KR0138303B1 - Karaoke apparatus having recording control function of a tape recorder - Google Patents

Abstract

Disclosed is a video song accompaniment apparatus having a function of controlling the start and end of recording of a tape recorder automatically in accordance with the start and end of a song.

The video song accompaniment apparatus according to the present invention detects a signal indicating the start and end of a song from accompaniment data stored in the accompaniment data memory, and starts and ends recording of the tape recorder in response to the detected start and end signals. A control unit for generating a control signal to convert the recording control signal generated by the control unit into a recording control signal recognizable by a tape recorder; And a transmission unit which transmits the recording control signal generated by the signal conversion unit to the tape recorder.

The video song accompaniment apparatus according to the present invention has an advantage that the tape recorder automatically starts and ends recording in accordance with a song start and end point, thereby reducing the inconvenience of manually manipulating as in the prior art.

Description

Video song accompaniment with recording control of tape recorder

1 is a block diagram showing an image song accompaniment apparatus according to the present invention.

2 is a diagram showing an example of operating the apparatus shown in FIG. 1 together with a tape recorder.

3 is a diagram showing a data format of a channel message among MIDI data.

4 is a diagram showing accompaniment data stored in the accompaniment data memory shown in FIG.

5 is a flowchart showing a recording control operation performed by the controller shown in FIG.

The present invention relates to a video song accompaniment device, and more particularly, to a video song accompaniment device having a function of controlling the start and end of recording of a tape recorder automatically in response to a song start and end.

The video song accompaniment device, also known as a karaoke appratus, is a device that allows a user to enjoy a song according to the song accompaniment signal while viewing the displayed song lyrics along with the song accompaniment signal.

Recently, some businesses have provided a service for providing a tape recording of a user's song. These services not only provide entertainment to revive the joyful memories of colleagues, but also provide the effect of checking their singing skills and pros and cons by listening to their songs again.

However, in order to provide such a recording service through a conventional video song accompaniment device, there is a problem in that the tape recorder can only be manually operated at each start and end of the song.

Accordingly, an object of the present invention is to provide a video song accompaniment apparatus having a function of automatically controlling the recording operation of a tape recorder in accordance with the beginning and end of a song.

The video song accompaniment apparatus according to the present invention to achieve the above object is accompaniment data memory for storing accompaniment data according to the MIDI (MIDI: Musical Instrument Digital Interface) standard, lyrics data memory for storing lyrics data, accompaniment based on accompaniment data A video accompaniment apparatus comprising a accompaniment signal generator for generating a signal, a lyrics signal generator for generating a video signal based on lyrics data, and a controller for controlling an operation of generating a lyrics signal together with reproduction of the accompaniment signal, wherein The control unit detects a signal indicating the start and end of the song from the accompaniment data stored in the accompaniment data memory, and generates a control signal for starting and ending the recording of the tape recorder in response to the detected start and end signals. The recording control signal generated by the controller can recognize the tape recorder Signal converting unit for converting a sound control signal; And a transmission unit which transmits the recording control signal generated by the signal conversion unit to a tape recorder. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an image song accompaniment apparatus according to the present invention. In the apparatus shown in FIG. 1, reference numeral 10 denotes an accompaniment data memory for storing accompaniment data of a plurality of musical instruments according to a MIDI standard, 12 is a lyrics data memory, and 14 is a bit map font. Is a video memory for converting and storing the video signal as a video signal, and 16 is a font ROM for storing bitmap fonts corresponding to lyrics data.

Reference numeral 18 denotes a background image generator for generating a background image, and 20 denotes a first image signal representing a lyrics signal generated in the video memory 16 and a second image signal generated in the background image generator 18. To be output to the monitor 22.

Reference numeral 24 denotes an accompaniment signal generator for generating accompaniment signals based on accompaniment data of each instrument, and reference numeral 26 denotes an accompaniment signal generated by the accompaniment signal generator 24 and a voice signal of a mantissa introduced through the microphone 28. A voice synthesizer which synthesizes and outputs the speaker 30 and the voice output terminal 31.

Reference numeral 32 is a control unit that reads and provides accompaniment data stored in the accompaniment data memory 10 to the accompaniment signal generator 24, and controls the lyrics data memory 12 and the video memory 14 to display lyrics data. The operation is controlled, and a recording control signal of the tape recorder is generated.

Reference numeral 34 is a command input unit for inputting a song number or specifying other control operations.

Reference numeral 36 is a signal conversion unit for converting the recording control signal generated by the control unit into a recording control signal that can be recognized by the tape recorder, and 38 is a recording control signal generated by the signal conversion unit as a tape recorder (not shown). Transmitter to transmit.

The signal converter 36 and the transmitter 38 generate a signal for controlling the recording operation of the tape recorder as in a conventional remote controller, and convert it into an infrared signal.

2 is a block diagram showing an example in which the apparatus shown in FIG. 1 is connected to a tape recorder and operated. In Fig. 2, reference numeral 50 denotes a video song accompaniment device according to the present invention, 60 denotes a tape recorder, 70 denotes a connecting line, and 80 denotes a monitor. The output of the video song accommodating device is displayed via the monitor 80 and is also provided to the tape recorder via the connection line 70. The tape recorder 60 receives a control command through the control button 62 and the remote control receiving window 64.

The recording control signal generated by the video song accommodating device 50 is output through the light emitting window 40, received through the remote control receiving window 64, and decoded and executed by a controller (not shown) inside the tape recorder.

Accompaniment data consists of MIDI data, and the format of the MIDI data is shown in (Table 1).

The MIDI signal is composed of one byte of status bytes and at least one byte of data. MIDI signals are divided into channel messages, system messages, and meta events (not shown in Table 1) according to the status byte, and channel messages are divided into voice messages and mode messages. It is divided into sieve message, common message and real-time message. The meta event is a message set at the convenience of the manufacturer of a device using MIDI data and is used for transmitting various data not specified by the MIDI standard.

The channel message indicates which instrument (channel) produces or stops at what pitch and how strong or weak.

2 shows the data format of channel messages among the media data. In FIG. 2, the channel message 200 has note on / off data 200a, channel data 200b, note number data 200c, and velocity data 200c.

The note on / off data 200a is a signal that controls turning on or off a specific sound of the instrument specified by the channel data and note number data that appear later.

The channel data 200b determines the timbre of the accompaniment signal generated by the accompaniment signal generator 24 as data for determining the type of musical instrument.

The accompaniment signal generator 24 is composed of a synthesizer and the like and has a processing capacity of 16 to 32 channels, that is, the ability to play 16 to 32 musical instruments.

The note-on data 200c indicates the pitch of the musical instrument specified by the channel data 200b, and the velocity data 200d determines at what intensity the designated pitch should be generated.

4 is a diagram illustrating accompaniment data stored in the accompaniment data memory of FIG. In Fig. 4, reference numeral 40 is a start message indicating the start of accompaniment, 42 is a system clock, 44 is a note-on message, and 46 is a stop message.

The system clock 42 is a byte signal having F8 in hexadecimal as shown in Table 1.

The period of the system clock can be known by meta events rather than channel messages or system messages. The meta event starts with a byte signal of hexadecimal FF and the tick time of the system clock is expressed in microseconds (vs).

The start signal 40 is a byte signal having a hexadecimal FA, as shown in Table 1, and the stop signal 46 is a byte signal having an FC.

5 is a flowchart showing a recording control signal generation operation performed by the control unit shown in FIG. First, the control unit 32 first reads the accompaniment of the song program stored in the accompaniment data memory 10 to generate an accompaniment signal or display lyrics characters.

Detect the beginning of a song. The start of a song can be detected by detecting a start signal (step 510).

When the song starts, a control signal for instructing to start recording is generated.

Since the accompaniment signal is generated, the tape recorder records the signal output from the video song accompaniment device (step 525).

Detect song end point. The end of the song can be known by detecting the stop signal (step 530).

At the end of the song, a control signal indicating the end of recording is generated.

After that, recording to the tape recorder is stopped.

As described above, the video song accompaniment apparatus according to the present invention has an advantage that the tape recorder automatically starts and ends recording at the beginning and end of the song, thereby reducing the inconvenience of manual operation as in the prior art.

Claims (1)

Accompaniment data memory for accompaniment data according to MIDI standards, lyrics data memory for storing lyrics data, accompaniment signal generator for generating accompaniment signals based on accompaniment data, lyrics signal generator for generating video signals based on lyrics data, and In the video song accompaniment apparatus including a control unit for controlling the operation of generating the lyrics signal in addition to the reproduction of the accompaniment signal, the control unit detects a signal indicating the start and end of the song from the accompaniment data stored in the accompaniment data memory And generating a control signal for starting and ending the recording of the tape recorder in response to the detected start and end signals, and converting the recording control signal generated by the controller into a recording control signal recognizable by the tape recorder. Tape recording control signal generated by the converter and the signal converter Video song accompaniment device, comprising a transmitter for transmitting to the coder, characterized in that the control of the recording start and end of a tape recorder according to the song start and stop times.