JPS5956270A - Reproducing device of accompanying music - Google Patents

Abstract

PURPOSE:To prevent reproduced sounds from being outputted as a noise when a program signal, a timing signal, etc. are reproduced, by providing a sound output control switch in a sound output circuit and setting the sound output permission state only during reproducing of an accompanying music on a basis of the end time of the accompanying music, which is discriminated by the comparison between a clock signal outputted from a magnetic tape reproducing mechanism part and synchronized with the tape speed and the length code of the music, or the detection of the state, where no signals are reproduced continuously for a certain time, due to reproducing of a no-signal recording part provided just after an accompanying music recording part. CONSTITUTION:The sound output from a speaker 5 is limited by an ON-OFF switch 6 provided on a sound output signal line 4, and the switch 6 connects the signal line 4 to output the accompanying music and a singing voice, which is inputted from a timer 15, from the speaker 5 only during reproducing of an accompanying music signal 206. Consequently, when a program signal recording part 203 and a timing signal recording part 204 are reproduced, the reproduced signal is inputted to a minicomputer 10 but is prevented from being outputted from the speaker. Thus, reproduced sounds of the program signal and the timing signal are prevented from being outputted as a noise from the speaker.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a playback device that reproduces and outputs an accompaniment piece and an input singing voice, and in particular, a display that visually displays the performance position currently being played as the accompaniment piece is played. The present invention relates to a playback device fft (commonly known as a karaoke device) equipped with means.

Conventionally, when singing using a karaoke device, there has often been a tendency for discrepancies in the progress of the accompaniment song and the singer's song. In order to solve this drawback, we developed an accompaniment playback device R (Japanese Patent Application No. 115220/1983) equipped with a visual aid that displays timing marks indicating the lyrics and the current position of the accompaniment on a display device. Specification) was proposed first.

However, in the timing mark display type karaoke device button proposed earlier, when the program data for displaying the lyrics and the timing signal data are recorded on the same track of the magnetic tape, the playback sound during playback is was played on the KFT along with the accompaniment music, creating noise.

SUMMARY OF THE INVENTION An object of the present invention is to provide an accompaniment music playback device that records and plays back the program data, timing signal data, etc. on the same track on which the accompaniment music is recorded. The present invention provides a novel means for preventing reproduced sound from being output as noise.

For this purpose, the present invention provides a button-based accompaniment playback device (also called a timing mark display type karaoke device).

A playback device that reproduces and outputs an accompaniment piece recorded on a magnetic tape and also outputs audio input from a microphone, and a program that displays an image of an accompaniment piece, lyrics and timing marks corresponding to the accompaniment piece. It plays back a magnetic tape on which signals and timing signals for determining the playback position of an accompaniment piece, the length of a song, the tempo of a song, etc. are recorded in advance on the same track, and also uses a clock signal generator synchronized with the Deso speed. Equipped with magnetic tape playback means.

Furthermore, it outputs accompaniment music and human voice, and the program signal 1c
M is provided with reproduction signal processing means for displaying lyrics and timing marks of the accompaniment music on a video display surface, video display means with a video display surface, and the like. Based on this configuration, various recorded signals recorded on the same track of the magnetic tape are reproduced by the magnetic tape reproducing means, and an accompaniment piece is reproduced.

A program signal for displaying lyrics corresponding to an accompaniment song on a video display screen, a playback position of the accompaniment song, and the length of the song.

Timing signals and the like for determining the tempo and the like of a song are input to the reproduced signal processing means together with the clock signal output from the clock signal generating section. As a result, based on the output signal from the signal processing means, the lyrics are displayed in letters on the video display surface of the video display means, and the accompaniment 1v? Among the characters that appear in the lyrics as P is played.

The character part corresponding to the accompaniment piece currently being played is indicated moment by moment by displaying timing marks (light dots, special marks, etc.). Here, as a characteristic component of the apparatus of the present invention, an audio output control switch is provided in the audio output circuit, and the switch is installed immediately before the program for displaying lyrics and timing marks is reproduced from the magnetic tape, and immediately after the reproduction of each accompaniment piece is finished. (determined from the clock signal and song length data), the audio playback output function is stopped, and the audio playback output function is restored by detecting a timing signal provided immediately before the start of each accompaniment song. By setting it so that it can be output, the signal playback sound may be heard as a shoe sound when playing the timing signal, etc. recorded during the program data for displaying lyrics and timing marks or just before the start of playback of each accompaniment song. Audio output 1. This is to prevent it from happening.

According to the accompaniment music reproducing apparatus of the present invention, K when reproducing the display program signal and timing signal recorded on the same track as the accompaniment music on the magnetic tape.

It is possible to prevent the reproduced signal from becoming a treble sound and being output as audio.

Next, one embodiment of the present invention will be described in detail using the drawings.

The embodiment is an example of an apparatus in which a magnetic deso is used for signal recording, a magnetic tape recorder is used as the signal reproducing means, and a personal converter and a CRT receiver are used as the reproduced signal processing means and display means. . FIG. 1 is a functional block diagram of an accompaniment playback device (karaoke device) according to the present invention. In Fig. 1, numeral 1 denotes a magnetic tape reproducing mechanism section, which plays programs and signals for the computer recorded on the magnetic tape.

A timing signal that encodes the start of an accompaniment song, the tempo of one song, and the accompaniment song for a song is output as a playback signal 2, and a pulse generator (arp A clock signal 11 synchronized with the traveling speed of the team is outputted by means of an output signal from a rotary encoder connected directly to the driving capstan. 3 is playback.

The output circuit section amplifies and outputs the reproduced signal 2 and clock fit number 11, plays the accompaniment song from the speaker 5 via the audio output signal line 4, and also inputs from the microphone 15 the sound number 1 and the singer's note 8+. is amplified and output, and the singing voice is superimposed on the accompaniment music and output from the sous beaker 5.

Here, a signal line is connected (O
An ON-OFF switch 6 is provided, which connects or disconnects the audio output signal line 4 under the control of a switch control signal 7 to turn the audio output on and off. (The fJ raw/output circuit section 3 further outputs the RACK signal 11, the regenerated Brograno signal 8 and the timing signal 9 as the P11 signal 2, and inputs them to the small converter 10. Program signal 8t
It controls the operation of the small computer 10, and when the lyrics of the song corresponding to the accompaniment piece are displayed as a character pattern on the video display screen of the CI'LT receiver 12, the small computer 10, and a video pattern of timing marks (light dots in the embodiment) that displays the progress status of the accompaniment piece is displayed moment by moment to indicate the text part of the lyrics corresponding to the accompaniment piece that is being played. The video signal 13 of is output from the small computer 10. In addition, as the 0N-OFF switch 6,
Even when the switch is in the OFF state, it is possible that the user prefers to listen to the reproduced sound with some degree of attenuation, so a switch that provides attenuation of several dB to 10-odd dll may be used. In this specification, this disconnection state is defined as one in which the amount of attenuation has an arbitrary value from several dB to infinity.

Here, match the character instructions displayed on the timing marks that indicate the progress state of the accompaniment piece with the progress state of the accompaniment piece.Z
), and for this purpose, immediately before the accompaniment music signal recorded on the magnetic tape, the start code and tempo code set as the timing signal 9 are recorded and provided, and the length code of the 1st song is recorded immediately before the accompaniment music signal is played. Then, the start code signal is reproduced from the magnetic tape and inputted to the combo box 10.

The computer 10 is controlled by a program that takes into consideration the time width from the input of the start code signal (to the start of the song corresponding to 1'g3 songs), and at the same time a clock signal synchronized with the playback speed of the accompaniment song. When 11 is input, the progress state of Shichiyoruru and Banshunkyoku is matched with the character instruction indicated by the timing mark indicating the progress state.Also, with the 14 number voice output control signal,
The signal is inputted from the computer 10 to the reproduction/output circuit section 3, amplified, and inputted to the ON-OFF switch 6 as a switch control signal 7.

Next, FIG. 2 is a conceptual diagram consisting of a signal configuration diagram (,) on the magnetic tape used in the apparatus of the present invention and a state diagram (h) showing the operating state of the ON-OFF switch 6.

(,) In the figure, 201 is a magnetic tape, 202 is a magnetic head for reproducing a group of signals recorded on the magnetic tape 201, and a magnetic tape reproducing mechanism unit IK is provided. 203 is a recording portion of the program signal 8;

204 is a recording portion of the timing signal 9, which includes a start code, tempo code, song length code, etc. Reference numeral 205 indicates a no-signal portion, 206 indicates a recording portion of an accompaniment music signal, and arrow 207 indicates the running direction of the magnetic tape 201. (+)) The figure shows the operating state of the 0N-OFF switch 6.
This indicates the F state, in which the audio output signal line 4 is disconnected and audio output is interrupted. The NO level 209 indicates the ON state of the switch 6, and the audio output signal line 4 is connected to enable audio output. When operating this device, first, the switch 6 is set to the OFF state 208ff.
0K, the program signal recording section 203 is detected by the magnetic head 2.
After passing through the no-signal portion 205, the start code signal and tempo code signal set as the timing signal 9 from the timing (F) recording portion 204 are reproduced. When input to the computer 10, the audio output control signal 1
4 and the switch control signal 7, the switch 6 is turned on, the audio output signal line 4 is connected, and audio output is possible. Ru.

Next, there is a means for determining the end time of an accompaniment piece by counting the clock signal 11 outputted in accordance with the running speed of the tape and comparing it with data inputted as a length code of one piece, and a means for determining the end time of an accompaniment piece, and a means for determining the end time of an accompaniment piece by counting the clock signal 11 outputted in accordance with the running speed of the tape. No-signal portion 20 where
When the end of the accompaniment piece is detected by the means for determining the end time of the accompaniment piece by the detection of step 5, the switch control signal 7 is outputted from the playback/output circuit section 3 and the switch control signal 7 is outputted from the playback/output circuit section 3.
The switch 6 enters the OFF state 20B and maintains that state. Next, when Sen's 1st song is selected again and the timing signal recording section 204 detects it, the switch 6 is turned ON again! 2 (set to be 19, that is;), accompaniment music signal recording part 2
This setting is made so that audio output is possible only while 06 is being played back.

The various signals (program signals, timing signals, accompaniment music signals, etc.) shown in FIG. 1 and FIG. ) is pre-recorded on a cold magnetic tape, and the magnetic tape is inserted into the playback machine holder 1 and the playback is driven (~.

Output as reproduction signal 2. Among the signals reproduced as the reproduction signal 2, the program signal 8 is inputted to the small computer 10IC, and control based on the program signal 8 of the small computer 10 is started, and the image display screen of the CRT receiver 12 is displayed as follows:1. A group of characters representing the lyrics corresponding to the accompaniment music to be played are displayed. Next, when the r1tsk signal 11, the start code set as the timing signal 9, the tempo code, and the length code of the song are inputted into the combination, the progress level of the accompaniment piece and the accompaniment piece's progress are determined. Display of the timing mark that shows the current performance position Adjustment control (time width 11, etc.) to match the progress of the mink and the accompaniment piece is performed by the computer 1.
01C, and the state waits for the accompaniment piece to start playing.

Subsequently, the reproduction of the accompaniment music begins as the reproduction signal 2, and at the same time the speaker 5 also starts outputting the accompaniment music, under the control of the combination TV 10, the CIt and T receivers 12
The light points set as the timing marks mentioned above are displayed moment by moment on the same video display screen while maintaining the positional relationship that indicates each of the previous +111 letter patterns displayed on the video display screen. - Here, 0N-OFF' provided on the audio output signal line 4
The switch 6 limits the output of the t'f voice from the speaker 5, and the switch 6 only outputs the t'f signal while the accompaniment signal 206 is being played back. %! 4 is connected, and the accompaniment music and the singing voice input from the microphone 15 are output from the speaker 5. Therefore, when the program signal recording section 203 and the timing signal recording section 204 are reproduced, the reproduction signal is input to the small computer 10, but the reproduction sound is prevented from being output from the speaker.

Note that in this embodiment, a means for counting the clock signal 11 output from the magnetic tape reproducing mechanism section 1 is used as a means for generating the audio output stop signal of the switch control signal 7 for controlling the audio output. It is also possible to provide a termination signal recording section immediately after the section and generate the audio output stop signal using the reproduced signal. At this time, the end signal recording part was recorded incorrectly (the Ft number was written as a signal component included in the accompaniment music signal)! Set to not create 1 file (
Frequency, etc.) Naturally, it is very busy.

Further, as a means for determining the end time of the accompaniment song, a timing signal 2 (
)4 Measure the elapsed time (set for each song) after detection (-
It is also possible to determine the end of the accompaniment piece based on one hour.

According to the present invention, when a magnetic tape on which a program signal and a timing signal are recorded on the same magnetic tape track on which an accompaniment song is recorded is set in this apparatus and operated,
The output of the playback sound of the program signal and timing signal is blocked when the audio output line is disconnected, and the audio output line is connected only when playing the accompaniment song and only the accompaniment song is played. This prevents the reproduced sound from becoming noise and being output from the speaker.

[Brief explanation of the drawing]

Fig. 1(t) is a functional block diagram of the accompaniment playback device according to the present invention, and Fig. 2 is a signal configuration diagram (a) on the magnetic tape used by the device of the present invention, and the operating state of the αN-0FF switch 6. It is figure (b). In the figure, 1 is a magnetic tape playback mechanism, 2 is a playback signal, 11 is a clock signal, 3 is a playback output circuit, 4 is an audio output signal line, 5 is a speaker, 6 is ON
-OFF switch. 15 is a microphone, 7 is a switch control signal, 8-digit program signal, 9-digit timing signal, 10 is a small converter, 12 is a C-T receiver, 13 is a video signal, 14 is an audio output control signal, 201 is a magnetic tape, 202 is a magnetic head, 203 is a program signal recording section, and 204 is a timing signal recording section.

Claims (1)

[Scope of Claims] A magnetic tape playback mechanism unit that plays back and outputs accompaniment music, program signals, timing signals, etc. recorded on magnetic tape, and outputs the reproduced accompaniment music signals and audio signals input from a microphone from a speaker. Under the control of the playback output means, the playback output means, and the playback input program signal and timing signal, the video display section is set to display the lyrics and a timing mark indicating the current performance position of the accompaniment piece. An accompaniment music reproducing apparatus is provided with an audio output control switch in an audio output circuit, and in an audio output stop state with the switch turned off, the accompaniment music reproducing apparatus is equipped with Start playing the magnetic tape, play back the program signal provided at the beginning of the magnetic tape, and also the start code and song length code provided just before the accompaniment song. Immediately after the timing signal Nr containing the tempo code of the song is generated, the switch is turned on to enable audio output, and the accompaniment song is played back.2 A clock synchronized with the tape speed output from the magnetic tape playback mechanism section. The end time of the accompaniment piece determined by comparing the signal with the length code in the direction, or the reproduction of the no-signal recording portion that was busy immediately after the accompaniment piece record sickle portion. By detecting that no-signal playback continues for a certain period of time, the switch is turned off and the audio output is enabled.
An accompaniment music playback device characterized in that the accompaniment music playback device is set to be in a state where audio output is enabled only while the accompaniment music is being played.