CN2181142Y

CN2181142Y - Multi-function digital telephone phonetics processor

Info

Publication number: CN2181142Y
Application number: CN 94207552
Authority: CN
Inventors: 朱元涛; 朱元浩
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-04
Filing date: 1994-04-04
Publication date: 1994-10-26
Anticipated expiration: 2004-04-04

Abstract

The utility model relates to a device having various speech processing abilities, which is connected with a telephone through a digital circuit. The utility model is composed of a telephone answering machine control chip, a dynamic memory, a code decoding chip, a ring detecting circuit, a telephone interface circuit, a built-in microphone loud-speaker interface circuit, a doorkeeper microphone loud-speaker interface circuit, a man-machine interface circuit and an appliance switch control circuit, wherein, the telephone answering machine control chip is respectively connected with other circuits. The code decoding chip is connected with the telephone interface circuit, the built-in microphone loud-speaker interface circuit and the doorkeeper microphone loud-speaker interface circuit. The utility model has the characteristics of long speech storing time and multiple speech processing functions.

Description

Multi-function digital telephone phonetics processor

The utility model relates to a kind of device of realizing with digital circuit that links to each other and have multiple speech processes ability with phone.

Because the restriction of large scale integrated chip (LSI chip) development and compress speech processing method, existing digital phone recording processing unit has voice and falls short of memory time, can not develop the more problem of more voice processing capacity, though thereby existing digit formula answering machine comes out, can't popularization and application.

The purpose of this utility model is to provide a kind of multifunction digital call voice processor that can overcome above-mentioned shortcoming, and this function overcomes existing digital phone answering machine and falls short of memory time, the problem that function is abundant inadequately.

The utility model comprises the telephone answering set control chip, dynamic memory, coding and decoding chip, the man-machine interface circuit, ring detecting circuit, telephone interface circuit, microphone, speaker interface circuit in the machine, entrance guard's microphone, speaker interface circuit, appliance switch control circuit.Describe referring to accompanying drawing 1, the utility model is achieved in that ring detecting circuit links to each other with the telephone answering set control chip, as awarding the words people when putting through phone, this partial circuit is given the telephone answering set control chip after bell signal is handled, to trigger the preparation of working well of telephone answering set control chip.Telephone interface circuit, microphone in the machine, the speaker interface circuit, entrance guard's microphone, the speaker interface circuit links to each other with the coding and decoding chip respectively, the coding and decoding chip links to each other with the telephone answering set control chip, call as awarding the words people, receive the words people message or the message of answering a call, when the visitor locates to leave a message the entrance guard, the telephone answering set control chip is controlled corresponding circuit and is connected, need the encoded device digitlization of voice of storage also to be sent to the telephone answering set control chip behind the coding, the telephone answering set control chip compresses digitized voice signal through linear prediction method, and this information deposited in the dynamic memory that links to each other with the telephone answering set control chip, the digitized voice signal that needs to play is taken out from the dynamic memory that is attached thereto by the telephone answering set control chip, restore through linear prediction algorithm, and give the coding and decoding chip with the digital signal of restoring, the coding and decoding chip is an analog voice signal with this digital signal decoding, is sent to telephone interface circuit or on-board speaker or entrance guard's loud speaker as requested.The man-machine interface circuit links to each other with the telephone answering set control chip, and the telephone answering set control chip demonstrates present clock, the information of relevant telephone message, the assignment procedure of hint instructions by button reception user's various instructions and execution by display unit.The telephone answering set control chip is according to the decoding to dtmf signal, and mains switch is switched on or switched off in the appliance switch control circuit that control is attached thereto.

Because the utility model has adopted integrated level height, telephone answering set control chip that function is strong, and adopted the big linear prediction algorithm of voice digital signal compression ratio, so compare following advantage with other digital phone recording processing unit: the voice signal that 1, in the dynamic memory of same capability, can store the longer time, in the dynamic memory of a slice 4,000,000 capacity, can store 7 to 8 minutes voice signal, this utility model has adopted the dynamic memory of 4 4,000,000 capacity, and the actual storable voice time is between 28 to 32 minutes.Because memory time, lengthening made this utility model possess the condition of popularizing.2, has abundant language process function, be specially: (1) phone owner recording playback sound of leaving a message, (2) the phone owner encrypts message recording playback sound, (3) the daily owner recording playback sound of leaving a message, (4) daily owner encrypts message recording playback sound, (5) owner's entrance guard recording playback sound of leaving a message, (6) the disposable owner's daily message recording playback sound of timing and the recording playback sound of regularly leaving a message, (7) the permanent owner recording playback sound of regularly leaving a message, (8) the phone timing automatic is broadcasted owner's announcement record and timing automatic dialing broadcast owner message, (9) recording of entrance guard guest's message, (10) the recording playback sound of phone guest message, (11) the phone both sides recording playback sound of conversing, (12) telephone cipher remote control is to indoor monitoring, (13) telephone cipher remote control is monitored or is deleted various guest's messages and revises owner's message, (14) telephone cipher remote control appliance switch, (15) timing controlled appliance switch, (16) calling is transferred automatically, (17) the cipher remote control emergency call is urged and being cried, (18) clock shows, (19) calling kind and the demonstration of calling time.

Below in conjunction with the embodiment accompanying drawing the utility model is described in further detail.

Accompanying drawing 1 is the utility model embodiment electrical principle block diagram.

Accompanying drawing 2 is circuit structure diagrams of the utility model embodiment main control part.

Accompanying drawing 3 is circuit structure diagrams of the utility model embodiment man-machine interface part.

Accompanying drawing 4 is circuit structure diagrams of the utility model embodiment speech interface part.

Accompanying drawing 1 realizes that in technical scheme part is illustrated, and no longer repeats here.

Accompanying drawing 2 is circuit structure diagrams of the utility model embodiment main control part, and wherein IC1 is the telephone answering set control chip, and its model is Z89C67.IC2, IC3, IC4, IC5 are 4 dynamic memories, and its model is the ARAM of 4M * 1.IC6 is the coding and decoding chip, and its model is MC145503.J1, J2 are two relays, and K1, K2 are the switches of J1, J2 relay correspondence, and C1, C2 are two electric capacity, and XTAL is the crystal oscillator of a 20.48MHZ, and R1, R2 are two resistance.When voice signal or dtmf signal were given IC1, IC1 handled this signal.At first IC1 judges that this signal is dtmf signal or voice signal.If voice signal, then IC1 compresses it with linear prediction algorithm, and the digital signal after will compressing is sent among IC2 or IC3 or IC4 or the IC5 and stored.If dtmf signal is then judged the implication of this signal, and carries out corresponding action.If as the switch of this signal remote control electrical appliance switching circuit, then send corresponding signal and give relay J 1 or J2, make its corresponding contact K1 or K2 carry out corresponding switch motion; If to indoor monitoring, then the relay J 6 in the accompanying drawing 3 is controlled in the IC1 signalling as this signal, J6 closes its contact, and indoor microphone MIC1 and telephone wire are connected, and awards words person and can hear indoor sound; If urge as this signal remote control emergency call and to cry, then IC1 signals to relay J 5, and closed its contact of J5 engages cabinet speaker SP1, and IC1 sends the digital signal of " toots ", send loud speaker SP1 to send after IC6 decoding change analog signal; If this signal is switching automatically, then the IC1 telephone number that owner is provided with switching is sent with certain sequential with the form of DTMF digital signal, delivers to after IC6 is decoded as analog signal on the telephone wire, and IC1 monitors telephone wire thereafter, if the other side's closing of the circuit, then IC1 will award the message broadcast of words side; If monitor message as this signal, then IC1 judges that at first monitoring telephone message, entrance guard's message still are daily owner's message, and the message of appropriate section is taken out from dynamic memory, send IC6 to be decoded as analog signal, is sent to telephone wire and broadcasts in proper order.If delete message, then IC1 deletes the message of appropriate section from dynamic memory IC 2 or IC3 or IC4 or IC5; If this signal is revised phone owner message, then IC1 at first deletes the owner's message among the dynamic memory IC1, monitors the digital signal that IC6 sends here then, and stores sending among the IC1 after the compressed processing of this part signal.

Accompanying drawing 3 is circuit structure diagrams of this example man-machine interface part.S1 is a playback button, and S2 is a record button, and S3 is a delete key, and S4 establishes cryptographic key, and S5 is a telephone key, and S6 is entrance guard's key, and S7 is daily key, and S8 is the time set key, and S9 increases key, and S10 reduces key.L1, L2, L3, L4, L5, L6 are six charactrons, and E1, E2, E3 are three light-emitting diodes, press the S1 key after, E1 is glittering, press the S2 key after E2 glittering, press the S4 key after, E3 is glittering.Do not having under the situation of button, that L1, L2 show is current " time ", L3, L4 show current " branchs ", L5, L6 show the number of leaving a message.After pressing ten function keys of S1 to S10, IC1 accepts its order, does corresponding processing after order is discerned.Press the S1 key, the order that the IC1 in the accompanying drawing 2 presses phone, daily, entrance guard from accompanying drawing 2 IC2 or IC3 or IC4 or IC5 in take out message digital signal, give and send cabinet speaker to broadcast after IC6 in the accompanying drawing 2 is decoded as analog signal.If before pressing S1,, then only broadcast corresponding telephone message, entrance guard's message, daily message by crossing S5, S6, S7 key; If will monitor the password message, then at first press the S4 key, press S9 or S10 key then, under the prompting demonstration of L4, send into password at L1, after having sent, presses by password the S1 key, if password setting is correct, then broadcast corresponding encryption message by indoor microphone.Press in S5, S6 or the S7 key, and then press the S2 key, the message people can speak facing to indoor microphone, and then these voice are delivered among IC2 or IC3 or IC4 or the IC5 after the IC6 in accompanying drawing 2, IC1 handle and stored by indoor microphone MIC1 typing.Need to encrypt if phone owner message or daily owner leave a message, then pressed the S4 encryption key earlier before pressing S5 or S6, press S9, S10 key assignments password then, the Recording Process behind the password setting as hereinbefore.If want delete message, then press S5, S6 or S7 key, press the S3 key again, then the IC1 in the accompanying drawing 2 receives these signals, and corresponding telephone message, daily message or entrance guard's message are deleted from IC2 or IC3 or IC4 or IC5.Press the S8 key, then L1, L2 flash and show current " duration ", press S9, S10 and adjust " duration ", press the S8 key after sending into end, and then L3, L4 flash and show current " score value ", send into current " score value " according to preceding method.If will record the daily message of disposable timing, then before sending into clock, need press record button S2, then after clock is set end, the message people can speak facing to the indoor microphone MIC1 in the accompanying drawing 4, send among IC2 or IC3 or IC4 or the IC5 after IC6, the IC1 of this part message in accompanying drawing 2 handles and store, message finishes and presses S2, and then regularly the message process finishes, by the time aforementioned process set time the time, IC1 judges and automatically this partial content is broadcasted.If will set the daily message of permanent owner, then clicked encryption key before the operation of the daily message of aforementioned disposable timing, it is identical that other process and disposable owner regularly leave a message, after this process operation end, after then IC1 judges that at every turn setting-up time arrives, be about to this message content and broadcast.If will be in both sides' communication process, if press the S2 record button, then the IC1 in the accompanying drawing 2 sends instructions IC6 is started, IC6 send IC1 after the both sides' speech conversion on the telephone wire is become digital code, IC1 sends into after treatment among IC2 or IC3 or IC4 or the IC5 and stores, promptly realized phone both sides calling record, again by a S2, End of Tape.If will set the Auto-timing Controller function, then, in 1 second, press the S8 key behind the EO, send into 1 or 2 or 3 or 4 by S9 or S10 key according to aforementioned clock setting process operation, and then by a S8, setting up procedure promptly finishes, and IC1 is after setting-up time arrives, according to the value output signal of keying in, control relay J1 or J2, closed or disconnect the supply socket of its 220V, 1,2 be socket closed, that disconnect J1, and 3,4 be the socket of closure, disconnection J2.

Accompanying drawing 4 is the circuit structure diagram of the utility model embodiment speech interface part, and it comprises that ring detects, microphone, speaker interface circuit in the telephone interface circuit, machine, entrance guard's microphone, speaker interface circuit.

Wherein SP1 is an on-board speaker, operational amplifier IC8 and resistance R 13, R14, and capacitor C 3, C4 form the on-board speaker signal amplification circuit, and relay J 5, J7 are its signal control switching circuit.MIC1 is a microphone in the machine, operational amplifier IC9 and resistance R 15, R16, R17, R18, R19, capacitor C 5, C6, C7, C8 form microphone amplifying circuit in the machine, relay J 6, J7 are its signal control switching circuit, SP2 is entrance guard's loud speaker, operational amplifier IC10 and resistance R 20, R21, capacitor C 9, C10 form entrance guard's loud speaker amplifying circuit, and relay J 3, J4 are its signal control switching circuit.MIC2 is entrance guard's microphone, operational amplifier IC11 and resistance R 22, R23, R24, R25, R26, and capacitor C 11, C12, C13, C14 form entrance guard's microphone amplifying circuit, and relay J 3, J4 are its signal control switching circuit.Optocoupler IC7, resistance R 27, R28, R29 and diode E4 form ring detecting circuit, and when bell signal, this signal signals to IC1 in the accompanying drawing 2 through this testing circuit, and IC1 begins to handle accordingly after detecting this signal.Capacitor C 15, piezo-resistance R30, diode E5, E6, E7, E8, relay J 8 is formed telephone interface circuits, dtmf signal or voice signal is delivered in the accompanying drawing 2 coding and decoding chip IC 6 handled.S11 is entrance guard's button, after messenger presses S11, this signal is sent to the IC1 in the accompanying drawing 2, IC1 receives the digital signal of taking out entrance guard's message behind this signal from IC2, signal to relay J 3 simultaneously, J3 connects entrance guard's microphone, loud speaker and IC6, after decoding, give IC6, IC6 is translated into analog signal and gives the broadcast of entrance guard's loud speaker, message broadcasts successors can be facing to the loud speaker message, these voice are delivered to IC1 after the IC6 digitlization, IC1 deposits to IC2 or IC3 or IC4 or IC5 after this digitize voice is compressed.Messenger decontrols S11, and Recording Process promptly finishes.

Claims

1, a kind of multifunction digital call voice processor, link to each other with telephone set, it is characterized in that: it comprises the telephone answering set control chip, dynamic memory, coding and decoding chip, the man-machine interface circuit, ring detecting circuit, microphone, speaker interface circuit in the telephone interface circuit, machine, entrance guard's microphone, speaker interface circuit, the appliance switch control circuit; Ring detecting circuit links to each other with the telephone answering set control chip with telephone interface circuit respectively, gives the telephone answering set control chip after bell signal is handled; Telephone interface circuit, microphone, speaker interface circuit in the machine, entrance guard's microphone, speaker interface circuit link to each other with the coding and decoding chip respectively, and the coding and decoding chip links to each other with the telephone answering set control chip, with analog voice signal digitlization or audio digital signals is simulated; The telephone answering set control chip respectively with the coding and decoding chip, telephone interface circuit, microphone, speaker interface circuit in the machine, entrance guard's microphone, speaker interface circuit link to each other, and control the course of work of these circuit and chip; The telephone answering set control chip links to each other with dynamic memory, and the telephone answering set control chip links to each other with the appliance switch control circuit, and the telephone answering set control chip links to each other with the man-machine interface circuit.

2, multifunction digital call voice processor according to claim 1 is characterized in that: that the telephone answering set control chip adopts is Z89C67, and the coding and decoding chip is MC145503.

3, multifunction digital call voice processor according to claim 1, it is characterized in that: dynamic memory has adopted the ARAM of 4 4M * 1.