the first audio frequency input block 11 and the sound signal of the second audio frequency input block 12, the sound signal after the generation mixing; Sound signal after this mixing outputs to by audio output unit 14 can realize the function of playing Karaoka on the external audio playback equipment.Owing to adopt double-tone input block and Frequency mixing processing unit 13 frequently, make and the phonetic entry and the accompaniment music of mini microphone well can be carried out Frequency mixing processing, on audio and video player, realize the function of Karaoke, thereby realized using little, the portable audio and video player of volume to play Karaoka anywhere or anytime.As shown in Figure 3, in the 3rd preferred embodiment of the utility model audio and video player, this comprises built-in loudspeaker described audio and video player, and the sound signal of described built-in loudspeaker after with described processing exported synchronously.Being arranged so that the singer can not hear by external playing device at any time or sharing own song of built-in loudspeaker is more convenient for this audio and video player as the use of playing Karaoka.As shown in Figure 4, in the 4th preferred embodiment of the utility model audio and video player, microphone is a built-in microphone, and built-in microphone is connected by the rotating shaft line stretcher with the first audio frequency input block 11.The user that is arranged so that of built-in microphone does not need other external microphone, and microphone can not be built in the audio and video player by the rotating shaft line stretcher when not using simultaneously, does not influence other normal uses of audio and video player when not using built-in microphone.
As shown in Figure 2, in second preferred embodiment of the utility model audio and video player, audio-visual control module 1 also comprises video output unit 15, and video output unit 15 is used for and will is stored in storer, outputs to described display screen with the corresponding video information of sound signal.When this audio and video player uses as Caraok device, when Frequency mixing processing unit 13 carries out mixing, video output unit 15 outputs to the video information relevant with the audio-frequency information of accompaniment on the display screen, understand the information such as content, the lyrics of accompanying song for the singer, better realize the function of the Karaoke of this audio and video player.Certainly also this video output unit 15 not, this audio and video player is only imported, handles, is exported sound signal, can realize simple audio frequency mixing complex functionality, not only can realize Karaoke, also can realize synthetic (poem recitation synthetic as simple music, that making has background music etc.) between the different audio signals.
As the preferred embodiment of the utility model audio and video player, the second audio frequency input block 12 comprises first audio input end and second audio input end.Described first audio input end is connected with storer, is used for the audio-frequency information that input store is stored; Described second audio input end is connected with the external audio playing device, is used to import outside sound signal.Double-tone input block frequently makes the user can use the audio content that is stored in the storer to sing, and also can sing by the external audio frequency player, and more choice is arranged.
As the preferred embodiment of the utility model audio and video player, audio output unit 14 comprises first audio output and second audio output.Described first audio output is connected with storer, is used for the audio signal output after the described mixing to storer; Described second audio output is connected with the external audio output unit, is used for the audio signal output after the described mixing carrying out real-time broadcast to the external audio output unit.Double-tone is exported frequently except directly the external audio frequency output unit is exported, and also the audio-frequency information after the mixing can be stored in the storer, shares so that use in the future.
Preferred embodiment as the utility model audio and video player, power supply is a lithium battery, because the lithium battery volume is little, electric weight is big, use environmental protection and charging capable of circulation, is particularly suitable for the use of this audio and video player, also can adopt the mode or the type of other power supplies certainly according to user's needs.Storer is TF card, SD card or USB storage, and this audio and video player has the interface of multiple storer, the multiple memory device of convenient use, and the user can select to use according to the needs of self.Audio-visual control module is that model is the chip of ST3615, uses this chip can well realize audio mixing processing, the diversity of interface and the functions such as input and output of sound signal, also can adopt other can realize the chip of identical function certainly.
Fig. 5 is the structural representation of the specific embodiment of the utility model audio and video player, when the specific embodiment of this audio and video player uses, power to related device by built-in lithium battery, the user is by the correlation function of the audio-visual main control chip ST3615 of the push-botton operation on the audio and video player, as from external audio playing device input audio accompaniment or from the TF card, the SD card, import audio accompaniment on the storeies such as USB storage, from built-in microphone input user's performance audio frequency, audio accompaniment and performance audio frequency are exported by power amplifier band two-channel loudspeaker behind audio-visual main control chip ST3615 uppermixing, the TF card is exported or outputed to built-in loudspeaker, the SD card, on the storeies such as USB storage; Simultaneously audio-visual main control chip ST3615 outputs to the video information relevant with the audio-frequency information of accompaniment on the display screen from storeies such as TF card, SD card, USB storage, and the confession singer understands information such as the content, the lyrics of accompanying song.With this Kara OK function of realizing audio and video player, realized integrated, the miniaturization and the portability of audio and video player and Caraok device.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (7)

1. audio and video player, comprise display screen, storer and power supply, it is characterized in that, described audio and video player also comprises audio-visual control module (1), and described audio-visual control module (1) comprises the first audio frequency input block (11) that is used for being connected with microphone, the second audio frequency input block (12), the sound signal of described first audio frequency input block (11) and the input of the described second audio frequency input block (12) is carried out the Frequency mixing processing unit (13) of Frequency mixing processing and with the audio output unit (14) of the audio signal output after the Frequency mixing processing; Described microphone is a built-in microphone, and described built-in microphone is connected by the rotating shaft line stretcher with the described first audio frequency input block (11); Described audio and video player also comprises the built-in loudspeaker that the sound signal after the described Frequency mixing processing is exported synchronously.
2. audio and video player according to claim 1 is characterized in that, described audio-visual control module (1) also comprises and will be stored in the storer, output to video output unit (15) on the described display screen with the corresponding video information of sound signal.
3. audio and video player according to claim 1 is characterized in that, the described second audio frequency input block (12) comprises first audio input end that is connected with described storer and second audio input end that is connected with the external audio playing device.
4. audio and video player according to claim 1, it is characterized in that described audio output unit (14) comprises the audio signal output after the described mixing to first audio output of described storer with second audio output of the audio signal output after the described mixing to the external audio output unit.
5. audio and video player according to claim 1 is characterized in that, described power supply is a lithium battery.
6. audio and video player according to claim 1 is characterized in that, described storer is TF card, SD card or USB storage.
7. audio and video player according to claim 1 is characterized in that, described audio-visual control module (1) comprises that model is the chip of ST3615.
CN2010202749746U 2010-07-29 2010-07-29 Multimedia player Expired - Fee Related CN201859647U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2010202749746U CN201859647U (en) 2010-07-29 2010-07-29 Multimedia player

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105788582A (en) * 2016-05-06 2016-07-20 深圳芯智汇科技有限公司 Portable karaoke sound box and karaoke method thereof
CN106851476A (en) * 2016-11-03 2017-06-13 灵感创作室有限公司 A kind of PA-system used cooperatively with microphone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105788582A (en) * 2016-05-06 2016-07-20 深圳芯智汇科技有限公司 Portable karaoke sound box and karaoke method thereof
CN105788582B (en) * 2016-05-06 2019-09-10 深圳芯智汇科技有限公司 Portable karaok speaker and its method of Karaoke
CN106851476A (en) * 2016-11-03 2017-06-13 灵感创作室有限公司 A kind of PA-system used cooperatively with microphone

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110608

Termination date: 20150729

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