JP4602301B2 - TV receiver - Google Patents

Description

  The present invention relates to a television receiver that allows a plurality of users to view the sound of a program divided and displayed on multiple screens with headphones and to input the user's sound with a microphone.

  With the advancement of technology related to television receivers, the screen size has been increasing. As the screen size is increased in this way, the environment for viewing television programs on television receivers is also changing greatly. In such a changing viewing environment, for example, a single TV is shared by a large number of people, and resources such as TV are being effectively used.

  Here, a television receiver capable of viewing two different videos from the left and right directions, for example, has been developed so that a plurality of users can view it. Here, when viewing the respective images by dividing the display screen of the television receiver into two screens, since the programs are different, it is not possible to view each program with a loud sound. Therefore, it is conceivable that the user views using headphones.

  As described above, when the users wear headphones, the users cannot naturally talk with each other, and there is an annoyance that the headphones must be removed for a little conversation.

Therefore, conventionally, there has been a method of having a conversation with each other while listening to other sounds using a combination of headphones and a microphone (see, for example, Patent Document 1). The troublesomeness of removing headphones can be avoided.
Japanese Utility Model Publication No.59-22592

  However, in the above conventional method, since the voice of the program being viewed and the voice of the other party are input simultaneously, the other party's voice may not be heard. For this reason, the user has to adjust the volume of the program being viewed by manual operation, and there is a problem that the operation becomes complicated.

  In addition, when the user is paying attention to the conversation with other users, there is a problem that information on the video and / or sound of the program currently being watched may be missed. .

  In view of the above-described problems, an object of the present invention is to provide a television receiver that enables smooth conversation even when a plurality of users wear headphones.

In order to solve the above-described problems, a television receiver according to the present invention is a television receiver in which a plurality of users view the sound of a program divided and displayed on multiple screens with headphones and the user's sound is input with a microphone. Voice detecting means for detecting the voice of the user input from the microphone, and volume adjusting means for lowering the voice of the program being viewed to a predetermined volume when the voice of the user is detected by the voice detecting means; Voice synthesizing means for synthesizing the audio of the program and the user's voice whose volume has been lowered by the volume adjusting means ; audio output means for outputting the synthesized voice by the voice synthesizing means to the headphones; It is provided with.

  The television receiver according to the present invention is characterized in that the headphone and microphone and the television receiver are connected using a bidirectional wireless communication system.

  In addition, the television receiver according to the present invention is characterized by comprising recording means for recording the program when a user's voice is detected.

  In the television receiver according to the present invention, the multi-screen display is a two-screen display.

  According to the present invention, when the user's voice is detected from the microphone, the voice of the program being viewed is lowered to a predetermined volume and synthesized with the input user's voice. Therefore, when a voice is input, the user's voice can be easily heard by lowering the volume of the television without the user's operation.

  According to the present invention, a program is recorded when a user's voice is detected. Therefore, a program can be recorded without worrying about the program by recording the program during the conversation between users.

  Hereinafter, an exemplary embodiment of the television receiver according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram for explaining the configuration of the television receiver 1 and the wireless transceiver 7. The television receiver 1 and one or more wireless transceivers 7 are connected by a bidirectional wireless communication system. Here, as the bidirectional wireless communication method, any known technique such as a wireless method using a specific frequency or a method using infrared rays is used.

  The television receiver 1 displays a program received from a broadcasting station on the liquid crystal display 3 and transmits an audio signal to the wireless transmitter / receiver 7 via the signal transmitter / receiver 5. Furthermore, the user's voice input from the wireless transmitter / receiver 7 is received via the signal transmitter / receiver 5. Here, the television receiver 1 can synthesize and display a plurality of received programs on the same screen. For example, by displaying two programs using a dual view liquid crystal, it is possible to display different programs for a user viewed from the right direction and a user viewed from the left direction.

  The wireless transceiver 7 includes a headphone 7a, a microphone 7b, and a signal transmission / reception unit 7c. The wireless transmitter / receiver 7 receives the audio signal output from the signal transmitter / receiver 5 of the television receiver 1 by the signal transmitter / receiver 7c and outputs it as sound from the headphones 7a. In addition, when audio is input from the microphone 7b, the wireless transceiver 7 transmits an audio signal to the television receiver 1 via the signal transmitter / receiver 7c. And the television receiver 1 synthesize | combines the input audio | voice and the audio | voice signal of a television, and transmits from the signal transmission / reception part 5 as an audio | voice signal.

  In the present embodiment, for convenience of explanation, it is assumed that two wireless transceivers 7 are provided, but it is needless to say that the number of wireless transceivers 7 is not limited.

  Next, the functional configuration of the television receiver 1 is shown in FIG. As shown in FIG. 2, the television receiver 1 includes a receiving unit (first receiving unit 10 a and second receiving unit 10 b), a display control unit 12, a display device 14, a control unit 20, and a storage unit 30. A wireless transmission / reception unit 40, a voice control unit 50, and a voice input unit 60.

  Here, the television receiver 1 according to the present embodiment includes two receiving units in order to receive two programs. As shown in FIG. 2, the receiving unit includes a first receiving unit 10a and a second receiving unit 10b.

  The receiving unit includes a tuner unit, a decoder unit, a video signal processing unit, and an audio signal processing unit. The functional unit decodes a broadcast wave received from an external antenna and outputs it as a video signal and an audio signal. It is.

  The tuner unit selects (extracts) a received signal having a frequency corresponding to a channel set in each tuner from the received signal received from the antenna ANT, and transports a signal (TS: (Transport Stream) signal is extracted. Specifically, the received signal is demodulated by an OFDM (Orthogonal Frequency Division Multiplexing) method, and error correction is performed using Viterbi decoding or the like to extract a TS signal. Then, the extracted TS signal is output to the decoder unit. In FIG. 2, the tuner units correspond to the first tuner unit 102a and the second tuner unit 102b.

  The decoder unit separates the TS signal input from the tuner unit into an ES (Elementary Stream) such as video or audio and outputs it. Here, the separated video ES is output to the video signal processing unit, and the audio ES is output to the audio signal processing unit. In FIG. 2, the decoder unit corresponds to the first decoder unit 104a and the second decoder unit 104b.

  The video signal processing unit is a processing unit that decodes and outputs a video signal from the video ES input from the decoder unit. The output video signal is output to the display control unit 12. In FIG. 2, the video signal processing unit corresponds to the first video signal processing unit 106a and the second video signal processing unit 106b.

  The audio signal processing unit is a processing unit that decodes and outputs an audio signal from the audio ES input from the decoder unit. The output audio signal is output to the audio control unit 42. In FIG. 2, the audio signal processing unit corresponds to the first audio signal processing unit 108a and the second audio signal processing unit 108b.

  The display control unit 12 is a control unit that generates and outputs a video signal to be output to the display device based on a signal input from the video signal processing unit. In FIG. 2, the signals input from the first video signal processing unit 106a and the second video signal processing unit 106b are combined and output to the display device 14 as a video signal. Here, as a method of synthesizing the video, it is possible to synthesize the entire screen on the assumption that a dual-view liquid crystal is used as the display device 14, or to divide and display one screen into two left and right screens. It's also good.

  The display device 14 is a device for displaying a video based on a video signal input from the display control unit 12. An example of the display device 14 includes a liquid crystal display, a plasma display, or the like. It corresponds to the liquid crystal display 3 in FIG.

  The control unit 20 is a processing device that controls each operation unit of the television receiver 1. Each process is executed by reading and executing various programs stored in the television receiver 1.

  The storage unit 30 is a functional unit that stores programs in the television receiver 1, various setting data, and the like, and includes a storage device such as a DRAM, a flash memory, and a hard disk drive, for example. Here, video / audio data 302 is stored in the storage unit 30.

  Video data 302 is an area for storing programs that are currently being broadcast. The program demodulated by the receiving unit is stored in the video data 302. Further, the television receiver 1 can display a program based on the video data 302.

  The wireless transceiver 40 is an interface for connecting the television receiver 1 and the wireless transceiver 7. An audio signal is transmitted from the television receiver 1 to the wireless transceiver 7 via the wireless transceiver 40. In addition, the audio signal transmitted from the wireless transceiver 7 is received and output to the audio input unit 60.

  The audio control unit 50 controls the audio signal output from the audio signal processing unit and the audio input from the audio input unit 60 (hereinafter referred to as “input audio” as appropriate) and outputs the audio signal to the wireless transmission / reception unit 40. It is a control unit. Here, the audio control unit 50 controls and outputs the audio signal output from each audio signal processing unit and the wireless transceiver in association with each other. Specifically, for example, the audio signal output from the first audio signal processing unit 108a is transmitted to the first wireless transceiver, and the audio signal output from the second audio signal processing unit 108b is input to the second wireless transmission / reception. Control to send to the machine.

  The voice input unit 60 is a functional unit that inputs a voice signal received from the wireless transceiver 7 via the wireless transceiver 40 as voice. Here, the voice input from the voice input unit 60 is output to the voice control unit 50.

[Process flow]
Next, the operation of the television receiver 1 in this embodiment will be described using the operation flow of FIG.

  First, the control unit 20 determines whether or not an input voice is detected by the voice input unit 60 (step S10). Here, when the input sound is detected (step S10; Yes), the currently received program is stored as the video / audio data 302 (step S12). Subsequently, the control unit 20 controls the audio control unit 50 to lower the predetermined volume of TV sound (step S14). Specifically, control is performed so that the current volume level is lowered several steps or adjusted to a preset volume level. Here, the TV sound is sound output from the sound signal processing unit, and in FIG. 2, is sound output from the first sound signal processing unit 108a and the second sound signal processing unit 108b.

  Subsequently, the voice control unit 50 synthesizes the TV voice and the input voice and outputs the synthesized voice to the wireless transmission / reception unit 40 (step S16). Specifically, the voice input from the voice signal processing unit and the voice input from the voice input unit 60 are synthesized and output to the wireless transmission / reception unit 40 as a new voice signal. Then, the wireless transceiver 40 transmits an audio signal to the wireless transceiver 7.

  While the voice is input from the voice input unit 60 (step S18; No), the process of step S16 is repeatedly executed. When no input sound is detected from the sound input unit 60 for a predetermined time (step S18; Yes), the control unit 20 controls the sound control unit 50 to return the volume of the TV sound to the specified value. It performs (step S20).

  When the follow-up playback instruction is received from the user (step S22; Yes), the control unit 20 executes the follow-up playback process (step S24). Here, the chasing playback process refers to a process of recording a program currently being broadcast at the same time as reproducing the program currently being broadcast from the recorded position. By performing the chasing playback process, it is possible to view the program while the conversation is being performed. When there is no chasing playback instruction (step S22; No), or when the chasing playback processing is finished, the recording of the program currently being broadcast is ended (step S26).

  As described above, according to the present embodiment, when a sound is input from the user, the volume of the TV sound is temporarily reduced, so that the input sound can be easily heard and conversation can be easily performed. Also, by instructing the follow-up playback, the program in conversation can be viewed again after the conversation ends, so that the conversation can be performed without worrying about viewing the program.

[Modification]
In the present embodiment, the description has been made by applying to a television receiver including two tuners. However, the present invention is not limited to this, and there may be one or more tuners.

  Further, although the liquid crystal display 3 has been described as an example of the display device 14, for example, a display device such as a plasma display or a CRT (Cathode Ray Tube) may be used.

  Further, the video displayed on the television receiver 1 has been described as a received program. However, the video source is not limited to this and may be a video source input from the outside. For example, it is a matter of course that this is the same for any video source, such as DVD playback or a past program recorded in the video data 302.

  In addition, the volume level that decreases when a voice from the user is detected may be set in advance or may be set by the user. Furthermore, it is good also as setting each the volume level of a television audio | voice and a user audio | voice. In this case, since the user can set the user's preference, the user's voice can be set to be easier to hear.

1 is a diagram illustrating an overview of a television receiver and a wireless transceiver according to an embodiment. 1 is a diagram illustrating a functional configuration of a television receiver according to an embodiment. The figure which shows the operation | movement flow in this embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Television receiver 10a 1st receiving part 10b 2nd receiving part 102a 1st tuner part 102b 2nd tuner part 104a 1st decoder part 104b 2nd decoder part 106a 1st video signal processing part 106b 2nd video signal processing part 108a 1st 1 audio signal processing unit 108b second audio signal processing unit 12 display control unit 14 display device 20 control unit 30 storage unit 302 video / audio data 40 wireless transmission / reception unit 50 audio control unit 60 audio input unit

Claims (4)

In a television receiver in which a plurality of users view the sound of a program divided and displayed on multiple screens with headphones and input the user's sound with a microphone,
Voice detection means for detecting the voice of the user input from the microphone;
When the voice of the user is detected by the voice detection means, the volume adjustment means for lowering the voice of the program being viewed to a predetermined volume;
Voice synthesizing means for synthesizing voice of the program and voice of the user whose volume is lowered by the volume adjusting means;
Voice output means for outputting the voice synthesized by the voice synthesis means to the headphones;
A television receiver characterized by comprising:   The television receiver according to claim 1, wherein the headphones and the microphone and the television receiver are connected using a bidirectional wireless communication system.   The television receiver according to claim 1 or 2, further comprising recording means for recording the program when a user's voice is detected.   The television receiver according to claim 1, wherein the multi-screen display is a two-screen display.

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