JPH05189942A - Digital recorder sound monitoring device - Google Patents

Abstract

PURPOSE:To perform the automatic monitoring of a sound recording state and to trace the secular change of a digital recorder by fetching the comparison information of a bit error and the input/output sound signal of the digital recorder at the time of digital recording. CONSTITUTION:The sound signal to be recorded is outputted from a sound console 1 to the digital recorder 2 and an interface box 7. The digital recorder 2 performs the PCM recording of the sound signal, and outputs recording sound AUD to the interface box 7. An automatic voice monitoring device 3 compares the sound signal from the sound console 1 with a recorded sound signal from the digital recorder 2, and automatically records the comparison information. Also, the monitoring device 3 detects the bit error due to a tape recording system, and records all the detection results. Therefore, when difference is present between the input and output sound signals of the digital recorder 2, an alarm is issued to a personal system, and also, the secular change of the recorder 2 can be recognized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital recorder voice monitoring device for automatically monitoring the voice recording state of a digital recording in a broadcast program or a concert.

SUMMARY OF THE INVENTION A digital recorder voice monitoring apparatus according to the present invention is an input / output device for catching a bit error or a fault of a digital recorder due to a tape recording method in voice recording of the digital recorder. By automatically recording the comparison information of the audio signals and issuing an alarm to the human system when there is a problem in the program, the monitoring work at the time of digital recording is automated, and at the same time, the aging deterioration of the digital recorder is tracked. It is intended to predict the occurrence of failures and prevent them.

[0003]

2. Description of the Related Art Generally, in a digital recorder, normal recording cannot be performed if the recording tape has scratches or creases or fingerprints are attached. For this reason, in the conventional digital recorder, an operator performs complete monitoring with headphones or the like during digital recording.

[0004]

However, such a conventional recording voice monitoring system for a digital recorder requires manpower and is apt to miss a momentary bit error. There was a problem with poor reliability.

The present invention has been made in view of the above-mentioned conventional problems. A computer is used to capture bit error during digital recording and comparison information of input / output voice signals of the digital recorder to obtain digital recording. By eliminating the need for human monitoring work at the time, and by recording all minor errors that do not directly affect the program, it is possible to track the aging deterioration of the digital recorder and predict the occurrence of failures. It is an object of the present invention to provide a digital recorder voice monitoring device capable of preventing the above-mentioned problems.

[0006]

DISCLOSURE OF THE INVENTION A digital recorder voice monitoring apparatus of the present invention comprises a comparing means for comparing input / output voice signals of a digital recorder and a bit error detecting means for detecting a bit error due to a tape recording system. And an informing means for informing an error occurrence when the start-up control means of the digital recorder and the comparing means detect a discrepancy in the audio input / output signals, or when the bit error detecting means detects a bit error, and the bit error. The recording means records all the error information detected by the detecting means.

[0007]

In the digital recorder voice monitoring apparatus of the present invention, the recording start-up control means controls the recording of the digital recorder, and the comparing means compares the input and output voice signals of the digital recorder to discriminate the input and output voice signals. To monitor for recording audio problems. Further, the bit error detection means monitors the presence or absence of bit errors due to the tape recording method.

When the comparing means detects a fault in the recorded sound or the bit error detecting means detects a bit error in the tape, the announcing means informs the human of the occurrence of the error so that the digital recording is automatically performed. By monitoring and notifying people when a failure occurs, correct digital recording can always be performed.

Further, the recording means records all the bit errors detected by the bit error detecting means to minor ones which do not cause any trouble in the program so that the degree of aging deterioration of the digital recorder can be grasped. And make it available as information for conducting planned inspections and overhauls.

[0010]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a functional block diagram of an embodiment of the present invention. A voice console 1 for outputting a voice to be recorded, a digital recorder 2 for inputting a voice signal from the voice console 1 and performing PCM digital recording, An automatic voice monitoring device 3 for automatically monitoring the digital recording state of the digital recorder 2 by a program processing of a computer, and for notifying the human system of the occurrence of the fault when the automatic voice monitoring device 3 detects the occurrence of the digital recording fault. Display 5 and voice device 6, a numeric keyboard 6 for input operation to the voice monitoring device 3, an interface box 7 for interfacing the digital recorder 2 and the automatic voice monitoring device 3, and a digital audio as a spare digital recorder. It is composed of a tape recorder 8. Further, the interface box 7 is provided with time information 9 from a rubidium atomic clock.

The automatic voice monitoring device 3 and the interface box 7 are connected by expansion buses 10 and 11.

Next, the operation of the voice recorder of the digital recorder having the above construction will be described.

A voice signal to be recorded is output from the voice console 1 to the digital recorder 2 and the interface box 7.

The digital recorder 2 PCM-records this voice signal and outputs the recorded voice (AUD) to the interface box 7 (AUD OUT).

In the automatic voice monitoring device 3, a voice signal from the voice console 1 and a voice signal (AUD OUT) from the digital recorder 2 which are input via the interface box 7.
In this comparison, since there is a delay of about 520 msec between the direct input from the voice desk 1 and the input from the digital recorder 2, after being synchronized by the program processing of the computer, Compare signals.

In the automatic voice monitoring device 3, the mute, hold, and interpolation error information of the digital recorder 2 are fetched from the LED display section (not shown) of the digital recorder 2 via the interface box 7, A bit error caused by the tape recording method is detected, information is collected, and the result is recorded by the automatic voice monitoring device 3
I will remember it.

In this case, the time information (BCD code information) 9 is taken in by the rubidium atomic clock, and the automatic start (REC STOP) of the digital recorder 2 is performed by the parallel remote of the recorder 2 by this time information 9. (Not shown).

Further, a time code (TC) in SMPTE format is created from the time information 9 and is input to the time code input of the digital recorder 2, and the same time code (TC OUT) as real time is recorded at the time of recording. Thus, the time when the voice recording is abnormal can be immediately located by the digital recorder 2.

If a discrepancy occurs or a mute error occurs as a result of the comparison of the voice input / output signals of the digital recorder 2 described above, the display 4 and the voice device 5 display and voice the human system. Automatically notify the alarm.

It should be noted that all the error information is registered and accumulated in the file of the automatic audio monitoring device 3, even if the error information is slight such that it does not cause any trouble in the program. In this way, by tracking the error occurrence record of the automatic voice monitoring device 3, it is possible to catch the aged deterioration of the digital recording device 2 so that the inspection and overhaul of the digital recording device 2 can be carried out systematically. Become.

[0022]

As described above, according to the present invention, the recording condition of the digital recorder is automatically monitored, and the bit error of the recording tape is automatically detected.
It is not necessary for a human to monitor the recording state by concentrating on nerves during digital recording as in the conventional case, and it is possible to save manpower and improve the reliability of error checking of digital recording.

Further, since all the minor errors that do not directly affect the program are recorded, it is possible to track the deterioration of the digital recorder over time, which makes it possible to check the digital recorder during inspection. And overhaul can be carried out systematically.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention.

[Explanation of symbols]

 1 voice desk 2 digital recorder 3 automatic voice monitoring device 4 display 5 voice device 6 numeric keyboard 7 interface box 8 digital audio tape recorder 9 time information

Claims (1)

[Claims] 1. A comparing means for comparing input / output audio signals of a digital recorder, a bit error detecting means for detecting a bit error due to a tape recording system, and the comparing means for detecting a discrepancy between the audio input / output signals. Time, or a digital recorder voice monitor comprising notifying means for notifying an error occurrence when the bit error detecting means detects a bit error, and recording means for recording all error information detected by the bit error detecting means apparatus.