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JP2003230071

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DESCRIPTION JP2003230071
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
television viewing system capable of outputting, for example, audio of television broadcasting in
consideration of a person who is deaf.
[0002]
2. Description of the Related Art In a conventional television viewing system, an audio output
device is premised on the viewer being a healthy person, and has only a sound quality adjusting
function such as high sound and low sound. Therefore, a hearing impaired person who has a
voice sensitivity lower than that of a healthy person or an elderly person who has symptoms of
senile deafness (hereinafter referred to as a deaf person) can not easily hear the voice. , Volume
up to support. Also, for example, when a healthy person and a deaf person watch television
together, when the sound output level is adjusted to the deaf person, it may sound loud for the
healthy person and may not be able to hear the deaf person. There is no problem if a hearing
impaired person is equipped with a hearing aid, but the use of a hearing aid is cumbersome.
[0003]
As described above, in the conventional television viewing system, there is no adjustment
function considering a deaf person, and the deaf person can only cope by raising the volume. In
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addition, when a normal person and a deaf person watch television together, there is no
alternative but to endure in a state that it is difficult to hear either, and there are cases in which
the family's teaming is impaired.
[0004]
The present invention solves the above-mentioned situation and can be easily adjusted to be easy
for the deaf person to hear. Furthermore, even when the healthy person and the deaf person
watch together, the healthy person does not feel noisy. An object of the present invention is to
provide a television viewing system that can be set in a state in which a deaf person can easily
hear.
[0005]
In order to achieve the above object, a television viewing system according to the present
invention comprises an audio signal reproducing means for reproducing an audio signal from a
television signal, and an auditory data registration means for registering hearing data. A mode
selection unit for selecting a normal audio output mode and an adjustment audio output mode;
and an audio signal adjustment unit for adjusting an audio signal output from the audio signal
reproduction unit based on the hearing data registered by the audio data registration unit. An
output switching unit for selectively outputting an audio signal output from the audio signal
reproducing unit and an audio signal output from the audio signal adjusting unit; and the audio
signal reproducing unit according to a selection mode of the mode selection unit. The audio
signal adjusting means and the control means for controlling the output switching means are
provided.
[0006]
In the television viewing system according to the above configuration, it is possible to
automatically adjust and output the audio signal based on the listener's hearing data simply by
registering the listener's hearing data and selecting and designating the adjustment audio output
mode. It becomes.
[0007]
The present invention further includes a simultaneous output mode in the above configuration
that simultaneously outputs a normal audio output and an adjustment audio output to a
designated audio output system, and the simultaneous output mode is selected by the control
means. It is characterized in that the output switching means is made to output the normal sound
output and the adjustment sound output to a specified sound output system.
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[0008]
By configuring in this way, for example, it is possible to simultaneously flow the normal audio
output from the left side or the right side where the healthy person is present and the adjustment
audio output from the right side or the left side where the hearing impaired person exists. Even
when viewing at the same time, it is possible to make a deaf person easy to hear without making
a healthy person feel awkwardness.
[0009]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, prior to describing the
embodiments of the present invention, an outline of a countermeasure for the deaf person who
characterizes the present invention will be described.
[0010]
In general, in the case of hearing impairment, when the symptoms are mild, hearing loss in the
high range is often large.
In addition, in most cases, senile hearing loss also progresses with age in the hearing loss of the
high range.
In fact, raising the high end of the audio output makes it sound clearer without increasing the
volume appreciably.
However, there is individual difference between the frequency range and the amount of loss.
[0011]
Therefore, in the present invention, the hearing ability of the deaf person is measured for each
frequency domain, and the frequency of the audio signal is adjusted based on the frequency
characteristic of the amount of loss, thereby realizing a good audio output for the deaf person.
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Furthermore, by adjusting the volume based on the average loss amount, the voice can be heard
more clearly.
In addition, when a person with a hearing loss listens to a healthy person together, the normal
voice and the adjusted voice are output to separate voice output systems, and both are made to
point to the person with a hearing loss and a healthy person. Create a situation that is easy to
hear together.
[0012]
Hereinafter, embodiments of the present invention will be described in detail with reference to
the drawings.
[0013]
FIG. 1 shows the configuration of a television viewing system provided with a television audio
output device according to the present invention, and a television broadcast signal received by an
antenna 11 is selected by a tuner 12 and an audio / video separation unit 13 And video signals.
Among these, the video signal is appropriately signal-processed by the video reproduction
processing unit 14 and displayed on the display unit 15.
Further, the audio signal is sent to the audio reproduction processing unit 16. The audio
reproduction processing unit 16 separates the audio signal input according to the designated
mode into each signal of the main audio, sub audio, stereo left / right audio (S (L), S (R) in the
figure), and outputs And a volume / frequency adjustment unit 26 that adjusts the volume and
frequency by digital processing, for example, and adjusts the volume and frequency of the output
signal according to the control instruction.
[0014]
Each signal of the main voice, the sub voice, and the stereo left and right voice (S (L) and S (R) in
the figure) output from the voice reproduction processing unit 16 is selectively output to the left
and right speakers 18 L by the output switching unit 17. , 18R to reproduce the sound. Further,
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it can be derived from the output terminal 19 to the external speaker 20 as well. The external
speaker 20 is preferably a narrow directional small speaker or headphones. In the case of
headphones, for example, a headphone system compatible with radio by FM modulation is
desirable.
[0015]
Here, the present system is provided with a remote control interface (hereinafter referred to as
IF) 22 for receiving operation input information of a remote control (abbreviation of remote
controller) 21 and an IC card IF 24 for receiving information recorded in the IC card 23.
[0016]
The remote controller 21 includes a channel selection key, a display mode selection key, an audio
output mode setting registration key, and an audio output mode selection key, and sends out
corresponding instruction information in accordance with each key operation.
Of the instruction information sent from the remote control 21, the voice output mode setting
registration / selection information is sent to the voice output control unit 25. The audio output
control device 25 has a hearing output mode and a normal + hearing output mode in addition to
the normal output mode, and the audio reproduction processing unit 16 and the output
switching unit 17 according to the mode setting registration / selection information from the
remote control 21. And controls the volume / frequency adjustment unit 26 in the audio
reproduction processing unit 16.
[0017]
In the IC card 23, as shown in FIG. 2, hearing ability (average loss level, frequency characteristics
indicating loss per frequency by frequency) corresponding to the hearing test result of the
hearing impaired person is recorded beforehand by medical examination in a hospital deep.
When receiving the control of setting registration from the voice output control unit 25, the
volume / frequency adjustment unit 26 reads the hearing data from the IC card 23 through the
IC card IF 24 and registers it in an internal memory (not shown). Then, for the sound
reproduction processing unit 16, the volume and frequency characteristics of the sound system
(main sound, sub sound or stereo left / right sound) designated at the time of the selection of the
hearing loss corresponding mode are adjusted.
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[0018]
When the IC card 23 is set in the IC card IF 24, setting registration is performed according to the
procedure shown in FIG.
[0019]
In FIG. 3, first, at step S11, the display screen 15 displays a selection screen for viewing of a
hearing impaired person;
Deafness output mode2. Normal (left) + Deafness (right) output mode It is selected from the
normal (right) + deafness (left) output mode through the remote control 21.
[0020]
Next, in step S12, the result selected by the remote controller 21 is determined. If the selection
result is 1 or not input, it is confirmed whether or not both the right and left audio outputs may
be suitable for the deaf in step S13. If the selection result is 2, the left is a normal voice in step
S14. If the selection result is 3, the right is displayed as a normal voice and the left is displayed
as a deaf person's voice in step S15. Subsequently, in step S16, the confirmation input from the
remote control 21 is determined, and if "No" or not input, the process returns to the process of
step S12, and if "Yes", the selection mode is finalized and registered in step S17. At the same
time, the setting completion is notified by the screen display.
[0021]
In the above configuration, the flow of the audio output control process by the audio output
control unit 25 will be described with reference to FIG. Here, it is assumed that the hearing data
has already been registered from the IC card 23.
[0022]
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First, when voice is received, the insertion state of the IC card 23 is confirmed in step S21, and
the presence or absence of hearing data in the IC card is determined. Here, when there is no
hearing data, in step S33, the voice switching unit 17 outputs the voice signal reproduced as
usual to the left and right speakers.
[0023]
If there is hearing data, setting registration information is determined in step S22.
[0024]
At step S22, if it is for both the left and the right, at step S23, the volume / frequency adjustment
section 26 adjusts the volume and frequency of both left and right audio signals based on the
deafness data, and at step S33 the output switching section 17 The left and right audio signals
whose volume and frequency have been adjusted are output to the corresponding speakers.
[0025]
In step S22, if the right side is for a hearing impaired person and the left side is normal, it is
determined in step S24 whether the voice mode is main / sub-multiplex voice, monaural voice or
stereo voice.
In the case of main / sub-multiplex audio, it is determined in step S25 whether the output setting
mode is main audio output, sub-audio output, or main / sub-audio simultaneous output.
In the case of simultaneous main / sub audio output, in step S26, the audio reproduction
processing unit 16 separates and extracts the main audio and the sub audio from the audio
signal. In the case of the main voice output or the sub voice output, the voice reproduction
processing unit 16 extracts the main voice or the sub voice from the voice signal in steps S27
and S28. If it is determined in step S24 that the audio signal is stereo sound, the sound
reproduction processing unit 16 synthesizes the left and right audio signals. If it is determined in
step S25 that the signal is monaural, the audio reproduction processing unit 16 outputs the
reproduced audio signal as it is.
[0026]
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When the main / sub audio signal is separated and output in the above step S26, the main audio
is made the right audio and the auxiliary audio is the left audio in steps S30 and S31, and the
main audio, sub audio and stereo synthesis are made in steps S27 to S29. Is extracted or when it
is determined to be monaural sound in step S24, the respective sound signals are equally
distributed to the left and right, and in steps S30 and S31, the respective signals are made into
right sound and left sound. Among these, the right audio causes the volume / frequency
adjustment unit 26 to adjust the volume / frequency based on the deafness data in step S32, and
the output switching unit 17 performs the volume / frequency adjustment in step S33 The
normal audio signal determined in step S31 is output to the corresponding speaker.
[0027]
If it is determined in step 22 that the left is for the deaf and the right is normal, the process is
reversed from the steps S25 to S32.
[0028]
By the above processing, it is possible to realize the mode-specific processing when there is
hearing data.
In particular, it is possible to automatically adjust and output an audio signal based on the
listener's hearing data simply by registering the hearing aid data of the hearing impaired person
and selecting and designating the speech output mode for the hearing impaired person. Also, it is
possible to simultaneously output the normal voice output from the left or right side where the
healthy person is present, and the adjusted voice output simultaneously from the right or left
side where the hearing impaired person is present, and even when the healthy person and the
hearing impaired watch the same program simultaneously It is possible to make the deaf person
easy to hear without making the healthy person feel the annoyance.
[0029]
In the above embodiment, as shown in FIG. 5, the normal voice and the hearing aid voice are
separately flown from the left and right speakers according to the positions of the healthy person
and the deaf person, but as shown in FIG. A narrow directional speaker may be connected to the
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output terminal 19 so as to be directed in the direction of the person who is deaf and to allow an
audio signal whose volume and frequency have been adjusted to flow. Alternatively, a headphone
may be connected to the output terminal 19, and this headphone may be worn by a deaf person
so that a sound signal adjusted in volume and frequency may flow. In this case, normal sound can
be made to flow from the left and right speakers of the television viewing system. For example, in
the case of stereo broadcasting, by passing left and right audio of stereo broadcasting from left
and right speakers as they are, and by passing left and right synthesized voice signals whose
volume and frequency are adjusted from external speakers or headphones, both normal and deaf
people You can enjoy stereo broadcasting.
[0030]
When stereo headphones are used, it is not necessary to use left and right synthesized audio
signals. Therefore, if audio signals whose volume and frequency are adjusted on both the left and
right sides are sent to stereo headphones, the person who is deaf can also perform stereo
broadcasting. It can be enjoyed. In addition, if a wireless type of FM modulation system or the
like is used as the headphones, the distance between the television and the viewer (deaf person)
is not limited to the length of the cord, which is more effective.
[0031]
In the above embodiment, the IC card transmits and receives hearing data for adjusting the
volume and frequency, but the present invention is not limited to this. For example, the television
viewing system itself has a hearing test function, ie, In the hearing test mode, the sound of each
frequency is output by increasing or decreasing the volume sequentially, and when you hear it or
when it can not be heard, turn on the specific key of the remote control to take statistics of the
volume for each frequency You may make it provide the function made into hearing data. In
addition, a system may be considered in which, for example, graded hearing data such as age
groups are sent in the broadcast signal, and the viewer (deaf person) selects from among them.
Further, communication with the medical institution may be promoted by communication such as
the Internet so that medical examination data can be directly taken.
[0032]
In addition, the present invention can be variously modified and implemented, for example, the
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television viewing system may be a television receiver having an integrated display system and
audio system, and a monitor television and an audio output device are separately combined and
both of them. It may be one. Also, the function may be given to the VTR or the like, or it may be a
type to be retrofitted as an adapter.
[0033]
As described above, according to the present invention, it can be easily adjusted so as to be easy
for the deaf person to hear, and furthermore, even when the healthy person and the deaf person
watch together, the healthy person is noisy. It is possible to provide a television viewing system
that can be set in a state in which a deaf person can easily hear without being felt.
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