JP3775156B2 - Mobile phone - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mobile phone capable of generating a multi-part ring melody. Here, in this specification, the mobile phone is used as a concept indicating both a so-called mobile phone known as a cellular system and a PHS phone of a simple mobile phone system.
[0002]
[Prior art]
When there is an incoming call to the mobile phone, a ringing tone is emitted to notify the user of the incoming call. Conventionally, a beep sound has been generally used as the ring tone, but since the beep sound is annoying, a sound that can generate a melody sound as a ring tone instead of the beep has been put into practical use. This is a so-called ringtone.
[0003]
In addition, this ringing melody is not a single tone, and those that can play music of multiple parts have been put into practical use. Since it is difficult for users to create such ringing melody by themselves, it is difficult to create a network. It can be distributed as music data and can be downloaded by anyone.
[0004]
[Problems to be solved by the invention]
However, since the music data to be distributed is created so that it can be played back universally on any mobile phone, the characteristics of the tone signal formed by the sound source built into each mobile phone and the built-in speaker However, when the music data is played on an actual mobile phone, there is a problem that the balance of each part is bad or the tone is not appropriate.
[0005]
An object of the present invention is to provide a mobile phone capable of reproducing a ringing melody with a good volume balance based on music data created for general purposes.
[0006]
[Means for Solving the Problems]
The invention of claim 1 Interface and each part Role Part volume setting data that is the volume increase / decrease value for And from the interface, From multiple parts Musical score data Music data including part attribute data indicating the role of each part Remember Storage means and the music data Sheet music data Sound source means for forming a multi-part musical sound signal based on the above, and part volume setting data with reference to the part volume setting data Of each part Level control means for instructing the sound source means for a volume increase / decrease value.
In a second aspect of the present invention, a user sets and inputs the part volume setting data.
An input means is further provided.
[0007]
Claim 3 The invention of The storage means further stores timbre volume setting data which is a volume increase / decrease value for each timbre, The level control means includes The volume increase / decrease value calculated by referring to the timbre volume setting data with the timbre set for each part of the music data. In the sound source means finger It is characterized by showing.
[0008]
Claim 4 The invention of Said An output means for acoustically outputting a musical sound signal formed by the sound source means; and frequency Memorized characteristic data Frequency characteristic data Storage means; The frequency The tone signal generated by the sound source means based on the characteristic data frequency Adjust characteristics frequency Characteristic adjustment means, further It is characterized by having.
[0010]
When music data such as a ringing melody is composed of a plurality of parts, each part often has a different role such as a melody, accompaniment, bass, rhythm, etc. In the invention of claim 1, this role is designated as part attribute. The data is stored together with or included in the music data. As music data, general-purpose data downloaded from an external device or a network can be used. When the music data is played, the sound level of each part is controlled based on the part attribute data. The sound generation level is the amplitude level of the tone signal formed by the sound source means, and this tone generation level corresponds to the volume when the tone signal is output as it is from a speaker or the like without volume adjustment. For example, the sound level (volume) of the melody part is set higher than the sound level of the other parts and lower than the sound level of the base part. By doing in this way, even if the sound generation function of the sound source means is different for each mobile phone, it is possible to perform with a good volume balance between the parts.
[0011]
Claim Invention of 3 Then, the sound source means can form a musical tone signal of a plurality of timbres based on the timbre data stored in the storage means. The sound source means forms a musical tone signal such as a ring tone melody sound of a plurality of timbres (plural parts) based on the music data. At this time, even if a musical tone signal is formed by the same procedure, there are musical tone signals that increase in volume and other musical tone signals that become smaller. Therefore, a gain parameter is stored corresponding to each tone color, and each tone color is stored based on this gain parameter. The imbalance between timbres was corrected by controlling the sound level. As a result, even if there is a variation in volume between timbres, it is possible to correct this and form a musical tone signal of a plurality of timbres with an accurate volume.
[0012]
The mobile phone is provided with output means such as a speaker. The built-in output means is different for each mobile phone model, and the characteristics such as frequency characteristics are also different. When musical sounds of a plurality of parts having different pitches are acoustically output, the volume and sound quality of each part change depending on the characteristics of the output means. Therefore, in the invention of claim 3, the characteristic data of the output means is stored, and the characteristic of the tone signal formed by the sound source means is adjusted to cancel the characteristic of the output means. As a result, the musical sound that is output as a sound is output as a sound having a flat characteristic in which the adjusted signal characteristic and the frequency characteristic of the output means are offset.
[0013]
Note that a plurality of output means such as a calling speaker, a receiving speaker, and an earphone are connected to the mobile phone. Therefore, by storing the characteristic data for each output means in the storage means and adjusting the characteristic of the tone signal with the characteristic data of the output means used at that time, it is possible to flatten the sound output from any output means. Sounds with special characteristics can be output.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a block diagram of a mobile phone according to an embodiment of the present invention. A system CPU 10 for controlling the overall operation of the mobile phone has a system RAM 11, a system ROM 12, a communication unit 13, a sound processing unit (coder / decoder) 14, a music performance unit 15, a variable gain amplifier 18, a variable gain, via a bus 29. An amplifier 21 (21a, 21b), an interface 27, an input unit 24, a display unit 25, and a vibrator 26 are connected. The system CPU 10 controls the operation of each part of the mobile phone 1 by executing a telephone function program, and has a built-in timer that indicates an elapsed time during operation or generates a timer interrupt at a specific time interval. Yes. When the system CPU 10 receives an interrupt request signal (IRQ) from the music performance unit 15, the system CPU 10 executes a processing operation that assists music performance processing described later. In the system RAM 11, a music data storage area for storing music data of music played by the music playing unit 15, a setting data storage area for storing user setting data, and the like are set. The music data includes part attribute data and score data. The music data can be downloaded from the download center via the communication unit 13 and can be transferred from the external device 2 such as a personal computer via the interface 27. The user setting data storage area also includes a part volume setting data storage area for storing user input values of part volume setting data for setting the volume of each part of the four-part music played with the music data. The system ROM 12 stores various data such as various telephone function programs for transmission and reception executed by the system CPU 10, programs for assisting music reproduction processing, preset default music data, and the like.
[0015]
The communication unit 13 demodulates a signal received by the antenna 1a, modulates a signal to be transmitted, and supplies the modulated signal to the antenna 1a. The received signal demodulated by the communication unit 13 is decoded by the voice processing unit (coder / decoder) 14, and the transmission signal input from the microphone 28 is compressed and encoded by the voice processing unit 14. The voice processing unit 14 performs high-efficiency compression coding / decoding of voice for transmission, and is, for example, a CELP (Code Excited LPC) system or ADPCM (adaptive differential PCM coding) coder / decoder. The reception signal demodulated by the audio processing unit 14 and the transmission signal input from the microphone 28 are emitted from the reception speaker 23 via the variable gain amplifier 21 a and the mixer 22. The sound processing unit 14 can also input a musical tone that has played a musical piece from the musical piece playing unit 15, compress the encoded musical sound, and input the musical tone to the communication unit 13.
[0016]
The music performance unit 15 is an LSI capable of playing a multi-tone music based on music data stored in the system RAM 11 or the system ROM 12. This LSI has a built-in sequencer that performs automatic performance functions and a tone generator that forms musical sound waveforms. By supplying music data, this LSI plays various types of music (including only music without melody). Can do. Details of the music performance unit 15 will be described later.
[0017]
The musical tone signal formed by the music performance section 15 is emitted from the calling speaker 20 via the variable gain amplifier 18. Note that the musical tone signal formed by the music performance unit 15 is also output to the audio processing unit 14 and the variable gain amplifier 21b. The musical sound signal amplified by the variable gain amplifier 21 b is emitted from the receiving speaker 23 via the mixer 22. The musical tone signal formed by the music performance unit 15 is used as a ring tone (including a listening sound and a karaoke sound), a holding tone, and BGM. When used as a ring tone, the gain of the variable gain amplifier 18 is increased so that the tone is emitted from the calling speaker 20. When using as a holding tone or BGM, the gain of the variable gain amplifier 21b is increased so that the tone is emitted from the receiving speaker 23, and a tone signal is input to the voice processing unit to input the tone. Make sure the signal is sent to the other party. When the musical tone is output as a holding tone, the microphone 28 is turned down to prevent the microphone input signal from being transmitted to the other party of the call, and the gain of the variable gain amplifier 21a is also turned down from the receiving speaker 23. This microphone sound is not output. On the other hand, when the musical sound is used as BGM, the microphone 28 and the gain of the variable gain amplifier 21a are set to be the same as those in a normal call so that the microphone sound and the musical sound are transmitted to the other party together and are used for receiving a call. Output from the speaker 23.
[0018]
The interface (I / F) 27 is an interface for connecting to an external device 2 such as a personal computer, and the music data can be transferred from the external device 2. The input unit 24 includes “0” to “9” dial buttons and various function buttons provided in the mobile phone 1. The display unit 25 displays a menu corresponding to a telephone function menu or a button operation such as a dial button. The vibrator 26 is a vibrator that notifies the user of an incoming call by vibrating the main body of the mobile phone 1 instead of a ringing tone when receiving an incoming call.
[0019]
A configuration example of the music performance unit 15 is shown in FIG. In FIG. 2, an interface 30 is an interface for receiving various types of data via a bus 29. Various types of data including speaker characteristic data, part attribute data, part volume setting data, score data, and timbre data, and what data is received. The index data (INDEX) indicating whether the data is the same data is separated, the data is output from the DATA output, and the index data (INDEX) is output from the INDEX output.
[0020]
The INDEX decoder 32 decodes the index data and supplies a write pulse (WP) and a latch pulse (LP) of IRQ point data, which will be described later, to the FIFO 31, and data such as START / STOP received by the sequencer 33 is DATA of the interface 30. When output from the output, the index data AD1 indicating that is supplied to the sequencer 33, and when the timbre data received by the timbre data storage unit (Voice RAM) 34 is output from the DATA output of the interface 30, the timbre data storage unit 34 is supplied with index data AD2 indicating that. Further, when the speaker characteristic data received by the speaker characteristic data register 40 is output from the DATA output of the interface 30, index data AD3 indicating that fact is supplied to the speaker characteristic data register 40, and the part attribute data register 41 receives the part attribute data. When data is output from the DATA output of the interface 30, index data AD4 indicating that is supplied to the speaker characteristic data register 41. Further, when the part volume setting data received by the volume controller 42 is output from the DATA output of the interface 30, index data AD5 indicating that fact is supplied to the volume controller 42.
[0021]
A FIFO (First-In First-Out) 31 is a storage means capable of storing the score data shown in FIG. 3B for 32 words, and is sequentially read out from the previously written score data. When the musical score data is sequentially read from the FIFO 31 and a predetermined amount (IRQ points) of free space is generated, the FIFO 31 sends an interrupt request signal (IRQ) to the system CPU 10.
[0022]
The sequencer 33 applies a read pulse (Read) to the FIFO 31 to sequentially read the score data from the FIFO 31, and inputs the sound generation parameter corresponding to the score data to the sound source unit 35 corresponding to the time information in the score data.
[0023]
The timbre data storage unit 34 is storage means for storing timbre data taken from the DATA output of the interface 30 and has a storage capacity capable of storing timbre data for eight timbres. A large number of timbre data are stored in the system RAM 11 or the system ROM 12, and necessary ones, that is, those used by music data to be played are transferred to the timbre data storage unit 34.
[0024]
The speaker characteristic data register 40 is a storage unit that stores speaker characteristic data captured from the DATA output of the interface 30. The speaker characteristic data is data representing the characteristics of the speaker provided in the mobile phone and the characteristics of the connected earphone, for example, as shown in FIG. The speaker characteristic data is stored in the system ROM 12 or the system RAM 11. When the performance is started or when the earphone is connected / removed to / from the earphone jack, the corresponding speaker characteristic data is stored in the speaker characteristic data register 40 via the CPU 10 -interface 30. Supplied. Note that the speaker characteristic data corresponding to the reception speaker 20 and the calling speaker 23 which are built-in speakers is written in the system ROM 12 or the system RAM 11 according to the model of each mobile phone, and the speaker characteristic data corresponding to the earphone is general. Those of the earphones are written in the system ROM 12 or the system RAM 11. The speaker characteristic data may be arbitrarily set by the user from the input unit 24. At this time, if the speaker characteristic data table as shown in FIG. 3C is displayed on the display unit 25, the user can easily perform the setting operation.
[0025]
The part attribute data register 41 is a storage unit that stores part attribute data fetched from the DATA output of the interface 30. The part attribute data is data indicating the timbre assigned to the four parts of the sound source unit 35 and what role (melody, accompaniment, bass, drum, etc.) each part plays in the musical composition, as shown in FIG. The configuration is as shown. The part attribute data is written at the head of the music data, and is read first when the music data is supplied to the music performance unit 15. The timbre of each part specified by the part attribute data is supplied to the timbre data storage unit 34, and the specified timbre data is supplied to each part of the sound source unit 35.
As described above, the music data is composed of the part attribute data shown in FIG. 3A and the score data shown in FIG. 3B, and can be acquired from the download center (see FIG. 5) or the external device 2.
[0026]
The tone generator 35 can simultaneously generate four-part musical tone signals, and each part is set to a timbre read from the timbre data storage unit 34 according to the part attribute data, and follows the tone generation parameters supplied from the sequencer 33. A musical tone signal having a pitch and a sound duration is generated for each part. The generated musical sound signals for the four parts are supplied to the equalizer 36 and the frequency characteristics are adjusted. After that, it is supplied to a digital-analog converter (DAC) 37 and becomes an analog musical tone signal. Analog tone signals are output to the variable gain amplifiers 18 and 21b. A digital musical tone signal that does not pass through the DAC 37 is input to the voice processing unit 14.
[0027]
The equalizer 36 includes a group of filters that adjust the frequency characteristics of the musical sound signal, and the frequency characteristics of the musical sound signal output from the speaker (earphone) according to the speaker characteristic data input from the speaker characteristic data register 40. Adjust the frequency characteristics of the tone signal so that it is flat.
[0028]
The volume controller 42 is a circuit that controls the volume of each part of the sound source unit 35, and outputs the tone parameter of each part to the sound source unit 35. The volume controller 42 includes a register that stores part volume setting data fetched from the DATA output of the interface 30. The part volume setting data is data for setting at what level the tone signal of each part (melody part, accompaniment part, bass part, drum part, etc.) is formed, as shown in FIG. It is configured. This part volume setting data is stored in the system ROM 12 and the system RAM 11. Default values are stored in the system ROM 12, and user setting values input from the input unit 24 are stored in the system RAM 11. At this time, if the part volume setting data table as shown in FIG. 3D is displayed on the display unit 25, the user can easily perform the setting operation. The CPU 10 inputs the part volume setting data to the music performance unit 15 at a timing such as when the music data is supplied or when the user setting value is changed. The user set value is reset by a reset operation or the like.
[0029]
In addition to the above part volume setting data, speaker characteristic data is input from the speaker characteristic data register 40, part attribute data is input from the part attribute data register 41, and timbre gain parameter is input from the timbre data storage unit 34 to the volume controller 42 when the music is played. . Based on these data, the volume controller 42 determines the sound level of the tone signal of each part for the sound source unit 35, generates a level parameter indicating this level, and inputs it to the sound source unit 35.
[0030]
Hereinafter, the operation of the mobile phone 1 and the music performance unit 15 will be outlined.
When the mobile phone 1 is set to the download mode, the music data is downloaded from the download center or an external device and written into the system RAM 11. If the download mode is set when the external device 2 such as a personal computer is connected to the interface 27, the interface 27 is opened to operate to fetch music data from the external device 2. Further, when the download mode is set when the external device 2 is not connected to the interface 27, the operation is performed by calling the download center and taking in the music data.
[0031]
FIG. 5 is a diagram showing a mobile phone exchange network. The download center is normally connected to the general exchange as shown in the figure, but may be provided in any of the gateway exchange, mobile exchange, and base station.
[0032]
When the mobile phone 1 is set to the music selection mode, the user can select music to be played by the music playing unit 15 by operating the input unit 24 and the display unit 25. The music data of the music selected by the user is read from the system RAM 11 or the system ROM 12 at the beginning (part attribute data, timbre data, and score data for 32 words) and set in advance in the music performance unit 15. At the same time, speaker characteristic data and part volume setting data are also set.
[0033]
In the music performance unit 15, the timbre data for eight tones in the music data fetched via the interface 30 is indexed by the INDEX decoder 32 by decoding the index data attached to the timbre data into the timbre data storage unit 34. By being supplied as data AD2, it is written in the timbre data storage unit. The timbre data written in the timbre data storage unit 34 can be selected and transferred from a large number of timbre data stored in the system RAM 11. An example of the configuration of the timbre data for the eight timbres written in the timbre data storage unit 34 is shown in FIG.
[0034]
As shown in FIG. 4, the timbre data of timbre 1 to timbre 8 includes timbre gain parameters, waveform parameters, envelope parameters, modulation parameters, effect parameters, and the like. Has been. The waveform parameter in each timbre data indicates a musical sound waveform. For example, when the sound source unit 35 is a PCM sound source having a waveform table, it is set as a parameter indicating any waveform in the waveform table. When 35 is an FM sound source, the parameter is used to instruct an FM calculation algorithm. Envelope parameters are parameters such as attack rate, decay rate, sustain level, release rate, modulation parameters are parameters of depth and speed of vibrato and tremolo, and effect parameters are parameters of reverb, chorus, variation, etc. . The timbre gain parameter is a parameter that adjusts the degree to which the timbre is audibly noticeable. In the case of a timbre that stands out from the volume, the gain (so that the level is pronounced to a certain extent below the volume indicated by the score data) -DB) is set.
[0035]
In FIG. 2, the part attribute data fetched via the interface 30 is decoded by the index data 32 attached to the part attribute data and supplied to the part attribute data register 41 as index data AD4. The part attribute data register 41 takes in. Tempo data (Tempo) in the music data is taken into the sequencer 33 when the INDEX decoder 32 decodes the index data attached to the tempo data and supplies it to the sequencer 33 as index data AD1. Since the timbre data for the music data to be reproduced is transferred and written in the timbre data storage unit 34, various timbres can be selected by selecting desired timbre data from the system RAM 11 and writing it in the timbre data storage unit 34. Music can be played.
[0036]
Further, the musical score data in the music data fetched through the interface 30 is obtained by decoding the index data attached to the musical score data by the INDEX decoder 32 and supplying a write pulse (WP) to the FIFO 31. The score data for 32 words is written in. The 32 words are part of the musical score data of one musical piece, and the first musical score data.
[0037]
The musical score data written in the FIFO 31 is composed of note data and rest data, and an example of the data configuration is shown in FIG. The note data of one word shown in FIG. 3 (B) is composed of octave chord and note code, part number to which the note data belongs, interval that is the time length to the next note or rest, and pronunciation length information. The Also, the rest data of one word shown in FIG. 3B includes rest data indicating the type of rest, a part number to which the rest data belongs, and an interval that is a time length to the next note or rest. It consists of and.
[0038]
When a call signal from another telephone is detected by the communication unit 13 or when the user instructs the performance of the music with a holding sound, BGM, karaoke sound, etc., the performance of the music set in advance in the music performance unit 15 Start.
[0039]
Also, the speaker characteristic data input via the interface 30 is obtained by decoding the index data attached to the speaker characteristic data by the INDEX decoder 32 and supplying it to the speaker characteristic data register 40 as index data AD3. It is written in the characteristic data register 40. The part volume setting data input via the interface 30 is decoded by the INDEX decoder 32 by the index data attached to the part volume setting data and supplied to the volume controller 42 as index data AD5. 42. The speaker characteristic data is input to the music performance unit 15 not only in the music selection mode but also when the earphone is connected / disconnected. The part volume setting data is input every time the user operates the input unit 24 to adjust the volume of each part.
[0040]
Here, when a start instruction for reproducing music data is input to the music reproducing unit 15, the sequencer 33 applies a read pulse (Read) to the FIFO 31 to sequentially read the score data from the FIFO 31, and the score data is the note data. In this case, the pitch data of the octave chord and note chord in the musical score data, part designation information, and data for instructing key-on are input to the sound source unit 35 at a timing based on the set tempo information and interval information. At the same time, the volume controller 42 receives part volume setting data, speaker characteristic data, and part attribute data. The volume controller 42 inputs the sound level of each part determined based on these data to the sound source unit 35 as a level parameter. The tone generator unit 35 generates a tone signal having a specified tone color, a specified pitch, and a specified level from these data set in the tone generator register. Then, the sequencer 33 designates the key-off data of the musical tone signal in the sound source unit 35 by designating the part at the timing when the sound generation length of the note data has elapsed. As a result, the sound source unit 35 performs a silencing process on the musical sound signal.
[0041]
A musical sound signal formed by executing such processing every time the musical score data is read from the FIFO 31 is output from the sound source unit 35 to the equalizer 36. The equalizer 36 adjusts the frequency characteristic of the input tone signal in accordance with the frequency characteristic of the speaker. That is, when the musical sound signal is output from the speaker, the frequency characteristic of the sound is adjusted to be flat. After that, it is output to the audio processing unit 14 and the DAC 36, which are output destinations, and the musical sound signal converted into an analog signal by the DAC 37 is output to the amplifiers 18 and 21b.
[0042]
In addition, the note data and rest data described above are sequentially read from the FIFO 31 as described above, and an empty area is generated in the FIFO 31 by the read amount. Since only the first 32 words of the score data are written in the FIFO 31, the next score data following the generated empty area is read from the system RAM 11 and newly written. As a result, it is possible to play high quality musical tones with a large amount of data. How many words of empty area are generated in the FIFO 31 and the next musical score data is written into the FIFO 31, that is, how many words of empty area are generated when an interrupt request signal (IRQ) is input to the system CPU 10 IRQ point data is preset.
[0043]
When the empty area detected in the FIFO 31 becomes equal to the IRQ point data value as the musical tone reproduction proceeds, an interrupt request signal (IRQ) is given to the system CPU 10. In response to this, the system CPU 10 reads the next musical score data from the system RAM 11 (31-IRQ points) and sends it to the bus 29. This musical score data is written in the empty area of the FIFO 31 via the interface 30. By repeating the process of writing the next musical score data of (31-IRQ points) words to the FIFO 31 as described above, even if the musical score data is composed of a lot of data, all the data is finally stored in the FIFO 31. Will be written. The musical score data read from the FIFO 31 is reproduced and output in accordance with the tempo in the sound source unit 35. Therefore, for example, 32 words of music data capable of obtaining a high-quality reproduced musical sound, which is a large amount of data, are obtained. Even if the FIFO 31 that can only be stored is used, it can be reproduced.
[0044]
The operation of the mobile phone will be described with reference to the flowchart of FIG.
FIG. 6A is a flowchart showing the operation in the download mode. When the user operates the input unit 24 to set the download mode, first, it is confirmed whether the external device 2 is connected to the interface 27 (s1). When the external device 2 is connected, the music data is taken from the external device 2 and stored in the system RAM 11 (s2). If the external device 2 is not connected to the interface 27, a call is made to the download center (s3), and music data is downloaded from the download center and stored in the system RAM 11 (s4).
[0045]
FIG. 5B is a flowchart showing the operation in the music selection mode. The user operates the input unit 24 to set the music selection mode, and inputs a music title, music number, etc. to specify a music (music selection input: s11). Then, the music data of the selected music is retrieved from the system RAM 11 or the system ROM 12 (s12), and the part attribute data written at the head of the music data is input to the music performance unit 15 (s13). The timbre data used in the data is input from the system RAM 11 or the system ROM 12 to the music performance unit 15 (s14). Then, the first 32 words of the score data are input to the music performance unit 15 (s15). Thus, the music performance unit 15 is set up so that the music data can be played anytime.
[0046]
FIG. 5C is a flowchart showing the operation when a performance trigger occurs. The performance trigger is generated when a call (incoming call) is received from another telephone, when a hold operation is performed during a call, or when a music reproduction operation is performed when a call is not being performed. First, it is determined by what the performance mode, that is, the performance trigger is generated (s21). In the case of a performance trigger by an incoming call or a playback operation by the user, it is determined whether the earphone is currently connected (s22). When the earphone is not connected, after the characteristic data indicating the frequency characteristic of the calling speaker 20 is input to the music performance unit 15 (s23), the music performance unit 15 is instructed to start performance (s26). On the other hand, when the earphone is connected, after the characteristic data indicating the frequency characteristic of the earphone is input to the music performance unit 15 (s24), the music performance unit 15 is instructed to start the performance (s26). Further, when a performance trigger is generated by the hold operation (s21), the characteristic data indicating the frequency characteristic of the receiving speaker 23 or the frequency characteristic considering the transmission frequency characteristic to the other party connected through the telephone line. After data is input to the music performance unit 15 (s25), the music performance unit 15 is instructed to start performance (s26).
[0047]
When the earphone is inserted / removed while the music is being played as the ringtone or according to the reproduction operation, the characteristic data is input to the music performance section 15 each time.
[0048]
In the above embodiment, the volume balance of each part is the same in any performance mode, but the volume balance may be changed according to the performance mode. For example, in the case of a playback mode by a playback operation, the volume of the melody is reduced in consideration of using as karaoke. In this case, part volume setting data is provided for each performance mode, and the corresponding part volume setting data is input to the music performance section 15 in accordance with the determination of the performance mode of s21 in FIG. This modification may be included in the present invention.
[0049]
Further, the speaker characteristic data shown in FIG. 3 is only the frequency characteristic of the speaker, but the characteristic of the output means in the present invention is not limited to the frequency characteristic. For example, the power / volume characteristic of how much sound is output when a signal of a predetermined power is input is also included in the characteristics of the present invention, and the sound of the same volume is output according to this characteristic. It is also included in the present invention to adjust the power in such a manner.
[0050]
【The invention's effect】
As described above, according to the present invention, when music data such as a ringing melody is played, the volume of each musical tone signal according to the attribute of each of a plurality of parts, the tone of each part, and the frequency characteristics of output means such as a speaker. In order to adjust the characteristics of the mobile phone, it is possible to achieve a well-balanced performance even when playing music data that has not been created individually for each model of mobile phone.
[Brief description of the drawings]
FIG. 1 is a block diagram of a mobile phone according to an embodiment of the present invention.
FIG. 2 is a block diagram of a music playing unit of the mobile phone
FIG. 3 is a diagram showing a configuration of music data, speaker characteristic data, and part volume setting data used in the mobile phone.
FIG. 4 is a diagram showing an example of stored contents of a timbre data storage unit of the music performance unit
FIG. 5 is a diagram showing a network for making a call on the mobile phone
FIG. 6 is a flowchart showing the operation of the mobile phone.
[Explanation of symbols]
1 ... mobile phone, 1a ... antenna, 2 ... external device,
DESCRIPTION OF SYMBOLS 10 ... System CPU, 11 ... System RAM, 12 ... System ROM, 13 ... Communication part, 14 ... Sound processing part, 15 ... Music performance part, 18 ... Variable gain amplifier, 20 ... Calling speaker, 21a, 21b ... Variable gain Amplifier, 22 ... mixer, 23 ... receiving speaker, 24 ... input unit, 25 ... display unit, 26 ... vibrator, 27 ... interface, 28 ... microphone, 29 ... bus,
DESCRIPTION OF SYMBOLS 30 ... Interface, 31 ... FIFO, 32 ... INDEX decoder, 33 ... Sequencer, 34 ... Tone data storage part, 35 ... Sound source part, 36 ... Equalizer, 37 ... DAC, 40 ... Speaker characteristic data register, 41 ... Part attribute data register 42 Volume controller

Claims (4)

Interface,
Stores the part volume setting data which is the volume increase and decrease value of the role of each part, taken from the interface, memory for storing the music data comprising the part attribute data indicating the role of the musical score data and each part ing from a plurality of parts Means,
Sound source means for forming a musical sound signal of a plurality of parts based on the musical score data of the music data ;
Level control means for instructing the sound source means the volume increase / decrease value of each part determined by referring to the part volume setting data in the part attribute data of the music data;
Mobile phone equipped with.   The mobile phone according to claim 1, further comprising an input means for a user to set and input the part volume setting data. The storage means further stores timbre volume setting data which is a volume increase / decrease value for each timbre,
3. The portable device according to claim 1, wherein the level control means instructs the sound source means to determine a volume increase / decrease value obtained by referring to timbre volume setting data with a timbre set for each part of the music data. Phone. Output means for acoustically outputting a musical sound signal formed by the sound source means;
Frequency characteristic data storage means for storing frequency characteristic data of the output means;
A frequency characteristic adjusting means for adjusting a frequency characteristic of a musical tone signal formed by the sound source means based on the frequency characteristic data;
The mobile phone according to claim 1, 2 or 3, further comprising:

Images