JP3875829B2 - Audio apparatus and music processing method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an audio apparatus and a music processing method that perform certain restrictions on recording of music to, for example, an HD (hard disk) and sending the recorded music for dubbing, and in particular, protects the copyright of the music. The present invention relates to an audio device and a music processing method.
[0002]
[Prior art]
In MD recording / playback equipment and audio recording / playback equipment equipped with IC memory, digital data is processed without analog data and dubbing is performed on the dubbing destination recording medium. From the limit.
[0003]
[Problems to be solved by the invention]
Conventional dubbing restriction technology rooted in copyright protection embeds digital watermark data in digital music data, or includes generation information in music data to prohibit dubbing for more than two generations. Etc., to craft the data. These measures are effective for MD and IC memory in which incidental information in addition to audio data is transmitted and recorded along with the dubbing, but the music is dubbed via an HD (hard disk). Is not valid.
[0004]
An object of the present invention is to provide an audio apparatus and a music processing method capable of effectively performing copyright protection for music when dubbing is performed via a large-capacity memory such as a hard disk.
[0005]
[Means for Solving the Problems]
According to the audio device of the first aspect of the present invention, a memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as “large capacity memory”) is recorded in the large capacity memory. The music data can be reproduced as appropriate, and the music data can be output in an analog or digital manner. In this audio apparatus, when the music is dubbed from the music source device to the large-capacity memory, the cases where the music data input from the music source device are respectively digital and analog are (a) and (b), respectively. , (A) or (b) is detected. When the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, the cases where the music data to be output to the recording device are digital and analog, respectively (c) and (d), c) or (d) is detected. When the music recorded in the large capacity memory and dubbed to the recording medium of the recording device becomes a dubbing history including both (a) and (c), the music data is deleted from the large capacity memory. Yes.
[0006]
Mass memory includes hard disks.
[0007]
Copyright protection is required in order to receive music data as digital data, record the digital data in a large-capacity memory, and record the recorded digital data on a recording medium of another recording device. This is the time when a song with a dubbing history including both (a) and (c) appears. In this audio apparatus, the music having such a dubbing history is deleted from the large-capacity memory, that is, the music has been moved from the large-capacity memory to the recording device, so that the copyright can be protected.
[0008]
According to the audio device of the second invention, in the audio device of the first invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device includes both (a) and (c). If it is not a dubbing history, the music data is digitally recorded in a temporary memory, and then the music data in the large capacity memory is updated by re-recording the music data in the temporary memory in the large capacity memory. Change to the current date.
[0009]
Music that does not become a dubbing history including both (a) and (c), that is, music that is dubbed in which analog data is involved in at least one of dubbing to and from a large capacity memory. In particular, there is no copyright problem with dubbing. Therefore, the music of such a dubbing history is recorded digitally in a temporary memory (usually a volatile RAM is adopted as the temporary memory), and then from the temporary memory to the large capacity memory. Re-recording is performed to update the update date of the file related to the digital data of the music in the large-capacity memory. By doing this, for songs that are frequently sent out, the update date is changed to the most recent date, so that the songs in the large-capacity memory are sorted by the update date, and the songs that are not frequently used are targeted for deletion. In this case, convenience can be given. In this audio apparatus, when the music in the large-capacity memory is updated by re-storing, not only the update date but also the update time can be updated.
[0010]
According to the audio device of the third invention, in the audio device of the first invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device includes both (a) and (c). When the dubbing history is not reached, the dubbing count measurement counter for the music is incremented by a predetermined number, and when the value of the dubbing count measurement counter exceeds the reference value, the corresponding music is deleted from the large-capacity memory.
[0011]
In this audio apparatus, when the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device does not become a dubbing history including both (a) and (c), the dubbing count measurement counter of the music is set. When the value of the dubbing count counter is incremented by a predetermined number (for example 1) and the value of the dubbing count measurement counter exceeds the reference value, the corresponding music is deleted from the large capacity memory. However, the dubbing of the music whose dubbing frequency reaches the reference value can be prevented thereafter.
[0012]
According to the audio device of the fourth aspect of the present invention, the memory device has a memory capacity of 5 gigabits or more and is capable of recording music with digital data (hereinafter referred to as “large capacity memory”) and recorded in the large capacity memory. The music data can be reproduced as appropriate, and the music data can be output in an analog or digital manner. In this audio apparatus, when a song is dubbed from a song source device to a large-capacity memory, the cases where the song data input from the song source device are digital and analog respectively are (a) and (b), respectively ( Whether a) or (b) is detected. When the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, the cases where the music data to be output to the recording device are digital and analog, respectively (c) and (d), c) or (d) is detected. When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is going to become a dubbing history including both (a) and (c), the dubbing from the large-capacity memory to the recording medium of the recording device is performed. Is to be canceled.
[0013]
If the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device has a dubbing history including both (a) and (c), the dubbing will be stopped. The copyright can be effectively protected against the dubbing of music via the capacity memory.
[0014]
According to the audio device of the fifth invention, in the audio device of the first to fourth inventions, the NAND memory is replaced with the large-capacity memory.
[0015]
The NAND memory includes a removable and / or portable nonvolatile semiconductor memory such as an MS (memory stick), an MMC (multimedia), and an SD card.
[0016]
Note that when copying of music is prohibited, it is impossible to listen to the music on the portable audio by appropriately moving the music on the large-capacity memory or NAND memory to the memory of the portable audio. On the other hand, in this audio device, the music with the dubbing history as described above is moved from the large-capacity memory to the recording device, so that the music can be viewed with portable audio while protecting the copyright. Become.
[0017]
According to the music processing method of the sixth aspect of the present invention, a memory (hereinafter referred to as “large capacity memory”) having a storage capacity of 5 gigabits or more and capable of recording music with digital data is provided. The recorded music can be played back as appropriate, and the music data can be output in analog or digital. In this music processing method, when the music is dubbed from the music source device to the large-capacity memory, the cases where the music data input from the music source device are digital and analog respectively (a) and (b) Whether (a) or (b) is detected. When the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, the cases where the music data to be output to the recording device are digital and analog, respectively (c) and (d), c) or (d) is detected. When the music recorded in the large capacity memory and dubbed to the recording medium of the recording device becomes a dubbing history including both (a) and (c), the music data is deleted from the large capacity memory. Yes.
[0018]
According to the music processing method of the seventh invention, in the music processing method of the sixth invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is both (a) and (c). If the dubbing history is not recorded, the music data is digitally recorded in the temporary memory, and then the music data in the large-capacity memory is updated by re-recording the music data in the temporary memory in the large-capacity memory. The day is changed to the current day.
[0019]
According to the music processing method of the eighth invention, in the music processing method of the sixth invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is both (a) and (c). If the dubbing history including “” is not reached, the dubbing count measurement counter for the music is incremented by a predetermined number, and when the value of the dubbing count measurement counter exceeds the reference value, the corresponding music is deleted from the large-capacity memory.
[0020]
According to the music processing method of the ninth aspect of the invention, a memory (hereinafter referred to as “large capacity memory”) having a storage capacity of 5 gigabits or more and capable of recording music as digital data is provided. The recorded music can be played back as appropriate, and the music data can be output in analog or digital. In this music processing method, when the music is dubbed from the music source device to the large-capacity memory, the cases where the music data input from the music source device are digital and analog respectively (a) and (b) Whether (a) or (b) is detected. When the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, the cases where the music data to be output to the recording device are digital and analog, respectively (c) and (d), c) or (d) is detected. When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is going to become a dubbing history including both (a) and (c), the dubbing from the large-capacity memory to the recording medium of the recording device is performed. Is to be canceled.
[0021]
According to the music processing method of the tenth invention, in the music processing methods of the sixth to ninth inventions, the NAND memory is replaced with the large-capacity memory.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram of a system involved in dubbing via an audio device 10 with a large capacity memory. The large-capacity memory-equipped audio device 10 includes a microcomputer 11 that performs various types of detection and processing, and a large-capacity memory 12 that includes, for example, an HD (hard disk) that stores music data. The music source device 14 uses, for example, a CD, MD, tape (TAPE), portable memory, or the like as a source medium to read out music data recorded on the source medium and output music data, or based on music data A player that plays music, or a tuner that outputs a source transmitted to a broadcast medium (TUNER. Tuners that receive music include not only radio tuners but also satellite tuners and cable tuners). The music data is output to the audio device 10 with a large capacity memory in an analog or digital format. The music distribution server 16 distributes music data to the audio device 10 with a large capacity memory via the Internet. The recording device 18 receives music data supplied from the audio device 10 with a large-capacity memory and records the music data on a recording medium in the set. Examples of the recording medium include an MD, a tape (TAPE), and a mobile phone. There is memory for. The microcomputer 11 monitors transmission data from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 and transmission data from the large-capacity memory 12 to the recording device 18, and from the music source device 14 and the music distribution server 16. It is detected whether the music data to be output and the music data to be output to the recording device 18 are analog data or digital data.
[0023]
FIG. 2 shows a data input format from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 and a data output format from the large-capacity memory 12 to the recording device 18 and the processing contents of the target music in the large-capacity memory 12 for dubbing music. Shows the relationship. About the dubbing of music The combination of the data input format from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 and the data output format from the large-capacity memory 12 to the recording device 18 is A: digital and digital, B: digital And analog, C: analog and digital, and D: analog and analog. In the case of these combinations A, B, C, D, that is, the target music is large in capacity from the music source device 14 or the music distribution server 16 in the data input format and data output format of the combination A, B, C, D, respectively. When dubbed in the memory 12 and dubbed from the large capacity memory 12 to the recording device 18, the target music in the large capacity memory 12 is processed as described in the third column of the table of FIG. In the combination A, the target music is deleted from the large-capacity memory 12, and in the combinations B, C, and D, the target music is re-stored (this re-storage will be described in detail in FIG. 6 ) and changed (about this change). Is described in detail in FIG. 7 ), or no processing (no processing is performed on the target music).
[0024]
FIG. 3 shows the process of changing the data format when dubbing music from the music source device 14 or the music distribution server 16 to the large capacity memory 12 of the large capacity memory audio device 10. FIG. 4 shows the process of changing the data format when the music recorded in the large-capacity memory 12 of the audio apparatus 10 with a large-capacity memory is dubbed to the recording apparatus 18. In FIG. 3, the left end indicates the source medium of the music source device 14 or the music distribution server 16 that outputs the music to be dubbed, and the right end is the large-capacity memory 12. In FIG. 4, the left end is the large-capacity memory 12, and the right end is a recording medium on which the target music is recorded in the recording device 18. 3 and 4, ⇒ means that music data is flowing in the digital format in the direction of the arrow, and → means that music data is flowing in the analog format in the direction of the arrow. Even if the music source is a digital source , it may be output from the music source device 14 after being converted to analog in the music source device 14 like I4 and I7 in FIG. Even if the music source is digital, dubbing to the large capacity memory 12 in which the output from the music source device 14 is analog does not cause a copyright infringement problem. The copyright problem is that the digital data from the music source for the music is recorded in the large capacity memory 12 while maintaining the digital data, and the digital data from the large capacity memory 12 for the music is maintained in the digital form. It occurs only when recording to the recording device 18. In FIG. 4, when the recording medium of the recording device 18 is an analog medium, the music data recorded digitally in the large-capacity memory 12 is changed to an analog format on the way and sent to the recording device 18. In FIG. 4, SDMI described in connection with case O4 is an abbreviation for Secure Digital Music Initiate ( Copyright Protection Association), which standardizes copyright protection in electronic music distribution via the Internet or the like. This is a council to promote. Currently, Phase 1 is established and Phase 2 is scheduled to be announced soon.
[0025]
FIG. 5 is a flowchart of a program that performs a predetermined process on the target music in the large-capacity memory 12 when dubbing music to the recording device 18. In S30, in the dubbing of the music in the large-capacity memory 12 (hereinafter referred to as “target music”) to the recording medium of the recording device 18, the music data transmitted from the audio device 10 equipped with the large-capacity memory is in a digital format. If it is a digital format, the process proceeds to S31, and if it is an analog format, the process proceeds to S37. In S31, when the target music is dubbed from the music source device 14 or the music distribution server 16 to the large capacity memory 12, is the input format of the music data from the music source device 14 or the music distribution server 16 to the large capacity memory 12 digital? If the determination is YES, the process proceeds to S32. If the determination is NO, the process proceeds to S33. In S32, that is, if it corresponds to the combination A in FIG. 2, the target music in the large-capacity memory 12 is deleted. In S33, that is, if it corresponds to the combination C in FIG. 2, the target music in the large-capacity memory 12 is re-stored, changed, or not processed. In S37, that is, if it corresponds to the combination B or D in FIG. 2, the target music in the large-capacity memory 12 is re-stored, changed, or not processed. Thus, in the flowchart of FIG. 5, as described in FIG. 2, the target music to be dubbed with the combination A is deleted from the large-capacity memory 12 (in this case, the target music is collectively after dubbing is completed, Alternatively, since the music part that has been dubbed is deleted from the large-capacity memory 12, it is eventually moved instead of being deleted.) When dubbing with the combination B, C, D, the capacity is large. The target music in the memory 12 is stored again, changed, or not processed.
[0026]
FIG. 6 is a flowchart of the program for the storage process. In S41, the target music is stored in the temporary storage RAM. In S42, the target music is deleted from the large-capacity memory 12. In S43, the target music in the RAM for temporary storage is re-stored in the large-capacity memory 12. The music stored in the large-capacity memory 12 is stored with the attribute information added, and the attribute information includes the update date / time. The update date / time of the target music re-stored in the large-capacity memory 12 in S43 is It will be changed to the date and time of the restart. In S44, the target music is deleted from the temporary storage RAM. Since this temporary storage RAM is composed of a volatile memory, even if S44 is not particularly prepared, the target music in the temporary storage RAM is turned off when the audio device 10 with a large capacity memory is turned off. Is deleted, so that S44 can be omitted. Thus, when the music stored in the large-capacity memory 12 is dubbed so as not to violate the copyright, the update date / time of the target music is updated, and as a result, the update date / time of the latest dubbed music is It will be close to the current date and time. By sorting and viewing the songs recorded in the large-capacity memory 12 according to the update date and time, the user efficiently performs appropriate processing such as batch deletion into frequently used songs and less frequently used songs. be able to.
[0027]
FIG. 7 is a flowchart of the change processing program. In S51, the value of the analog dubbing frequency measurement counter for the target music, that is, the target music to be dubbed from the large-capacity memory 12 to the recording medium of the recording device 18 this time is the history of any combination BD. Is determined, it is determined whether or not the number of times of dubbing for the target music is equal to or greater than a reference value. If the determination is YES, the process proceeds to S52. If the determination is NO, the process proceeds to S53. In S52, the target music is deleted from the large-capacity memory 12. In S53, the analog dubbing number measurement counter recorded for the target music is incremented by one. The analog dubbing does not cause a copyright problem, but in this program, the number of analog dubbing is measured, and when the reference value is reached, the corresponding target music is deleted from the large-capacity memory 12.
[Brief description of the drawings]
FIG. 1 is a block diagram of a system involved in dubbing via an audio device equipped with a large-capacity memory.
FIG. 2 is a diagram illustrating a relationship between a data input format from a music distribution server to a large-capacity memory, a data output format from the large-capacity memory to a recording device, and processing contents of a target music in the large-capacity memory;
FIG. 3 is a diagram showing a change process of a data format when dubbing from a music distribution server to a large capacity memory of an audio device equipped with a large capacity memory;
FIG. 4 is a diagram showing a process of changing the data format when dubbing music recorded in a large-capacity memory of a large-capacity memory-equipped audio device to a recording device;
FIG. 5 is a flowchart of a program that performs a predetermined process on a target song in a large-capacity memory when a song is dubbed to a recording device.
FIG. 6 is a flowchart of a program for a re-storing process.
FIG. 7 is a flowchart of a change processing program;
[Explanation of symbols]
10 Audio equipment with large capacity memory (audio equipment)
11 Microcomputer 12 Large-capacity memory 14 Music source device 16 Music distribution server (music source)
18 Recording equipment (recording equipment)

Claims (10)

A memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as “large-capacity memory”) is provided so that the music recorded in the large-capacity memory can be reproduced as appropriate. In addition, in an audio device that can freely output the music data in an analog or digital manner,
When dubbing music from a music source device to the large-capacity memory, the cases where the music data input from the music source device is digital and analog respectively are (a) and (b), respectively (a) or ( b)
In addition, when the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, cases where the music data to be output to the recording device are respectively digital and analog are (c) and (d), respectively. , (C) or (d)
When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device becomes a dubbing history including both (a) and (c), the music data is deleted from the large-capacity memory. An audio device characterized in that When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device does not become a dubbing history including both (a) and (c), the music data is digitally recorded in the temporary memory. Next, by re-recording the music data in the temporary memory in the large-capacity memory, the update date of the music data in the large-capacity memory is changed to the current date. The audio device according to 1. When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device does not become a dubbing history including both (a) and (c), a predetermined number of counters for measuring the number of dubbing for the music 2. The audio apparatus according to claim 1, wherein the music piece is deleted from the large-capacity memory when the counter value is incremented and the value of the dubbing count measurement counter becomes equal to or greater than a reference value. A memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as “large-capacity memory”) is provided so that the music recorded in the large-capacity memory can be reproduced as appropriate. In addition, in an audio device that can freely output the music data in an analog or digital manner,
When dubbing music from a music source device to the large-capacity memory, the cases where the music data input from the music source device is digital and analog respectively are (a) and (b), respectively (a) or ( b)
In addition, when the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, cases where the music data to be output to the recording device are respectively digital and analog are (c) and (d), respectively. , (C) or (d)
When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is going to be a dubbing history including both (a) and (c), the recording medium of the recording device is recorded from the large-capacity memory. An audio device characterized in that dubbing is stopped. 5. The audio device according to claim 1, wherein a NAND type memory is replaced with the large capacity memory. A memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as “large-capacity memory”) is provided so that the music recorded in the large-capacity memory can be reproduced as appropriate. In addition, in the music processing method of the audio device that can freely output the music data in analog or digital,
When dubbing music from a music source device to the large-capacity memory, the cases where the music data input from the music source device is digital and analog respectively are (a) and (b), respectively (a) or ( b)
In addition, when the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, cases where the music data to be output to the recording device are respectively digital and analog are (c) and (d), respectively. , (C) or (d)
When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device becomes a dubbing history including both (a) and (c), the music data is deleted from the large-capacity memory. The music processing method characterized by becoming. When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device does not become a dubbing history including both (a) and (c), the music data is digitally recorded in the temporary memory. Next, by re-recording the music data in the temporary memory in the large-capacity memory, the update date of the music data in the large-capacity memory is changed to the current date. 6. The music processing method according to 6. When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device does not become a dubbing history including both (a) and (c), a predetermined number of counters for measuring the number of dubbing for the music The music processing method according to claim 6, wherein the music is deleted from the large-capacity memory when incremented and the value of the dubbing count measurement counter becomes equal to or greater than a reference value. A memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as “large-capacity memory”) is provided so that the music recorded in the large-capacity memory can be reproduced as appropriate. In addition, in an audio device that can freely output the music data in an analog or digital manner,
When dubbing music from a music source device to the large-capacity memory, the cases where the music data input from the music source device is digital and analog respectively are (a) and (b), respectively (a) or ( b)
In addition, when the music recorded in the large-capacity memory is dubbed to the recording medium of the recording device, cases where the music data to be output to the recording device are respectively digital and analog are (c) and (d), respectively. , (C) or (d)
When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is going to be a dubbing history including both (a) and (c), the recording medium of the recording device is recorded from the large-capacity memory. A music processing method characterized in that dubbing is stopped. 10. The music processing method according to claim 6, wherein a NAND-type memory is replaced with the large-capacity memory.

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