KR100555092B1 - Portable communication terminal - Google Patents

Abstract

The present invention is a portable communication terminal having a communication unit for receiving an electric field, a measuring unit for measuring the strength of an electric field received by the communication unit, and a sound reproducing unit for reproducing a ringing tone with a sound quality selected according to the strength of the electric field measured by the measuring unit. .

Description

Portable communication terminal {PORTABLE COMMUNICATION TERMINAL}

1 is a block diagram showing the configuration of a portable communication terminal according to a first embodiment of the present invention;

FIG. 2 is a block diagram showing an example of the configuration of a music reproducing section of the portable communication terminal of FIG. 1;

3A is a diagram showing a format of a simple sequence file that can be reproduced using the music reproducing section 22 of FIG. 2;

3B is a diagram showing a format of a sequence file with a tone data that can be reproduced using the music reproducing section 22 of FIG. 2;

FIG. 3C is a diagram showing a format of a stream file that can be reproduced using the music reproducing section 22 of FIG.

FIG. 3D is a diagram showing a format of an FM communication sensitivity-compatible set file that can be reproduced using the music reproducing section 22 of FIG. 2;

FIG. 3E is a diagram showing a format of a mixed WT noise file that can be reproduced using the music reproducing section 22 of FIG. 2;

FIG. 4 is a flowchart showing a flow of an incoming process when using a music file of the FM communication sensitivity correspondence set of FIG. 3D; FIG.

FIG. 5 is a flow chart showing the flow of an incoming process in the case of using the mixing WT noise file of FIG. 3E;

FIG. 6 is a block diagram showing an example of a schematic configuration of an entire communication system having a server apparatus according to a second embodiment of the present invention, to which the portable communication terminal of FIG. 1 and the portable communication terminal can be connected.

<Description of the symbols for the main parts of the drawings>

10: mobile communication terminal 11: CPU

13 working area 14 liquid crystal display

15: operation unit 16: communication unit

23: speaker 24: headphones

25: interface circuit 26: bus

The present invention relates to a portable communication terminal such as a mobile phone and a server device capable of delivering various data to the portable communication terminal.

Since portable communication terminals, such as a mobile telephone and a PHS, are movable, the received electric field strength of these portable communication terminals is not constant. In addition, conventionally, the reception electric field strength is displayed by displaying one to many bar-shaped marks on the display unit of the portable communication terminal. By looking at the received field strength indication mark on the display unit, the user searches for a place with a good radio wave condition (large received field strength) and makes a call or the like at the place.

However, in the above-mentioned conventional portable communication terminal, it is not known that the radio wave state is good or bad unless the user sees the display unit. Therefore, when there is an incoming call or the like, when the radio wave state is poor by looking at the display unit, it is necessary to move to a place with a good radio wave state while viewing the display unit. For example, in a folding cell phone or the like, when there is an incoming call when the phone is in a folded state, the cell phone can be opened and the display section can be used to determine the radio wave condition. Move to a place with good radio wave conditions.

A first object of the present invention is to provide a portable communication terminal capable of notifying a received electric field strength by a method other than display of a display unit such as sound quality of an incoming melody.

A second object of the present invention is to provide a server device capable of delivering a music file capable of changing sound quality in accordance with a radio wave condition to a portable communication terminal.

The present invention to achieve the above object, Communication unit for receiving an electric field; A measuring unit measuring the strength of the electric field received by the communication unit; A storage unit for storing a music file including sequence data representing a piece of music and a plurality of sets of tone data corresponding to the sequence data for each intensity of the electric field; And when receiving an incoming call, select a set of tone data corresponding to the intensity of the electric field measured by the measurement unit from the plurality of tone data, and reproduce the sequence data using the selected tone data. And a sound reproducing unit for reproducing a ringing tone corresponding to the strength of the electric field.

In addition, the present invention to achieve the above object, Communication unit for receiving an electric field; A measuring unit measuring the strength of the electric field received by the communication unit; A storage unit which stores a first music file for generating a noise sound and a second music file for producing music; A control unit which determines the level of the electric field by comparing the intensity of the electric field measured by the measuring unit with a predetermined threshold value, and outputs a control signal for setting the volume level of the noise sound according to the determined electric field level; And when the incoming call is received, simultaneously playing back the second music file and playing back the first music file at a volume level set by the control signal in parallel with the playback of the second music file, the music and the noise. Provided is a portable sound terminal comprising a music reproducing unit for reproducing a ringing tone including a sound.

At this time, it is preferable that the control unit outputs the control signal for setting the volume level of the noise sound low as the level of the determined electric field increases.

In order to achieve the above object, the present invention provides a server device connectable to a portable communication terminal comprising: a first music file and a sound quality having noise data for generating a noise sound and sequence data indicating a melody of the music; A connection portion connected to a database for storing at least one of a second piece of music file having a plurality of different tone data and sequence data indicating a melody of a piece of music, and the first and second portions from the database at the request of the portable communication terminal. A server apparatus is provided having a transmitting section that reads at least one of a music file and transmits the read music file to the portable communication terminal.

According to the present invention, the incoming melody can be reproduced with sound quality corresponding to the received electric field strength, and the user can know the received electric field strength without looking at the electric field strength indication on the display unit.

In addition, according to the present invention, the music file of the incoming melody of sound quality corresponding to the received electric field strength can be delivered to the user.

EMBODIMENT OF THE INVENTION Hereinafter, 1st Embodiment of this invention is described in detail according to drawing.

1 is a block diagram showing the configuration of a portable communication terminal 10 according to the first embodiment.

In Fig. 1, reference numeral 11 denotes a central processing unit (system CPU) which controls the entire portable communication terminal 10, 12 denotes various communication control programs, control programs such as a program for reproducing music, and a preset music file. And a system ROM which stores various constant data, 13, which is used as a work area, and which stores various data such as music files and tone data downloaded from a delivery server or created by a user, and 14 a liquid crystal display device (LCD). ), And as described above, the display field 14 displays the received electric field strength using a bar mark. In addition, 15 is an operation part which has many operation buttons etc., 16 is a communication part which consists of a modulation / demodulation part etc., and is connected to the antenna 18. As shown in FIG. In the communication unit 16, an electric field strength measuring unit 17 for measuring the received electric field strength in accordance with the demodulation output from the demodulation unit or the reception intermediate frequency signal is formed. The music file storage area and the tone data storage area of the system RAM 13 are preferably made nonvolatile by use of a flash memory or battery backup. Although not shown in FIG. 1, the portable communication terminal 10 includes a vibrator and a light emitting display unit.

In addition, 19 is a voice processing unit (audio CODEC) which is connected to a talk microphone 20 and a sign speaker 21, and has a function of encoding and decoding a voice signal for a call, and 22 has a sound source. A music reproducing unit for reproducing music according to a music file stored in the system RAM 13 or the like, 23 is a speaker used for notification of incoming calls, 24 is a headphone, and 25 is an external device such as an external personal computer or other portable communication terminal. An external interface circuit 26 for transmitting and receiving various data therebetween, 26 is a bus for performing data transfer between the components 11 to 16, l9, 22, and 25.

2 is a block diagram showing an example of an internal configuration of the music reproducing section 22. As shown in FIG. The music file can be reproduced using the music reproducing section 22 to form an incoming melody or a reserved sound. Moreover, it is also possible to listen to a music by playing a music file at the time of a non-call.

In FIG. 2, 31 is an interface unit connected to the bus 26, 32 is an FM-type sound source (polyphonic FM sound source) capable of generating a plurality of channel sounds, 33 is a sound channel of a plurality of channels The sound source (polyphonic WT sound source) of the waveform memory system which can be made, 34 is the tone ROM which memorizes the tone data of the preset tone which is preset in this portable communication terminal 10, 35 is the tone data. It is a tone RAM. The WT sound source 33 may be either the PCM method or the ADPCM method. The tone ROM 34 also stores tone data of the GM 128 tone tone data and tone set data of the drum set as tone data of the preset tone tone. The FM sound source 32 and the WT sound source 33 generate sound wave waveform data of the tones specified in the plurality of pronunciation channels based on the tone data stored in the tone ROM 34 or the tone RAM 35.

In addition, 36 is a mixer for mixing sound wave waveform data generated by the FM sound source 32 or the WT sound source 33, and the output of the mixer 36 is converted into an analog signal by the D / A converter 37. After that, the sound is prevented from the headphones 24 or the speakers 23.

3A to 3E are diagrams showing the format of a music file which can be reproduced by using the music reproducing section 22. FIG. The simple sequence file of FIG. 3A, the sequence file with tone data of FIG. 3B, and the stream file of FIG. 3C are an incoming melody, a pending sound, or a music file for listening, the FM communication sensitivity corresponding set file of FIG. 3D, and the WT for mixing in FIG. 3E. The noise file is a music file used to reproduce the incoming melody with sound quality corresponding to the received electric field strength.

These music files are stored in the music file storage area and the tone data storage area of the system RAM 13 in advance as stored presets in the system ROM l2 as a preset melody or downloaded from a server of a delivery center. have.

Further, in the method of reproducing such music file, the system CPU 11 operates as a sequencer, analyzes the sequence data included in the music file to be played, and transmits to the FM sound source 32 or the WT sound source 33. A method of supplying sound source control data at a timing defined by sequence data, and having the sequencer function in the music reproducing section 22, and the system CPU 11 supplying sequence data to the music reproducing section 22 as it is. Either the method or the method in which the system CPU 11 and the music reproducing section 22 share the burden of the sequencer function and the system CPU 11 and the music reproducing section 22 cooperate to realize the sequencer function. do.

First, the music file of FIGS. 3A to 3C will be described.

The simple sequence file of FIG. 3A is a music file in SMF (Standard MIDI File) format, for example, and is comprised of a header part and a sequence data part as shown. The header section includes information related to the song, such as the song name, artist name, comment information, musical instrument name, and lyrics information of the song corresponding to the simple sequence file, the number of tracks included in the song file, the time base when the song is played, and the like. Information is included, and the sequence data portion includes a group of event information (MIDI events) and information representing a time interval between each event in the order of event occurrence.

When reproducing this simple sequence file, the tone data specified by the sequence data among the tone data stored in the tone ROM 34 is used, and a musical sound is generated in accordance with an event in the sequence data.

The tonal data appended sequence file in Fig. 3B is, for example, a music file in the Synthetic music Mobile Application Format (SMAF) format and, as shown, includes a header portion, a tone data portion, and a sequence data portion. The header section contains the same information as the header section of the simple sequence file.

The timbre data section includes timbre data of timbres used for reproduction of music pieces corresponding to the corresponding timbre sequence file, and timbre assignment information for specifying timbres to be assigned to each part. The timbre data is unique to each timbre and consists of waveform parameters and other data. The waveform parameter indicates a sound wave waveform, and in the case of an FM sound source, a parameter indicating an algorithm of an FM operation, in the case of a WT sound source, a tone waveform data, a start address of the tone waveform data, a loop start address, an end address, and the like. .

Other data include envelope parameters specifying attack rate, decay rate, sustain level, release rate, etc., modulation parameters specifying depth or velocity of vibrato or tremolo, effects specifying effects such as reverb, chorus, and variation. The parameter and the identifier which indicate whether the timbre used for reproduction of a musical piece are a stereo timbre or a monophonic timbre are contained.

As in the case of the foregoing, the sequence data section includes time information (duration data) indicating a time interval between each event and a group of event information in the order of occurrence of the event.

When reproducing the sequence file with the tone data, the tone waveform data in the tone data included in the tone data portion is written to the tone RAM 35, and the tone is assigned to each part according to the tone assignment information, and the sequence data is assigned. Produces a bad sound.

The stream file in Fig. 3C is, for example, a music file in the SMAF format, and comprises a header part, a long stream data part and a sequence data part. Here, the header portion is the same as the header portion of each sequence file described above. The long stream header is waveform data sampled over a long time and has a large size. In addition, the sequence data section contains only a group of event information and duration data relating to the start, end, pitch shift, effects, and the like of reproduction, and is very simple data compared to the case of each sequence file described above.

When reproducing this stream file, the long stream data is reproduced while gradually writing the tone data to the tone RAM 35 as the music is reproduced. In other words, the head portion of the long stream data is written to the area having the predetermined length allocated to the reproduction of the stream file in the timbre RAM 35, and the sequential reading is started. When the read point exceeds the center of the allocated area, long stream data is continuously transmitted to the first half of the area, and when the read point reaches the end of the area, the read point is placed at the head of the area. The readout is continued and the long stream data is continuously transmitted to the latter part of the area.

Hereinafter, the same processing is repeated to reproduce the long stream data.

Next, a music file used for changing the sound quality of the incoming melody to be reproduced in accordance with the level of the received electric field strength measured by the electric field intensity measuring unit 17 will be described.

The set file corresponding to the FM communication sensitivity of FIG. 3D is a music file of the same format as the sequence file with the tone data of FIG. 3B, but the tone data portion includes a plurality of groups of tone data selected according to the received electric field strength. In the example shown in the figure, FM voice data corresponding to the electric field strength "quantity" is included, including three groups of FM tone data with different sound quality corresponding to the case where the received electric field strength is "amount", "medium", and "evil." The data corresponds to the tone data for the FM sound source 32 having good sound quality, and the tone data for the FM sound source 32 having medium sound quality corresponds to the "medium", and the FM sound of poor sound quality corresponding to "evil". The tone data for the sound source 32 is used.

When reproducing the set file corresponding to the FM communication sensitivity of FIG. 3D, the system CPU 11 determines whether the received electric field strength is in three stages of positive, medium, or evil according to the output of the electric field strength measuring unit 17. The tone data corresponding to the result is selected and set in the tone RAM 35. As described above, the music is reproduced using the FM sound source 32 in accordance with the sequence data.

The mixing WT noise file in Fig. 3E is a music file of the same format as the stream file in Fig. 3C, and includes long-stream data and waveform data obtained by sampling a noise sound.

The mixing WT noise file of FIG. 3E is reproduced by using the WT sound source 33 in the same manner as the stream file of FIG. 3C, and the incoming melody is reproduced by the FM sound source 32 or the WT sound source 33. This mixing noise file mixes the noise generated by using the WT sound source 33, and controls the volume of the noise in accordance with the level of the received electric field strength measured by the electric field strength measuring unit 17. To change the sound quality.

FIG. 4 is a flowchart showing a flow of an incoming process in the case of using a music file of the FM communication sensitivity correspondence set of FIG. 3D.

First, it is determined whether there is an incoming call (step S1), and when there is an incoming call, the flow advances to step S2 to detect the received electric field strength. As described above, the communication unit 16 is provided with an electric field strength measuring unit 17, and the system CPU 11 compares the received electric field strength measured by the electric field strength measuring unit 17 with a predetermined threshold value. Determine whether the level is good, bad or bad. This determination result is information for displaying the number of the bar-shaped marks of the display unit 14 indicating the received electric field strength.

When the determination result obtained in step S2 indicates the electric field strength "amount" (step S3 is YES), the flow advances to step S4 to correspond to the sensitivity "amount" in the FM tone data included in the FM communication sensitivity correspondence set. Tone data is designated to reproduce the sequence data of the corresponding FM communication sensitivity set. In addition, when the electric field strength is "medium", the tone data corresponding to the sensitivity "medium" is designated and reproduced, and when it is "evil", the tone data corresponding to the sensitivity "evil" is specified and playback is performed (steps S5 and S6). , S7). That is, the selected tone data is transmitted to the tone RAM 35, and a sound tone is generated by supplying the sound source control parameter corresponding to the sequence data to the FM sound source 32. FIG. The determination of steps S3 and S5 can also be made by referring to a signal for controlling the display of each bar mark for displaying the electric field strength supplied to the display unit 14.

Next, the flow advances to step S8, and it is determined whether the user has made an off-hook by operating the call button. If it is not off-hook, the process returns to the above step S2 and the process after the detection of the electric field strength is executed. Accordingly, even when the user moves while the incoming melody is being reproduced, the change in the received electric field strength can be reflected in the sound quality of the incoming melody in real time.

When the user operates the call button and goes off-hook, the flow advances to step S9 to transfer to the normal call state.

Next, the case where the mixing WT noise file of FIG. 3E is used will be described with reference to the flowchart of FIG. 5. In this case, the mixed WT noise file is reproduced using the WT sound source 33. The music file of the incoming melody may be any of the music files shown in Figs. 3A to 3C, or any of the FM sound source 32 and the WT sound source 33 may be used.

It is determined whether there is an incoming call (step S11), and when there is an incoming call, the music file of the incoming melody is reproduced in step S12. In step S13, reproduction of the mixed WT noise file is started. That is, as described above, the mixing noise file is stream data, which is reproduced using the WT sound source 33 according to the sequence data of the mixing WT noise file.

Then, as described above in step S14, the reception electric field strength is detected, and when the reception electric field strength is "positive", the volume (level) of the noise stream file which started playback in step S13 is set small. This is done by, for example, supplying a control signal from the system CPU 11 to the WT sound source 33 to reduce the channel volume of the pronunciation channel allocated for reproduction of the noise stream file. When the reception field strength is "medium", the reproduction level of the noise stream is "medium", and when the reception field strength is "evil", the reproduction level of noise is set to "large" (steps S17, S18, S19). ).

In step S20, it is determined whether or not it is off-hook. If it is not off-hook, the process returns to the step S14 again, and control is performed so that the noise level corresponds to the real time of the received electric field strength. On the other hand, when it is off-hook, it progresses to step S21 and performs normal call processing.

As described above, according to the first embodiment, the sound quality of the incoming melody can be changed in real time according to the received electric field strength. Therefore, when the incoming call is received, the user can determine the received electric field strength according to the sound quality of the incoming melody. When the user determines that the received electric field strength is not good, the user changes the position of the incoming melody without looking at the display unit. It is possible to make a call by operating the call button where the sound quality is improved.

In the above-described embodiment, the music file for reproducing the incoming melody with sound quality corresponding to the electric field intensity has been described as using the music file of the format shown in Figs. 3D and 3E. It is also possible.

For example, the FM communication sensitivity-corresponding set file of FIG. 3D includes a plurality of voice data having different sound quality in the tone data portion and a single sequence data in the sequence data portion. By using the tone file data sequence file, the parameters of the FM tone data may be changed by a predetermined amount in a direction in which sound quality becomes worse as the result of the received electric field strength measurement becomes worse.

In addition, a music file having a plurality of types of tonal data sequence files corresponding to each received electric field strength into one, that is, a tonal data sequence file having a good sound quality, a tonal data sequence file having a moderate sound quality, and a poor sound quality Using a music file in which three sequence files of the tone data data are collected together, a sequence file to which tone data of a corresponding sound quality is given may be selected and reproduced according to the received electric field strength. In addition, the sequence file to which predetermined sound quality tone data is given in correspondence with the received electric field strength is not limited to the sequence file with tone data in which the sound quality is changed to positive / medium / evil as described above. By changing the characteristics (for example, by changing parameters such as pitch and tempo of a music file, or by giving a vibrato effect to the music, etc.), the file may be reproduced or the characteristics related to various music sounds may be changed. A plurality of sequence files may be stored in advance, and one file may be selected and reproduced from the plurality of sequence files. Alternatively, a plurality of music files having different melodies may be stored in advance, and one file may be selected and reproduced from the music files.

It is also possible to include the tone data using the WT sound source instead of the tone data using the FM sound source.

In the mixing WT noise file of Fig. 3E, stream data obtained by sampling the noise sound is mixed into the incoming melody, but the present invention is not limited thereto. For example, a sequence file that generates a continuous sound of a specific frequency may be used as a noise file for mixing.

Next, a description will be given of a server device according to a second embodiment of the present invention in which a music file for reproducing an incoming melody of sound quality corresponding to the electric field strength described above can be delivered to the portable communication terminal. FIG. 6 is a block diagram showing a schematic configuration of an entire communication system having a portable communication terminal of FIG. 1 and a server device to which the portable communication terminal can be connected.

In FIG. 6, 10 is a mobile communication terminal (mobile station) of FIG. 1, 41 is a plurality of base stations, 42 is a switching station that manages the plurality of base stations and is a gateway to another network such as a public network or the Internet, and 43 is the switching station. A delivery server 44 formed by being connected directly to 42 or via the Internet or the like is a database that is connected to the delivery server 43 and stores various music files, various tone data, and the like delivered to the portable communication terminal 10. to be. Here, the database 44 stores the FM communication sensitivity correspondence set file of FIG. 3D and the mixing WT noise file of FIG. 3E.

The user of the portable communication terminal 10 accesses the delivery server 43, downloads the desired FM communication sensitivity set file or the mixing WT noise file from the database 44, and the system RAM 13 Can be stored in.

In addition, in the above-mentioned embodiment, although the reception sensitivity (receiving electric field strength) was identified by three stages of good, medium, and evil, it is not limited to this, It can make more or less steps.

In addition, the sound quality of the incoming melody is not limited to the above, and various reproduction forms of the music may be changed, such as changing the pitch and tempo of the incoming melody or giving vibrato to the incoming melody according to the received electric field strength. do.

In addition to this, the vibration pattern of the vibrator or the light emission pattern of the light emitting display portion by the LED or the like formed separately from the display portion may be changed.

The present invention can reproduce the incoming melody with sound quality corresponding to the received electric field strength, and the user can know the received electric field strength without looking at the electric field strength indication of the display unit. In addition, the music file of the incoming melody of sound quality corresponding to the received electric field strength can be delivered to the user.

Claims (3)

Communication unit for receiving an electric field; A measuring unit measuring the strength of the electric field received by the communication unit; A storage unit for storing a music file including sequence data representing a piece of music and a plurality of sets of tone data corresponding to the sequence data for each intensity of the electric field; And When the incoming call is received, one set of tone data corresponding to the intensity of the electric field measured by the measuring unit is selected from the plurality of tone data, and the selected set of tone data is assigned to each part of the sequence data. By reproducing sequence data, comprising a music reproducing section for reproducing ringing tones in accordance with the strength of the electric field , The sound reproducing section selects a set of tone data corresponding to the strength of the electric field measured by the measuring unit after receiving the incoming call, and selects the set of tone data from the sequence data. The mobile communication terminal characterized by repeating the assignment to each part, thereby changing the tone of the ringing tone in real time . The method of claim 1, The music file also includes tone assignment information, And the sound reproducing unit allocates the selected set of tone data to each part of the sequence data according to the tone allocation information. delete

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