KR970029587A - Voice recording / playback device for supersonic protection - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

A voice recording / reproducing apparatus.

2. The technical problem to be solved by the invention

Provided is a voice recording / reproducing apparatus for supersonic protection, which attempts to protect an unrecorded ultra-low recording immediately after a silent by a silent detection function in a recording mode in a voice recording / reproducing apparatus.

3. Summary of the Solution of the Invention

In the silent recording / reproducing apparatus, an apparatus for recording an ultrasonic sound generated immediately after a silent sound is inputted by an input signal processor for level-controlling and outputting an input signal in a form suitable for storage, and by inputting an output signal of the input signal processor. A silent signal detecting unit for detecting whether there is silence, a digital signal processing unit for converting an output signal of the input signal processing unit into a recording mode for recording and reproducing in a reproducing mode, and outputting the reverse signal in a reproducing mode; A storage medium for recording the output of the digital signal processing unit, a key input unit, and the silent detection voice recording / reproducing apparatus on the basis of the key input unit, and in the recording mode, the silent control when silence is detected by the silent detection unit. A control unit for generating a signal and generating a sound control signal when a super sound is generated; Located between the call processing unit and the storage medium, based on the silent control signal of the control unit for temporarily storing the signal output from the digital signal processing unit, and outputs a supersonic signal temporarily stored by the sound control signal to the storage medium And a memory buffer unit, an output signal processor for inputting the signal of the storage medium by the digital signal processor in a reproducing mode and amplifying the signal to an appropriate size for output, and an output unit for outputting the output of the output signal processor.

4. Important uses of the invention

The voice reproducing / recording device having a silent detection function is implemented to eliminate the elimination of supersonic sound.

Description

Voice recording / playback device for supersonic protection

As this is a public information case, the full text was not included.

3 shows a voice recording / reproducing apparatus for the supersonic protection of the present invention.

Claims (6)

An apparatus for recording a super sound generated immediately after a silence during recording in a silent recording / reproducing apparatus, comprising: input signal processing means for level-controlling and outputting an input signal in a form suitable for storage, and an output of the input signal processing means; Silent detecting means for inputting a signal to detect silence or not, and converting the output signal of the input signal processing means into a recording mode for recording in the recording mode, and inverting the output signal for playback in the reproducing mode. Digital signal processing means. A storage means for recording the output of the digital signal processing means, a key input means, and the silent detection audio recording / reproducing apparatus on the basis of the key input means, wherein the silent detection means When detected, a silent control signal is generated, and when a super sound is generated, the control means generates a sound control signal, and is located between the digital signal processing means and the storage means, based on the silent control signal of the control means. A memory buffer means for temporarily storing a signal output from the digital signal processing means, and outputting an ultrasonic signal temporarily stored by the sound control signal to the storage medium, and transmitting the signal of the storage medium to the digital signal processing means in a reproducing mode. Output signal processing means for inputting and amplifying to an appropriate size for output, and an output of said output signal processing means Audio recording / reproducing apparatus for the protection of the ultrasound consists of an output means for output characteristics. 2. The apparatus of claim 1, wherein an analog / digital converting means for converting an analog signal of the input signal into a digital signal is further located in front of the input signal processing means. The apparatus of claim 1, further comprising digital / analog converting means for converting a digital signal into an analog signal between said output signal processing means and said output means. The digital signal processing means according to claim 1, wherein the digital signal processing means compresses the input signal in the recording mode, and signal compression / extension processing means for extending the input signal in the reproduction mode, and is the recording / reproducing operation correctly performed? Voice recording / reproducing apparatus for the supersonic protection, characterized in that it further comprises an error checking means for examining. In a device for recording a supersonic sound generated immediately after a silence during recording in a silent recording / reproducing apparatus, an analog / digital converting means for digitizing an input signal and an output of the analog / digital converting means in a form suitable for recording. Input signal processing means for level control and outputting, signal compression / extension processing means and error checking means are provided so that the output signal of the input signal processing means is converted into a form for recording by inputting the signal in the recording mode, Digital signal processing means for compressing and outputting, inverting to a form for reproducing in a reproducing mode, extending and outputting a signal, and checking an error of an operation of the reproducing / recording mode, and recording the output of the digital signal processing means; Recording / reproducing apparatus means for driving / reproducing, and a storage medium for recording the output of the recording / reproducing apparatus means. Silence control means for inputting a key input means, an output signal of the input signal processing means to detect whether the sound is silent, and a silent control for generating a silent code when the output of the silence detection means is determined to be silent Means for controlling the silent detection voice recording / reproducing apparatus based on the key input means, generating a silent control signal when the silent code is input in the recording mode, and generating a silent control signal when an initial sound is generated. Located between the control means and the digital signal processing means and the storage medium, based on the silent control signal of the control means for temporarily storing the signal output from the digital signal processing means, and temporarily stored by the sound control signal A memory buffer means for outputting an ultrasonic signal to the storage medium, and a signal of the storage medium in the reproducing mode to the digital signal processing means. Output signal processing means for inputting and amplifying to an appropriate size to output, digital / analog conversion means for analogizing and outputting the output of the output signal processing means, and output means for outputting the digital signal. Audio recording / playback device for supersonic protection. 6. The method of claim 5, wherein the control means delays the output of the input signal by controlling the digital signal processing means while outputting the temporarily stored signal from the memory buffer means to the storage medium when the sound control signal is generated. Audio recording / playback device for supersonic protection. ※ Note: The disclosure is based on the initial application.