JP3819916B2 - GAME DEVICE AND PROGRAM - Google Patents

Description

  The present invention relates to a game apparatus, a game apparatus control method, and a program.

  2. Description of the Related Art There is known a game device that improves the interest of a game by changing game music such as background music according to the operation content of the player.

  In such a game device, if the change of game music is not suitably performed, the interest of the game is adversely affected. For example, if a change is given at an unfavorable timing for the game music, the interest of the game will be impaired.

  The present invention has been made in view of the above problems, and one of its purposes is to provide a game device, a control method for the game device, and a program that can suitably change game music. It is in.

  In order to solve the above-described problems, a game device according to the present invention includes a music playback unit that plays back music, and a change position that represents one or more change position candidates that change the music played back by the music playback unit. Change position candidate data storage means for storing candidate data, current playback position acquisition means for acquiring the current playback position of music played back by the music playback means, and the current playback position acquisition means after a given timing A change timing monitoring means for monitoring the arrival of a change timing at which the acquired current reproduction position matches one of one or a plurality of change position candidates represented by the change position candidate data; and the change timing monitoring means. If it is determined that the change timing has arrived, a change is made to the music played by the music playback means. Characterized in that it comprises a music changing means for obtaining, a.

  The game apparatus control method according to the present invention is a game apparatus control method including a music playback means for playing music, and a current playback position for acquiring a current playback position of music played by the music playback means. The change position candidate data is read out from an acquisition step and change position candidate data storage means for storing change position candidate data representing one or a plurality of change position candidates that change the music played by the music playback means. After the given timing, the arrival of the change timing at which the current playback position acquired in the current playback position acquisition step coincides with one or more of the change position candidates represented by the change position candidate data. In the change timing monitoring step for monitoring the change timing, and in the change timing monitoring step, If the reduction timing is determined to have arrived, characterized in that it comprises a music change step for applying a change to the music played by the music reproducing means.

  Further, the program according to the present invention includes a music playback means for playing music, and change position candidates for storing change position candidate data representing one or a plurality of change position candidates that change the music played by the music playback means. Data storage means; current playback position acquisition means for acquiring a current playback position of music played by the music playback means; current playback position acquired by the current playback position acquisition means after a given timing; and the change It is determined that the change timing has arrived by the change timing monitoring means for monitoring the arrival of the change timing at which one of the one or more change position candidates represented by the position candidate data matches, and the change timing monitoring means. Music changing means for changing the music played by the music playing means, and Te, a home-use game machine, a portable game machine, an arcade game machine, a cellular phone, which is a program for causing a computer to function such as a personal digital assistant (PDA) or a personal computer.

  A program distribution apparatus according to the present invention is a program distribution apparatus that includes an information storage medium storing the above-described program, reads the program from the information storage medium, and distributes the program.

  A program distribution method according to the present invention is a program distribution method including an information storage medium storing the above-described program, reading the program from the information storage medium, and distributing the program.

  In the present invention, change position candidate data representing one or a plurality of change position candidates that change the music to be played back is stored. Then, after a given timing, the arrival of a change timing at which the current reproduction position matches one of one or more change position candidates is monitored. If it is determined that the change timing has arrived, a change is given to the reproduced music. According to the present invention, it is possible to control the timing for giving a change to the music to be played back using the change position candidate data. For this reason, a change can be suitably given to game music.

  Further, in one aspect of the present invention, the apparatus includes music data storage means for storing a plurality of music data, wherein the music reproduction means mixes and reproduces the plurality of music data, and the music change means includes the plurality of music data The music reproduced by the music reproducing means is changed by changing the mixing ratio of the music data. In this way, it is possible to give a change to the reproduced music without interrupting the reproduction. For this reason, a change can be suitably given to game music.

  In the aspect of the invention, the mixing ratio changing unit may change the volume related to a part of the plurality of music data to zero when the change timing monitoring unit determines that the change timing has arrived. Means. By doing so, it becomes possible to suitably give a change to the game music.

  In the aspect of the invention, the mixing ratio changing unit may change the volume of a part of the plurality of music data from zero to a predetermined value when the change timing monitoring unit determines that the change timing has arrived. It is characterized by including the means to change to. By doing so, it becomes possible to suitably give a change to the game music.

  In the aspect of the invention, the given timing is a timing when a predetermined operation by the player is detected. If it carries out like this, according to the operation content of a player, a change will be suitably given to game music.

  Hereinafter, an example of a preferred embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram showing a configuration of a game device according to an embodiment of the present invention. The game apparatus 10 shown in the figure is configured by mounting a DVD-ROM 25 and a memory card 28 as information storage media on a consumer game machine 11 and further connecting a monitor 18 and a speaker 22. The monitor 18 is a home television receiver, and the speaker 22 is a built-in speaker.

  Here, the DVD-ROM 25 is used to supply the program to the consumer game machine 11, but any other information storage medium such as a CD-ROM or a ROM card may be used. Further, the program may be supplied to the consumer game machine 11 from a remote place via a data communication network such as the Internet.

  The home game machine 11 is a known computer game including a microprocessor 14, an image processing unit 16, a main memory 26, an input / output processing unit 30, an audio processing unit 20, a controller 32, and a DVD-ROM playback unit 24. System. The microprocessor 14, the image processing unit 16, the main memory 26, and the input / output processing unit 30 are connected to each other via the bus 12 so that mutual data communication is possible. The input / output processing unit 30 includes a controller 32, an audio processing unit 20, a DVD. A ROM playback unit 24 and a memory card 28 are connected. Each component of the consumer game machine 11 other than the controller 32 is housed in a housing.

  The microprocessor 14 controls each part of the consumer game machine 11 based on an operating system stored in a ROM (not shown), a program read from the DVD-ROM 25, and save data read from the memory card 28, and allows the player to play a game. I will provide a. The bus 12 is for exchanging addresses and data among the units of the consumer game machine 11. The main memory 26 includes, for example, a RAM, and a program read from the DVD-ROM 25 and save data read from the memory card 28 are written as necessary. The main memory 26 is also used for work of the microprocessor 14. The image processing unit 16 includes a VRAM. The image processing unit 16 receives image data sent from the microprocessor 14, draws a game screen on the VRAM based on the image data, converts the contents into a video signal, and converts the content into a video signal. Output to the monitor 18 at timing.

  The input / output processing unit 30 is an interface for the microprocessor 14 to access the controller 32, the sound processing unit 20, the DVD-ROM playback unit 24, and the memory card 28. The DVD-ROM playback unit 24 reads a program recorded on the DVD-ROM 25 in accordance with an instruction from the microprocessor 14. The sound processing unit 20 includes a sound buffer. The sound processing unit 20 reads out various sound data such as game music, game sound effects, and messages read from the DVD-ROM 25 and stored in the sound buffer, and is output from the speaker 22. Output. The memory card 28 includes a non-volatile memory (for example, EEPROM) and is configured to be detachable from the consumer game machine 11. The memory card 28 stores save data for various games. The controller 32 is general-purpose operation input means for the player to input various game operations. The input / output processing unit 30 scans the state of each operation member of the controller 32 at regular intervals (for example, every 1/60 seconds), and passes an operation signal representing the scan result to the microprocessor 14 via the bus 12. The microprocessor 14 determines the player's game operation based on the operation signal.

  The game apparatus 10 having the above configuration provides a game to a player and reproduces game music including a melody part and a rhythm part. Normally, both the melody part and the rhythm part are reproduced. When the player performs a predetermined operation in the game, only the rhythm part is reproduced at a predetermined volume value so that the game music is changed. It has become. In particular, the game apparatus 10 gives such a change without interrupting the reproduction of the game music and at a timing suitable for the game music.

  Here, functional blocks implemented in the game apparatus 10 will be described. FIG. 2 is a diagram mainly showing those related to the present invention among the functional blocks realized in the game apparatus 10. As shown in the figure, the game apparatus 10 includes a music data storage unit 40, a music playback unit 42, a change position candidate data storage unit 44, and a control unit 46. These functions can be performed by a computer (DVD-ROM or other information storage medium such as a home-use game machine, arcade game machine, portable game machine, mobile phone, portable information terminal, or personal computer). This is realized by executing (provided to the computer by the communication network).

  The music data storage unit 40 includes, for example, a DVD-ROM 25 and a hard disk storage device. The music data storage unit 40 stores a plurality of music data. The music data may be waveform data such as PCM or WAV, or may be performance data such as MIDI. The music data storage unit 40 may store music data corresponding to each of a plurality of music pieces, for example. The music data storage unit 40 may store music data corresponding to each part, for example, for music composed of a plurality of parts.

  In the present embodiment, music data of the melody part of game music (hereinafter referred to as melody data) and music data of the rhythm part (hereinafter referred to as rhythm data), which are one musical composition, are stored in the music data storage unit. 40.

  The music playback unit 42 mainly includes the audio processing unit 20 and the speaker 22 and plays back music. The music data reproduction unit 42 receives music data from the control unit 46, converts the music data into an analog signal, and supplies the analog signal to the speaker 22. The music playback unit 42 has a plurality of playback channels, and can play back and output music data supplied from the control unit 46 to these channels. In addition, the music playback unit 42 plays back and outputs each music data at a volume specified by the control unit 46 for each channel. That is, the music playback unit 42 has a mixing function, and can reproduce and output a plurality of music data at a volume ratio (mixing ratio) according to an instruction from the control unit 46.

  In the present embodiment, as shown in FIG. 3, melody data is supplied to the A1 and B1 channels of the music playback unit 42, and rhythm data is supplied to the A2 and B2 channels of the music playback unit 42. That is, the melody data and the rhythm data are mixed and reproduced by the music reproducing unit 42.

  The change position candidate data storage unit 44 mainly includes, for example, a DVD-ROM 25 and a hard disk storage device. The change position candidate data storage unit 44 stores change position candidate data. The change position candidate data is data representing one or a plurality of position candidates (change position candidates) that change the music played back by the music playback unit 42. In other words, the change position candidate data represents one or a plurality of timing candidates (change timing candidates) that change the reproduced music during reproduction by the music reproduction unit 42. For example, the change position candidate data is data representing one or a plurality of position candidates for changing the mixing ratio of a plurality of music data reproduced by the music reproducing unit 42.

  The change position candidate data storage unit 44 may store a plurality of change position candidate data. For example, change position candidate data may be stored in association with each of a plurality of music data stored in the music data storage unit 40. For example, one or a plurality of change position candidate data may be stored in association with each combination of at least two of the plurality of music data. For example, when music of a plurality of pieces of music is played by the music playback unit 42, change position candidate data may be stored in association with each of the plurality of pieces of music.

  The change position candidates may be expressed in units of time, for example. For example, the change position candidate may be represented by the elapsed time from the start of the reproduction of music data (after the start of the reproduction of the game music). The change position candidates may be expressed in units of bytes (sectors), for example. For example, the change position candidate may be represented by the number of bytes (sector number) in which music data has been reproduced.

  In the present embodiment, one change position candidate data is stored in the change position candidate data storage unit 44 for game music that is one piece of music. In other words, one change position candidate data is stored for a combination of music data (melody data and rhythm data). The change position candidate data represents one or a plurality of position candidates (change position candidates) suitable for changing the mixing ratio of a plurality of music data reproduced by the music reproducing unit 42. The change position candidate is represented by an elapsed time (in units of 1/60 seconds) after the reproduction of game music (melody data and rhythm data) is started. An example of change position candidate data according to the present embodiment is shown in FIG. The example in the figure shows that the timings of 10, 12, and 15 seconds from the start of game music playback are stored as change position candidates.

  The control unit 46 mainly includes the microprocessor 14. The control unit 46 reads out music data stored in the music data storage unit 40 and supplies it to the music playback unit 42. In the present embodiment, the control unit 46 reads melody data and rhythm data from the music data storage unit 40 and supplies them to a predetermined channel of the music playback unit 42.

  The control unit 46 also includes a current playback position acquisition unit 48, a change timing monitoring unit 50, and a mixing ratio change unit 52 (music changing means).

  The current playback position acquisition unit 48 acquires the current playback position of the music data (game music) played by the music playback unit 42. For example, in the change position candidate data, when the change position candidate is represented by the elapsed time from the start of music data playback, the current playback position acquisition unit 48 includes, for example, a timer unit and a storage unit, What is necessary is just to acquire the elapsed time after the reproduction | regeneration part 42 started reproduction | regeneration of music data. Further, for example, in the case where the change position candidate is represented by the number of bytes (sector number) in which the music data has been reproduced in the change position candidate data, the current reproduction position acquisition unit 48 uses the music reproduction unit 42 to play music. It is only necessary to acquire what byte (sector) of data is being reproduced.

  In the present embodiment, the current playback position acquisition unit 48 stores the data as described later in the main memory 26 (see FIG. 6), thereby calculating the elapsed time from the start of music data playback as the current playback position. Is supposed to get as.

  The change timing monitoring unit 50 changes the change timing based on the current reproduction position acquired by the current reproduction position acquisition unit 48 and the change position candidate data stored in the change position candidate data storage unit 44 after a given timing. Monitor the arrival of. Such monitoring is performed until the first change timing comes after a given timing.

  The change timing is a timing at which the current playback position acquired by the current playback position acquisition unit 48 matches any one or a plurality of change position candidates represented by the change position candidate data. The given timing is, for example, a timing at which a predetermined operation by the player is detected. For example, it is the timing at which occurrence of a predetermined game event is detected in the game. Also, for example, it is the timing when a predetermined game situation (state) change is detected in the game.

  In the present embodiment, the change timing monitoring unit 50 monitors the arrival of a timing (given timing) at which a predetermined operation by the player is detected in the game, and if it is determined that the timing has arrived, Start monitoring for arrival.

  When the change timing monitoring unit 50 determines that the change timing has arrived, the mixing ratio changing unit 52 changes the mixing ratio of the plurality of music data reproduced and output from the music reproducing unit 42. For example, the mixing ratio changing unit 52 limits the volume related to a part of the plurality of music data. Further, for example, the mixing ratio changing unit 52 removes the restriction on the volume related to a part of the plurality of music data.

  In the present embodiment, when the change timing monitoring unit 50 determines that the change timing has arrived, the mixing ratio changing unit 52 reduces the volume to zero when the volume related to the melody data is a predetermined volume value. Change to When the volume related to the melody data is zero, the volume is changed to a predetermined volume value (not zero).

  Here, a process executed by the game apparatus 10 will be described. FIG. 5 is a flowchart showing the processes related to the present invention among the processes executed every 1/60 seconds in the game apparatus 10.

  In connection with the execution of this processing, the main memory 26 stores data as shown in FIG. As shown in the figure, this data includes a reproduction time counter column and a status flag column. In the reproduction time counter column, an elapsed time from the start of reproduction of game music (melody data and rhythm data) is stored in units of 1/60 seconds. Note that the value in the same column is initialized to “0” when the reproduction of game music is started (when the beginning of the game music is reproduced).

  The status flag column stores information (values from 0 to 3) indicating the game music playback status. “0” and “1” indicate a state in which the volume of the melody data is a predetermined volume value. In particular, “1” indicates a state after a predetermined operation of the player is detected (after a given timing) and until the change timing monitoring unit 50 determines that the change timing has arrived. “2” and “3” indicate a state in which the volume of the melody data is zero. In particular, “3” indicates a state after a predetermined operation of the player is detected (after a given timing) and until the change timing is determined by the change timing monitoring unit 50. The value in the same column is initialized to “0” when the reproduction of game music is started. That is, when the reproduction of game music is started, both the melody data and the rhythm data are reproduced at a predetermined volume value.

  As shown in FIG. 6, in this process, the current playback position acquisition unit 48 first increments the value of the playback time counter column of the data stored in the main memory 26 (S101). Next, the change timing monitoring unit 50 determines whether or not a predetermined operation by the player has been detected (S102).

  When a predetermined operation by the player is detected, the change timing monitoring unit 50 updates the status flag column of data stored in the main memory 26 (S103). The change timing monitoring unit 50 updates it to “1” when the status flag column is “0”. If the status flag column is “2”, it is updated to “3”.

  Next, the change timing monitoring unit 50 determines whether the status flag column is “1” or “3” (S104). That is, the change timing monitoring unit 50 determines whether or not it is a state to monitor the arrival of the change timing. If the status flag column is neither “1” nor “3”, this process ends.

  On the other hand, when the status flag is “1” or “3”, the change timing monitoring unit 50 reads the change position candidate data from the change position candidate data storage unit 44 (S105). Then, the change timing determination unit 50 determines whether or not the change timing has arrived based on the change position candidate data read in S105 and the value of the reproduction time counter field (S106). More specifically, the change timing monitoring unit 50 determines whether any of the values stored as change position candidates in the change position candidate data read in S105 matches the value stored in the reproduction time counter column. Judge whether or not. If they match, the change timing monitoring unit 50 determines that the change timing has arrived.

  When it is determined that the change timing has arrived, the mixing ratio changing unit 52 determines whether or not the status flag column is “1” (S107). When the status flag column is “1”, the mixing ratio changing unit 52 changes the volume related to the melody data to zero (S108). That is, the mixing ratio changing unit 52 instructs the music playback unit 42 to change the volume of the A1 and B1 channels to zero. Then, the mixing ratio changing unit 52 updates the status flag column to “2” (S109).

  On the other hand, when the status flag column is not “1”, that is, when the status flag column is “3”, the mixing ratio changing unit 52 changes the volume related to the melody data from zero to a predetermined volume value (S110). That is, the mixing ratio changing unit 52 instructs the music playback unit 42 to change the volume of the A1 and B1 channels from zero to a predetermined volume value. Then, the mixing ratio changing unit 52 updates the status flag column to “0” (S111).

  The above processing is realized by the game apparatus 10 executing a program supplied to the computer via a computer-readable information storage medium such as a DVD-ROM or a communication network.

  As described above, in the game apparatus 10, when it is detected that the player has performed a predetermined operation in the game, the game music is not immediately changed, but the game music is changed (melody data). The timing for giving a change to the game music is controlled based on the change position candidate data in which the change position candidates suitable for changing the sound volume are stored. For this reason, a change can be given at a timing suitable for game music.

  In the game apparatus 10, music based on melody data of game music and music based on rhythm data are mixed and output. When it is detected that the player has performed a predetermined operation in the game, a change is given to the game music. This change is given by changing the mixing ratio between the melody data and the rhythm data. . For this reason, it is possible to change the game music without interrupting the reproduction of the game music.

  As described above, according to the game apparatus 10, when a predetermined operation is performed by the player, when the game scene changes, or when the player's game results satisfy a predetermined condition, A change can be given at a timing suitable for the game music, and a change can be given without interrupting the reproduction of the game music. As a result, the interest of the game can be improved.

  The present invention is not limited to the embodiment described above.

  For example, the music playback unit 42 may be supplied with a plurality of types of melody data and rhythm data. For example, the rhythm data (second rhythm data) different from the rhythm data (first rhythm data) supplied to the A2 and B2 channels may be supplied to the A3 and B3 channels of the music playback unit 42. Good. When it is determined by the change timing monitoring unit 50 that the change timing has arrived, the mixing ratio change unit 52 includes first rhythm data (A2 and B2 channels), second rhythm data (A3 and B3 channels), and The volume may be changed. For example, the volume of the first rhythm data (channels A2 and B2) may be changed to zero, and the volume of the second rhythm data (channels A3 and B3) may be changed from zero to a predetermined volume value. Alternatively, the volume of the second rhythm data (channels A3 and B3) may be changed to zero, and the volume of the first rhythm data (channels A2 and B2) may be changed from zero to a predetermined volume value. In this way, the tone of the game music may be changed.

  Further, for example, music data of a plurality of types of music may be supplied to the music playback unit 42. For example, the music data of the first music may be supplied to the A1 and B1 channels, and the music data of the second music may be supplied to the A2 and B2 channels. In this case, the mixing ratio changing unit 52 may reproduce any one of the A1 and B1 channels and the A2 and B2 channels at a predetermined volume value. That is, when the change timing monitoring unit 50 determines that the change timing has arrived, the mixing ratio change unit 52 changes the volume of the first music (channels A1 and B1) to zero and the second music ( The volume of the A2 and B2 channels) may be changed from zero to a predetermined volume value. Alternatively, the volume of the first music (A1 and B1 channels) may be changed from zero to a predetermined volume value, and the volume of the second music (A2 and B2 channels) may be changed to zero. In this way, the game music to be played may be suitably switched among a plurality of music pieces.

  Further, in this case, the change position candidate data storage unit 44 switches the first change position candidate data when switching from the first music piece to the second music piece, and the second music piece to the first music piece. You may make it memorize | store the 2nd change position candidate data in a case. When the volume of the first music is set to zero (the volume of the second music is set to a predetermined volume value), for example, the timing is controlled based on the first change position candidate data. That's fine. When the volume of the second music is set to zero (the volume of the first music is set to a predetermined volume value), the timing is controlled based on the second change position candidate data, for example. That's fine.

  For example, in the above description, the game music is changed by changing the volume of each channel of the music playback unit 42. However, the game music may be changed by other methods.

  Also, for example, the music data stored in the music data storage unit 40 and supplied to each channel of the music playback unit 42 may be configured to include a plurality of partial music data set with a predetermined playback order. Good. In this case, partial music data of music data corresponding to the channel may be sequentially supplied to each channel of the music playback unit 42 according to the playback order.

  In the above description, the program is supplied from the DVD-ROM 25 serving as an information storage medium to the consumer game machine 11. However, the program may be distributed to a home or the like via a communication network. FIG. 7 is a diagram showing an overall configuration of a program distribution system using a communication network. A program distribution method according to the present invention will be described with reference to FIG. As shown in the figure, the program distribution system 100 includes a game database 102, a server 104, a communication network 106, a personal computer 108, a consumer game machine 110, and a PDA (personal digital assistant) 112. Among these, the game database 102 and the server 104 constitute a program distribution device 114. The communication network 106 includes, for example, the Internet and a cable television network. In this system, a game database (information storage medium) 102 stores a program similar to the content stored in the DVD-ROM 25. Then, when a consumer makes a game distribution request using the personal computer 108, the home game machine 110, the PDA 112, or the like, it is transmitted to the server 104 via the communication network 106. Then, the server 104 reads the program from the game database 102 in response to the game distribution request, and transmits it to the game distribution request source such as the personal computer 108, the home game machine 110, the PDA 112, and the like. Here, the game is distributed in response to the game distribution request, but the server 104 may transmit the game unilaterally. Further, it is not always necessary to distribute (collectively distribute) all programs necessary for realizing the game at a time, and a necessary portion may be distributed (divided distribution) according to the situation of the game. If the game is distributed via the communication network 106 in this way, the consumer can easily obtain the program.

It is a figure which shows the structure of the game device which concerns on this Embodiment. It is a functional block diagram of the game device concerning this embodiment. It is a figure which shows the reproduction | regeneration state of music data. It is a figure which shows an example of timing data. It is a flowchart which shows a music change process. It is a figure which shows an example of the memory content of a main memory. It is a figure which shows the whole structure of the program delivery system which concerns on other embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Game device, 11,110 Home-use game machine, 12 bus | bath, 14 Microprocessor, 16 Image processing part, 18 Monitor, 20 Sound processing part, 22 Speaker, 24 DVD-ROM reproduction | regeneration part, 25 DVD-ROM, 26 Main memory 28 memory card, 30 input / output processing unit, 32 controller, 40 music data storage unit, 42 music playback unit, 44 change position candidate data storage unit, 46 control unit, 48 current playback position acquisition unit, 50 change timing monitoring unit, 52 mixing ratio changing unit, 100 program distribution system, 102 game database, 104 server, 106 communication network, 108 personal computer, 112 personal digital assistant (PDA), 114 program distribution device.

Claims (9)

Music data storage means for storing waveform data as music data;
Music reproduction means for reproducing music based on music data stored in the music data storage means ;
Change position candidate data storage means for storing change position candidate data representing one or a plurality of change position candidates that give a change to the music played by the music playback means by an elapsed time from the start of the music playback. When,
Means for acquiring the current playback position of the music played by the music playback means, wherein the current playback position acquiring means acquires the elapsed time since the music playback started by the music playback means ;
After a given timing, the arrival of a change timing at which the current playback position acquired by the current playback position acquisition means matches one of one or a plurality of change position candidates represented by the change position candidate data. Change timing monitoring means for monitoring;
If the change timing monitoring means determines that the change timing has arrived, music change means for changing the music played by the music playback means;
A game apparatus comprising: Music data storage means for storing waveform data as music data;
Music reproduction means for reproducing music based on music data stored in the music data storage means;
Change position candidate data storage means for storing change position candidate data representing one or a plurality of change position candidates that change the music reproduced by the music reproduction means by the amount of reproduced data of the music data related to the music; ,
Means for acquiring the current playback position of the music played by the music playback means, wherein the current playback position acquisition means acquires the data amount of the music data related to the music that has been played back by the music playback means;
After a given timing, the arrival of a change timing at which the current playback position acquired by the current playback position acquisition means matches one of one or a plurality of change position candidates represented by the change position candidate data. Change timing monitoring means for monitoring;
If the change timing monitoring means determines that the change timing has arrived, a music change means for changing the music played by the music playback means;
A game apparatus comprising: The game device according to claim 1 or 2,
The music data storage means stores a plurality of the music data,
The music reproducing means mixes and reproduces the plurality of music data,
The music changing means changes the music reproduced by the music reproducing means by changing a mixing ratio of the plurality of music data.
A game device characterized by that. The game device according to claim 3.
The music changing means includes means for changing the volume of the part of the plurality of music data when the change timing by said changing timing monitoring means is determined to have arrived at zero, the by the change timing monitoring means A game apparatus comprising: at least one of means for changing a volume of a part of the plurality of music data from zero to a predetermined value when it is determined that the change timing has arrived . The game device according to claim 1 or 2,
The music data storage means stores first music data and second music data,
The music reproduction means reproduces one of the first music data and the second music data at a given volume,
The change position candidate data includes a state in which one of the first music data or the second music data is reproduced at a given volume, and the other of the first music data or the second music data is Represents one or more candidate change positions to switch to a state that is played at a given volume,
The music changing unit is configured to determine that the change timing has arrived by the change timing monitoring unit in a state where one of the first music data and the second music data is reproduced at a given volume. , Switching to a state in which the other of the first music data or the second music data is played at a given volume,
A game device characterized by that. The game device according to claim 5,
The change position candidate data storage means is one or a plurality of change positions for switching from a state in which the first music data is reproduced at a given volume to a state in which the second music data is reproduced at a given volume. Switching from a state in which the first change position candidate data representing the candidates of the first and second music data are reproduced at a given volume to a state in which the first music data is reproduced at a given volume 1 or Second change position candidate data representing a plurality of change position candidates;
Switching from the state in which the first music data is reproduced at a given volume to the state in which the second music data is reproduced at a given volume is performed based on the first change position candidate data. The switching from the state in which the second music data is reproduced at a given volume to the state in which the first music data is reproduced at a given volume is based on the second change position candidate data. Done,
A game device characterized by that. The game device according to any one of claims 1 to 6,
The game apparatus according to claim 1, wherein the given timing is a timing at which a predetermined operation by the player is detected. Music data storage means for storing waveform data as music data;
Music reproduction means for reproducing music based on music data stored in the music data storage means;
Change position candidate data storage means for storing change position candidate data representing one or a plurality of change position candidates that give a change to the music played by the music playback means by an elapsed time from the start of the music playback. ,
Means for acquiring the current playback position of the music played by the music playback means, wherein the current playback position acquisition means acquires the elapsed time since the music playback started by the music playback means;
After a given timing, the arrival of a change timing at which the current playback position acquired by the current playback position acquisition means matches one of one or a plurality of change position candidates represented by the change position candidate data. Change timing monitoring means for monitoring, and
Music change means for changing the music played by the music playback means when the change timing monitoring means determines that the change timing has arrived;
As a program to make the computer function. Music data storage means for storing waveform data as music data;
Music reproduction means for reproducing music based on music data stored in the music data storage means;
Change position candidate data storage means for storing change position candidate data representing one or a plurality of change position candidates that change the music reproduced by the music reproduction means by the amount of reproduced data of the music data related to the music;
Means for acquiring the current playback position of the music played by the music playback means, wherein the current playback position acquisition means acquires the data amount of the music data related to the music that has been played by the music playback means;
After a given timing, the arrival of a change timing at which the current playback position acquired by the current playback position acquisition means matches one of one or more change position candidates represented by the change position candidate data. Change timing monitoring means for monitoring, and
Music change means for changing the music played by the music playback means when the change timing monitoring means determines that the change timing has arrived;
As a program to make the computer function.

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