JP2012124867A - Subtitle video reproduction system and video reproduction apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a video reproduction apparatus and a subtitle video reproduction system including the video playback apparatus and a hearing aid, in which time and effort necessary for a hearing-impaired person to instruct the apparatus to display subtitles are reduced, and when only a healthy person views a video, unnecessary subtitles are prevented from being displayed.SOLUTION: By providing a hearing aid with a radio signal transmitter-receiver for transmitting a radio signal, when a hearing-impaired person wearing the hearing aid approaches a television receiver, the television receiver recognizes on the basis of the radio signal transmitted from the hearing aid (S4) that a viewer who views a video is a hearing-impaired person, and automatically reproduces a reproduction signal of a subtitle video for hearing-impaired persons or a priority language subtitle video (S8, S9). This enables the hearing-impaired person to reduce time and effort necessary for instructing the television receiver to display subtitles. Moreover, when only a healthy person views a video, even if the healthy person, who does not wear a hearing aid, approaches the television receiver, the television receiver reproduces a normal video reproduction signal. Thus, subtitles unnecessary for the healthy person are not displayed.

Description

  The present invention relates to a video playback device capable of playing back a caption video playback signal, which is a playback signal of caption video in which captions are superimposed on video, and a caption video playback system including the video playback device and a hearing aid.

  2. Description of the Related Art Conventionally, in a video playback device such as a television receiver (hereinafter referred to as a TV receiver), a hard disk recorder, a DVD player, a DVD recorder, a BD player, a BD recorder, etc. On the basis of the subtitle information and the video information, there is one capable of reproducing a hearing-impaired person subtitle video reproduction signal, which is a reproduction signal of a hearing-impaired person subtitle picture obtained by superimposing a caption for a hearing-impaired person on a video. Here, the caption information for the hearing-impaired person is a caption dedicated to the hearing-impaired person as in the DVB (Digital Video Broadcasting) standard which is the standard of digital television broadcasting in Europe (not only the captions of normal conversation but also the scene) This is information for displaying subtitles including onomatopoeia and mimetic words representing the state of

  However, in the conventional video playback device capable of playing back the playback signal of the caption video for the hearing impaired person, is the viewer of the video based on the video playback signal being played back by the video playback device at that time a hearing impaired person? The deaf person cannot automatically recognize whether or not the video is displayed on the setting screen of the video playback device every time he / she views the video based on the video playback signal being played back by the video playback device. Must be set to superimpose captions for the hearing impaired. For this reason, there has been a problem that it takes time for the hearing impaired to display subtitles for the hearing impaired.

  Therefore, in this type of video playback device, it is verified whether or not caption information for the hearing impaired is included in the digital broadcast signal. There is known one that displays subtitles for a person on a display unit and controls a speaker to be in a sound output stop state (see, for example, Patent Document 1). However, with this video playback device, it is possible to save the effort required for a hearing-impaired person to display subtitles. However, even when only a healthy person views a video, subtitles for an unsightly hearing-impaired person are displayed. In addition, the sound from the speaker is stopped.

JP 2010-200085 A

  The present invention solves the above-described problem, can save the labor required for a hearing impaired person to display subtitles, and does not display annoying subtitles when only a healthy person views a video. It is an object of the present invention to provide a video playback apparatus that can be configured as described above, and a caption video playback system including the video playback apparatus and a hearing aid.

  In order to solve the above-mentioned problem, the invention of claim 1 reproduces a subtitle video playback signal that is a subtitle video playback signal in which subtitles are superimposed on video based on subtitle information and video information included in the broadcast signal. A subtitle video reproduction system comprising a possible video reproduction device and a hearing aid that collects surrounding sounds and amplifies and outputs the collected sounds, wherein the hearing aid is a radio signal from the hearing aid Hearing aid radio signal transmitting means for transmitting a radio signal, wherein the video reproduction apparatus receives a hearing aid radio signal receiving means for receiving a hearing aid radio signal transmitted from the hearing aid, and the hearing aid radio signal receiving means transmits the hearing aid radio signal to the hearing aid radio signal receiving means. When receiving, the subtitle video playback signal is played back. When the hearing aid radio signal receiving means does not receive the hearing aid radio signal, the subtitle video playback signal is reproduced. Video reproduction control means for controlling to reproduce a normal video reproduction signal, which is a video reproduction signal not including subtitles, based on the image information.

  According to a second aspect of the present invention, in the closed caption video reproduction system according to the first aspect, the video reproduction device further includes a reproduction device radio signal transmission means for transmitting a reproduction device radio signal that is a radio signal from the video reproduction device. The hearing aid further comprises a playback device radio signal receiving means for receiving a playback device radio signal transmitted from the video playback device, and when the playback device radio signal is received by the playback device radio signal receiving means, The hearing aid radio signal is transmitted by the hearing aid radio signal transmission means.

  According to a third aspect of the present invention, in the closed caption video reproduction system according to the first or second aspect, the video reproduction control means broadcasts when the hearing aid radio signal is received by the hearing aid radio signal reception means. Hearing impaired subtitle video reproduction signal, which is a reproduction signal of a hearing impaired person subtitle video in which the caption for the hearing impaired person is superimposed on the video based on the caption information and video information for the hearing impaired person included in the signal Is controlled to be reproduced.

  According to a fourth aspect of the present invention, there is provided a video reproduction apparatus capable of reproducing a subtitle video reproduction signal that is a reproduction signal of a subtitle video obtained by superimposing a subtitle on a video based on subtitle information and video information included in a broadcast signal. Hearing aid radio signal receiving means for receiving a hearing aid radio signal that is a radio signal from, and when the hearing aid radio signal is received by the hearing aid radio signal receiving means, the subtitle video reproduction signal is reproduced, and the hearing aid radio is reproduced. Video playback for controlling playback of a normal video playback signal that is a video playback signal that does not include subtitles based on video information included in the broadcast signal when the hearing aid radio signal is not received by the signal receiving means And a control means.

  According to a fifth aspect of the present invention, when the video reproduction control means receives the hearing aid radio signal by the hearing aid radio signal reception means, the caption reproduction information and video information for the hearing impaired person included in the broadcast signal are included. Based on this, control is performed so as to reproduce a hearing-impaired caption video reproduction signal, which is a reproduction signal of a hearing-impaired caption video in which a caption for a hearing-impaired person is superimposed on the image.

  According to the first aspect of the present invention, when a hearing-impaired person with a hearing aid approaches the video playback device, the video playback device is based on the hearing aid radio signal transmitted from the hearing aid, and the viewer of the video is a hearing-impaired person. Recognizing this, and automatically playing back the subtitle video playback signal, it is possible to save the labor required for the hearing impaired to display the subtitle. Moreover, when only a healthy person views a video, even if a healthy person without a hearing aid approaches the video playback device, the video playback device plays back a normal video playback signal, not a subtitle video playback signal. It is possible to prevent subtitles that are annoying for a healthy person from being displayed.

  According to the invention of claim 2, since the hearing aid wireless signal is transmitted when the hearing aid receives the reproduction device wireless signal transmitted from the video reproduction device, the number of times the hearing aid transmits the hearing aid wireless signal is reduced. Thus, the power required for the hearing aid to transmit the hearing aid radio signal can be reduced.

  According to the invention of claim 3, when the video reproduction device receives the hearing aid radio signal, the hearing impairment is a reproduction signal of the caption video for the hearing impaired person in which the caption for the hearing impaired person is superimposed on the video. Since the subtitle video reproduction signal for the person is automatically reproduced, it is possible to save time and effort required for the hearing impaired person to display the caption for the hearing impaired person. In addition, when only a healthy person watches a video, even if a healthy person without a hearing aid approaches the video playback device, the video playback device is not a subtitle video playback signal for the hearing impaired, but a normal video playback signal. , The subtitles for the hearing impaired person who are annoying to the healthy person can be prevented from being displayed.

  According to the invention of claim 4, the same effect as that of claim 1 can be obtained.

  According to the invention of claim 5, the same effect as that of claim 3 can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a TV receiver and a hearing aid constituting a caption video reproduction system according to an embodiment of the present invention. FIG. 2 is an electrical block configuration diagram of the TV receiver in FIG. 1. The electrical block block diagram of the hearing aid in FIG. 7 is a flowchart of video playback control processing in the caption video playback system.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following embodiment, an example in which the present invention is applied to a caption video reproduction system including a digital television receiver (hereinafter referred to as a TV receiver) and a hearing aid will be described. In addition, embodiment described below does not cover this invention, and this invention is not limited only to the following form.

  FIG. 1 shows a caption video reproduction system according to this embodiment. The caption video playback system 1 includes a TV receiver 2 and a hearing aid 3 which are video playback devices. The TV receiver 2 reproduces a reproduced signal of a hearing-impaired caption video in which a caption for a hearing-impaired person is superimposed on a video based on caption information and video information included in a broadcast signal, or a caption in a preferred language for a video. It is possible to reproduce the reproduction signal of the priority language subtitle video on which is superimposed. The TV receiver 2 receives a radio signal transmitted from the remote controller (see FIG. 2) and a radio signal transmitted from the hearing aid 3 (a hearing aid radio signal), and also transmits a radio signal (reproducing device radio signal) to the hearing aid 3. ) Is transmitted. (Hearing aid radio signal receiving means, reproduction apparatus radio signal transmitting means). In addition, the TV receiver 2 is a subtitle video for a hearing impaired person in which a caption for a hearing impaired person is superimposed on a video, a priority language subtitle video in which a subtitle of a priority language is superimposed on a video, or a normal video that does not include a subtitle. A monitor 5 for displaying a video such as a speaker, a speaker 6 for outputting sound based on audio information included in a broadcast signal, and an operation unit 7 having a plurality of operation keys provided on a front panel of the apparatus main body. Have.

  The hearing aid 3 collects ambient sounds, amplifies the collected sounds, and outputs the amplified sounds. The hearing aid 3 receives a radio signal (reproduction device radio signal) transmitted from the TV receiver 2 and transmits a radio signal (hearing aid radio signal) to the TV receiver 2 (reproduction device). Wireless signal receiving means and hearing aid wireless signal transmitting means).

  FIG. 2 shows an electrical block configuration of the TV receiver 2 described above. In addition to the wireless signal transmitter / receiver 4, the monitor 5, the speaker 6 and the operation unit 7, the TV receiver 2 includes a CPU 10 (video playback control means) that controls the entire apparatus including video playback control. Yes. In addition, the TV receiver 2 receives a digital television broadcast signal (transport stream) via the antenna 30 and decodes a packet in the transport stream received by the tuner 11 so that the video is received. An MPEG decoder 12 that generates a stream, an audio stream, and a data stream, and various processes such as image processing are performed on the video stream generated by the MPEG decoder 12, and a video signal based on the video stream after these processes is generated. A video processing circuit 13 to be reproduced, an OSD unit 14 for superimposing an OSD (on-screen display) data signal such as a character including a caption for a hearing impaired person on the video signal reproduced by the video processing circuit 13, and an MPEG In the data stream generated by the decoder 12 Murrell and a data processing circuit 15 for extracting the various data (including closed caption data for the hearing impaired). The monitor 5 displays a video such as the caption video for the hearing impaired person, the caption video, and the normal video based on the video signal output from the OSD unit 14.

  The TV receiver 2 performs various processes such as audio processing on the audio stream generated by the MPEG decoder 12, and performs reproduction and amplification processing of the audio signal based on the audio stream after these processes. After that, the audio processing circuit 16 that D / A converts the processed digital audio signal and outputs it as a driving signal for the speaker 18 is provided.

  Furthermore, the TV receiver 2 includes a memory 17 for storing various data including control programs and setting data such as priority language settings, and a plurality of operation keys. A remote controller (remote controller) 21 for performing various instruction operations is provided. Here, the preferred language is the language that is used with the highest priority among these languages when television broadcasts of various languages such as English, German, and French are broadcast as in Europe. Say. For example, in Germany, the preferred language setting in the TV receiver 2 is usually German.

  FIG. 3 shows an electrical block configuration of the hearing aid 3 in FIG. The hearing aid 3 includes a CPU 30 that controls the entire apparatus in addition to the wireless signal transceiver 8 described above. The hearing aid 3 also converts a microphone 31 for inputting ambient sound and an analog audio signal input from the microphone 31 into a digital audio signal, and removes noise components from the converted audio signal. A DSP (Digital Signal Processor) 32, an amplifier 33 for amplifying the audio signal after noise component removal processing input from the DSP 32, and a digital audio signal input from the amplifier 33 is converted into an analog audio signal. A D / A converter 34 and a receiver 35 that is driven by an audio signal input from the D / A converter 34 and outputs audio are provided. Furthermore, the hearing aid 3 includes a memory 36 for storing a control program and various data.

  The flowchart in FIG. 4 shows video playback control processing in the caption video playback system 1. When the apparatus is activated, the CPU 10 on the TV receiver 2 side determines whether the content being broadcast at that time includes caption data for the hearing impaired or subtitle data for the priority language (subtitles for the hearing impaired) Information or priority language caption information is included in the broadcast signal), and if it contains hearing impaired or priority language caption data (YES in S1), the presence of the TV receiver 2 Is transmitted by the wireless signal transmitter / receiver 4 (S2). When the CPU 30 on the side of the hearing aid 3 recognizes the presence of the TV receiver 2 by receiving the wireless signal from the TV receiver 2 with the wireless signal transceiver 8 (YES in S3), the CPU 30 of the hearing aid 3 uses the wireless signal transceiver 8. A radio signal indicating the presence (a hearing aid radio signal in the claims) is transmitted (S4).

  When the CPU 10 on the TV receiver 2 side recognizes the presence of the hearing aid 3 by receiving the wireless signal from the hearing aid 3 by the wireless signal transmitter / receiver 4 (the hearing-impaired person with the hearing aid 3 approaches the TV receiver 2. (S5: YES), it is recognized that the viewer of the video is a hearing impaired person, and whether the content being broadcast at that time includes caption data for the hearing impaired person (hearing It is determined whether or not caption information for the disabled is included in the broadcast signal. When the caption data for the hearing impaired person is included (YES in S7), the CPU 10 on the TV receiver 2 side includes the video stream included in the broadcast content and the caption data for the hearing impaired person (broadcasting). Based on the caption information and video information for the hearing-impaired person included in the signal, a reproduction signal of the caption video for the hearing-impaired person in which the caption for the hearing-impaired person is superimposed on the image (subtitle video reproduction signal for the hearing-impaired person) ) Is reproduced using the MPEG decoder 12, the video processing circuit 13, the data processing circuit 15, and the OSD unit 14, and the caption video for the hearing impaired person is displayed on the monitor 5 based on the reproduction signal (S8).

  In S7, when the content being broadcast at that time does not include caption data for the hearing impaired person (NO in S7), the CPU 10 on the TV receiver 2 side displays the video included in the broadcast content. Based on the stream and the subtitle data of the priority language (the subtitle information and the video information of the priority language included in the broadcast signal), the MPEG decoder 12 Then, playback is performed using the video processing circuit 13, the data processing circuit 15, and the OSD unit 14, and the priority language subtitle video is displayed on the monitor 5 based on the playback signal (S9).

  Further, the CPU 10 on the TV receiver 2 side determines whether the content being broadcast at that time does not include caption data for the hearing impaired person or caption data for the priority language (NO in S1), In the determination of S5, if the wireless signal transmitter / receiver 4 cannot receive the wireless signal from the hearing aid 3 and cannot recognize the presence of the hearing aid 3 (the hearing impaired person with the hearing aid 3 is TV When it is not possible to detect that the camera 2 has been approached (NO in S5), it is recognized that only a healthy person is viewing the video. Then, the CPU 10 reproduces the normal video reproduction signal using the MPEG decoder 12 and the video processing circuit 13 based on the video stream included in the broadcast content (video information included in the broadcast signal). Based on the reproduction signal, the normal video is displayed on the monitor 5 (S6).

  As described above, according to the caption video reproduction system 1 and the TV receiver 2 of the present embodiment, when the hearing impaired person with the hearing aid 3 approaches the TV receiver 2, the TV receiver 2 transmits from the hearing aid 3. The viewer recognizes that the viewer of the video is a hearing-impaired person based on the received wireless signal and automatically reproduces the playback signal of the caption video for the hearing-impaired person or the priority language subtitle video. It is possible to save the time and effort required to display. In addition, when only a healthy person views the video, even if a healthy person who does not have the hearing aid 3 approaches the TV receiver 2, the TV receiver 2 can receive the caption video for the hearing impaired or the priority language subtitle video. Since the normal video reproduction signal is reproduced instead of the reproduction signal, it is possible to prevent subtitles that are annoying for a healthy person from being displayed.

  Further, according to the caption video reproduction system 1 and the TV receiver 2 of the present embodiment, when the hearing aid 3 receives a radio signal transmitted from the TV receiver 2 (notifying the presence of the TV receiver 2), Since the wireless signal (notifying the presence of the hearing aid 3) is transmitted to the receiver 2, the number of times the hearing aid 3 transmits the wireless signal is reduced, and the power required for the hearing aid 3 to transmit the wireless signal is reduced. be able to.

  In addition, this invention is not restricted to the structure of the said embodiment, A various deformation | transformation is possible in the range which does not change the meaning of invention. For example, in the above-described embodiment, an example in which the video playback device of the present invention is the TV receiver 2 is shown. However, the video playback device of the present invention is not limited to this, and for example, a hard disk recorder, DVD (Digital Versatile). Any device capable of reproducing a video reproduction signal such as a (Disc) player, a DVD recorder, a BD (Blu-ray Disc) player, or a BD recorder may be used. As described above, when the video reproduction apparatus of the present invention is an apparatus for reproducing a signal recorded on a recording medium such as a hard disk, a DVD, or a BD, the hearing impaired person included in the broadcast signal recorded on the recording medium. Based on the subtitle information and the video information for use, the subtitle video reproduction signal for the hearing impaired is reproduced.

  Further, in the above embodiment, when the content being broadcast at that time does not include caption data for the hearing impaired person, if this content includes the caption data of the priority language, the playback signal of the priority language caption video However, if the content being broadcast at that time does not include caption data for the hearing impaired, the playback signal of the normal video may be played unconditionally. Also, if the content being broadcast at that time does not contain caption data for the hearing impaired, and if this content contains caption data in any language, captions in any of these languages A video playback signal may be played back.

1 Subtitled video playback system 2 TV receiver (video playback device)
3 Hearing Aid 4 Radio Signal Transceiver (Hearing Aid Radio Signal Receiving Means, Playback Device Radio Signal Transmitting Means)
8 Radio signal transceiver (reproducing device radio signal receiving means, hearing aid radio signal transmitting means)
10 CPU (Video playback control means)

Claims (5)

Based on subtitle information and video information included in the broadcast signal, a video playback device capable of playing back a subtitle video playback signal, which is a subtitle video playback signal superimposed on the video, and surrounding audio are collected. In a subtitle video playback system comprising a hearing aid that amplifies and outputs the collected sound,
The hearing aid comprises a hearing aid radio signal transmitting means for transmitting a hearing aid radio signal which is a radio signal from the hearing aid,
The video playback device
A hearing aid radio signal receiving means for receiving a hearing aid radio signal transmitted from the hearing aid;
When the hearing aid radio signal receiving means is receiving the hearing aid radio signal, the subtitle video reproduction signal is reproduced, and when the hearing aid radio signal receiving means is not receiving the hearing aid radio signal, a broadcast signal is generated. A subtitle video reproduction system comprising: video reproduction control means for controlling to reproduce a normal video reproduction signal which is a reproduction signal of a video not including subtitles based on the included video information. The video playback device further includes playback device radio signal transmission means for transmitting a playback device radio signal that is a radio signal from the video playback device,
The hearing aid further comprises a playback device radio signal receiving means for receiving a playback device radio signal transmitted from the video playback device, and when the playback device radio signal is received by the playback device radio signal receiving means, the hearing aid 2. The caption video reproduction system according to claim 1, wherein the hearing aid radio signal is transmitted by a radio signal transmission means.   When the hearing aid radio signal receiving means receives the hearing aid radio signal, the video reproduction control means is adapted to generate a hearing impairment in the video based on caption information and video information for the hearing impaired person included in the broadcast signal. 3. The subtitle according to claim 1, wherein control is performed so as to reproduce a hearing-impaired caption video reproduction signal, which is a reproduction signal of a hearing-impaired caption video superimposed with a caption for the deaf person. 4. Video playback system. In a video playback apparatus capable of playing back a caption video playback signal that is a playback signal of a caption video in which captions are superimposed on video based on caption information and video information included in a broadcast signal,
A hearing aid radio signal receiving means for receiving a hearing aid radio signal which is a radio signal from the hearing aid;
When the hearing aid radio signal receiving means is receiving the hearing aid radio signal, the subtitle video reproduction signal is reproduced, and when the hearing aid radio signal receiving means is not receiving the hearing aid radio signal, a broadcast signal is generated. A video playback apparatus comprising: video playback control means for controlling to play back a normal video playback signal, which is a video playback signal not including subtitles, based on the included video information.   When the hearing aid radio signal receiving means receives the hearing aid radio signal, the video reproduction control means is adapted to generate a hearing impairment in the video based on caption information and video information for the hearing impaired person included in the broadcast signal. 5. The video reproduction apparatus according to claim 4, wherein control is performed so as to reproduce a hearing-impaired caption video reproduction signal that is a reproduction signal of a caption video for the hearing-impaired person on which a caption for a person is superimposed.

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