KR960016672B1 - Apparatus for regulating separately audio volume and treble/bass of r.l channel in audio system - Google Patents

Abstract

a remocon(30) outputting an individual volume control signal and an individual audio amplitude control signal in a remote control; a remote control signal receiving part(31) receiving the remote control individual volume control signal and the remote control individual audio amplitude control signal; a key input part(32) for the key input of the individual volume control signal and the individual audio amplitude control signal; and a micom(33) outputting a control signal for the individual volume control and the individual audio amplitude control of an R channel and an L channel.

Description

Individual voice control device for sound equipment

1 is a block diagram showing an individual voice control device for an acoustic device according to an embodiment of the present invention;

FIG. 2 (a) is a schematic perspective view showing an example of a remote controller for remotely controlling the voice and pitch individual adjustment operations shown in FIG.

FIG. 2 (b) is a schematic perspective view showing an example of a key input unit for keying in the voice and pitch individual adjustment operations shown in FIG.

* Explanation of symbols for main parts of the drawings

10: reception antenna 11: tuner

12: high frequency amplifier 13: intermediate frequency amplifier

14: FM detector 15: audio information reading means

16: equalization amplifier 17: voice detector

18: voice signal processing unit 19: mode selection switch

20: composite signal amplifier 21: signal separation unit

22: separation degree control unit 23, 24: DM Emphasis unit

25: equalizer 26: R channel amplifier

27: L channel amplifier 28: R channel speaker

29: L-channel speaker 30: Remote control

31: remote signal receiver 32: key input unit

33: microcomputer 34: volume control unit

The present invention relates to an individual voice control device of an audio device, and more particularly, so that the volume and the height of the audio signal output through the R and L channel speakers of the audio device are individually adjusted in the R channel and the L channel. The present invention relates to a sound individual control device for an acoustic device.

In general, in the volume control device of the sound equipment, the variable resistor is variably adjusted through the control of a control unit that receives a function input signal by operating a volume up / down control button provided in the remote controller or the main body of the device. The audio signal from the predetermined audio signal processing means is amplified by the predetermined amplifying means by the divided voltage to the power supply voltage divided by the variable resistor, and amplified by the power. It is.

However, in the volume control device of such sound equipment, the volume control of the R and L channels is made at the same level during the volume control, so that the desired sound field effect cannot be expected when the listener is watching in a position biased to one side. If the volume is adjusted up to obtain such sound field effect, excessive volume is output from both the R and L channel speakers, which may not only cause discomfort to the surrounding people, but also cause treble and Since the R and L channels are adjusted to the same level as the bass, the listening operation of various sounds cannot be performed properly.

The present invention has been made to solve the above-mentioned disadvantages, and the volume and height of the audio signal output from the audio device are individually adjusted in the R-channel speaker and L-channel speaker, respectively, to adjust the audio output of the audio device The purpose is to provide.

According to a preferred embodiment of the present invention for achieving the above object, a radio broadcast signal of a predetermined channel to be tuned to the receiving antenna is tuned through a tuner and the high frequency amplification, intermediate frequency amplification and FM detection through a radio broadcast signal processing means. On the other hand, the audio information recorded on the predetermined audio information recording medium is read out through the audio information reading means, equalized and amplified by the audio signal processing means, detected by the voice signal, and processed by the mode selection switch. The mode is selectively switched to amplify the radio broadcasting signal or the audio signal according to the audio information in the form of a composite signal through the composite signal amplification unit, and is separated into the R channel and the L channel in the signal separation unit, and the separation degree is adjusted through the separation control unit. On the equalizer, the pitch is adjusted and the volume is adjusted. Is the volume is adjusted in the power amplification section and standing over R-channel and L-channel amplifier sections in the acoustic apparatus is the sound output through the R-channel and L-channel speakers; A remote controller for remotely outputting an individual volume control signal and an individual volume control signal for allowing the volume and the pitch of the radio broadcast signal or the audio signal read out from a predetermined audio information recording medium to be individually controlled in the R channel and the L channel; And a remote signal receiver for receiving a remote individual volume control signal and a remote individual volume control signal from the remote controller, and keying the individual volume control signal and the individual volume control signal by key operation of a matrix button provided in the control panel of the television. A key input unit for input and a microcomputer that receives and recognizes the individual volume control signal and the individual volume control signal from the remote control and the key input, and outputs the control volume for individual volume control and volume control of the R and L channels It is comprised; When the volume control unit receives a control signal for individually adjusting the volume of the R channel or the L channel from the microcomputer, the volume control operation is performed such that the volume of the R channel or the L channel is raised or lowered individually. When receiving a control signal for adjusting the pitch of the R channel or the L channel from the microcomputer provides an individual voice control device of the sound device for adjusting the pitch so that the pitch of the R channel or L channel is individually adjusted.

Preferably, the remote control according to the present invention, the R channel volume control key for individually adjusting the volume of the R channel, the L channel volume control key for individually adjusting the volume of the L channel, the individual volume control of the R channel And an R channel height adjustment key for adjusting the pitch of the L channel, and an L channel volume adjustment key for individually adjusting the volume of the L channel. An L channel volume control button for individually adjusting the volume of the channel, an R channel height adjustment button for individually adjusting the pitch of the R channel, and an L channel volume control button for individually adjusting the pitch of the L channel.

In the present invention made as described above, the radio broadcast signal or the predetermined audio information of a predetermined channel through a key input for adjusting the individual volume and pitch of the R and L channels of the key input unit provided in the remote control or the control panel in the sound device The audio signal read out from the recording medium is output to the R channel and the L channel speaker with their volume and pitch individually adjusted.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, FIG. 1 is a block diagram of an individual voice control apparatus for an acoustic apparatus according to an exemplary embodiment of the present invention. In the apparatus of the present invention, reference numeral 11 denotes a multi-channel radio received through the reception antenna 10. A tuner for tuning a radio broadcast signal of a predetermined channel among broadcast signals, 12 is a high frequency amplifier for amplifying a high frequency signal of a predetermined frequency or more, and 13 is amplifying the high frequency amplified radio broadcast signal in the form of an intermediate frequency signal. 14 is an FM detector for changing the amplitude of the FM wave of the intermediate frequency-amplified radio broadcast signal by FM.

Reference numeral 15 denotes audio information reading means for reading audio information recorded on an audio information recording medium such as a cassette audio tape or a compact disc through a reproducing operation such as a magnetic head or an optical head. The equalization amplifier is amplified to amplify the audio signal read out through a predetermined frequency reproduction characteristic based on a predetermined standard reproduction equalization characteristic, 17 is a voice detector for speech detection of the equalized amplifier audio signal, 18 is And a voice signal processor for processing the voice detected audio signal into a signal form capable of outputting the voice signal.

Further, reference numeral 19 is a mode selection switch for selectively switching a radio broadcasting mode for outputting the radio broadcast signal or a recording information reproduction mode for outputting an audio signal read out from a predetermined audio information recording medium, and 20 is the mode. A composite signal amplifier for separating and amplifying the pilot signal and the composite signal of the audio signal through the selection switch 19, 21 is a signal separation unit for separating the amplified composite signal into R and L channels, 22 is a separation control unit for adjusting the separation of the audio signal of the separated R channel and L channel, 23, 24 is a flat frequency by removing the high frequency component of the audio signal of the R channel and L channel of the controlled separation De-emphasis unit for filtering to have a characteristic, 25 is the same as the high and low tone of the audio signal of the R channel and L channel through the deemphasis unit (23, 24) Equalizer for adjusting the pitch, 26, 27 are the R-channel and L-channel amplifier for power amplifying the audio signal of the R, L channel, the pitch is adjusted, respectively, 28, 29 is the power-amplified R-channel and R-channel and L-channel speakers for audio output of L-channel audio signals.

Further, reference numeral 30 denotes a remote controller for outputting a remote function control signal for individually adjusting the volume and the pitch of the audio signals of the R channel and the L channel through a predetermined key input operation. As shown in Fig. 2 (a), a radio mode key for selecting a radio mode, an audio mode key for selecting an audio mode, and an R channel volume control key which is operated up / down to individually adjust the amount of silver of the R channel. 30A, L-channel volume controller 30B for up / down operation to individually adjust the volume of L-channel, R-channel volume controller 30C for up / down operation for individual adjustment of R channel, L-channel L-channel pitch control key (30D) for up / down control of individual pitches, main volume control key for up / down control for overall volume of R, L channels, overall high pitch of R, L channels To adjust A travel control key and a bass control key for adjusting overall bass of the R and L channels are included. 31 is a remote signal for receiving a remote function control signal from the remote controller 30. Receiving unit.

Also, reference numeral 32 denotes a key input unit which is keyed so that the volume and the pitch of the audio signals of the R channel and the L channel are individually adjusted in the R channel and the L channel, respectively, and a radio mode button for selecting a radio mode; , Audio mode button for selecting audio mode, R channel volume control button 32A for up / down operation for individual volume control of R channel, and L for up / down operation for individual volume control for L channel Channel volume control button 32B, R channel volume control button 32C, which is up / down operation to adjust the pitch of R channel individually, L channel volume control button, which is up / down operation to individually control the pitch of L channel, (32D), the main volume control button up / down to adjust the overall volume of the R and L channels, the trackball control button to adjust the overall high tones of the R and L channels, and the overall bass control of the R and L channels. To It is configured to include a base adjustment button.

Further, reference numeral 33 denotes the selection of the radio mode or the audio mode through the remote controller 30 or the key input unit 32, the individual volume control signal of the R channel or the L channel and the individual volume control signal, and the selection of the mode. While controlling the switch 19 to be switched to a radio mode or an audio mode, the volume control unit 34 outputs a control signal for individually adjusting the volume of the R channel or the L channel, and the equalizer ( 25) is a microcomputer for outputting a control signal for individually adjusting the pitch of the R channel or the L channel.

Next, the operation of the present invention made as described above will be described in detail with reference to the accompanying drawings.

First, an audio mode key or a key input unit of a remote controller 30 is used by a user in an audio apparatus capable of listening to radio broadcasting and reading and outputting audio information recorded on an audio information recording medium such as a cassette audio tape or a compact disc. When the audio mode button of 32 is operated, the microcomputer 33 receives and recognizes a function input signal corresponding to the audio mode from the remote controller 30 or the key input unit 32, and the mode selection switch 19 receives the audio. As it is controlled to switch to the mode, an audio signal corresponding to the audio information recorded on the audio information recording medium such as, for example, a cassette audio tape or a compact disc, which is read out from the audio information reading means 15 is outputted by the equalization amplifier 16 Amplified in the form of a flat frequency signal through a predetermined standard reproduction equalization characteristic, and voice detected by the voice detector 17, After the audio signal is processed through the processor 18, it is applied to the composite signal amplifier 20 through the mode selection switch 19 in the switched state to the audio mode.

Meanwhile, the composite signal amplifier 20 separates the pilot signal by amplifying an audio signal in which the composite signal and the pilot signal are mixed, and the signal separator 21 separates the amplified composite signal into the R channel. And an L channel, and the separation control unit 22 adjusts the separation degree of the audio signal separated into the R channel and the L channel, and the D emphasis units 23 and 24 control the separation channel of the R channel. And outputting the high frequency component of the L-channel audio signal to the equalizer 25.

Here, when the R channel volume control key 30A of the remote controller 30 or the R channel volume control button 32A of the key input unit 32 is up-operated, the microcomputer 33 performs the R-channel according to the up operation. In response to the volume control signal being input and recognized and outputting a control signal for increasing the volume of the R channel to the volume control unit 34, the equalizer 25 is applied through the R channel and the L channel amplifying unit ( The volume of the audio signal of the R channel is adjusted up and out of the audio signal of the R channel and the L channel which are amplified through 26 and 27 to be output through the R channel speaker 28.

In addition, when the L channel pitch adjusting key 30D of the remote controller 30 or the L channel pitch adjusting button 32D of the key input unit 32 is down operated, the microcomputer 33 is configured according to the down operation. By receiving and recognizing an L channel pitch adjustment signal, the equalizer 25 outputs a control signal for emphasizing the low pitch of the audio signal of the L channel through the de-emphasis unit 24 to the equalizer 25. The audio signal of the L channel, in which the bass sound is emphasized through 25, is amplified by the L channel amplifier 27 and outputted through the L channel speaker 29.

According to the present invention made as described above, when performing a function control operation for adjusting the individual volume and pitch of the R channel and L channel through the key input unit provided in the remote control or the control panel in the audio device radio broadcasting of a predetermined channel As a signal or an audio signal read out from a predetermined audio information recording medium operates to output audio through the R channel and the L channel speaker with its volume and pitch individually adjusted, the desired sound field regardless of the listener's listening position. Not only is it possible to listen to the sound having an effect, but there is an advantage that more various listening operations can be achieved.

Claims (2)

The radio broadcast signal of a predetermined channel induced in the reception antenna 10 is tuned through the tuner 11, and the high frequency amplification, the intermediate frequency amplification, and FM are detected through the radio broadcast signal processing means 12, 13, and 14, The audio information recorded on the audio information recording medium of < Desc / Clms Page number 12 > is read through the audio information reading means 5, and then amplified, voice detected, and processed by the audio signal processing means 16, 17, 18, and the mode selection switch. 19, the radio mode and the audio mode are selectively switched, and the composite signal amplifier 20 amplifies an audio signal according to a radio broadcast signal or audio information in the form of a composite signal, and then separates the R channel from the signal separator 21. And the L channel is separated and the degree of separation is adjusted through the separation degree adjusting unit 22, and then the pitch is adjusted in the equalizer 25 via the de-emphasis units 23 and 24, and the volume adjusting unit 34 is controlled. The volume is adjusted In an audio device in which power is amplified through the R channel and L channel amplifiers 26 and 27 and outputted through the R channel and L channel speakers 28 and 29, the radio broadcast signal or a predetermined audio information recording medium. A remote controller 30 for remotely outputting an individual volume control signal and an individual volume control signal for allowing the volume and the pitch of the audio signal read out from the R channel and the L channel to be individually controlled, and from the remote controller 30. Key-ining the individual volume control signal and the individual volume control signal by key operation of a remote signal receiver 31 for receiving a remote individual volume control signal and a remote individual volume control signal, and a matrix button provided on the control panel of the television For receiving the individual volume control signals and the individual volume control signals from the remote control unit 30 and the key input unit 32 and receiving the individual volume control signals. It further comprises a microcomputer 30 for outputting a control signal for the volume control and the volume control, the volume control section 34 to individually adjust the volume of the R channel or L channel from the microcomputer 33 When the control signal is inputted, the volume control operation is performed so that the volume of the R channel or the L channel is individually raised or lowered, and the equalizer 25 adjusts the pitch of the R channel or the L channel from the microcomputer 33. When the control signal for receiving the input of the individual sound control device, characterized in that the pitch adjustment operation to adjust the pitch of the R channel or L channel individually. The method of claim 1, wherein the remote controller 30 includes an R channel volume control key 30A for individually adjusting the volume of the R channel, an L channel volume control key 30B for controlling the volume of the L channel, and an R channel. And an R channel height adjustment key 30C for individually adjusting the pitch of the channel, and an L channel height adjustment key 30D for individually adjusting the pitch of the L channel, and the key input unit 32 is an R channel. R channel volume control button 32A for individually adjusting the volume of the channel, L channel volume control button 32B for individually adjusting the volume of the L channel, R channel volume control button for individually adjusting the volume of the R channel ( 32C), and L-channel pitch control button (32D) for individually adjusting the pitch of the L channel, the individual voice control device of the sound equipment, characterized in that configured.