JP2000152108A - Signal processing unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To momentarily output audio information and visual information even when another broadcast program is selected. SOLUTION: The signal processing unit is provided with an input means that receives plural broadcast program information signals that are sectioned into broadcast programs, a decoding means 1000 that decodes plural broadcast program information signals received by the input means 2000 altogether, a selection means 105 that selects prescribed broadcast program information from plural broadcast program information signals, which are decoded altogether by the decoding means 1000 based on a command, and a signal output means that outputs the broadcast program information selected by this selection means 105.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signal processing apparatus for processing audio information or visible information in which one group is composed of a plurality of blocks.

[0002]

2. Description of the Related Art FIG. 9 is a schematic block diagram showing a schematic configuration of a receiving apparatus using a conventional general signal processing apparatus, FIG. 10 is a flowchart showing the operation of FIG. 9, and FIG. FIG. 4 is an explanatory diagram relating to a structure of received data received by the device and outputting audio / visual information.

In FIG. 9, reference numeral 1 denotes an antenna unit, 2 denotes a tuner unit, and 3 denotes a signal output from the tuner unit 2 by AD.
This is an A / D converter for conversion.

[0004] Reference numeral 4 denotes a guard interval remover for removing a guard interval provided in the received signal on the transmitting side, and 5 denotes an output signal of the guard interval remover 4 for F.
FFT processing section for performing FT (Fast Fourier Transform) processing, 6 is a deinterleave processing section for deinterleaving the output signal of the FFT processing section 5, and 7 is error correction processing for performing error correction processing of the output signal of the deinterleave processing section 6. Department.

The guard interval processing unit 4, F
Each of the FT processing unit 5, the deinterleave processing unit 6, and the error correction processing unit 7 is configured to receive a control signal from a control unit 13 (described later).

Reference numeral 8 denotes a decoding processing unit for decoding the output signal of the error correction processing unit 7, and reference numeral 9 denotes a speaker as audio output means for outputting the audio signal decoded by the decoding processing unit 8 as audio.

Reference numeral 10 denotes a visible information extracting unit for extracting visible information from the output signal of the error correction processing unit 7, and reference numeral 11 denotes a display unit for displaying the visible information extracted by the visible information extracting unit 10.

Reference numeral 12 denotes an operation unit as operation means for selecting a broadcast program to be selected. Reference numeral 13 denotes a control signal for selecting and controlling a desired broadcast program based on an operation from the operation unit 12, a guard interval processing unit 4, A control unit that outputs to each of the FFT processing unit 5, the deinterleave processing unit 6, and the error correction processing unit 7.

Next, the operation of the conventional example will be described with reference to FIG. First, a frequency is selected by the operation unit 12 (step 901) and received by the tuner unit 2 (step 90).
2) If received, the microcomputer (not shown) determines whether or not there has been an operation to select a broadcast program from the operation unit 12 (step 903).

Here, the configuration of the received signal and the selection operation in step 903 will be described with reference to FIG. (A)
Is a configuration of a received signal. The received signal is composed of a reference symbol (REF.) A, an information symbol (FIC) B, and a main signal symbol (MSC) C.
Has broadcast programs 1 to 5.

FIG. 1B shows that when a selection operation is performed in step 903, only broadcast program information corresponding to the selection operation (FIG. 1)
0 indicates that desired broadcast program information is extracted so as to output the broadcast program 2) to the guard interval remover 4. After this extraction, the processing of steps 904 to 908, which will be described later, is performed. I have.

In FIG. 10, when it is determined in step 903 that an operation has been performed (for example, an operation of selecting broadcast program 2 as shown in FIG. 11), only the broadcast program information (for example, broadcast program information 2) set in step 903 is transmitted. The guard interval processing unit 4 removes the guard interval (Step 904), and after the processing of Step 904, the FFT processing unit 5 performs the FFT processing (Step 905).

After the processing in step 905, the deinterleave processing unit 6 performs deinterleave processing (step 9).
06), after the process of step 906, the error correction processing unit 7 performs an error correction process (step 907).

After the processing in step 907, the decoding processing unit 8 performs a decoding process (step 908). After the processing in step 908, the audio signal is output from the speaker 9, and the visible information processing unit 10 The information is displayed on the display unit 11 (step 909), and after the processing of step 909,
Returning to step 901, the process is repeated.

If no data is received in step 902 and if it is determined in step 903 that there is no selection operation, the process returns to step 901 to repeat the processing.

[0016]

Since the conventional signal processing apparatus is configured as described above, when the broadcast program information is output as audio or visual information as shown in FIG. Information must be selected and subjected to guard interval processing, FFT processing, deinterleaving processing, and error correction processing before decoding processing. When a broadcast program is switched, it is output again as audio information or visible information. However, there is a problem that it takes a long time to complete the process and the convenience of the apparatus is reduced.

Further, there has been a problem that broadcast program information of a certain past cannot be output instantaneously as audio information or visible information, and the convenience of the apparatus is poor.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem. In a receiving apparatus for receiving a plurality of pieces of broadcast program information divided for each broadcast program, even when the broadcast program is switched, audio information and visible information are not changed. It is an object of the present invention to obtain a signal processing device capable of performing output instantaneously.

Another object of the present invention is to provide a signal processing apparatus capable of instantaneously outputting audio information and visible information even in a broadcast program of a certain past.

[0020]

A signal processing apparatus according to the present invention comprises a group of at least two pieces of information among a plurality of pieces of information divided for each content of information, and preliminarily assigns each piece of information to a predetermined piece of information. A conversion means for converting the form by taking a predetermined processing time and temporarily storing the information; a selection means for selecting predetermined information from one group of information temporarily stored by the conversion means based on a command; And signal output means for outputting predetermined information.

Further, in the signal processing device according to the present invention, the signal output means is constituted by audio output means for outputting audio information converted by the conversion means from information formed by audio data as audio.

Further, in the signal processing apparatus according to the present invention, the signal output means is constituted by a display means for displaying the visible information converted by the conversion means from the information formed by the visible data.

Furthermore, the signal processing device according to the present invention is
Receiving means for receiving a plurality of pieces of information divided for each content of information is provided, and the converting means sets at least two or more pieces of information received by the receiving means as one group, and pre-divides each piece of information into predetermined information. The format requires a predetermined processing time and is converted and temporarily stored.

Further, the signal processing apparatus according to the present invention includes a reproducing means for reproducing a storage medium storing a plurality of pieces of information divided for each content of the information, and the converting means includes a reproducing means for reproducing the information reproduced by the reproducing means. At least two or more pieces of information are grouped into one group, and each piece of information is converted into a predetermined information format in a predetermined processing time and stored temporarily.

Further, the signal processing device according to the present invention is provided with operating means for outputting a command signal to the selecting means so that the selecting means selects desired information based on an operation.

Furthermore, the signal processing device according to the present invention
When the input information is the compressed information, the selecting means performs a decompression process on the predetermined information after selecting the predetermined information.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a schematic configuration diagram of a receiving apparatus which is an example of a signal processing apparatus according to Embodiment 1, and FIG. 2 is a configuration of a reception signal of FIG. 1 and decoding of decoding means. FIG. 3 is a flow chart showing the operation of the receiving apparatus shown in FIG.

Here, the DAB (Digital Audio) described in the embodiment of the present invention as an example of a receiving apparatus.
(Broadcasting) will be described. DAB
The transmission signal is subjected to transmission path coding after digitally converting an analog audio signal and compressing the data. At this time, processing such as addition of an error correction code is also performed.

Next, after interleaving on the time axis,
A multiplexing process is performed together with other data, and interleaving is performed on the frequency axis. Delay detection is performed on the data interleaved on this frequency axis to determine the phase difference between consecutive symbols, and this difference value is QPSK modulated (DQP
SK (Differential Quadratur)
e Phase Shift Keying)). When performing DQPSK modulation, a guard interval is set on the time axis in order to remove a delayed signal caused by multipath.

Next, in order to minimize the effects of fading and multipath on DQPSK modulated data, an OFDM (Orthogonal Fr.
equipment Division Multiplex
: Orthogonal frequency division multiplexing (OFDM) modulation, and this OFDM converts transmission data from serial to parallel and then inverse FFT (Fast Fourier Tr).
transform and perform multiplexing processing so as to be orthogonal to each other.

In FIG. 1, reference numeral 1 designates an antenna, and 2 extracts a predetermined frequency signal from a broadcast wave received by the antenna 1, that is, a plurality of broadcasts divided for each broadcast program as shown in FIG. A tuner section as a receiving means for receiving program information 2031 to 2035 (including a reference symbol 201 and an information symbol 202 when receiving), the tuner section 2 includes a control signal output from a control section 109 (described later). Is entered.

Here, the input means 2000 for inputting a plurality of pieces of broadcast program information delimited for each broadcast program is, in the first embodiment, an antenna 1, a tuner 2
It consists of:

Reference numeral 3 denotes an A / D conversion unit for performing A / D conversion on a reception signal obtained by tuning in the tuner unit. Reference numeral 101 denotes an A / D conversion unit.
Interval remover 102 for removing a guard interval set on the time axis of an output signal from
The purpose is to correct the deviation of the time axis of the output signal from the guard interval removing unit 101 based on the reference time axis,
FF that performs FFT processing for the purpose of removing multipath interference from the output signal from guard interval removal section 101
It is a T processing unit.

Reference numeral 103 denotes a deinterleave processing unit that performs deinterleave processing on the time axis and deinterleave processing on the frequency axis for the output signal from the FFT processing unit 102, and 104 denotes an output from the deinterleave processing unit 103. This is an error correction processing unit that performs error correction processing on signals.

It is to be noted that at least two or more pieces of information among a plurality of pieces of broadcast program information divided for each content of the plurality of pieces of broadcast program information received by the tuner section 2, As a group, the decoding unit 1000 as a conversion unit for converting each information into a predetermined information form in advance in a predetermined processing time (for example, 500 ms) and temporarily storing the converted information includes a guard interval removing unit 101, an FFT It comprises a processing unit 102, a deinterleave processing unit 103, and an error correction processing unit 104.

105 is a decoding means 100 based on the instruction.
0 selects predetermined broadcast program information from the temporarily stored broadcast program information of one group, that is, the error correction processing unit 104 via the control unit 109 (each described later) based on the selection operation of the operation unit 108. Is a selection processing unit as selection means for selecting desired broadcast program information from the output signal of the above.

The signal output means (not shown) for outputting the broadcast program information selected by the selection processing section is a part of the selection processing section.

When the output signal selected by the selection processing unit 105 is an audio signal, a decoding unit 106 performs a decoding process, that is, a decompression process of a compressed signal. This is a speaker that outputs the processed audio information as audio.

On the other hand, reference numeral 107 denotes a visible information processing unit for extracting visible information from the output signal selected and processed by the selection processing unit 105, and reference numeral 11 denotes a display unit for displaying the visible information processed by the visible information processing unit 107.

A command 108 outputs a command signal to the selecting means based on the operation so that the selecting means selects the desired broadcast program information, that is, an operation of setting a tuning frequency to the tuner unit 2 and a receiving signal. Is an operation unit as an operation unit for performing an operation of selecting desired broadcast program information included in the operation unit 108. A predetermined command signal is output based on the operation of the operation unit 108.

A control unit 109 controls the tuner unit 2 based on the command signal output from the operation unit 108 and controls the selection processing unit 105 for selection processing.

Here, the configuration of the received signal and the processing of the selection processing unit 105 will be described with reference to FIG. First, as shown in (a), the received signal of DAB is a reference symbol 201.
, And an information symbol 202 and a main signal symbol 203.

Reference numeral 201 denotes a reference symbol (REF.) Storing information such as a synchronization channel, and 202 denotes multiplexed information, ie, audio information, program information, and service information (S.
I: Service Information (FIC) and a high-speed information channel (FIC: Fast Inf)
information symbol (hereinafter referred to as FIC) storing an operation channel (MSC), and a main signal symbol (MSC: Main Service Channel) storing a broadcast program based on actual audio information or visible information.
1), and the main signal symbol 203 is composed of information of, for example, broadcast programs 1 to 5 (2031 to 2035) having different contents.

Next, as shown in (b), the received DAB
Is decoded by the A / D converter 3, the guard interval remover 101, the FFT processor 102, the deinterleave processor 103, and the error correction processor 104. In addition,
The decryption is performed by broadcasting program information 1 (203
1) to broadcast program information 5 (2035) are all targeted and are collectively processed.

Further, by selecting operation of the operation unit 108,
The selection processing unit 105 is controlled via the control unit 109. As a result, only the broadcast program information selected by the selection processing unit 105 is decompressed.

Next, the operation will be described with reference to FIG.
First, the operation is started by turning on the power to the apparatus (step 300), a tuning frequency is selected by the operation unit 108 (step 301), and whether the tuner unit 2 has received the tuning frequency selected in step 301 is determined. A decision is made (step 302).

Next, when it is determined in step 302 that the received signal has been received, one group of the received signal (in the case of FIG.
The main signal symbol 20 of the reference symbol 201, the information symbol 202, and the main signal symbol 203).
3, that is, the guard interval removing unit 101 performs processing to remove guard intervals set in all of the broadcast program information 1: 2031 and the broadcast program information 5: 2035 (step 303).

After the processing of step 303, since the inverse FFT conversion processing has been performed on all of the broadcast program information 1: 2031 to broadcast program information 5: 2035, the FFT processing is performed (step 304). After the processing of 304, the broadcast program information 1: 2031 to the broadcast program information 5:20
Since the interleave processing has been performed on all of the blocks 35, the deinterleave processing is performed (step 305).

Next, after the processing of step 305, the broadcast program information 1: 2 based on the error correction codes set in all of the broadcast program information 1: 2031 to the broadcast program information 5: 2035.
031-broadcast program information 5: 2035 error correction processing is performed (step 306).

Here, the microcomputer unit (not shown) determines whether or not an operation of selecting broadcast program information has been performed from the operation unit 108 (step 307). If it is determined in step 307 that an operation has been performed, the operation unit 108 , A broadcast program corresponding to the broadcast program information selected and operated is extracted, and the microcomputer unit determines whether or not the extracted broadcast program is audio information (step 308).

Next, if it is determined in step 308 that the information is audio information, decoding processing, that is, decompression processing of the compressed data is performed (step 309), and the audio information processed in step 309 is output from the speaker as audio. (Step 310). After the processing of step 310, step 3
01 and the process is repeated.

If it is determined in step 302 that the data has not been received, the process returns to step 301 to repeat the processing. If it is determined in step 307 that there is no selection operation, the process returns to step 307 again to be in a state of waiting for a setting operation.

Further, if it is determined in step 308 that the information is not audio information, the visible information processing section 107 determines that the information is visible information, and extracts the visible information of the broadcast program selected in step 307 (step 311). Is displayed on the display unit 11 (step 3).
12). After the processing of step 312, step 301
And repeat the process.

Therefore, the above-mentioned structure is adopted, and the switching operation of the selectable broadcast program is performed before the selection operation processing. Therefore, when a predetermined broadcast program is switched, it is output again as audio or visual information. Conversion processing time until
That is, the decryption processing time can be reduced, the convenience of the apparatus is improved, and the convenience of the user is improved.

Embodiment 2 FIG. 4 is a schematic configuration diagram of a receiving device as a signal processing device according to Embodiment 2, and FIG. 5 is a flowchart showing an operation of the receiving device of FIG. Here, the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 401 denotes a storage unit for storing audio information processed by the decoding processing unit 106 based on an operation on the operation unit 108. The audio information stored in the storage unit 401 is transmitted to the operation unit 108. Based on the operation, the data is sent to the decoding processing unit and output from the speaker 9 as audio.

Next, the operation will be described with reference to FIG. First, the operation is started by turning on the power to the apparatus (step 500), and a tuning frequency is selected by the operation unit 108 (step 301). After the processing of step 301,
Since the same processing as in FIG. 3 is performed up to step 309, the description is omitted.

After the processing in step 309, the control section 109 stores the audio information decoded by the decoding processing section 106 in the storage section 401 (step 501). After the processing in step 501, the audio information is stored in the storage section 401. The control unit 109 determines whether or not an operation to output voice information by voice has been performed on the operation unit 108 (step 502). If it is determined in step 502 that an operation has been performed, the storage unit 40
Then, the audio information stored in 1 is output from the speaker 9 as audio (step 503). After the process of step 503, the process returns to step 301 and the process is repeated.

If there is no operation in step 502,
After being received by the tuner unit 2, the audio information selected by the selection processing unit 105 is output as audio from the speaker 9 (step 504). After the processing of step 504, the process returns to step 301 and repeats the processing.

Further, if it is determined in step 308 that the information is not audio information, the visible information processing unit 107 extracts visible information (step 505), and after the processing in step 505, returns to step 301 and repeats the processing.

Therefore, with the above configuration, even in the case of a past broadcast program, audio information and visible information can be output instantaneously, and a broadcast program that has not been selected by the user at the time of reception can be selected later. Thus, the convenience of the device is improved and the convenience of the user is also improved.

Embodiment 3 In the second embodiment described above, the storage unit 401 is configured to store only the audio information processed by the decoding processing unit 106. However, the storage unit 401 stores the audio information processed by the decoding processing unit 106 together with the visible information processing unit 1
The visible information processed in step 07 may also be configured to be stored, and the same effect is obtained. The visible information processing unit 10
It goes without saying that only the visible information processed in step 7 may be stored.

Embodiment 4 FIG. 6 is a schematic configuration diagram of a receiving device as a signal processing device according to Embodiment 4, and FIG. 7 is a flowchart showing an operation of the receiving device of FIG. Here, the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

When the output signal subjected to the error correction processing by the error correction processing section 104 is audio information, a decoding processing section, that is, a decoding processing section for performing decompression processing of a compressed signal, and 602 is an error correction processing section 104. When the output signal subjected to the error correction processing is visible information, it is a visible information processing unit that processes the output signal as visible information.

As the decryption means 6000, a guard
In addition to the interval removing unit 101, the FFT processing unit 102, the deinterleave processing unit 103, and the error correction processing unit 104, the decoding unit 601 and the visible information processing unit 602 are configured.

That is, up to the processing of the decoding processing unit 601 and the visible information processing unit 602, the broadcast programs 1 to 3 shown in FIG.
5 are processed at once.

603 is based on the instruction,
000 selects predetermined broadcast program information from a plurality of broadcast program information decoded in a lump, that is, based on the selection operation of the operation unit 108, the decoding processing unit 6 via the control unit 109.
01 is a selection processing unit as selection means for selecting desired broadcast program information from the output signal of 01 or the output signal of the visible information processing unit 602.

Further, after the selection processing in the selection display section 603, the audio information is output from the speaker 9 if it is audio information, and is displayed on the display section 11 if it is visible information.

Next, the operation will be described with reference to FIG. First, the operation is started by turning on the power to the apparatus (step 700), and a tuning frequency is selected by the operation unit 108 (step 301). After the processing of step 301,
Since the same processing as in FIG. 3 is performed up to step 306, description thereof will be omitted.

After the processing in step 306, the microcomputer unit (not shown) determines whether or not the information processed in step 306 is audio information (step 701). In step 701, it is determined that the information is audio information. In this case, the decoding processing unit 601 performs decoding processing on the signal output from the error correction processing unit 104, that is, decompression processing of the compressed data (step 70).
2).

Next, after the processing of step 702, the operation unit 1
From 08, the microcomputer unit (not shown) determines whether or not a broadcast program information selection operation has been performed (step 703). If it is determined in step 703 that an operation has been performed, the operation unit 10
A broadcast program corresponding to the broadcast program information selected and operated in step 8 is extracted, and the extracted broadcast program is output as audio from a speaker (step 704). This step 70
After the process of 4, the process returns to step 301 and the process is repeated.

If it is determined in step 701 that the signal is not audio information, the visible information processing section 602 processes the signal output by the error correction processing section 104 into visible information (step 705). After the processing of step 705, the operation unit 108
The microcomputer unit (not shown) determines whether or not a broadcast program information selection operation has been performed (step 706). If it is determined in step 706 that an operation has been performed, the broadcast program information selected and operated by the operation unit 108 is displayed. The corresponding broadcast program is extracted, and the control unit 109 controls the display unit 11 to display the extracted visible program (step 707).

After the processing of step 707, step 3
01 and the process is repeated. If it is determined in step 703 that there is no operation, the process returns to step 703 again to enter the operation standby state. Further, when it is determined in step 706 that there is no operation, the process returns to step 706 again, and
Enters the operation standby state.

Therefore, with the above-described configuration, even when both audio information and visible information are present, the combined output of the audio information and the visible information can be performed, so that the convenience of the apparatus is further improved. And the convenience of the user is further improved.

Embodiment 5 FIG. In the above-described first to fourth embodiments, the receiving unit, that is, the tuner unit (including the antenna) has been described as the input unit 2000. However, the input unit 2000 in the fifth embodiment is shown in FIG. Means for reproducing a storage medium storing a plurality of pieces of broadcast program information divided for each broadcast program, ie, a DVD
(Digital Video Disc) or CD (Co
The storage medium reproducing unit 801 may use a storage medium such as a compact disc (compact disc).

With the above configuration, desired program information can always be output as audio information or visible information only by changing the storage medium, so that the processing time can be reduced and the convenience of the apparatus can be reduced. Also improve.

Embodiment 6 FIG. In the first to fifth embodiments described above, the visible information is described. However, the visible information may be any information such as character (kana, kanji, alphabet, numbers, etc.) information and graphic information.

Embodiment 7 FIG. Embodiments 1 to 6 described above
Then, the main signal symbol 20 shown in FIG.
3, that is, all of the broadcast program information 1: 2031 to the broadcast program information 5: 2035 has been described. However, at least two or more pieces of the broadcast program information may be decrypted instead of all of them.

With the above configuration, the processing speed of the apparatus can be prevented from lowering even if the decoding means having a relatively low processing speed is used, so that the degree of freedom in design is improved and the convenience of the apparatus is improved. Is improved.

[0080]

Since the present invention is configured as described above, it has the following effects.

At least two pieces of information among a plurality of pieces of information divided for each content of information are taken as one group, and each piece of information is converted into a predetermined information form in advance, requires a predetermined processing time, and is temporarily stored. A conversion unit, a selection unit that selects predetermined information from one group of information temporarily stored by the conversion unit based on the command, and a signal output unit that outputs the predetermined information selected by the selection unit. In addition, even when a broadcast program is switched, audio information and visible information can be output instantaneously, the processing speed at the time of selection is improved, the convenience of the apparatus is improved, and the convenience of the user is also improved.

Further, since the signal output means is constituted by the sound output means for outputting the sound information converted by the converting means from the information formed by the sound data as sound, the sound recognition can be performed, and the convenience of the apparatus is improved. .

Further, since the signal output means is constituted by a display means for displaying the visible information converted by the converting means from the information formed by the visible data, the visible information can be recognized and the convenience of the apparatus is improved.

Further, receiving means for receiving a plurality of pieces of information divided for each content of information is provided, and the converting means sets at least two or more pieces of information received by the receiving means as one group and sets each information in advance. Is converted into a predetermined information form with a predetermined processing time and temporarily stored, so that audio output and visible information based on real-time received information can be output, further improving the convenience of the apparatus. improves.

Further, a reproducing means for reproducing a storage medium storing a plurality of pieces of information divided for each content of information is provided, and the converting means converts at least two or more pieces of information reproduced by the reproducing means into one group. Since each piece of information is converted into a predetermined information form in a predetermined processing time and stored temporarily in advance, it is possible to output audio output and visible information based on the storage content of the storage medium. Therefore, the convenience of the device is further improved.

Further, since operation means for outputting a command signal to the selection means so that the selection means selects desired information based on the operation is provided, the user can perform desired operation. The convenience of is improved.

Further, when the input information is compressed information, the selection means performs the decompression processing on the predetermined information after the selection processing of the predetermined information, so that the processing speed at the time of selection is improved. And the convenience of the device is further improved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a signal processing device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram illustrating a configuration of a reception signal of the signal processing device illustrated in FIG. 1 and a decoding procedure of a decoding unit.

FIG. 3 is a flowchart illustrating an operation of the signal processing device illustrated in FIG. 1;

FIG. 4 is a schematic configuration diagram of a signal processing device according to a second embodiment of the present invention.

5 is a flowchart showing an operation of the signal processing device shown in FIG.

FIG. 6 is a schematic configuration diagram of a signal processing device according to a third embodiment of the present invention.

FIG. 7 is a flowchart illustrating an operation of the signal processing device illustrated in FIG. 6;

FIG. 8 is a schematic configuration diagram of a signal processing device according to a fifth embodiment of the present invention.

FIG. 9 is a schematic configuration diagram showing a conventional signal processing device.

FIG. 10 is a flowchart showing the operation of a conventional signal processing device.

FIG. 11 is an explanatory diagram illustrating a configuration of a received signal of a conventional signal processing device and a decoding procedure of a decoding unit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Antenna 2 Tuner part 3 A / D conversion part 4 Guard / interval removal part 5 FFT processing part 6 Deinterleave processing part 7 Error correction processing part 8 Decoding processing part 9
Speaker 10 Visible information processing unit 11 Display unit 12 Operation unit 13 Control unit
101 guard interval remover 102 FFT processor 103 deinterleave processor 104 error correction processor 105 selection processor 106 decoding processor
107 visible information processing unit 108 operation unit 109 control unit 401 storage unit 601 decryption processing unit 602 visible information processing unit 603 selection processing unit
801 Storage medium reproducing unit 1000 Decoding means 2000 Input means 6
000 decryption means

Claims (7)

[Claims] 1. A method in which at least two pieces of information among a plurality of pieces of information divided for each content of information are grouped into one group, each piece of information is converted into a predetermined information form in advance and requires a predetermined processing time, and temporarily converted. Conversion means for storing; selecting means for selecting predetermined information from the one group of information temporarily stored by the conversion means based on a command; signal output means for outputting the predetermined information selected by the selection means. Signal processing equipment. 2. The signal processing apparatus according to claim 1, wherein the signal output means comprises audio output means for outputting, as audio, audio information converted by the conversion means from information formed by audio data. . 3. The signal processing apparatus according to claim 1, wherein the signal output means is constituted by a display means for displaying the visible information converted by the conversion means from the information formed by the visible data. 4. A receiving means for receiving a plurality of pieces of information divided for each content of information, and the converting means sets at least two pieces of information received by the receiving means as one group, and 4. The signal processing apparatus according to claim 1, wherein each of the information is converted into a predetermined information format in a predetermined processing time and temporarily stored. 5. A reproducing means for reproducing a storage medium storing a plurality of pieces of information divided for each content of information, and the converting means stores at least two pieces of information among the pieces of information reproduced by the reproducing means in one group. 4. The method according to claim 1, wherein each information is previously converted into a predetermined information form and requires a predetermined processing time, and is temporarily stored.
The signal processing device according to any one of the above. 6. An operating means for outputting a command signal to said selecting means so that said selecting means selects desired information based on an operation is provided. The signal processing device according to claim 1. 7. When the input information is compressed information, the selection means
7. A decompression process is performed on the predetermined information after the predetermined information is selected.
The signal processing device according to any one of the above.