JP2002050121A - Audio device and music processing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid infringement of copyright when dubbing music through a mass storage memory 12 such as a HD. SOLUTION: When dubbing music in the mass storage memory 12 from music source equipment or the like, and when dubbing the music data forms (= input forms) inputted from the music source equipment 14 or the like and the music recorded in the mass storage memory 12 in a digital form in a recording medium of recording equipment 18, a microcomputer 11 detects a music data form (output form) to be outputted to the recording equipment 18. The music of which both of the input form and output form are digitized are erased from the mass storage memory 12 after dubbed in the recording equipment 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio apparatus and a music processing method for restricting recording of music on an HD (hard disk) or the like and transmission of the recorded music for dubbing. And a music processing method.

[0002]

2. Description of the Related Art In an MD recording / reproducing apparatus or an audio recording / reproducing apparatus equipped with an IC memory, it is necessary to process digital data without intervening analog data and perform dubbing to a recording medium at a dubbing destination. Restricted for copyright protection.

[0003]

In the prior art of dubbing limitation based on copyright protection, digital watermark data is hidden in digital music data, and dubbing for more than two generations is prohibited. The data is modified, for example, by including information in the music data. These countermeasures are effective for MDs and IC memories in which accompanying information as well as audio data is transmitted and recorded along with dubbing, but dubbing music through an HD (hard disk). Does not take effect.

An object of the present invention is to provide an audio apparatus and a music processing method capable of effectively performing copyright protection on music when dubbing is performed via a large-capacity memory such as a hard disk.

[0005]

According to the audio apparatus of the first invention, a memory (hereinafter, referred to as a memory) having a storage capacity of 5 gigabits or more and capable of freely recording music as digital data.
It is called "mass memory". ) To enable the music recorded in the large-capacity memory to be played back as appropriate.
The music data can be freely output in analog or digital form. In this audio device, when dubbing music from a music source device to a large capacity memory,
If the music data input from the music source device is digital and analog, respectively, as (a) and (b), respectively, it is detected whether (a) or (b). When dubbing music recorded in a large-capacity memory to a recording medium of a recording device, when the music data output to the recording device is digital and analog, respectively, as (c) and (d), c) or (d) is detected. When a song 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 song data is deleted from the large-capacity memory. I have.

The large-capacity memory includes a hard disk.

The copyright protection is required because music data is received as digital data, the digital data is recorded in a large-capacity memory, and the recorded digital data is recorded on a recording medium of another recording device. At the time of transmission, that is, when a song of a dubbing history including both (a) and (c) appears. In this audio device, since the music of such 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.

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 can be any of (a) and (c). If the dubbing history does not include both, the music data is digitally recorded in the temporary memory, and then the music data in the temporary memory is re-recorded in the large-capacity memory, whereby the music data in the large-capacity memory is recorded. The update date is changed to the current date.

[0009] Songs which do not become dubbing histories, including both (a) and (c), are dubbing in which analog data is involved in at least one of dubbing to a large capacity memory and dubbing from a large capacity memory. There is no particular copyright issue for dubbing songs. Therefore, for such a music piece having a dubbing history, the music piece data is digitally recorded in a temporary memory (a volatile RAM is usually used as the temporary memory), and then the data is transferred 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 so, for songs that are frequently transmitted, the update date is changed to the most recent date, so that songs in the large-capacity memory are sorted according to the update date, and songs that are rarely used are deleted. In such a case, convenience can be given. In the audio device, when the music in the large-capacity memory is updated by re-storage, not only the update date but also the update time can be updated.

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 can be any of (a) and (c). If the dubbing history does not include both, the dubbing number counter for the song is incremented by a predetermined number, and when the value of the dubbing counter reaches a reference value or more, the song is deleted from the large capacity memory.

In this audio apparatus, if the music recorded on the large-capacity memory and dubbed to the recording medium of the recording device does not have a dubbing history including both (a) and (c), the number of dubbing of the music is When the measurement 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 song is deleted from the large-capacity memory. Therefore, dubbing of a music piece whose dubbing frequency has reached the reference value can be prevented thereafter.

According to the audio apparatus of the fourth invention, a memory having a storage capacity of 5 gigabits or more and capable of freely recording music as digital data (hereinafter referred to as a "large capacity memory") is provided. The music recorded in the memory can be freely reproduced, and the music data can be output in analog or digital form. In this audio device, when music is dubbed from a music source device to a large capacity memory, cases where the music data input from the music source device are digital and analog, respectively, are defined as (a) and (b), respectively. a) or (b)
Or to detect. In addition, when dubbing music recorded in a large-capacity memory to a recording medium of a recording device, cases where the music data to be output to the recording device are digital and analog, respectively, are represented by (c) and (d), respectively.
(C) or (d) is detected. Music recorded on the large capacity memory and dubbing to the recording medium of the recording device,
When a dubbing history including both (a) and (c) is to be obtained, dubbing from the large-capacity memory to the recording medium of the recording device is stopped.

When the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device attempts to become a dubbing history including both (a) and (c), the dubbing is stopped. Therefore, the copyright can be effectively protected against dubbing of the music passing through the large-capacity memory.

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.

The NAND type memory includes a removable and / or portable nonvolatile semiconductor memory such as an MS (Memory Stick), an MMC (Multimedia), and an SD card.

In the case of music copy prohibition, it is impossible to move music in a large-capacity memory or a NAND type memory to a portable audio memory as appropriate to listen to music in portable audio. On the other hand, in this audio device, the music of the dubbing history as described above is moved from the large-capacity memory to the recording device, so that it is possible to enjoy music with portable audio while protecting the copyright. Become.

According to the music processing method of the sixth invention, a memory having a storage capacity of 5 gigabits or more and capable of recording music in digital data (hereinafter referred to as "large capacity memory") is provided. The music recorded in the capacity memory can be freely reproduced, and the music data can be output in analog or digital form. In this music processing method, when music is dubbed from a music source device to a large-capacity memory, cases in which the music data input from the music source device is digital and analog are represented by (a) and (b), respectively. (A) or (b) is detected. Also, when dubbing music recorded in a large capacity memory to a recording medium of a recording device,
If the music data output to the recording device is digital and analog, respectively, as (c) and (d), respectively, it is detected whether (c) or (d). Music recorded on the large capacity memory and dubbing to the recording medium of the recording device,
When the dubbing history includes both (a) and (c), the music data is deleted from the large-capacity memory.

According to the music processing method of the seventh aspect, the sixth
In the music processing method of the invention of the invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device,
If the dubbing history does not include both (a) and (c), the music data is digitally recorded in the temporary memory, and then the music data in the temporary memory is re-recorded in the large-capacity memory. The update date of the music data in the large-capacity memory is changed to the current date.

According to the music processing method of the eighth aspect, the sixth
In the music processing method of the invention of the invention, the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device,
If the dubbing history does not include both (a) and (c), the dubbing frequency measurement counter for the music is incremented by a predetermined number, and when the value of the dubbing frequency measurement counter exceeds the reference value, the corresponding music is deleted. Deleted from mass memory.

According to the music processing method of the ninth aspect, a memory having a storage capacity of 5 gigabits or more and capable of recording music in digital data (hereinafter referred to as "large capacity memory") is provided. The music recorded in the capacity memory can be freely reproduced, and the music data can be output in analog or digital form. In this music processing method, when music is dubbed from a music source device to a large-capacity memory, cases in which the music data input from the music source device is digital and analog are represented by (a) and (b), respectively. (A) or (b) is detected. Also, when dubbing music recorded in a large capacity memory to a recording medium of a recording device,
If the music data output to the recording device is digital and analog, respectively, as (c) and (d), respectively, it is detected whether (c) or (d). Music recorded on the large capacity memory and dubbing to the recording medium of the recording device,
When a dubbing history including both (a) and (c) is to be obtained, dubbing from the large-capacity memory to the recording medium of the recording device is stopped.

According to the music processing method of the tenth aspect, in the music processing method of the sixth to ninth aspects, the NAND memory is replaced with the large capacity memory.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a system related to dubbing via an audio device 10 with a large capacity memory. The audio device 10 equipped with a large-capacity memory has a microcomputer 11 that performs various detections and processes, and a large-capacity memory 12 that stores music data, for example, an HD (hard disk). The music source device 14 is, for example, a CD, an MD, a tape (T
APE) and a portable memory or the like as a source medium, read out the music data recorded on the source medium and output the music data, or reproduce the music based on the music data, or transmit to a broadcasting medium. A tuner that outputs the incoming source (TUNER. Tuners that receive music include not only radio tuners, but also satellite tuners and cable tuners), etc., and store large amounts of music data in analog or digital format. Output to the audio device 10 with memory. Music distribution server 16
Distributes music data to the audio device 10 with a large-capacity memory via the Internet. The recording device 18
The music data is supplied from the audio device 10 with a large capacity memory, and the music data is recorded on the recording medium being set. The recording medium may be an MD, a tape (T
APE), and portable memory. The microcomputer 11 monitors data transmitted from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 and data transmitted from the large-capacity memory 12 to the recording device 18. It detects whether the output music data and the music data output to the recording device 18 are analog data or digital data.

FIG. 2 shows a large-capacity memory 1 from the music source device 14 or the music distribution server 16 for dubbing music.
2 shows the relationship between the data input format to the storage device 2 and the data output format from the large capacity memory 12 to the recording device 18 and the processing content of the target music in the large capacity memory 12. Music dubbing Music source device 14 or music distribution server 1
6 to the large-capacity memory 12 and the combination of the data output format from the large-capacity memory 12 to the recording device 18 are: A: digital and digital, B: digital and analog, C: analog and digital, and D: There are four types: analog and analog. These combinations A,
In the case of B, C, and D, that is, the target music is dubbed from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 in the data input format and the data output format of the combinations A, B, C, and D, respectively. And large capacity memory 1
2 is dubbed to the recording device 18, the target music in the mass memory 12 is processed as described in the third column of the table in 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. 5), changed (this change will be described in detail in FIG. 6), or not processed (no processing is performed on the target music). No.)

FIG. 3 shows a data format changing process when dubbing music from the music source device 14 or the music distribution server 16 to the large-capacity memory 12 of the audio device 10 having a large-capacity memory. FIG. 4 shows a process of changing the data format when music recorded in the large-capacity memory 12 of the audio device 10 with a large-capacity memory is dubbed to the recording device 18. In FIG. 3, the left end shows the music source device 14 or the source medium of the music distribution server 16 that outputs the dubbing target music, 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 the music data is flowing in the direction of the arrow in digital form, and → means that the music data is flowing in the direction of the arrow in analog form. In addition. Even if the music source is digital,
As in I4 and I7 above, the music is converted into analog by the music source device 14 and then output from the music source device 14. Regardless of the music source or digital format, dubbing to the large-capacity memory 12 in which the output from the music source device 14 is performed in an analog manner does not cause a copyright infringement problem. The copyright issue involves recording digital data from the music source for the music in the large-capacity memory 12 while maintaining the digital data, and converting digital data from the large-capacity memory 12 for the music into music.
It occurs only when recording to the recording device 18 while maintaining digital. In FIG. 4, when the recording medium of the recording device 18 is an analog medium, the music data digitally recorded 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 Secure Digital Music In.
It is an abbreviation of ititative @ (Copyright Protection Association), which is a council that promotes the standardization of copyright protection in electronic music distribution via the Internet and the like.
1, and Phase 2 will be announced soon.

FIG. 5 is a flowchart of a program for performing a predetermined process on a target music in the large-capacity memory 12 when dubbing a music to the recording device 18. In S30, in dubbing a song in the large-capacity memory 12 to a recording medium of the recording device 18 (hereinafter, this song is referred to as “target song”), song data transmitted from the audio device 10 with the large-capacity memory is digitally formatted. Or analog format, and if the format is digital, S31
The process proceeds to S37 if it is an analog format. 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, 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 is digital. The process proceeds to S32 if the determination is YES, and proceeds to S33 if NO. In S32, that is, if the music 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 the combination 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 processed after the dubbing ends. Alternatively, since the music portion that has been dubbed is deleted from the large-capacity memory 12, it is eventually moved instead of being deleted.) The target music in the memory 12 is re-stored, changed, or not processed.

FIG. 6 is a flowchart of a program for the re-storage process. In S41, the target music is stored in R for temporary storage.
Store in AM. In S42, the target music is deleted from the large capacity memory 12. In S43, 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 attribute information added thereto, and the attribute information includes an update date and time.
At 43, the update date and time of the target music re-stored in the large-capacity memory 12 is changed to the date and time of the resumption. S44
Then, the target music is deleted from the RAM for temporary storage. Since the temporary storage RAM is constituted by a volatile memory, even if S44 is not provided, the target music of the temporary storage RAM is not stored when the power of the large-capacity memory-equipped audio device 10 is turned off. Will be erased,
S44 can be omitted. When dubbing that does not violate copyright is performed on the music stored in the large-capacity memory 12 in this manner, the update date and time of the target music are updated,
As a result, the date and time of the latest dubbed song,
It will be close to the current date and time. By sorting the songs recorded in the large-capacity memory 12 according to the update date and time and viewing them, the user divides frequently used songs and rarely used songs into pieces, and efficiently performs appropriate processing such as batch deletion. be able to.

FIG. 7 is a flowchart of a program for the change process. In S51, the value of the analog dubbing frequency measurement counter for the target music, that is, the target music that is about to be dubbed from the large-capacity memory 12 to the recording medium of the recording device 18 this time is stored in one of the combinations B to D. Is satisfied, it is determined whether or not the number of dubbing for the target music is equal to or more than a reference value. If the determination is YES, the process proceeds to S52, and if the determination is NO, the process proceeds to S52.
Proceed to S53. In S52, the target music is deleted from the large capacity memory 12. In S53, the analog dubbing frequency measurement counter recorded for the target music is incremented by one. Although analog dubbing does not cause a copyright problem, this program measures the number of analog dubbing operations and deletes the target music from the large-capacity memory 12 when the reference value is reached.

[Brief description of the drawings]

FIG. 1 is a block diagram of a system related to dubbing via an audio device equipped with a large-capacity memory.

FIG. 2 is a diagram showing a relationship between a data input format from a music distribution server to a large-capacity memory, a data output format from a large-capacity memory to a recording device, and processing contents of a target music in the large-capacity memory.

FIG. 3 is a diagram illustrating a process of changing 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 a data format when dubbing music recorded in a large-capacity memory of an audio device equipped with a large-capacity memory to a recording device.

FIG. 5 is a flowchart of a program for performing a predetermined process on a target song in a large-capacity memory when dubbing the song to a recording device.

FIG. 6 is a flowchart of a program for a re-storage process.

FIG. 7 is a flowchart of a change processing program.

[Explanation of symbols]

Reference Signs List 10 Audio equipment with large capacity memory (audio device) 11 Microcomputer 12 Large capacity memory 14 Music source equipment 16 Music distribution server (Music source) 18 Recording equipment (Recording equipment)

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) G11B 27/00 G10L 9/00 E 27/034 G11B 27/02 HK F term (reference) 5B065 BA03 BA07 CA40 CE11 EK05 EK06 PA04 5D044 AB05 BC08 CC09 DE03 DE12 DE44 DE50 EF05 GK12 HL07 HL08 HL11 5D110 AA27 BB20 CA06 CA12 CA32 CC06 CF02 DB02 DC02 DD03

Claims (10)

[Claims] A memory having a storage capacity of 5 gigabits or more and capable of freely recording music as digital data (hereinafter referred to as a memory).
It is called "mass memory". ), Wherein the music recorded in the large-capacity memory is appropriately reproducible and the music data is freely output in an analog or digital manner. In the case of dubbing, when the music data input from the music source device is digital and analog, respectively, as (a) and (b), respectively, it is detected whether (a) or (b). When dubbing music recorded in the capacity memory to a recording medium of a recording device, cases where the music data to be output to the recording device are digital and analog are respectively represented by (c) and (d), and (c) Or (d), and the music pieces recorded in the large-capacity memory and dubbed to the recording medium of the recording device are (a) and (c). If made dubbing history including both the audio device the music data, characterized in that is adapted to remove from the mass memory. 2. If the music recorded in the large-capacity memory and dubbed to a recording medium of a recording device does not have a dubbing history including both (a) and (c), the music data is stored in a temporary memory. By digitally recording the music data in the temporary memory, and then re-recording the music data in the temporary memory to the large-capacity memory, thereby changing the update date of the music data in the large-capacity memory to the current date. The audio device according to claim 1, wherein: 3. When the music recorded in the large-capacity memory and dubbed to a recording medium of a recording device does not have a dubbing history including both (a) and (c), the number of dubbing times for the music is measured. 2. The audio device according to claim 1, wherein the counter is incremented by a predetermined number, and when the value of the dubbing number measurement counter becomes equal to or more than a reference value, the corresponding music is deleted from the large capacity memory. 4. A memory having a storage capacity of 5 gigabits or more and capable of freely recording music as digital data (hereinafter referred to as a memory).
It is called "mass memory". ), Wherein the music recorded in the large-capacity memory is appropriately reproducible and the music data is freely output in an analog or digital manner. In the case of dubbing, when the music data input from the music source device is digital and analog, respectively, as (a) and (b), respectively, it is detected whether (a) or (b). When dubbing music recorded in the capacity memory to a recording medium of a recording device, cases where the music data to be output to the recording device are digital and analog are respectively represented by (c) and (d), and (c) Or (d), and the music pieces recorded in the large-capacity memory and dubbed to the recording medium of the recording device are (a) and (c). When seeking to become dubbing history including both the audio device dubbing from mass memory to the recording medium of the recording device is characterized by being adapted to stop. 5. The audio device according to claim 1, wherein a NAND-type memory is replaced with said large-capacity memory. 6. A memory having a storage capacity of 5 gigabits or more and capable of freely recording music as digital data (hereinafter referred to as a memory).
It is called "mass memory". ), Wherein the music recorded in the large-capacity memory is appropriately reproducible and the music data is freely output in analog or digital form. When dubbing to the large-capacity memory, if the music data input from the music source device is digital and analog, respectively, as (a) and (b), respectively, it is detected whether (a) or (b) When dubbing music recorded in the large-capacity memory to a recording medium of a recording device, cases in which music data to be output to the recording device are digital and analog are respectively represented by (c) and (d). , (C) or (d), the music recorded in the large-capacity memory and dubbed to the recording medium of the recording device is If made dubbing history including both a) and (c), the music processing method music data, characterized in that is adapted to remove from the mass memory. 7. If a song recorded in the large-capacity memory and dubbed to a recording medium of a recording device does not have a dubbing history including both (a) and (c), the song data is stored in a temporary memory. By digitally recording the music data in the temporary memory, and then re-recording the music data in the temporary memory to the large-capacity memory, thereby changing the update date of the music data in the large-capacity memory to the current date. 7. The music processing method according to claim 6, wherein: 8. When the music recorded in the large-capacity memory and dubbed to a recording medium of a recording device does not have a dubbing history including both (a) and (c), the number of dubbing times for the music is measured. 7. The music processing method according to claim 6, wherein the counter is incremented by a predetermined number, and when the value of the dubbing number measurement counter becomes equal to or more than a reference value, the corresponding music is deleted from the large capacity memory. 9. A memory having a storage capacity of 5 gigabits or more and capable of recording music as digital data (hereinafter referred to as a memory).
It is called "mass memory". ), Wherein the music recorded in the large-capacity memory is appropriately reproducible and the music data is freely output in an analog or digital manner. In the case of dubbing, when the music data input from the music source device is digital and analog, respectively, as (a) and (b), respectively, it is detected whether (a) or (b). When dubbing music recorded in the capacity memory to a recording medium of a recording device, cases where the music data to be output to the recording device are digital and analog are respectively represented by (c) and (d), and (c) Or (d), and the music pieces recorded in the large-capacity memory and dubbed to the recording medium of the recording device are (a) and (c). When seeking to become dubbing history including both music processing method the dubbing from the large capacity memory to the recording medium of the recording device is characterized by being adapted to stop. 10. The music processing method according to claim 6, wherein a NAND-type memory is replaced with the large-capacity memory.