JP2006352809A - Broadcast reception device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast reception device by which an audience or the like can efficiently listen or the like broadcast content. <P>SOLUTION: A radio receiver 1 has a first storing means 13 for recording a decoding signal as a record signal, a second storing means 16 for storing time shift data including a data combination of shift original time data indicating a record time frame recording a record signal and shift destination time data indicating a reproduction time frame which reproduces the record signal, a timer means 15 composing so as to output a current time indicating a present time, and an output means 12 composing so as to selectively input and reproduce the decode signal or the record signal. The radio receiver 1 is composed so that the record signal is reproduced within a reproduction time frame, and the decode signal is reproduced out of the reproduction time frame. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus for efficiently listening to or viewing a broadcast.

  In radio broadcasts and television broadcasts, various broadcast contents (broadcast programs) are broadcast along a predetermined time schedule. In this way, when a provider tries to listen to or view broadcast content for which the broadcast date and time is determined, conventionally, the recipient, such as the broadcast recipient, has received his / her broadcast content according to the broadcast date and time of the broadcast content. It was necessary to adjust the schedule. If the working hours of a company, etc., or time periods where there are irreplaceable tasks, etc. overlap with the broadcasting hours, for example, the timer reservation function of a recorder device such as a cassette recorder or a video recorder can be used to make an absence. The broadcast content was saved.

  On the other hand, as a device corresponding to a request for storing broadcast content, for example, a radio receiver with a built-in large-capacity memory configured to be able to continuously record radio broadcasts for 24 hours has been proposed (for example, (See Patent Document 1). This radio receiver is capable of realizing a pseudo on-demand broadcast so that it can be listened to whenever the listener likes it by recording a radio broadcast for 24 hours.

  However, in the above-described conventional recorder device, radio receiver, etc., the timing of listening to the stored broadcast content tends to be postponed, and there is a case where the broadcast content itself is forgotten. In such a case, there is a problem in that broadcast content such as unlistened content remains stored.

JP 2001-250368 A

  The present invention has been made in response to the above-described problem, and in a broadcast receiving apparatus that receives broadcast content broadcast on a scheduled time schedule, a listener, a viewer, or the like follows a schedule that the viewer has planned. Therefore, an object of the present invention is to provide a broadcast receiving apparatus that can listen to broadcast contents efficiently.

The present invention is a broadcast receiving device that receives a broadcast transmitted along a scheduled broadcast schedule and presents broadcast content to the outside,
Receiving means configured to receive the broadcast and obtain a demodulated signal;
First storage means for recording the demodulated signal as a record signal;
Shift source time data representing a record time frame that is a time zone for acquiring the demodulated signal to record the record signal, and shift destination time data representing a playback time frame that is a time zone for reproducing the record signal Second storage means for storing time shift data including a data set;
Timer means configured to output the current time representing the current time;
An output means configured to present the broadcast content by selectively inputting and reproducing the demodulated signal or the record signal;
Switching means for switching an input signal input to the output means,
The switching means sets the record signal as the input signal when the current time is within the reproduction time frame based on the time shift data, and the demodulation when the current time is outside the reproduction time frame. Configured to set the signal as the input signal,
In the broadcast receiving apparatus, the first storage means is configured to record the record signal when the current time is within the record time frame based on the time shift data ( Claim 1).

  In the broadcast receiving apparatus of the present invention, the second storage means is the shift source time data representing the record time frame, which is a time zone for acquiring the demodulated signal, and a time zone for reproducing the recorded record signal. The time shift data including a data set with the shift destination time data representing the reproduction time frame is stored. The broadcast receiving apparatus records the record signal when the current time is within the record time frame, and schedules the reproduction of the record signal when the current time is within the reproduction time frame.

  Accordingly, the broadcast receiving apparatus can present the broadcast content broadcast in real time within the record time frame by shifting it to the time zone of the playback time frame (time shift). Therefore, a listener, a viewer, or the like can receive the broadcast content in accordance with a schedule scheduled for the playback time frame. Further, for example, unlike a conventional recorder device, a listener or the like does not need to search for a target broadcast content from the recorded broadcast content. Therefore, the listener or the like can listen to the broadcast content exactly and efficiently in the time zone set by the user as the playback time frame.

  As described above, the broadcast receiving apparatus of the present invention is an excellent product that enables a listener, a viewer, or the like to listen to broadcast content efficiently according to a schedule that he / she plans.

  Generally, in order to listen to broadcast content in real time, it is necessary for the listener who receives the provision to adjust his / her time schedule with respect to the broadcast schedule. At first glance, this may seem inconvenient, but on the other hand, there is a good aspect that listeners can complete listening according to the broadcast schedule. When listening to a real-time broadcast, it is considered that a psychology with a moderate tension that the target broadcast content may be missed if it is not matched with the broadcast schedule is acting effectively.

  On the other hand, for stored broadcast contents such as recorded radio programs and recorded television programs, the timing of listening or watching is often delayed, and in the end, it is often unintentional or unintentional. It is thought that the sense of security that you can listen to and watch broadcast content that has been saved at any time triggers an alarming mind.

  According to the broadcast receiving apparatus of the present invention, when listening to the broadcast content presented with time shift from the record time frame to the playback time frame, it is as if listening to a real-time broadcast. I can feel a sense. Therefore, according to the broadcast receiving apparatus, it is possible to listen to the target broadcast content exactly and efficiently according to the schedule scheduled by itself as the playback time frame.

  In the broadcast receiving apparatus, the memory capacity of the first storage means can be set according to the time length of the broadcast content presented in the playback time frame. For example, compared with the case where continuous recording is performed for a long time, the memory capacity required for the first storage means can be significantly reduced. Therefore, the broadcast receiving apparatus of the present invention is an attractive product with reduced product cost.

  In the present invention, the broadcast includes radio broadcast, television broadcast, text broadcast, and various combinations thereof. In addition to broadcasting for unspecified people, broadcasting for specific people such as members may be used. Further, as a transmission form of the broadcast, wireless transmission, wired transmission, and the like are conceivable. The demodulated signal may be a video signal, an audio signal, a character code signal, or the like. The format of the demodulated signal may be either an analog format or a digital format. The broadcast receiving apparatus of the present invention is used for private broadcasts that are broadcast to the public, such as radio broadcasts and television broadcasts, and broadcast according to a scheduled schedule. You can also.

The effect of the present invention is particularly effective when the broadcast is a radio broadcast and the broadcast receiving apparatus is a radio receiver for receiving the radio broadcast. This is because radio broadcasting has a relatively large amount of broadcast content that improves learning effects through continuous listening, such as learning courses such as language courses.
The current time in the present invention is data representing the time that the timer means outputs as the current time.

  The first storage means may be an analog type or a digital type. As said 1st memory | storage means, in addition to magnetic media, such as a hard disk, a magneto-optical disk, and a magnetic tape, semiconductor storage elements, such as RAM and flash memory, optical storage media, such as DVD-RW and CD-RW, etc. Various things can also be used.

  The record signal is a signal based on the demodulated signal and stored in the first storage means. The record signal may be the same signal as the demodulated signal, or may be a signal generated by converting the demodulated signal. For example, as the conversion for obtaining the record signal based on the demodulated signal, for example, data compression conversion such as A / D conversion, D / A conversion, DCT conversion (discrete cosine conversion), etc. can be considered. .

  The time shift data can be input using, for example, user interface means provided in the broadcast receiving apparatus. In addition, for example, the broadcast receiving apparatus is configured so that a PC (personal computer) or a separate operation unit having a user interface function can be connected, and input means such as a PC or an operation unit are used. It is also possible to input the time shift data.

  As the time shift data, in addition to the data set of the shift source time data and the shift destination time data, data specifying the reception channel such as a reception frequency, and a data compression method for generating the record signal There are various types of data such as data for designating the recording signal, data for designating whether the record signal is stereo or monaural, and data for designating the volume and sound quality of the output means in the playback time frame.

  From the viewpoint of suppressing the storage capacity of the first storage means, the record signal is preferably a digital compression signal. For example, if the broadcast content is video information, JPEG data, MPEG data, or the like can be employed as the record signal. If the broadcast content is audio information, for example, WAV data, MP3 data, etc. can be adopted as the record signal.

  Note that “setting the record signal as the input signal to be input to the output means” is obtained not only by using the record signal itself as the input signal but also by signal processing (converting) the record signal. This means a broad concept including indirectly setting a signal, that is, another signal based on the record signal, as the input signal.

  Examples of the output means include a display when the broadcast is a television broadcast and a speaker when the broadcast is a radio broadcast. In addition, an output circuit that outputs a video signal or an audio signal to a display, a speaker, or the like as an external device electrically connected to the broadcast receiving apparatus can be used as the output means. In this case, the broadcast content is presented to the broadcast receiving apparatus via an external device such as a display or a speaker. Here, for example, presenting broadcast content made up of video means displaying video information on a display or the like, and for example, presenting broadcast content made up of sound means outputting sound information via a speaker or the like. Say.

Preferably, the first storage means is configured to delete the record signal corresponding to the reproduction time frame after the current time has passed the reproduction time frame. .
In this case, if the listener does not listen to the scheduled playback time frame, the listener can have a moderate tension that the target broadcast content is missed, as in the case of real-time broadcasting.

  For example, this is particularly effective when the broadcast content is a learning course such as a language course and the motivation of the listener is not high enough. That is, it can be expected that the above-mentioned psychology with a sense of tension acts in a good direction as a compulsory force for a listener or the like who is not sufficiently motivated to listen to broadcast contents such as the above-mentioned learning courses.

  Further, when the broadcast content is, for example, an entertainment program for infants, a configuration in which the record signal is deleted after the reproduction time frame has passed is particularly effective, as in real-time broadcasting. It is. This is because infants and the like tend to repeatedly play the same game or repeatedly watch broadcast contents such as animation. If the record signal is erased after the reproduction time frame elapses as described above, it is possible to avoid an unfavorable situation in which, for example, an infant or the like repeats viewing and the like over and over again.

  Further, it has an erasure cancel button for saving the record signal reproduced in the reproduction time frame, and the first storage means is configured to delete the erasure cancel button during reproduction of the record signal in the reproduction time frame. It is preferable that the record signal corresponding to the reproduction time frame is erased after the current time has passed the reproduction time frame, except when the button is operated.

  In this case, only when the erasure cancel button is operated during the reproduction of the record signal in the reproduction time frame, a convenient function is realized in which the erasure of the record signal can be stopped and stored as it is. In particular, even when the broadcast content is being listened to in the playback time frame (in many cases, after listening to the end), if the delete cancel button is operated, the broadcast content is started from the beginning. You can save everything until the end. Therefore, it becomes possible to carefully select and effectively store truly useful broadcast content.

  In addition, the broadcast receiving apparatus includes an output switch for turning on and off the operation of the output means, and when the current time is within the reproduction time frame, the output switch is set to the ON state and the output switch is turned on. It is preferable that a record signal is reproduced (claim 4).

  In this case, a listener or the like can listen to the broadcast content with high certainty in the playback time frame. For example, a listener who has forgotten to set the playback time frame or a listener who misunderstood the time can listen to the broadcast content with high certainty. For example, if the broadcast content is a learning course such as a language course that becomes more effective as it repeats, the listening can be made with high certainty, and the learning effect of the language course etc. can be further increased. Can be increased.

  The broadcast receiving apparatus includes an output switch for turning on and off the operation of the output means, the current time is within the reproduction time frame, and the output switch is set to the ON state. In this case, it is preferable that the record signal is reproduced.

  In this case, the record signal is reproduced in the reproduction time frame on the assumption that the output switch is set to the ON state. Therefore, for example, it is possible to prevent the possibility that the record signal is inadvertently reproduced at an improper timing, such as during a visitor, during a call, or during absence.

  Further, when a predetermined elapsed time has elapsed from the start time of the playback time frame and the output switch is turned ON when the current time is in the middle of the playback time frame, the record signal It is preferable that the time point advanced by the predetermined elapsed time with reference to the head position is set as the reproduction start position of the record signal.

  In this case, the broadcast content can be presented in the playback time frame as if it were a real-time broadcast. In particular, if the output switch is turned on after the start time of the playback time frame has elapsed, the listener or the like misses the beginning of the broadcast content. Therefore, those who plan to listen will feel moderate tension that they must start listening exactly on time.

  Further, the broadcast receiving device is configured to receive two or more reception channels having overlapping record time frames and acquire the demodulated signal, respectively, and the first storage means includes It is preferable that the record signal corresponding to each demodulated signal can be recorded in parallel.

  In this case, for the combination of two or more broadcast contents that are originally broadcast times and cannot be listened to, for example, by setting the playback time frame to be different from each other, listening to both of the broadcast contents is possible. Etc. are possible. Further, for example, it is possible to set such that other broadcast contents that are broadcast at the same time are shifted to the playback time frame while listening to real-time broadcast contents.

In addition, it is preferable to provide a notice unit configured to present notice information when the current time is a predetermined time before the reproduction time frame.
In this case, forgetting to listen can be prevented in advance by notifying that the presentation time frame has approached by the advance notice information. Note that the advance notice information may be chime, audio information such as “Broadcasting will start soon”, light information by light emitting means such as LEDs, vibration information by a vibrator function, and the like. Furthermore, it is also preferable that the notice unit is configured to operate only when the broadcast content presentation is stopped in the broadcast receiving apparatus, that is, when the function of the output unit is stopped.

Preferably, the output means is configured to change a speed at which the record signal is reproduced in accordance with a time length ratio between the record time frame and the reproduction time frame. ).
In this case, it is possible to finish listening to the broadcast content exactly within the time of the reproduction time frame set in advance, regardless of the length of the record time frame and the reproduction time frame. For example, if a long time cannot be secured due to the schedule of the listener or the like, the playback time frame may be set shorter than the record time frame.

  On the other hand, for example, when the broadcast content is a learning course such as a language course, the playback time frame may be set longer than the record time frame for the purpose of assisting the hearing ability. In this case, the playback speed of the record signal becomes slow, and for example, the pronunciation of a foreign language in the language course or the like can be heard accurately.

Example 1
This example is an example related to a radio receiver 1 which is a broadcast receiving apparatus that receives a radio broadcast. This will be described with reference to FIGS.
The radio receiver 1 of this example receives a radio broadcast transmitted according to a scheduled broadcast schedule and presents broadcast content (radio program) to the outside.
As shown in FIG. 1, the radio receiver 1 includes a receiving unit 11 configured to receive a radio broadcast and acquire a demodulated signal, and a first storage unit 13 for recording the demodulated signal as a record signal. In order to store time shift data including a data set of shift source time data representing a record time frame for acquiring a demodulated signal and recording a record signal and shift destination time data representing a reproduction time frame for reproducing the record signal The second storage means 16, the timer means 15 configured to output the current time representing the current time, and the demodulated signal or the record signal are selectively inputted and reproduced to present the broadcast content. Output means 12 configured as described above, and switching means 18 for switching an input signal input to the output means 12.

The switching means 18 sets a record signal as the input signal when the current time is within the reproduction time frame based on the time shift data, and sets the demodulated signal to the input signal when the current time is outside the reproduction time frame. It is configured to be set as
Further, the first storage means 13 is configured to record a record signal when the current time is within the record time frame based on the time shift data.
Hereinafter, this content will be described in detail.

The radio receiver 1 of this example is configured to receive AM broadcast, which is radio broadcast, and to record MP3 data in the first storage means 13 as the record signal.
The radio broadcast may be FM broadcast, shortwave broadcast, etc., in addition to AM broadcast in this example. The record signal may be WAV data or the like instead of the MP3 data in this example.

  As shown in FIG. 1, in addition to the above configuration, the radio receiver 1 has an A / D conversion circuit unit 191 and an encoder 192 for converting a demodulated signal into MP3 data, and MP3 data which is a record signal as an original analog signal. A decoder 194 and a D / A conversion circuit unit 193 for converting into a signal, a control unit 14 for controlling the overall operation of the radio receiver 1, and a user interface unit 17 for operation by the user are provided.

  Furthermore, the radio receiver 1 of this example includes two power supply systems (not shown). One power supply system is a constant power supply, and power is supplied as long as the radio receiver is connected to an outlet. The other is a user power supply that the user turns on and off. In this example, the user power supply is set to an ON state or an OFF state by operating an output switch (not shown) that is an operation button. In addition to the output switch, a switch or the like that is operated by a user to turn on and off the constant power source may be provided.

The tuner as the receiving means 11 (hereinafter referred to as the tuner 11) is configured to operate under the control of the control unit 14. That is, the tuner 11 is configured to select a designated reception channel at a time designated by the control unit 14.
The output means 12 is configured to operate when the output switch as an ON-OFF switch of a user power supply is set to an ON state and to stop functioning when the output switch is set to an OFF state. It is. The output means 12 is a combination of an audio amplifier 121 that amplifies an analog audio signal and an external speaker 122 that is driven by the audio amplifier 121. The audio amplifier 121 is electrically connected to the control unit 14 and is configured so that the volume and sound quality can be adjusted by the control of the control unit 14.

  The switching means 18 is configured to switch the electrical transmission path of the demodulated signal output from the tuner 11 and the electrical transmission path of the input signal input to the audio amplifier 121. Specifically, the switching unit 18 switches whether the demodulated signal acquired by the tuner 11 is output to the audio amplifier 121 or the A / D conversion circuit unit 191, and the input signal of the audio amplifier 121 is switched. Switching between taking in from the tuner 11 or taking in from the D / A conversion circuit unit 193 is performed.

The A / D conversion circuit unit 191 is configured to sample a demodulated signal (in this example, an analog audio signal) taken from the tuner 11 via the switching unit 18 and convert it into a digital audio signal having a predetermined bit length. is there.
The encoder 192 compresses the digital audio signal fetched from the A / D conversion circuit unit 191 and generates MP3 data as a record signal. The encoder 192 is configured to write a record signal composed of the MP3 data to a predetermined address of a semiconductor memory (hereinafter referred to as the semiconductor memory 13 as appropriate) as the first storage means 13.

  On the other hand, the decoder 194 is configured to take in a record signal composed of MP3 data read from the semiconductor memory 13 by the control unit 14 and restore the original digital audio signal based on the record signal composed of this MP3 data. The decoder 194 is configured to output the restored digital audio signal to the D / A conversion circuit unit 193.

  The D / A conversion circuit unit 193 is electrically connected to the audio amplifier 121 via the switching unit 18. The D / A conversion circuit unit 193 is configured to generate an analog audio signal based on the record signal based on the digital audio signal captured from the decoder 194. In this example, the analog audio signal based on the record signal is set as an input signal to be input to the output means 12, thereby reproducing the record signal composed of the MP3 data.

  As described above, the semiconductor memory 13 is electrically connected to the encoder 192 and the decoder 194 and is also electrically connected to the control unit 14. The semiconductor memory 13 is configured so that data can be written by the encoder 192 and output to the decoder 194, and data can be read and erased by the control unit. As the semiconductor memory 13, it is preferable to employ a semiconductor memory that can execute data writing and data reading in parallel. In this case, the record time frame and the playback time frame can be set partially overlapping in time, and the usability of the radio receiver 1 of this example can be further improved.

The control unit 14 is configured around a CPU. The control unit 14 is electrically connected to a RAM (hereinafter referred to as RAM 16 as appropriate) that also serves as the second storage unit 16 and a ROM 141 that stores a control program and the like.
The RAM 16 that also serves as the second storage means also serves as a work memory area of the CPU that forms the control unit 14. The RAM 16 as the second storage means is a set of data input via the user interface means 17, that is, a data set of shift source time data representing the record time frame and shift destination time data representing the reproduction time frame. Various data including time shift data such as are stored. In addition to the above, the setting data includes channel selection data for specifying a reception channel, data for specifying a reception mode such as stereo or monaural, and the like.

The control unit 14 is configured to control the tuner 11, the audio amplifier 121, and the switching unit 18, and write / read data to / from the semiconductor memory 13 based on setting data stored in the RAM 16.
In this example, the RAM 16 as the second storage means has a smaller storage capacity than the semiconductor memory 13 as the first storage means. In this example, the first storage means 13 and the second storage means 16 are configured as separate parts. Instead, the first storage means 13 and the second storage means 16 are integrated. It can also be configured.

  As shown in FIGS. 1 to 3, the user interface unit 17 includes a display unit 171 including a liquid crystal display, and an operation unit 172 including operation buttons 172 a to 172 d disposed on the outer surface of the radio receiver 1. As shown in FIGS. 2 and 3, for example, the display unit 171 of this example includes an item display 171i representing each setting item of the radio receiver 1, a setting display 171s representing each setting content (setting variable), and a selection target. A cursor display 171c or the like representing is displayed in order according to a pre-programmed procedure.

  The operation unit 172 includes a selection button 172a for switching the display position of the cursor display 171c, a decrement button 172b for subtracting the setting variable of the setting display 171s, an increment button 172c for adding the setting variable, a selection item, And a confirm button 172d for confirming the setting contents.

Next, in the radio receiver 1 configured as described above, a time-shift broadcast setting method for time-shifting the broadcast content recorded in the record time frame to the playback time frame will be described with reference to FIGS. explain.
First, as shown in FIG. 2, the item display 171i “1 time shift setting” is selected and confirmed on the function selection screen displayed on the display unit 171, and the time shift broadcast setting screen is displayed as shown in FIG. Transition.

  As shown in FIG. 3, when the item display 171i “reception channel” is selected and confirmed, the cursor display 171c moves to a channel number setting display 171s for specifying a reception channel (the state shown in FIG. 3). In this state, by appropriately operating the decrement button 172b and the increment button 172c, a number representing the target reception channel is input as the channel selection data.

  Subsequently, by selecting the item display 171 i “shift source”, each setting display 171 s (numbers arranged in the lower row of the item display 171 i “shift source” in the figure) representing the number specifying the date. ) Is aligned with the cursor display 171c. In this state, the year, month, and day numbers are input by operating the decrement button 172b and the increment button 172c. Further, as in the setting of the date, the start time Trs and the end time Tre of the record time frame are input. In this example, shift source time data representing a record time frame is input by the above operation procedure. The same applies to the shift destination time data.

  In this example, the operation for setting the date and time frame has been described assuming broadcast content broadcast in a single shot, but instead, it is configured to set the day of the week and the time frame. May be. More preferably, it may be configured to selectively switch between date input and day of the week input.

  In this example, the shift destination time data and the shift source time data are continuously input and the data set is generated substantially simultaneously. Instead, the shift source time data is input and the broadcast content of the broadcast content is input. It is also possible to reserve the recording and input the shift destination time data after a schedule for listening or the like is determined at a later date to finally complete the data set.

Next, an operation in which the radio receiver 1 in which time shift data including a data set including the channel selection data, the shift source time data, and the shift destination time data is set records the record signal in the record time frame will be described with reference to FIG. Will be described.
First, in step S101, it is determined whether there is valid time shift data, that is, whether a record time frame is set. If valid time shift data is set, the process proceeds to step S102, and the start time Trs and end time Tre of the record time frame are captured. Further, in step S103, channel selection data specifying a reception channel in the record time frame is captured.

  In step S104, the current time Tc fetched from the timer means is determined. The standby state is maintained until the current time Tc reaches the head time Trs. On the other hand, when the current time Tc substantially coincides with the head time Trs, the process proceeds to step S105, and a reception channel is set based on the channel selection data.

Thereafter, until the current time Tc reaches the end time Tre (step S107), the reception channel is received, a demodulated signal is acquired, and recorded as a record signal (step S106). On the other hand, when the current time Tc has passed the end time Tpe (step S107), the process proceeds to step S108, where the reception of the reception channel is terminated and the recording of the record signal is terminated.
In this example, the broadcast content broadcast in the record time frame is stored by recording the record signal according to the above procedure.

Next, an operation in which the radio receiver 1 that has set time-shift broadcasting as described above presents the broadcast content stored in the record time frame while shifting it to the reproduction time frame and presents it will be described with reference to FIG.
First, in step S201, it is determined whether there is time shift data, that is, whether a playback time frame is set. If valid time shift data is set, the process proceeds to step S202, and the start time Tps and end time Tpe of the reproduction time frame are captured.

  In step S203, the state of the output switch is determined. When the output switch is in the OFF state, the process proceeds to step S214, and the current time Tc is determined. While the current time Tc reaches the end time Tpe, it waits for the output switch to be turned on. Meanwhile, when the current time Tc reaches 5 minutes before the start time Tps, the process proceeds to step S224, and the female voice saying “Time shift broadcasting will start in about 5 minutes” as a warning sound of the playback time frame. Announcing. This prompts the input switch to be turned on. On the other hand, if the current time Tc has already passed the end time Tpe in step S214, the process jumps to step S210 to delete the record signal scheduled to be played back in the playback time frame.

In step S203, when the output switch is in the ON state, the process proceeds to step S204, and the current time Tc is determined. If the current time Tc has not reached the top time Tps, the system waits in that state.
On the other hand, if the current time Tc has reached the start time Tps and before the end time Tpe, the process proceeds to step S205, and an analog audio signal based on the record signal (hereinafter simply referred to as appropriate) is used as the input signal of the output means. Set the record signal).

  In step S206, when starting the reproduction of the record signal, the reproduction start position of the record signal is set. More specifically, the reproduction start position is set at a position advanced by the offset time of (Tps−Tc) with reference to the head position of the record signal. In other words, in the radio receiver 1 of this example, when the output switch is turned on in the middle of the playback time frame, it is set so that listening is started in the middle of the broadcast content, as in real-time broadcasting. .

In step S207, the record signal is reproduced using the reproduction start position as the start position. Thereafter, until the current time Tc reaches the end time Tpe (step S208), the reproduction state of the record signal is maintained (step S207). On the other hand, when the current time Tc reaches the end time Tpe (step S208), the process proceeds to step S209, and the reproduction of the record signal is ended. In this example, thereafter, in step S210, the record signal is erased.
In this example, the broadcast content is time-shifted and presented by reproducing the record signal recorded in the semiconductor memory 13 in the reproduction time frame according to the above procedure.

  As described above, according to the radio receiver 1 of the present example, the real-time broadcast schedule can be rearranged to its own specifications. That is, the target broadcast content can be time-shifted within a playback time frame set to suit his or her convenience. Thereby, if the above radio receiver is used, it is possible to listen to the broadcast content of the radio broadcast extremely efficiently.

  The time length of the record time frame and the time length of the playback time frame may be the same time length or different time lengths. When the time length of the record time frame matches the time length of the playback time frame, the same playback speed as that of real-time broadcasting is realized in the playback time frame. On the other hand, when the time length of the reproduction time frame is made shorter than the time length of the record time frame, the record signal can be reproduced at a reproduction speed faster than that of the real-time broadcast, and the listening time can be shortened. For example, this is effective when a sufficient time for listening to broadcast content cannot be secured. When the time length of the playback time frame is made longer than the time length of the record time frame, the record signal can be played back at a slower playback speed than real-time broadcasting. For example, in the case of broadcast contents such as language broadcasting, there is an effect that it becomes easy to hear the pronunciation of a foreign language.

  In this example, the record signal is automatically deleted after the current time has passed the playback time frame. However, instead of this, broadcast reception is omitted in which the function of automatically deleting the record signal is omitted. It may be a device.

(Example 2)
This example is an example in which the broadcast content presentation method in the playback time frame is changed based on the radio receiver of the first embodiment. This will be described with reference to FIG.
This embodiment is different from the first embodiment in that the output switch is automatically turned on in the playback time frame to start playback of the record signal, and the output switch is automatically turned OFF after playback. Hereinafter, the contents of this example will be described mainly with respect to differences from the first embodiment.

  In this example, after fetching the start time Tps and end time Tpe of the playback time frame in step S302, the current time Tc is determined in step S303. If the current time Tc is before the start time Tps of the playback time frame, the process proceeds to step S314. Thereafter, when the current time Tc is 5 minutes before the start time Tps, a warning sound is generated as in the first embodiment (step S324). Here, the difference between this example and the first embodiment is that in this example, a warning sound is always generated 5 minutes before the start time Tps regardless of the setting state of the output switch. . Thereby, for example, preparation for the broadcast content scheduled in the playback time frame can be promoted even while listening to a real-time broadcast.

  When the current time Tc reaches the head time Tps (step S303), the process proceeds to step S304 to determine the state of the output switch. If the output switch is in the OFF state, the process proceeds to step S315, where the output switch is automatically set to the ON state, and a value “1” is set to the ON flag that is an internal variable. Then, the process proceeds to step S305 with the output switch being ON, and the record signal is set as the input signal of the output means. Subsequently, in step S306, the start position of the record signal is set as the reproduction start position of the record signal.

  Thereafter, as in steps S307 to S310, the record signal is reproduced, and the record signal is erased after the reproduction is completed. Thereafter, the process proceeds to step S311 to determine the ON flag. If the ON flag is “1”, it is determined that the output switch has been automatically turned on, and the original OFF state is automatically switched (step S312). On the other hand, when the ON flag is other than “1”, it is determined that the output switch has been turned on from the beginning, the output switch is left as it is, and the demodulated signal is input to the output signal after the reproduction time frame has elapsed. Is set (step S322).

As described above, the radio receiver 1 of the present example automatically starts reproducing the record signal when the reproduction time frame comes. Therefore, it is possible to prompt the listener who has forgotten to set the playback time frame itself or misunderstood the time to listen to the stored broadcast content.
Other configurations and operational effects are the same as those in the first embodiment.

(Example 3)
This example is an example in which a function for storing a record signal reproduced in a reproduction time frame is added based on the radio receiver of the first embodiment. This will be described with reference to FIG. Hereinafter, the contents of this example will be described focusing on the differences from the first embodiment.
In this example, during the reproduction of the record signal in the reproduction time frame (step S407), the operation state of the erase cancel button is determined (step S419). If the delete cancel button is operated, the process proceeds to step S429, and the value “1” is set to the storage flag that is an internal variable.

  After the reproduction of the record signal (step S409), the storage flag is determined in step S410 before the record signal is deleted (step S411). Only when the storage flag is “1”, the process bypasses step S411 and stops erasing the record signal.

As described above, according to the radio receiver of this example, it is possible to easily save the entire broadcast content by operating the cancel cancel button while listening to the broadcast content in the playback time frame. . In particular, in the radio receiver of this example, it is possible to judge whether or not it is worth saving by thoroughly examining the contents until the end of the broadcast content. Therefore, only broadcast contents that are truly useful to the user can be stored without waste.
Other configurations and operational effects are the same as those in the first embodiment.

Example 4
This example is an example in which time shift data is captured from the outside based on the radio receiver 1 of the first embodiment. This will be described with reference to FIG.
The radio receiver of this example is configured to be connected to an external PC (not shown) via USB. The time shift data input by the user on the external PC can be captured via the USB line.

  FIG. 8 shows a PC display screen 3 for generating time shift data to be input to the radio receiver. This PC display screen 3 includes a daily broadcast time table 30 (showing different days in the depth direction in FIG. 8) indicating broadcast schedule data of each reception channel (broadcast station), and one week of the listener. My schedule 31 representing the listening schedule is arranged on the left and right on the screen.

  The broadcast time table 30 is a two-dimensional chart that defines time in the vertical direction and broadcast stations in each column in the horizontal direction. On the two-dimensional chart, a plurality of frame objects 301 to which content data such as the start time, end time, and reception frequency of each broadcast content is assigned are arranged. The appearance is very similar to, for example, a newspaper TV column. The difference between the broadcast time table 30 and the television column in this example is that each column on the broadcast time table is described as a frame object 301 including the content data. As the broadcast time table 30, for example, an electronic program guide such as EPG (Electronic Program Guide) in television broadcasting can be used.

  On the other hand, the my schedule 31 is a two-dimensional time chart that defines time in the vertical direction and day of the week in the horizontal direction. This my schedule 31 is configured so that the frame objects 301 arranged in the broadcast time table 30 can be arranged freely. On the PC screen 3, the frame object 301 on the broadcast time table 30 is dragged and dropped at an arbitrary time position on an arbitrary day of the week on the My Schedule 31, for example, by a drag and drop operation using a mouse or the like. Record time frame and playback time frame can be set.

  The external PC refers to the content data of the frame object 301 arranged in the My Schedule 31 to capture each piece of broadcast content data to be time-shifted (channel selection data, shift source time data representing a record time frame, etc.). At the same time, based on the location of the frame object 301 on the two-dimensional time chart represented by the my schedule 31, the shift destination time data representing the reproduction time frame is captured.

As described above, in the radio receiver of this example, time shift data can be set very efficiently using an external PC connected via USB.
Other configurations and operational effects are the same as those in the first embodiment.
Furthermore, the user interface of this example may be incorporated in the radio receiver.

1 is a block diagram illustrating a configuration of a radio receiver in Embodiment 1. FIG. The front view which shows the display part which displays the function selection screen in Example 1. FIG. The front view which shows the display part which displays the time shift setting screen in Example 1. FIG. FIG. 3 is a flowchart showing a procedure for recording a record signal in the first embodiment. FIG. 3 is a flowchart showing a procedure for reproducing a record signal in the first embodiment. FIG. 9 is a flowchart showing a procedure for reproducing a record signal in the second embodiment. FIG. 9 is a flowchart showing a procedure for reproducing a record signal in the third embodiment. The front view which shows the PC display screen which displays the time shift data input screen in Example 4. FIG.

Explanation of symbols

1 Radio receiver (broadcast receiver)
11 Receiving means (tuner)
12 output means 13 first storage means (semiconductor memory)
14 control unit 15 timer means 16 second storage means (RAM)
17 User interface means 18 Switching means

Claims (9)

A broadcast receiving device that receives a broadcast transmitted according to a scheduled broadcast schedule and presents broadcast content to the outside,
Receiving means configured to receive the broadcast and obtain a demodulated signal;
First storage means for recording the demodulated signal as a record signal;
Shift source time data representing a record time frame that is a time zone for acquiring the demodulated signal to record the record signal, and shift destination time data representing a playback time frame that is a time zone for reproducing the record signal Second storage means for storing time shift data including a data set;
Timer means configured to output the current time representing the current time;
An output means configured to present the broadcast content by selectively inputting and reproducing the demodulated signal or the record signal;
Switching means for switching an input signal input to the output means,
The switching means sets the record signal as the input signal when the current time is within the reproduction time frame based on the time shift data, and the demodulation when the current time is outside the reproduction time frame. Configured to set the signal as the input signal,
The broadcast receiving apparatus, wherein the first storage means is configured to record the record signal when the current time is within the record time frame based on the time shift data.   2. The recording apparatus according to claim 1, wherein the first storage means is configured to delete the record signal corresponding to the reproduction time frame after the current time has passed the reproduction time frame. Broadcast receiving device.   3. The apparatus according to claim 2, further comprising an erasure cancel button for storing the record signal reproduced in the reproduction time frame, wherein the first storage means is configured to reproduce the record signal during reproduction of the record signal in the reproduction time frame. The broadcast is configured to delete the record signal corresponding to the playback time frame after the current time has passed the playback time frame, except when an erase cancel button is operated. Receiver device.   The broadcast receiving device according to any one of claims 1 to 3, wherein the broadcast receiving device includes an output switch for turning on and off the operation of the output means, and the current time is within the reproduction time frame. A broadcast receiving apparatus, wherein an output switch is set to an ON state to reproduce the record signal.   The broadcast receiving device according to any one of claims 1 to 3, further comprising an output switch for turning on and off the operation of the output means, the current time being within the reproduction time frame, and A broadcast receiving apparatus, wherein the record signal is reproduced when the output switch is set to an ON state.   6. The method according to claim 5, wherein when a predetermined elapsed time has elapsed from the start time of the reproduction time frame and the output switch is turned on when the current time is in the middle of the reproduction time frame, A broadcast receiving apparatus characterized in that a time point advanced by the predetermined elapsed time with reference to the head position of a record signal is set as a reproduction start position of the record signal.   7. The broadcast receiving apparatus according to claim 1, wherein the broadcast receiving apparatus is configured to receive two or more reception channels having overlapping record time frames and acquire the demodulated signal, respectively. The broadcast receiving apparatus is characterized in that the first storage means is configured to record the record signals respectively corresponding to the demodulated signals in parallel.   The broadcast according to any one of claims 1 to 7, further comprising notice means configured to present notice information when the current time is a predetermined time before the reproduction time frame. Receiver device. 9. The structure according to claim 1, wherein the output means changes a speed at which the record signal is reproduced in accordance with a ratio of a time length between the record time frame and the reproduction time frame. A broadcast receiving apparatus characterized by that.

Images