CN2466757Y

CN2466757Y - Microcomputerized rhythm device with sound-recording function

Info

Publication number: CN2466757Y
Application number: CN 01205636
Authority: CN
Inventors: 温永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-21
Filing date: 2001-02-21
Publication date: 2001-12-19
Anticipated expiration: 2011-02-21

Abstract

The utility model relates to a microcomputerized rhythm device with a sound recording function, which comprises a casing which is provided with an LCD and a key input unit, and an SCM which is arranged in the casing and forms a rhythm device circuit. The utility model is characterized in that a pin of the SCM is connected with a sound recording chip outwards connected with a microphone, sound signals received by the microphone are stored in the sound recording chip, the sound recording chip can be controlled by the SCM at any time, and the stored sound information is played through a loudspeaker by using the key input unit arranged on the casing. The practice effect can be promptly inspected by users. The subjective initiative of the music self-learners can be maximumly exerted by the metronome; the utility model is in favor of the sense of rhythm training for the music lovers.

Description

Microcomputerized control metronome with sound-recording function

The utility model relates to electronic metronome, especially a kind of microcomputerized control metronome with sound-recording function.

Metronome is that the music-lover carries out the main rhythm marking tools in the music training, and traditional metronome is a physical construction, and its structure is complicated, and volume is big, use inconvenient.Along with progress of science and technology, advanced electronic technology has substituted original technology, and the electronic metronome that utilizes electronic technology to design has substituted mechanical metronome more and more.Existing computer control metronome is made up of singlechip controller, LCD, key input unit and sound output unit usually.Yet people feel in actual use, existing electronic structure or physical construction metronome all only have the function that instructs the music rhythm exercise, the user follows metronomic indication to practise passively, as for the result of exercise how, the rhythm of each chapters and sections has all been practised putting in place, then can't self-checking.How making metronome really become the good assistant of music-lover oneself exercise timing, is the problem that manufacturer transforms existing electronic metronome.

The purpose of this utility model is the deficiency that exists at above-mentioned microcomputerized control metronome, and a kind of microcomputerized control metronome with sound-recording function is provided.This metronome had both had general metronomic function, had the function of the practitioner being pronounced to duplicate back output again.

The utlity model has the microcomputerized control metronome of sound-recording function, comprise: the casing that is provided with LCD and key-press input unit, and be arranged on the circuit board that constitutes by single-chip microcomputer, sound driving amplifier and loudspeaker in the casing, it is characterized in that: be connected to recording chip between single-chip microcomputer and the sound driving amplifier, the external microphone of recording chip.

The metronomic design concept of microcomputerized control that the utlity model has sound-recording function is: utilize microphone to pick up voice signal, this voice signal deposits in the storer of this chip after recording chip is handled; Utilization is arranged on the key-press input unit on the casing, can impel single-chip microcomputer to control the voice signal that recording chip will be stored in the storer at any time and emit through loudspeaker.

The utlity model has the microcomputerized control metronome design science of sound-recording function, rational in infrastructure, simple, result of use is good, by this structure metronome, the user can check the practice effect of oneself at any time, the instant defective and the deficiency that exist in the music rhythm exercise process found, and constantly proofread and correct by metronome, finally reach pronunciation accurately.This metronome can be brought into play music self-taught learner's subjective initiative the biglyyest, helps very much the self training of music-lover's timing, is the instrument that a kind of novel music is trained.

The metronomic concrete structure of microcomputerized control that the utlity model has sound-recording function is provided in detail by the following drawings and embodiment.

Fig. 1 is the metronomic contour structures synoptic diagram of microcomputerized control with sound-recording function;

Fig. 2 is the metronomic electrical schematic diagram of microcomputerized control with sound-recording function shown in Figure 1.

Embodiment: can be clear that from Fig. 1 the metronomic casing 1 of microcomputerized control with sound-recording function is provided with LCD 2, key-press input unit 3, loudspeaker vocal hole 4 and luminescence display unit 5.Be provided with the beat generation circuit and the recording circuit that are subjected to above-mentioned key-press input unit 3 controls in the casing 1.As seen from Figure 2, described beat generation circuit and recording circuit are by single-chip microcomputer 101, sound driving amplifier 104, loudspeaker 105, and the recording chip 102 that is connected between single-chip microcomputer 101 and the sound driving amplifier 104 forms, and recording chip 102 is circumscribed with the microphone 103 that sound is picked up.D in the recording chip 102 ₀-D ₃Be that 4 data lines are connected with single-chip microcomputer 101 corresponding pins, be used for move instruction and the effect that shows state between single-chip microcomputer 101 and the recording chip 102.The sheet choosing end CE of recording chip 102 is connected with the respective pin of single-chip microcomputer 101, and when this pin was low level, recording chip 102 work were chosen in expression.Reading and writing end RD, WR on the recording chip 102 is connected with the respective pin of single-chip microcomputer 101 respectively, when the pin that is attached thereto when single-chip microcomputer 101 was low level, expression was carried out from the win the confidence playback operation of breath or toward the recording operation of memory stores information of memory read recording chip 102.

Claims

1, a kind of microcomputerized control metronome with sound-recording function, comprise: the casing that is provided with LCD and key-press input unit, and be arranged on the circuit board that constitutes by single-chip microcomputer, sound driving amplifier and loudspeaker in the casing, it is characterized in that: be connected to recording chip between single-chip microcomputer and the sound driving amplifier, the external microphone of recording chip.