JP2000183835A - Method and device for sending, method and device for reception, and method and system for transmission - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily obtain audio data of music, etc., or image data of a movie, etc., sent as a program of radio broadcasting, television broadcasting, etc. SOLUTION: The sending device 1 starts broadcasting data of an EMD link needed to obtain some pieces of music as the main broadcast of music starts, and also starts broadcasting station information on the broadcast and data of the jacket photograph of the music as the main broadcast starts. The data broadcast which is thus sent is received by a use terminal 3 and the EMD link, broadcast station information, and jacket photograph data are stored.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a transmission method and a transmission device, a reception method and a reception device, and a transmission method and a transmission system. In particular, for example, a transmission method and a transmission device, a reception method, a reception method, and the like, which make it possible to easily obtain audio data such as a song as a program broadcasted by a radio broadcast or a television broadcast, or image data such as a movie. The present invention relates to a receiving device, a transmission method, and a transmission system.

[0002]

2. Description of the Related Art For example, a program broadcast in a radio broadcast or the like can be received by a radio receiver.

[0003]

By the way, in a radio broadcast, if a program is a song program, a song as the program is broadcast (transmitted) as a broadcast signal. Here, the broadcast signal may include the sound of an announcer (disc mug), sound effects, jingles, etc., and accordingly, the music itself (for example, a CD (Compact) for sale)
Discs and the like that do not include any sound other than the music (hereinafter referred to as official music data as appropriate) can be said to be related to the broadcast signal, and can therefore be referred to as related data.

[0004] The user may select a tune broadcast in a radio broadcast (other than the tune, which may include noise that can be regarded as noise in the official tune data such as the sound of an announcer (hereinafter referred to as broadcast tune data as appropriate). ) With a radio receiver, and you may want to like the song. In this case, there is a method of purchasing a CD in which the song (official song data) is recorded at a store.

[0005] However, in order to purchase a CD in which a song desired by the user is recorded (stored), the user needs to know the title, the name of the singer, and the like.
For example, in the case of a new song, the user often does not know the title or the like. In a radio broadcast, an announcer generally introduces the title of a song, a singer's name, and the like.

Therefore, in the so-called visible radio broadcasting which has started broadcasting in recent years, in addition to the broadcast of a broadcast signal as an original program (hereinafter, referred to as a main broadcast as appropriate), additional information added to the broadcast signal is added. Is broadcast by data broadcasting. The additional information by data broadcasting may include the title of the song or the name of the singer, and therefore, the user can recognize the title or the name of the singer by looking at the display of the additional information. However,
With the additional information broadcast in the visible radio broadcast, there are cases where it is difficult for the user to obtain the official music data and where the relevance to the broadcast cannot be understood.

The present invention has been made in view of such a situation. For example, audio data such as music as a program broadcasted by radio broadcasting or television broadcasting, or image data such as a movie, is It is an object to make it easily available.

[0008]

In order to solve the above problems, the present invention is a transmission method for transmitting a predetermined broadcast signal together with predetermined additional information, and specifies a broadcast station transmitting the broadcast signal. A configuration step of arranging broadcast station information and acquisition information necessary to acquire related data related to the broadcast signal for configuring the additional information,
Transmitting the broadcast signal, and transmitting the additional information in which the broadcast station information and the obtained information on the related data related to the broadcast signal are arranged at least once during the transmission. And a transmitting step. Also, a transmitting apparatus for transmitting a predetermined broadcast signal together with predetermined additional information, for obtaining broadcast music information for specifying a broadcast station transmitting the broadcast signal and related data related to the broadcast signal Arranging the necessary information in the, and constituting means for configuring the additional information, and transmitting the broadcast signal, during the transmission, while the broadcast station information and the broadcast signal related to the broadcast signal The acquisition information on the related data includes transmitting means for transmitting the arranged additional information at least once.

[0009] Further, there is provided a receiving method for receiving a predetermined broadcast signal together with additional information in which acquisition information necessary for acquiring relevant data related to the broadcast signal is provided, wherein the broadcast signal and the additional information are received. A receiving step of receiving, and an information storing step of storing, when a predetermined input is made, broadcast station information obtained from the broadcast signal or the additional information and the obtained information arranged in the additional information. It is characterized by.

[0010] Further, there is provided a receiving apparatus for receiving a predetermined broadcast signal together with additional information in which acquisition information necessary for acquiring related data relating to the broadcast signal is provided, wherein the broadcast signal and the additional information are received. Receiving means for receiving, and information storage means for storing, when a predetermined input is made, broadcast station information obtained from the broadcast signal or the additional information and the obtained information arranged in the additional information It is characterized by.

Further, the present invention relates to a transmission method for a transmission system, comprising: a transmitting device for transmitting a predetermined broadcast signal together with predetermined additional information; and a receiving device for receiving the broadcast signal together with the additional information. Is a configuration step of arranging broadcast station information for specifying a broadcast station transmitting the broadcast signal and acquisition information necessary for acquiring related data related to the broadcast signal to configure the additional information And transmitting the broadcast signal, and transmitting the additional information in which the obtained information about the related data related to the broadcast signal is arranged at least once during the transmission. A receiving step of receiving the broadcast signal and the additional information; and receiving the broadcast signal or the additional information when a predetermined input is received. Characterized in that it comprises an information storing step of storing said obtained information placed on the additional information and the broadcast station information obtained from the broadcast.

Further, the present invention provides a transmission system comprising: a transmitting device for transmitting a predetermined broadcast signal together with predetermined additional information; and a receiving device for receiving the broadcast signal together with the additional information. A configuration unit that arranges broadcast station information for specifying a broadcast station transmitting a broadcast signal and obtainment information necessary to obtain related data related to the broadcast signal, and configures the additional information, A transmitting means for transmitting the broadcast signal and transmitting the additional information, in which the obtained information about the related data related to the broadcast signal is arranged at least once, while transmitting the broadcast signal, A receiving device for receiving the broadcast signal and the additional information; and a broadcast station obtained from the broadcast signal or the additional information when a predetermined input is received. Characterized in that it comprises an information storage means for storing said obtained information placed on broadcast and the additional information.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A transmission method and a transmission apparatus, a reception method and a reception apparatus, and a transmission method and a transmission apparatus according to the present invention will be described below with reference to the accompanying drawings.
Before that, in order to clarify the correspondence between each means of the invention described in the claims and the following embodiments, an example of the corresponding embodiment is added in parentheses after each means. Then, the features of the present invention will be described.

That is, a transmitting apparatus according to claim 18 is a transmitting apparatus for transmitting a predetermined broadcast signal together with predetermined additional information, and includes broadcast music information for specifying a broadcast station transmitting the broadcast signal. Transmission means for arranging acquisition information necessary for acquiring relevant data related to a broadcast signal and configuring additional information (for example, the synchronization adjustment circuit 55 and the MUX 58 shown in FIG. 6) and transmitting the broadcast signal In addition, while the transmission is being performed, the broadcast station information and the obtained information about the related data related to the broadcast signal are transmitted by the transmitting means (for example, FIG. 6) for transmitting the arranged additional information at least once. , Etc.).

According to a twentieth aspect of the present invention, there is provided an error detecting / correcting means for performing processing for error detection or error correction on additional information (for example, an ECC circuit 15 shown in FIG. 3).
Is further provided. The receiving apparatus according to claim 49, wherein the receiving apparatus receives a predetermined broadcast signal together with additional information in which acquisition information necessary for acquiring relevant data related to the broadcast signal is provided. And receiving means for receiving additional information (for example, FIG.
And a digital radio tuner 22 shown in FIG. 1 and information storage means for storing broadcast station information obtained from a broadcast signal or additional information and obtained information arranged in the additional information when a predetermined input is made (for example, FIG. Storage 6 shown in 7
4).

[0016] The receiving apparatus according to claim 50 is further provided with temporary storage means (for example, a memory 161 shown in FIG. 7) for temporarily storing a broadcast signal received by the receiving means. A receiving device according to claim 51, wherein the receiving device temporarily stores the additional information received by the receiving device (for example, a RAM (Random Access Memory) shown in FIG. 4)
26A). The receiving device according to claim 60 further includes an output unit (for example, the speaker 29 and the display device 30 illustrated in FIG. 4) that outputs obtained information.

[0017] The receiving apparatus according to claim 64 further comprises an output means (for example, a speaker 29 or a display device 30 shown in FIG. 4) for outputting information useful for recognizing the contents of the related data. And The receiving device according to claim 65, wherein, when the related data is stored in a predetermined database, an acquiring unit (for example, an acquiring unit that acquires the related data stored in the database based on the broadcast station information and / or the obtained information) , A download processing unit 65 shown in FIG. 7). 66. The receiving apparatus according to claim 66, wherein when the related data stored in the database is encrypted, the acquiring means also acquires a decryption key for decrypting the related data (for example, FIG. Download processing unit 6 shown in
5).

[0018] The receiving device according to claim 67 is a decoding device for decoding related data based on a decoding key (for example,
(E.g., a decoder 68 shown in FIG. 7). A transmission system according to claim 69, comprising: a transmission device that transmits a predetermined broadcast signal together with predetermined additional information; and a reception device that receives a broadcast signal together with the additional information. A configuration unit that arranges additional information by arranging broadcast station information for specifying a broadcast station transmitting a broadcast signal and acquisition information necessary for acquiring related data related to the broadcast signal (for example, FIG. 6, a synchronization adjustment circuit 55 and a MUX 58), and while transmitting the broadcast signal, during transmission, at least one additional information in which acquisition information on related data related to the broadcast signal is arranged. Transmission means (for example, the synchronization adjustment circuit 55 shown in FIG. 6)
The receiving device includes a receiving unit (for example, the digital radio tuner 22 shown in FIG. 4) for receiving the broadcast signal and the additional information, and receives a predetermined input from the broadcast signal or the additional information. An information storage means (for example, a storage 64 shown in FIG. 7) for storing the obtained broadcast station information and the obtained information arranged in the additional information is provided. Of course, this description does not mean that each means is limited to the above.

FIG. 1 shows a bookmark radio (BMR (Book Mark Radio)) system to which the present invention is applied (a system is a system in which a plurality of devices are logically assembled. Or not) is shown. The transmission device 1 functions, for example, as a broadcasting station for digital radio broadcasting, and performs digital radio broadcasting via, for example, terrestrial waves as a transmission medium 2.

The digital radio broadcast performed by the transmitting device 1 is composed of a main broadcast and a data broadcast, and data of the main broadcast (hereinafter, referred to as main broadcast data as appropriate) includes music broadcast as a general program. Data (broadcast song data) and sponsor advertisements (so-called commercials)
Data is included. In addition, data by data broadcasting (hereinafter, appropriately referred to as data broadcasting data) includes:
Sample audio and jacket photo data, text data, EMD (Electric Music Distribution)
The data includes links, compressed and encrypted data, and still image coupon data.

These main broadcast data and data broadcast data are received by the user terminal 3. The user terminal 3
For example, it is composed of a portable or stationary radio receiver, an on-vehicle radio receiver (so-called car audio device), etc., and receives the main broadcast data from the transmission device 1 and outputs it as audio. Further, the user terminal 3 receives the data broadcast data, and outputs or displays the data broadcast as necessary.

That is, the data broadcast data includes a sample sound provided to the user as a sample, such as a start portion or a so-called rust portion, of a song broadcast in the main broadcast data. ing. The data broadcast data includes, for example, a jacket photo of a CD or the like, a photograph of a singer singing the song (artist photograph), and a song of the song broadcasted in the main broadcast data. The title, the name of the singer, and text data as the name of the record company (production company) are included. Further, the data broadcast data includes compressed and encrypted data obtained by compressing and encrypting official music data corresponding to broadcast music data.

The user terminal 3 receives such data broadcast data, and displays a jacket picture, a song title, a singer's name, or the like, or outputs a sample voice or the like in accordance with a user operation. The user listens to the broadcast song data of the main broadcast and, when interested, operates the user terminal 3 so as to add a so-called bookmark (to put a bookmark in the book). Furthermore, when listening to the broadcast song data, or after listening to it, listening to a sample sound, etc., and wanting the official song data of the song, a decryption key for decrypting the compressed and encrypted data The user terminal 3 is operated to request the user. In response to the request, the user terminal 3 sends to the EMD server 5 of the EMD service provider that manages and distributes the official music data,
Request a decryption key.

That is, the EMD included in the data broadcast data
The link includes, for example, an IP (Internet Protocol) address of the EMD server 5 and a URL (Uniform Resource Locator) as access information used to access a providing place that provides official music data. Furthermore, it is also conceivable to include a database for each broadcast station. Based on this EMD link, the user terminal 3
It accesses the EMD server 5 and requests a decryption key for decrypting the compressed and encrypted data.

When receiving the request for the decryption key from the user terminal 3, the EMD server 5 performs necessary accounting processing and transmits the decryption key to the user terminal 3 via the Internet 4. At this time, a part of the broadcast station information may be provided together. The user terminal 3 receives the decryption key from the EMD server 5, and uses the decryption key to decrypt the compressed and encrypted data into official music data (compressed). Thereby, the user can obtain the official music data.

On the other hand, the EMD server 5 manages the official music data as described above, and provides the user terminal 3 with a decryption key, and also provides the user station 3 with the broadcast station (transmitting apparatus 1). It provides song data transmitted as broadcast data and its compressed and encrypted data. EMD server 5
Performs a charging process for collecting a price for providing a decryption key (eventually, official song data). By this billing process, from the user's bank account or credit company at a later date,
The purchase price of the official song data is deducted. Billing may be performed using a prepaid card or the like.

It should be noted that the data for data broadcasting may not include all of the above-mentioned data due to the transmission capacity of the transmission medium 2. In this case, the compressed and encrypted data is not included in the data for data broadcasting. Can be excluded. When the data for data broadcasting does not include the compressed and encrypted data, the user terminal 3 requests the EMD server 5 to request the compressed and encrypted data to be decrypted by the decryption key together with the decryption key. 5 can cause the user terminal 3 to transmit the decryption key and the compressed and encrypted data.

The data for data broadcasting can include broadcast station information. The broadcast station information is different from the broadcast station name and the unique ID given to each broadcast station (of course, depending on terrestrial TV, BS broadcast, sky perfect TV, CS broadcast such as direct TV, FM radio broadcast, digital radio broadcast). ) Or a channel number (how many channels on a television) or a frequency (80.
0 MHz: FM Tokyo).

The broadcast station information includes information that does not need to be included in transmission data at the time of transmission, such as a channel number and a frequency, and information that is included in transmission data, such as a broadcast station name and a broadcast station ID. As shown in FIG. 1, there is a case where the broadcast is included in the main broadcast, a case where the broadcast is included in the data broadcast, or a case where both are included. In each of these cases, the configuration of transmission and reception changes.

In the above-described case, the EMD server 5 is made to perform the charging process. However, the charging process is performed by a dedicated charging server 6 for performing the charging process as shown by a dotted line in FIG.
May be provided, and the charging server 6 may perform this.

If the data for data broadcasting does not include the compressed and encrypted data (it does not matter if the data is included), for example, a record store, a video shop, a convenience store, a station store, etc. It is possible to install a transfer device for transferring the compressed and encrypted data and the decryption key at a store or other places. In this case, if the user goes to the place where the transfer device is installed, the user can obtain the compressed encrypted data and the decryption key in exchange for the price.

In the EMD link, a store selling a CD or the like on which a song broadcasted in the main broadcast is recorded (for example, a store name of the store, a branch name, etc.) is described. You can do so. In this case, by displaying (outputting) the EMD link on the user terminal 3, the user recognizes the store selling the CD in which the desired music is recorded, and goes to purchase the CD. (Access to stores).

Next, FIG. 2 shows a transmission format of the main broadcast data and the data broadcast data by the transmitting apparatus 1 of FIG. Here, in Japan, about 400 kbps
(Kilobits per second) as one segment, and MPEG (Moving Picture Experts Gr.)
oup) Digital radio broadcasting will be performed using AAC (Advanced Audio Coding), and FIG. 2 shows a transmission format when such digital radio broadcasting is adopted.

In FIG. 2, the main broadcast data is MPEG A
It is compressed by AC into a stereo signal of about 128 kbps to 144 kbps and transmitted. Among the data broadcast data, the compressed and encrypted data is obtained by converting the official music data to ATRAC (Adaptive Transform Acoustic Coding) 2.
, And then encrypted by a predetermined method, and its transmission rate is about 250 kbps. When broadcasting station information is included at the time of transmission, it may be included in the header section as shown in FIG. Once a broadcast station is set, it will watch that station for a while, so data frame 1
There is no need to send repeatedly during a song as in the cyclic bookmark section.

The main broadcast data and data broadcast data are:
Each frame is transmitted in time synchronization in a predetermined frame unit. Hereafter, the frame of the main broadcast data or the data broadcast data will be referred to as a music frame or a data frame, respectively, as appropriate.

Now, assuming that a program from the start of transmission of a certain song to the end of the transmission is one program, the main broadcast data of one program has a required number of music frames after a header, and finally, An EOF (End Of File) is arranged and configured. In addition, the data broadcast data of the program includes the same number of data frames as the music frames constituting the main broadcast data, and lastly, the EOF. Then, the music frame and the corresponding data frame are transmitted simultaneously in synchronization.

The data frame is periodically transmitted from its head to a sync (synchronization signal) used for detection of the data frame, and to each frame, for example, a frame number assigned to a sequence, and a program broadcast of one. A one-frame cyclic bookmark part (hereinafter, appropriately referred to as a bookmark part) in which data is arranged, and a plural-frame complete part (hereinafter, appropriately referred to as a basic part) in which a plurality of data frames are collected and completed. ECC (Error Correcting Cod) for error correction or detection.
e: Error Checking Code).

In the bookmark section, information (obtainment information) necessary to obtain the official music data of the music broadcast in the main broadcast is arranged. That is, in the bookmark portion, for example, a 60-bit ISRC (International Standard Recording Code) as unique unique information added uniquely to the official song data of the song broadcasted in the main broadcast
Are arranged. Further, the bookmark section includes, for example, a song name (title) of the song or a singer name (singer) of the singing singer as recognition information useful for recognizing the content of the official song data of the song broadcasted in the main broadcast. The artist name), the company name (recording company name) of the record company (production company) to which the singer belongs, and the like are also arranged. further,
In the bookmark section, a providing location (the EMD shown in FIG. 1) that provides the official music data of the music broadcast in the main broadcast.
An EMD link (EMD Link) as access information used to access the server 5 or a store that sells a CD storing official music data is also arranged.

The same information is arranged in the bookmark section of each data frame constituting one program. Therefore, the information arranged in the bookmark section is such that the main broadcast program is extremely short. Unless it ends in time,
Transmitted periodically multiple times.

For example, the following audio data, image data, text data, and other data are arranged in the completion section. That is, as the audio data, for example, compressed and encrypted data obtained by compressing and encrypting the above-mentioned official music data, and sample audio are arranged. Further, as described later, jingle data, announcer's voice, difference data for improving sound quality, overlap data, and the like may be arranged as described later.

As the image data, for example, a jacket photograph of a CD or the like on which official song data is recorded, a photograph of a singer singing the song (artist photograph), data of a still image coupon, and the like are arranged.

As the text data, for example, the title of the song, the name of the singer, the name of the record company, the episode of the singer, the latest information, etc., which are useful for recognizing the contents of the official song data, are arranged. Therefore, in the present embodiment, although somewhat redundant, the title of the song, the name of the singer, and the like may be arranged in both the bookmark portion and the complete portion. As other data, data on sales promotion for advertisement, data for advertisement, and the like are arranged.

Here, the data arranged in the bookmark section or the complete section is hereinafter referred to as bookmark data or data broadcast content, respectively, as appropriate.

In FIG. 3, the channel for data broadcasting is one channel, but the channel for data broadcasting is two channels, and one of the channels is used to store the data arranged in the bookmark section. 1
It is also possible to simultaneously transmit the data broadcast contents arranged in the complete part on the channel No.

Next, FIG. 4 shows an example of the configuration of the transmitting apparatus 1 constituting the broadcasting station shown in FIG. The microphone 11 receives announcer sound (DJ (disc mug) sound), which is converted into an audio signal as an electric signal and supplied to the signal processing unit 13. The signal processing unit 13 is also supplied with data stored in the storage 12. That is, the storage 12 is supplied with the data of the music used for the main broadcast (it may be official music data), the compressed and encrypted data used for the data broadcast, the jacket photograph, and the like from the EMD server 5 and stored therein. The data is supplied to the signal processing unit 13 as needed. Further, the signal processing unit 13 includes an advertisement or a publicity sound (a so-called commercial:
Advertisement sound) and broadcast station information are also supplied.

The signal processing unit 13 performs signal processing on the data supplied thereto, thereby generating a music frame in which main broadcast data is arranged and a data frame in which data broadcast data is arranged. The music frame of the main broadcast data or the data frame of the data broadcast data is
Supplied to the ECC circuit 14 or 15 respectively.
Is supplied to the MUX (multiplexer) 16.

In the MUX 16, main broadcast data and data broadcast data are multiplexed, and the resulting multiplexed data is supplied to the digital modulation circuit 17. The digital modulation circuit 17 applies, for example, a QPSK (Quadrature Phase Shift K) to the multiplexed data from the MUX 16.
eying) and QAM (Quadrature Amplitude Modulation)
) And the modulated signal obtained as a result is supplied to the transmitter 18. Transmitter 18
Then, the modulation signal from the digital modulation circuit 17 is subjected to amplification and other necessary processing, and transmitted as a radio wave from the antenna 19.

Next, FIG. 5 shows a configuration example of the user terminal 3 of FIG. As described above, the radio wave transmitted from the transmitting device 1 is received by the antenna 21, and the received signal is supplied to the digital radio tuner 22. The digital radio tuner 22 receives a reception signal from the antenna 21, detects a reception signal of a predetermined channel under the control of the reception control unit 22 </ b> A, and supplies the detection signal to the digital demodulation circuit 23. Digital demodulation circuit 2
Reference numeral 3 digitally demodulates the output of the digital radio tuner 22 and outputs the resulting multiplexed data to a DMUX (demultiplexer) 24.

The demultiplexer 24 separates the multiplexed data from the digital demodulation circuit 23 into main broadcast data and data broadcast data. The main broadcast data or data broadcast data is supplied to the ECC circuit 25 or 26, respectively. The ECC circuit 25 or 26 performs error detection or correction processing on the main broadcast data or the data broadcast data, and supplies the result to the signal processing unit 27.

Here, the ECC circuit 26 is provided with a DMUX 24
The processing is performed after temporarily storing the data broadcast data from the RAM 26A. And RA
The M26A has, for example, at least a storage capacity capable of storing data of one data frame as shown in FIG. 2, and each time a new data frame is received from the DMUX 24, The old data frame is deleted (the oldest data frame is updated with a new data frame).

For example, when the user carries the user terminal 3 or when the user terminal 3 is mounted on an automobile, reception of radio waves from the transmitting device 1 is temporarily stopped in a tunnel or the like. May be interrupted. Even in such a case, the RAM 26A temporarily stores the data broadcast data so that the user terminal 3 can use the data in the bookmark portion of the data frame.

Whether the reception of the radio wave from the transmitting apparatus 1 is interrupted in time is determined by, for example, whether the frame number (FIG. 2) of the data frame is continuous, or whether the EO signal is received.
The determination can be made based on whether F has been received, or on the level of the radio wave.

The signal processing section 27 performs predetermined signal processing on the main broadcast data or data broadcast data from the ECC circuit 25 or 26, respectively. Then, the main broadcast data is supplied to a D / A (Digital / Analog) converter 28, and after being D / A converted, supplied to a speaker 29 and output. Also, of the data broadcast data, data that can be output as audio is output from the speaker 29 as necessary in the same manner as the main broadcast data. Further, displayable data of the data broadcast data is supplied to the display device 30 and displayed as necessary.

The operation section 31 is operated by the user in a predetermined case. An operation signal corresponding to the operation of the operation unit 31 is supplied to the signal processing unit 27, and the signal processing unit 27 performs a predetermined process according to the operation signal. That is, for example, when the operation unit 31 is operated to request a decryption key, the signal processing unit 27 controls the modem 32 to establish a link with the EMD server 5 via the Internet 4. Establish and request decryption key. Further, the signal processing unit 27 receives the decryption key transmitted from the EMD server 5 via the modem 32 in response to the request.

Broadcast station information is shown in FIG.
It is available at the three locations indicated by C. 99
A is a frequency (channel) locked at the time of tuning from the digital radio tuner 22, and has a style having information (correspondence table) of the corresponding broadcast station name and broadcast station ID. Also, 99B obtains the broadcast station information from the decoded main broadcast data, and 99C obtains the broadcast station information from the data broadcast data. The broadcast station information becomes effective information for accessing the database together with the obtained information such as the EMD link. If a database is configured in advance for a broadcasting station, high-speed and reliable access is possible. Also, once the broadcast station information is stored, it may be retained until the channel is changed.

Next, FIG. 5 shows an example of the configuration of the EMD server 5 of FIG. The database 41 stores the official music data of the music managed by the EMD service provider, ISRC, jacket photo data, artist photo data, compressed and encrypted data of the official music data, a decryption key for the decryption, broadcast station information Etc. are stored, of which,
What is used in the main broadcast and the data broadcast is supplied to the transmitting device 1 of the broadcast station.

On the other hand, the modem 43 controls communication via the Internet 4. When a request for a decryption key is transmitted from the user terminal 3, the modem 43 receives the request and sends it to the control unit 42. Supply. When receiving the request for the decryption key, the control unit 42 controls the accounting processing unit 44 to perform the accounting process. Further, the control unit 42
The requested decryption key is read from the database 41 and transmitted to the modem 43. When receiving the request for the compressed encrypted data together with the request for the decryption key, the control unit 42 reads out the compressed encrypted data from the database 41 and causes the modem 43 to transmit the data.

Next, FIG. 6 shows a configuration example of the signal processing unit 13 in the transmitting apparatus 1 of FIG. The amplifier 51 is supplied with the DJ audio from the microphone 11 in FIG. 3. The amplifier 51 amplifies the audio signal and supplies it to an A / D (Analog / Digital) converter 52. It has been made like that. The A / D converter 52 includes an amplifier 51
A / D conversion of the analog audio from the A / D converter produces digital audio data, which is supplied to the mixer 53. The mixer 53 is also supplied with data (here, digital data) such as songs, advertisements, jingles, and broadcast station information, which constitute the main broadcast data, in addition to the DJ audio. By mixing these sounds, main broadcast data is formed and supplied to the data compression unit 54.
The data compression unit 54 outputs the output of the mixer 53 to, for example, M
The data is compressed by the PEG method and supplied to the synchronization adjustment circuit 55.

The synchronization adjustment circuit 55 includes a data compression unit 54
In addition to the main broadcast data, bookmark data, broadcast station information, and the output of the MUX 58 are also supplied. Then, the synchronization adjustment circuit 55 calculates, from the bookmark data, the broadcast station information, and the output of the MUX 58,
It is configured to constitute data broadcast data. Further, the synchronization adjustment circuit 55 forms a music frame in which the main broadcast data is arranged and a data frame in which the data broadcast data is arranged, and synchronizes and outputs them.

Note that the synchronization adjustment circuit 55 includes a memory 55A.
The memory 55A is configured to temporarily store bookmark data for one program (song). The synchronization adjustment circuit 55 stores the data frame of the data broadcast data of a certain program in the memory 55A,
By arranging the bookmark data for the program, the same bookmark data is arranged in the bookmark portion of each data frame constituting the program.

The data compression section 56 stores audio data (for example, as described above,
The data compression unit 56 compresses the audio data supplied thereto by, for example, the ATRAC2 method, and supplies the compressed audio data to the MUX 58. ing. Among the audio data, for example, the compressed and encrypted data is
The audio data that has already been compressed by the ATRAC2 method or the like, and thus already compressed,
6 to be supplied to the MUX 58 as it is.

The data compression section 57 stores image data (eg, jacket photograph, artist photograph, still image coupon data, etc.) in the data broadcast contents.
Is supplied, and the data compression unit 57
Converts the image data supplied thereto into, for example, JPEG
(Joint Photographic Experts Group) method and the like, and supply it to the MUX 58.

The MUX 58 is supplied with text data and other data of the data broadcast contents in addition to the outputs of the data compression units 56 and 57, and the MUX 58 receives the data supplied thereto. The broadcast content is multiplexed and supplied to the synchronization adjustment circuit 55. It should be noted that text data and other data are also compressed and then MUX
58.

Next, FIG. 7 shows a configuration example of the signal processing unit 27 in the user terminal 3 of FIG. ECC of FIG.
The main broadcast data from the circuit 25 is supplied to a data decompression unit 61. The data decompression unit 61 decompresses the main broadcast data and supplies it to the D / A converter 28 in FIG. Has been made.

The data broadcast data from the ECC circuit 26 shown in FIG. 4 is supplied to the DMUX 62. The DMUX 62 separates the data broadcast data into bookmark data and data broadcast contents. It has been made like that. In addition, the DMUX 62 displays data broadcast contents in displayable data (hereinafter, appropriately referred to as display data), broadcast station information, sample audio,
The data is separated into compressed and encrypted data and supplied to the selector 63 together with the bookmark data.
Here, the broadcast station information may be processed as a part of the bookmark data.

The selector 63 has a memory 63A, and temporarily stores the output of the DMUX 62 in the memory 63A. Further, the selector 63
According to the operation of the operation unit 31 of FIG. 4, one of the data stored in the memory 63A is selected and supplied to the display device 30 of FIG. Or have been made. The display device 30 basically stores display data (for example, a song title (song name), an artist name (singer name), a jacket photo, etc.)
Basically, bookmark data, broadcast station information, sample audio, compressed and encrypted data, and the like are supplied.

The storage 64 stores bookmark data, broadcast station information, sample audio, compressed and encrypted data, etc. supplied from the selector 63. Further, the storage 64 stores the download processing unit 6
5 is also stored. Here, the storage 64 can be built in the user terminal 3, but can also be configured with a memory card or the like that is easily removable. When the storage 64 is a memory card or the like, FIG.
As described in the above, the memory card is convenient to carry when the user takes the memory card to a store and receives the compressed encrypted data and the decryption key.

The download processing unit 65 includes the operation unit 31
Is operated to request the download of the decryption key and the compressed and encrypted data, and controls the modem 32 of FIG.
The request for the download is made. The personal information storage unit 66 stores the user's name, address, telephone number, credit card number, or bank account information as the user's personal information necessary for the accounting process performed when downloading the decryption key and the compressed and encrypted data. It stores numbers and the like. This personal information is transmitted together with the request when the download processing unit 65 requests the download of the decryption key or the compressed and encrypted data.

The reproduction control section 67 reproduces the data stored in the storage 64 and supplies the data to the decoder 68. When the compressed encrypted data and the decryption key are supplied from the reproduction control section 67, the decryptor 68 decrypts the compressed encrypted data using the decrypted key, and converts the compressed official music data obtained as a result. , And to the data decompression unit 69. Further, when the sample sound is supplied from the reproduction control section 67, the decoder 68 supplies the sample sound to the data decompression section 69 as it is.

When the formal music data and sample voice supplied from the decoder 68 are compressed and input, the data decompression unit 69 expands the compressed formal music data and sample voice to obtain the D / A of FIG. The power is supplied to the converter 28. When the display data supplied from the selector 63 is compressed, the data expansion unit 70 expands the compressed display data and supplies the display data to the display device 30. Note that the data decompression units 69 and 70
When the data supplied thereto is not compressed, the data is output as it is.

The case where the present invention is applied to radio broadcasting has been described above, but the present invention can also be applied to television broadcasting and the like. When the present invention is applied to a television broadcast, other than providing image data such as a movie broadcasted by the television broadcast (if the service for providing audio data is the EMD service as described above, Is a service that provides E
For example, in a television broadcast, when a certain scene of game software is broadcast, it is possible to provide the game software (computer program). In addition, the present invention can be applied to, for example, a service for providing book data (for example, so-called electronic book data).

In this embodiment, terrestrial waves are used as the transmission medium 2 in FIG. 1. However, the transmission medium 2 may be a satellite line, the Internet, a CAT, or the like.
A V (Cable Television) network or the like can be adopted. Further, in the present embodiment, compressed and encrypted data obtained by encrypting official music data and data obtained by encrypting data for generation are provided, but the official music data and data for generation are not encrypted. It is also possible to provide. Also,
In the present embodiment, the decryption key and the like are provided for a fee, but may be provided free of charge.

Further, in the present embodiment, a predetermined input is given to the signal processing unit 27 by operating the operation unit 31 of FIG. For example, it is also possible to provide a predetermined input by voice. However, in that case, a voice recognition device that performs voice recognition is required. Further, in the present embodiment, bookmark data is transmitted periodically by arranging it in the bookmark portion of the data frame. However, it is not always necessary to transmit bookmark data periodically.

[0074]

As described above, according to the transmission broadcast and transmission apparatus of the present invention, the broadcast station information for specifying the broadcast signal and the acquisition information necessary for acquiring the relevant data related to the broadcast signal. Are arranged, additional information is configured, a broadcast signal is transmitted, and during the transmission, the broadcast station information and acquisition information about related data related to the broadcast signal are arranged. The additional information is transmitted at least once. Therefore, on the receiving side,
It is possible to grasp what information was obtained from which broadcasting station. That is, it is possible to more reliably receive the obtained information, and it is possible to easily obtain the related data based on the obtained information.

Further, according to the receiving method and the receiving apparatus of the present invention, the broadcast signal and the additional information in which the necessary information for obtaining the related data related to the broadcast signal are arranged are received, and the predetermined information is received. When an input is made, broadcast station information obtained from a broadcast signal or additional information and obtained information arranged in the additional information are stored. Therefore, the user
Related data can be easily obtained based on the broadcast station information and the obtained information.

Further, according to the transmission method and the transmission system of the present invention, additional information is arranged by arranging acquisition information necessary for acquiring related data related to a broadcast signal, and the broadcast signal is transmitted. At the same time, while the transmission is being performed, the additional information in which the obtained information on the related data related to the broadcast signal is arranged is transmitted a plurality of times.
On the other hand, when the broadcast signal and the additional information are received and a predetermined input is made, the obtained information arranged in the additional information is stored. Therefore, on the receiving side, the obtained information and the broadcasting station information of the transmission source can be reliably received.
Based on the broadcast station information and the obtained information, the related data is
It can be easily obtained. Also, since the bookmarked data is accompanied by broadcast station information, it is possible to know which station the data was playing on, so that it is easy to recall even if one forgets which song is based on only the title or the like. This is particularly effective in the satellite multi-channel era. Further, since the EMD service provider knows the broadcast station information, it can also know where the same song data has been accessed most frequently even when it is broadcast, so that it is suitable for grasping the audience and broadcasting advertisements. Conversely, it is also possible to distribute the charge collection amount to the broadcasting stations according to the number of accesses. In the case of a database that differs depending on the broadcasting station, E
MD access becomes easier.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration example of a bookmark radio system according to an embodiment of the present invention.

FIG. 2 is a diagram showing data formats of main broadcast data and data broadcast data.

FIG. 3 is a block diagram illustrating a configuration example of a transmission device according to the embodiment of FIG. 1;

FIG. 4 is a block diagram showing a configuration example of a user terminal according to the embodiment of FIG. 1;

FIG. 5 is a block diagram showing a configuration example of an EMD server according to the embodiment of FIG. 1;

FIG. 6 is a block diagram showing a configuration example of a signal processing unit of the transmission device in FIG. 3;

FIG. 7 is a block diagram showing a configuration example of a signal processing unit of the user terminal in FIG. 4;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Transmission device, 2 ... Transmission medium, 3 ... User terminal, 4 ... Internet, 5 ... EMD server, 6 ... Charging server, 1
DESCRIPTION OF SYMBOLS 1 ... Microphone, 12 ... Storage, 13 ... Signal processing part, 14, 15 ... ECC circuit, 16 ... MUX, 17 ...
Digital modulation circuit, 18 ... Transmitter, 19, 21 ... Antenna, 22 ... Digital radio tuner, 23 ... Digital demodulation circuit, 24 ... DMUX, 25, 26 ... ECC circuit, 26A ... RAM, 27 ... Signal processing unit, 28 ... D / A
Converter, 29 speaker, 30 display device, 31 operation unit, 32 modem, 41 database, 42 control unit, 43 modem, 44 billing processing unit, 51 amplifier,
52: A / D converter, 53: mixer, 54: data compression unit, 55: synchronization adjustment circuit, 55A: memory, 56, 57
... Data compression unit, 58 ... MUX, 61 ... Data decompression unit
62 ... DMUX, 63 ... selector, 63A ... memory, 6
4 storage, 65 download processing unit, 66 personal information storage unit, 67 playback control unit, 68 decoding unit, 6
9, 70 ... data decompression units, 99A, 99B, 99C ... broadcast station information (output), 151 ... mixer, 152 ... data compression unit, 153 ... encryption unit, 161 ... memory, 162 ... arithmetic unit.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Masahiro Nana, Inventor 6-7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Masayuki Obata 6-35, 7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Tatsuya Inokuchi 6-35, Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Corporation (72) Inventor Shuichi Ito 6-35, Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Inside the corporation

Claims (69)

[Claims] 1. A transmission method for transmitting a predetermined broadcast signal together with predetermined additional information, comprising: transmitting broadcast station information for specifying a broadcast station transmitting the broadcast signal; and related data related to the broadcast signal. A configuration step of arranging acquisition information necessary for acquisition and configuring the additional information, and transmitting the broadcast signal, while performing the transmission, the broadcast station information and the broadcast signal A transmitting step of transmitting the additional information in which the obtained information on the related data is arranged at least once. 2. The transmission method according to claim 1, wherein, in the transmitting step, the additional information in which the obtained information is arranged is transmitted periodically. 3. The transmission method according to claim 1, further comprising an error detection / correction processing step of performing processing for error detection or error correction on the additional information. 4. The transmission method according to claim 3, wherein the broadcast station information is a broadcast station name and / or unique information unique to the broadcast station. 5. The transmission method according to claim 1, wherein the obtained information includes unique information unique to the related data. 6. The transmission method according to claim 1, wherein the acquisition information includes recognition information useful for recognizing the content of the related data. 7. The transmission method according to claim 1, wherein the obtained information includes access information used to access a providing place providing the related data. 8. The transmission method according to claim 1, wherein when the additional information is transmitted in a predetermined unit, the additional information in the predetermined unit includes the obtained information. 9. The transmission method according to claim 1, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 10. When the image data or the audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 4. The transmission method according to Item 1. 11. The transmission according to claim 1, wherein, in the configuration step, in addition to the obtained information, information useful for recognizing the content of the related data is arranged to configure the additional information. Method. 12. The transmission method according to claim 1, wherein the broadcast station information includes access information used to access a database storing the related data. 13. The transmission method according to claim 1, wherein the obtained information includes access information used to access a database storing the related data. 14. The transmission method according to claim 13, wherein the obtained information includes unique access information unique to the related data in addition to the access information. 15. The unique information may be an ISRC (Internat
15. The transmission method according to claim 14, wherein the transmission method comprises a ional standard recording code). 16. In the configuration step, when the broadcast signal is a broadcast program of a song, the title of the song, the name of a singer who sings the song, and the name of a recording medium on which the song is recorded. The transmission according to claim 1, wherein the additional information includes a company name of a production company, a jacket photograph of the recording medium, a photograph of the singer, or a part of the song recorded on the recording medium. Method. 17. The method according to claim 17, wherein in the configuring step, when the broadcast signal is a predetermined image or sound, information for advertisement or promotion of the image or sound is included in the additional information. 2. The transmission method according to 1. 18. A transmission device for transmitting a predetermined broadcast signal together with predetermined additional information, comprising: broadcast song information for specifying a broadcast station transmitting the broadcast signal; and related data related to the broadcast signal. Arranging obtained information necessary for obtaining, and configuring means for configuring the additional information, and transmitting the broadcast signal, and during the transmission, the broadcast station information and the broadcast signal A transmission unit for transmitting the obtained additional information about the related data and the arranged additional information at least once. 19. The transmitting apparatus according to claim 18, wherein said transmitting means periodically transmits said additional information in which said obtained information is arranged. 20. The transmitting apparatus according to claim 18, further comprising an error detecting / correcting means for performing processing for error detection or error correction on the additional information. 21. The transmitting apparatus according to claim 18, wherein the broadcast station information is a broadcast station name and / or unique information unique to the broadcast station. 22. The transmitting apparatus according to claim 18, wherein the obtained information includes unique information unique to the related data. 23. The transmitting apparatus according to claim 18, wherein the acquisition information includes recognition information useful for recognizing the contents of the related data. 24. The transmitting apparatus according to claim 18, wherein the obtained information includes access information used to access a providing place providing the related data. 25. The transmitting apparatus according to claim 18, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 26. When the image signal or the audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 19. The transmitting device according to Item 18. 27. The transmitting apparatus according to claim 18, wherein the broadcast station information includes access information used to access a database storing the related data. 28. The transmitting apparatus according to claim 18, wherein the obtained information includes access information used to access a database storing the related data. 29. A receiving method for receiving a predetermined broadcast signal together with additional information in which acquisition information necessary for acquiring relevant data related to the broadcast signal is provided, wherein the broadcast signal and the additional information are received. A receiving step of receiving, and an information storing step of storing broadcast station information obtained from the broadcast signal or the additional information and the obtained information arranged in the additional information when a predetermined input is made. A receiving method characterized by the above-mentioned. 30. The receiving method according to claim 29, further comprising a temporary storing step of storing the broadcast signal received in the receiving step. 31. The receiving method according to claim 29, further comprising a temporary storing step of temporarily storing the additional information received in the receiving step. 32. The receiving method according to claim 29, wherein the broadcast station information is obtained by a channel set at the time of tuning for receiving the broadcast signal. 33. The additional information in which the obtained information on the related data related to the broadcast signal is arranged is transmitted a plurality of times while the broadcast signal is transmitted. A receiving method according to claim 29. 34. The receiving method according to claim 33, wherein the additional information is transmitted periodically. 35. In the obtaining information storage step,
34. The reception according to claim 33, wherein, among the additional information transmitted a plurality of times, the broadcast station information and / or the obtained information arranged in the case where the predetermined input is performed are stored. Method. 36. The receiving method according to claim 29, wherein in the information storing step, the information is stored when there is no error in the information or when the error has been corrected. 37. The broadcast station information includes a broadcast station name and / or
30. The receiving method according to claim 29, wherein the receiving method is unique information unique to a broadcasting station. 38. The receiving method according to claim 29, wherein the obtained information includes unique information unique to the related data. 39. The receiving method according to claim 29, wherein the acquisition information includes recognition information useful for recognizing the contents of the related data. 40. The receiving method according to claim 29, wherein the acquisition information includes access information used to access a providing place providing the related data. 41. The receiving method according to claim 29, further comprising an output step of outputting the obtained information. 42. The receiving method according to claim 29, wherein when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 43. In the case where image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 30. The receiving method according to Item 29. 44. The receiving method according to claim 29, wherein the additional information includes information useful for recognizing the contents of the related data in addition to the obtained information. 45. The receiving method according to claim 44, further comprising an output step of outputting information useful for recognizing the contents of the related data. 46. When the related data is stored in a predetermined database, the broadcast station information and / or
30. The reception method according to claim 29, further comprising an acquisition step of acquiring the related data stored in the database based on the acquisition information. 47. The method according to claim 46, wherein in the obtaining step, when the relevant data stored in the database is encrypted, a decryption key for decrypting the relevant data is also obtained. Receiving method described in. 48. The receiving method according to claim 47, further comprising a decrypting step of decrypting the related data based on the decryption key. 49. A receiving apparatus for receiving a predetermined broadcast signal together with additional information in which acquisition information necessary for acquiring related data related to the broadcast signal is provided, wherein the broadcast signal and the additional information are received. Receiving means for receiving, and information storage means for storing, when a predetermined input is made, broadcast station information obtained from the broadcast signal or the additional information and the obtained information arranged in the additional information A receiving device characterized by the above-mentioned. 50. The receiving apparatus according to claim 49, further comprising temporary storage means for temporarily storing said broadcast signal received by said receiving means. 51. The receiving apparatus according to claim 49, further comprising a temporary storage unit for temporarily storing said additional information received by said receiving unit. 52. The receiving apparatus according to claim 49, wherein said broadcasting station information and broadcast signal are obtained by a channel setting means at the time of reception. 53. The additional information in which the obtained information about the related data related to the broadcast signal is arranged is transmitted a plurality of times while the broadcast signal is transmitted. 50. The receiving device according to claim 49. 54. The receiving apparatus according to claim 53, wherein the additional information is transmitted periodically. 55. The acquisition information storage means, wherein, among the additional information transmitted a plurality of times, the acquisition information arranged in a case where the predetermined input is made, is stored. Item 54. The receiving device according to Item 53. 56. The receiving apparatus according to claim 49, wherein said information storage means further comprises an error detection or correction means. 57. The receiving apparatus according to claim 49, wherein said obtained information includes unique specific information uniquely added to said related data. 58. The receiving device according to claim 49, wherein the obtained information includes recognition information useful for recognizing the contents of the related data. 59. The receiving apparatus according to claim 49, wherein the obtained information includes access information used to access a providing place providing the related data. 60. The receiving apparatus according to claim 49, further comprising an output unit that outputs the obtained information. 61. The receiving apparatus according to claim 49, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 62. When image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 50. The receiving device according to item 49. 63. The receiving apparatus according to claim 49, wherein information useful for recognizing the contents of said related data is arranged in said additional information in addition to said obtained information. 64. The receiving apparatus according to claim 63, further comprising output means for outputting information useful for recognizing the contents of said related data. 65. An acquisition unit for acquiring the related data stored in the database based on the broadcast station information and / or the obtained information, when the related data is stored in a predetermined database. 50. The receiving device according to claim 49, comprising: 66. The apparatus according to claim 66, wherein the acquisition unit further includes an acquisition unit configured to acquire a decryption key for decrypting the related data when the related data stored in the database is encrypted. Claim 65
3. The receiving device according to claim 1. 67. The receiving device according to claim 66, further comprising a decrypting unit that decrypts the related data based on the decryption key. 68. A transmission method for a transmission system, comprising: a transmitting device that transmits a predetermined broadcast signal together with predetermined additional information; and a receiving device that receives the broadcast signal together with the additional information. Is a configuration step of arranging broadcast station information for specifying a broadcast station transmitting the broadcast signal and acquisition information necessary for acquiring related data related to the broadcast signal to configure the additional information. And transmitting the broadcast signal, and during the transmission, transmitting the additional information in which the obtained information on the related data related to the broadcast signal is arranged at least once. A receiving step of receiving the broadcast signal and the additional information; and receiving a predetermined input, the broadcast signal or the additional information. A transmission method, comprising: an information storage step of storing broadcast station information obtained from a broadcast and the obtained information arranged in the additional information. 69. A transmission system, comprising: a transmitting device that transmits a predetermined broadcast signal together with predetermined additional information; and a receiving device that receives the broadcast signal together with the additional information. A configuration unit for arranging broadcast station information for specifying a broadcast station transmitting a broadcast signal and obtainment information necessary for obtaining related data related to the broadcast signal, and configuring the additional information; And transmitting means for transmitting the broadcast signal and transmitting the additional information in which the obtained information about the related data related to the broadcast signal is arranged at least once while transmitting the broadcast signal, A receiving device that receives the broadcast signal and the additional information; and a broadcast station information obtained from the broadcast signal or the additional information when a predetermined input is received. A transmission system comprising: information storage means for storing information and the obtained information arranged in the additional information.