CN2169186Y - Electronic apparatus for teaching baby to speak and recording message - Google Patents

Abstract

The utility model belongs to a speech recording and playback device, which is mainly composed of a speech processing circuit, a memory, a microphone amplifier, a noise reduction filter, a power amplifier, a reset circuit, a playback trigger, a recording trigger, a memory partitioning circuit, etc. The speech recording and playback device provided by the utility model has the functions of language learning of infants and family message leaving.

Description

Electronic apparatus for teaching baby to speak and recording message

The utility model belongs to a kind of speech recording and reproducing device, and particularly a kind of child learns the electronic installation of words and family's message usefulness.

Child's early stage speech training is that the intellectual development for the child is very important, but the religion of going of one one word of father and mother is leaned in child's early stage speech training entirely in actual life, efficient is very low, the playback though devices such as sound-track engraving apparatus can be recorded is not so complicated operation, waywardly bring into play very big effect.And speech processing circuit have be convenient to control, the advantage of playback immediately, add once the cover auxiliary control circuit and constituted a kind of novel language learning instrument.

The purpose of this utility model is to provide a kind of child to learn the instrument of words, simultaneously is applied as family as the expansion of this device a kind of message leaving device is provided, and makes things convenient for family life.

To achieve these goals, the utility model is taked following technical scheme: preferred a kind of speech processing circuit from prior art, design a cover auxiliary control circuit again.Design concept is: at learning state, storer (2) is divided into two memory blocks, a memory block is deposited and is kept voice (abbreviation reserved area), voice (being called for short district at random) are at random deposited in another memory block, when being given a shock, playback trigger (II) upset starts speech processor and reserved area, emits the reservation voice; When external sound is arranged, start speech processor and district at random, record is extraneous voice signal down, and behind the End of Tape, playback trigger (I) upset is recorded voice with institute and is emitted.Under the message state, the storer unified addressing is used, when pressing record button AN, the upset of recording trigger, speech processor enters recording state, and record is message information down; At stand-by state, if any vibrations or external sound, the upset of playback trigger starts the speech processor playback, and message is emitted.Reset circuit makes circuit after tone playing state finishes be arranged an of short duration stop time, avoids entering repetition recording playback state.Playback trigger (7), recording trigger (8) is connected with speech processing circuit (1) is parallel respectively, the input end of reset circuit (6) is connected with speech processing circuit (1), and the output terminal of reset circuit (6) is connected with recording trigger (8) with playback trigger (7), memory partition circuit (9) and speech processing circuit (1), storer (2), playback trigger (7), recording trigger (8) is connected, microphone and amplifying circuit (3) are connected with speech processing circuit (1), speech processing circuit (1), noise reduction filtering circuit (4), power amplifier (5) is linked in sequence.

A kind of child provided by the utility model learns the electronic installation of words and family's message, can teach the child to learn to speak, and improve the child and learn the speed and the interest of words, and can be as family's answering machine, for family life is provided convenience.

Fig. 1 is a circuit block diagram of the present utility model, and wherein 1 is speech processing circuit, and 2 is storer, and 3 is microphone amplifier, and 4 is noise filter, and 5 is power amplifier, and 6 is reset circuit, and 7 are the playback trigger, and 8 are the recording trigger, and 9 is the memory partition circuit.

Fig. 2 is the electrical schematic diagram of the speech processes part of the utility model embodiment.

Fig. 3 is the microphone of the utility model embodiment and the electrical schematic diagram that signal amplifying part is divided.

Fig. 4 is the electrical schematic diagram that the function controlling part of the utility model embodiment divides.

Bottom is described in detail embodiment of the present utility model in conjunction with the accompanying drawings.

Fig. 2 is the electrical schematic diagram of speech processes part, it comprises speech processing circuit (1), storer (2), speech processing circuit (1) is made of circuit such as speech processor U1, regenerated signal amplifier U6, comparison amplifier U8, be input as the voice signal after the amplification, be output as the voice signal of regeneration, the major control signal end of U1 is described as follows: RST is the speech processor reset signal, and high level is effective;

Be the playback trigger end,

Be the recording trigger end, it is effective to be low level; Storer (2) is made of U2, the quantized data of its storage of speech signals,

Being memory write signals, is low level during recording; Being the memory read signal, is low level during playback.More than these are prior art, repeat no more here.

Fig. 3 is the electrical schematic diagram that microphone and signal amplifying part are divided, it comprises microphone and amplifying circuit (3), noise reduction filtering circuit (4), the electrical schematic diagram of power amplifier (5), microphone and amplifying circuit (3) are by microphone MIC and microphone amplifier T1, circuit such as U5 constitute, microphone receives extraneous voice signal, the voice signal of output after amplifying, noise reduction filtering circuit (4) is made of Dolby circuit T3 and low-pass filter circuit U7 etc., be input as the reproduce voice signal, the voice signal of output behind noise reduction filtering, power amplifier (5) is made of power amplifier U9 etc., the reproduce voice signal of input behind noise reduction filtering, output promotes the loudspeaker playback.These circuit are prior art, and its principle of work repeats no more.

The electrical schematic diagram that Fig. 4 divides for function controlling part, it comprises reset circuit (6), playback trigger (7), recording trigger (8), memory partition circuit (9).D1, D2, R37, C24, U10 etc. constitute reset circuit (6), and U10 is a d type flip flop, and the function of d type flip flop is when the level of clock end CLK becomes high level by low level, and the level of data terminal D is sent to output terminal Q,

Be reversed-phase output, opposite with the level of Q, its output terminal Q links to each other with the reset terminal of U1; D4, U13, C2, R2, D3 constitute playback trigger (I), D5, U11, R3, vibration switch K constitute playback trigger (II), playback trigger (I) and (II) constitute playback trigger (7) jointly, U13 and U11 are d type flip flop, and their output terminal is connected in the playback trigger end of U1 through diode D4 and D5; D8, U12, button AN and R5 constitute recording trigger (8), and the output terminal of U12 links to each other with the recording trigger end of U1.K1-1, R4, R6 etc. constitute memory partition circuit (9).

When the A12 of speech processor U1 or A13 end during for high level, high level is added to the CLK end of U10 by D2 or D1, because the D of U10 end is high level, the Q end upset of U10 resets U1, U11, U12 for high level, charge to C24 by R37 simultaneously, after after a while, the voltage on the C24 is raised to the threshold level of trigger, and U10 resets, the Q end recovers low level, and reset mode finishes.

Under recording state, U1's

End is undersuing, sends into the D end of U13 through becoming low level signal after R2, D3 and the C2 filtering, when recording state finishes, reset signal provides a positive pulse signal for the CLK end, hold low level to reach Q end D, the Q end upset of U13 is low level, by D4 with U1's

End draws and is low level, starts the speech processor playback.

When vibrations or sound, the CLK end of U11 obtains pulse signal and is triggered, and holds level to be sent to the Q end D, if be non-recording state this moment, the voltage on the C2 is high level, and Q is a high level,

Be low level, start the speech processor playback by D5.

When AN was closed, the CLK of U12 end obtained positive pulse, held high level to reach the Q end D,

Be low level, by D8 with U1's

The recording trigger end draws and is low level, starts the speech processor recording.

The resistance value ratio R6 of R4 is big 10 times, and when message state, the A12 end of the A12 of U1 end and U2 directly links to each other, and U2 is subregion not; At learning state, the disconnection of the A12 of the A12 of U1 end and U2 end, as U11 or U12 When end is high level, D6, not conducting of D7, the A12 end of U2 is pulled to high level by R4, and the district enters work at random, U11 or U12's

When end had one to be low level, the R6 lower end was low level, and the dividing potential drop of R4 and R6 is lower than the threshold voltage of U2, and the LAP Low Address Part of choosing U2 is the reserved area.

D12, D13 and R34 constitute power consumption of memory and reduce circuit, when U1's

,

When being high level, U2's

End is a high level also, and U2 does not choose, and is in the low-power consumption stand-by state, when U1 carries out read-write operation to U2,

,

Must there be one to be low level,

Be pulled low to low level, U2 enters duty.

The utility model can be used as a kind of high-grade intelligent toy.

Claims (6)

1, a kind of child learns the electronic installation of words and family's message, it is characterized in that playback trigger (7), recording trigger (8) is connected with speech processing circuit (1) is parallel respectively, the input end of reset circuit (6) is connected with speech processing circuit (1), and the output terminal of reset circuit (6) is connected with recording trigger (8) with playback trigger (7), memory partition circuit (9) and speech processing circuit (1), storer (2), playback trigger (7), recording trigger (8) is connected, microphone and amplifying circuit (3) are connected with speech processing circuit (1), speech processing circuit (1), noise reduction filtering circuit (4), power amplifier (5) is linked in sequence.

2, a kind of child according to claim 1 learns the electronic installation of words and family's message, it is characterized in that comprising a d type flip flop U10 in the reset circuit (6) that the output terminal of d type flip flop U10 links to each other with the RESET input of speech processing circuit (1).

3, a kind of child according to claim 1 learns the electronic installation of words and family's message, it is characterized in that comprising in the playback trigger (7) two d type flip flop U11 and U13, the output terminal of d type flip flop U11 links to each other with the playback trigger end of speech processing circuit (1) with D4 by diode D5 respectively with the output terminal of U13.

4, a kind of child according to claim 1 learns the electronic installation of words and family's message, it is characterized in that recording comprises a d type flip flop U12 in the trigger (8), and the output terminal of d type flip flop U12 links to each other with the recording trigger end of speech processing circuit (1) by diode D8.

5, a kind of child according to claim 1 learns the electronic installation of words and family's message, it is characterized in that the side of resistance R 4 in the memory partition circuit (9), R6 series connection and its mid point and K1-1 is connected.

6, learn the electronic installation of words and family's message according to claim 1 or 2 or 3 or 4 or 5 described a kind of childs, it is characterized in that comprising in the storer (2) that a power consumption reduces circuit, D12, D13 are connected to the memory read control end in power consumption reduction circuit, write control end and sheet and select between the input end, R34 is connected in sheet and selects between input end and the positive supply.

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