CN1086335A

CN1086335A - The tool guiding function sing device

Info

Publication number: CN1086335A
Application number: CN 92112599
Authority: CN
Inventors: 施瑜玮; 孙实庆; 简如欣
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-27
Filing date: 1992-10-27
Publication date: 1994-05-04

Abstract

A kind of tool guiding function sing device, mainly include formations such as filter sound circuit, back level amplifying circuit, loudspeaker, hybrid circuit and talk-back circuit, wherein filter the connection of sound circuit system and connect the source of sound of establishing with earphone, and filter sound circuit connects with a back grade amplifying circuit in the rear end and establishes, and a grade amplifying circuit rear end, this back is equipped with loudspeaker; Can make general commercially available recording by this device construction, video tape or video disc provide to be learned the person of singing and need not see that the spectrum or the lyrics can sing while listening to do the exercises to lead, the song that broadcasts has then been removed original singer person's sound, and sneaks into singer's sound, with the interest that improves the user and recreational.

Description

The tool guiding function sing device

A kind of tool guiding function sing device, especially refer to that a kind of general commercially available audiotape, video tape or video disc of using uses band for vocal accompaniment, and can provide that the person of singing need not see the spectrum or the lyrics can be while singing learn lead the art of singing energy, listen the device of having removed original singer person's sound in the song that broadcasts and having sneaked into singer's sound.

Singing vocal accompaniment especially all likes singing two songs and alleviates pressure in life with Japan, Taiwan all over the world, but sing vocal accompaniment at present and all must use dedicated music band, video tape or laser discsLD, and can't be with the singing voice and the music of commercially available standard recording, video tape or video disc, make a separating treatment and become the device construction that band is used in real vocal accompaniment, because, original singer person's song can't be removed, make the melody that plays back be mingled with the sound of drilling singer and original singer person, cause singer and original singer person's song chaotic mutually; Do not have original singer person's shadow if use only has music, when vocal cores is play, will make tone, beat catch inaccurate beginner or user, easily cause and sung away the situation generation that accent or speech and speed do not cooperate, and lose the confidence and enjoyment.

For improving the various shortcomings of above-mentioned legacy playback device and vocal accompany unit, the creator makes great efforts to study and constantly experiment through permanent, finally development and Design goes out the present invention, its purpose is providing a kind of " tool guiding function sing device ", main system: can use general commercially available audiotape, the three-dimensional source of sound that video tape or video disc provided inserts in the filter sound circuit of this device, so that song and music are done the processing of a separation signal, use band and can become real vocal accompaniment, this source of sound and directly and earphone connect and establish, filter sound circuit grade amplifying circuit behind rear end and connects to be established, this back level amplifying circuit also is equipped with loudspeaker in the rear end, in addition, the hybrid circuit and the talk-back circuit that start microphone are connected with filter sound circuit through change-over switch, can provide the singer to select the output of microphone with general also normal or echo effect by this change-over switch; Establish by connecing of apparatus of the present invention structure, can make general commercially available recording, video tape or video disc become vocal accompaniment and use band, the chanteur also can use external earphone and the grafting of this device, connect by earphone reception sources music, former song is guided, can not must see that the spectrum or the lyrics can do the exercises while listening to lead and sing, and in loudspeaker, only play out chanteur's song and dub in background music, with the enjoyment of enhancement amusement via the processing of separation signal.

Below the embodiment conjunction with figs. is described in detail as follows:

The simple declaration of accompanying drawing:

Fig. 1 is a circuit connection diagram of the present invention;

Fig. 2 is an enforcement synoptic diagram of the present invention;

Fig. 3 is that of the present invention another implemented synoptic diagram.

See also shown in Figure 1, the present invention is a kind of " number of tool guiding function is sung device ", mainly include filter sound circuit 1, back level amplifying circuit 2, loudspeaker 3, compositions such as hybrid circuit 4 and talk-back circuit 6, wherein filtering sound circuit 1 is that source of sound 14 is provided, 14 ' input and do the filter cent from, connect to establish with the non-inverting input 9 of an operational amplifier 8 and inverting input 10 respectively by the filtering circuit 7 of filtering noise information and form, can be by operational amplifier 8 with a left side, R channel input source of sound 14, original singer person's song filtering of 14 ', only keep former musical sound, but this non-inverting input 8 also is equipped with an adjustment rack, the adjustable resistance 11 of R channel degree of separation and an audio frequency receiving circuit 12, the audio signal that enters with wireless transmit by the reception of audio frequency receiving circuit 12, in addition, the output terminal 13 of operational amplifier 8 through the adjustable resistance 21 that can adjust the amplifying power size with after a level amplifying circuit 2 be connected, and feedback and return inverting input 10, can make a left side, the signal of R channel reaches standard position balance, this back level amplifying circuit 2 and loudspeaker 3 receptions of exporting with power.

Hybrid circuit 4 is mainly receiving the signal that promotion microphone 25 is sent, itself and a talk-back circuit 5 connect to be established, these hybrid circuit 4 ends also are equipped with an audio frequency receiving circuit 12, can receive the audio signal of importing with wireless transmit by audio frequency receiving circuit 12, in addition, hybrid circuit 4 is connected with two ends of switching switch 6 respectively with talk-back circuit 5 again, the end in addition of this change-over switch 6 connects with the inverting input 10 of filtering sound circuit 1 through a filtering circuit 7 and establishes, can provide the user by change-over switch 6, optionally the output signal with microphone 25 switches to general normal output, or switch through talk-back circuit 5 and make output signal produce echo, also the output signal of microphone 25 can be closed.

Source of sound 14,7 of 14 ' left and right sound channels and filtering circuits are equipped with earphone inserting terminal 15,15 ' respectively, when source of sound 14, the input of 14 ' signal, the singer can use earphone 16 to be plugged on the earphone inserting terminal 15,15 ', and the song that can enjoy original singer person simultaneously with dub in background music, use helping and the guiding user does not see that collection of tunes of poems sings along original singer person's high bass and bent speech speed; In addition, when source of sound 14,14 ' input signal are entered in the operational amplifier 8 by the non-inverting input 9 and the inverting input 10 of left and right sound channels through operational amplifier 8 respectively, and microphone 25, when the 25 ' signal that is sent is entered by inverting input 10, these signals by the input of left and right sound channels are promptly made comparisons and are subtracted each other, and between left and right sound channels if there is the signal of identical component will be cancelled removing, and not alternate input signal will be mixed into monophony and export a back level amplifying circuit 2 to and make signal and amplify, and be exported by loudspeaker 3 ends.

Because the audiotape of general commercially available standard form, video tape or video disc, the three-dimensional signal that it is exported, system finishes and is distributed in the left and right sound channels aspect original singer person's song, dubs in background music and then is distributed in the monolateral of left and right sound channels, so, there is the signal that exists of former leading singer's song to produce simultaneously in left and right sound channels, this former leading singer's song promptly amplifies number 8 works via computing and offsets filtering, and therefore, operational amplifier 8 only will be dubbed in background music and be sent by microphone 25, the 25 ' signal of inverting input 10 inputs.

As shown in Figure 2, three-dimensional source of sound 14,14 ' can connect with an ANTENN AUDIO transmitter 20 and establish, this solid source of sound 14,14 ' can be with source of sound 14 by this ANTENN AUDIO transmitter 20,14 ' signal is launched with audio frequency, and in the integrated circuit of main frame that the present invention installs 30, be equipped with an audio frequency receiving circuit 12 respectively at the hybrid circuit 4 of the inverting input 10 that inserts operational amplifier 8 and the non-inverting input 9 of access operational amplifier 8, the audio signal that this audio frequency receiving circuit 12 can be launched ANTENN AUDIO transmitter 20 receives and enters in the mat body circuit, then via integrated circuit song and music is done the processing of a separation signal again; Main frame 30 that can also several portions is done to receive simultaneously to handle, for the vast occasion use of many people.

As shown in Figure 3, three-dimensional source of sound 14,14 ' is can be simultaneously to connect with parallel way with several not machines of the present invention 30, in addition, also can with three-dimensional source of sound 14,14 ' and main frame of the present invention 30 connect and establish, then be connected with series system with several main frames 30 again, and be able to provide many groups to use simultaneously with wireless or wired vocal accompaniment by a source of sound 14,14 ' by this main frame 30.

The invention described above only illustrates with most preferred embodiment, and to being familiar with the personnel of this technology, when can carrying out various variations, but these variations all should be included in spirit of the present invention and the scope.

In sum, tool guiding function of the present invention sing device, on the shape constructing apparatus of article, belong at first creation, have novelty, can promote effect, and close in practicality, can be rated as a desirable novel invention.

Claims

1, a kind of tool guiding function sing device, mainly include:

One filter sound circuit is connect to establish with the non-inverting input of an operational amplifier and inverting input respectively by the filtering circuit of filtering noise information and forms, with the source of sound input is provided and do the filter cent from;

One back grade amplifying circuit will amplify via the signal of operational amplifier output;

One loudspeaker is connected the power output of main system as signal with back level amplifying circuit;

One hybrid circuit is mainly receiving and the amplification signal that microphone sent; Its output terminal then is connected to the anti-phase or non-inverting input of filter sound circuit;

One talk-back circuit mainly produces an echo effect at the output signal that microphone is provided;

The source of sound left and right sound channels is connected with the filtering circuit of filter sound circuit respectively, original singer person's song of a left side or sound channel input source of sound can be eliminated by operational amplifier, only keep former musical sound, the output terminal of this operational amplifier is connected with back level amplifying circuit, and feedback and return inverting input, so that the signal of left and right sound channels reaches accurate position balance;

2, a kind of tool guiding function as claimed in claim 1 sings device, it is characterized in that, wherein the input end of the input end Shang Yuyi talk-back circuit of hybrid circuit connects, and via one with the inverting input of the operational amplifier of filter sound circuit or the change-over switch that non-inverting input is connected, the general normal output of changeable one-tenth microphone, or process sound circuit generation echo is also exported or switch microphone output signal.

3, a kind of tool guiding function as claimed in claim 1 or 2 sings device, it is characterized in that, wherein the anti-phase and non-inverting input of operational amplifier is equipped with the audio frequency receiving circuit respectively, can receive the audio signal that enters with wireless transmit by this audio frequency receiving circuit.

4, tool guiding function as claimed in claim 1 or 2 and sing device is characterized in that, wherein can connect between the output terminal of operational amplifier and back level amplifying circuit to establish an adjustable resistance of adjusting watt level.

5, tool guiding function as claimed in claim 1 or 2 sings device, it is characterized in that, between the filter sound circuit wherein and the left and right sound channels of source of sound, can set the earphone inserting terminal respectively, when the signal of source of sound is imported by filter sound circuit, the singer can use earphone to be plugged on the earphone inserting terminal, and can be when singing, the song of hearing original singer person simultaneously with dub in background music.