JP2002268651A - Portable wireless terminal with music search function - Google Patents

Abstract

(57) [Summary] [Problem] To easily and quickly specify music data to be downloaded. A music search connectable to a download center that searches for and distributes desired music data from a plurality of music data stored by analyzing a search request from a terminal based on melody information related to melody of music data. In the portable radio terminal 10 having the function, the voice input means 1 for voice inputting the melody for specifying the melody information, and wirelessly transmitting the input voice to the download center as the search request, A control unit 6 for downloading desired music data and a communication interface 8 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable radio terminal having a music search function for searching for desired music data and downloading it from a music distribution company.

[0002]

2. Description of the Related Art A system for downloading music data from a remote data server of a music data distribution company to a portable wireless terminal through a portable wireless terminal line and reproducing the downloaded music data has been proposed and used.

[0003]

When downloading music data, a music title is designated to a music data distribution company (hereinafter referred to as a download center). Many song title search functions of the download center have been proposed, including a method of narrowing down by song genre and singer name, and a method of referring to a corresponding song title by inputting the first few characters of the song title. However, in these methods, remember any or some of the bibliographic items related to the music data, such as the song name, composer name, lyricist name, arranger name, singer name, song genre, release date, release company, etc. Otherwise, you cannot specify the song. If the search takes a long time, the communication cost is high in a system where a communication fee is charged per hour, and if a wrong song is downloaded by an ambiguous search, a wasteful cost is incurred.

[0004] Further, since the portable radio terminal is frequently used on the go or outdoors, a tool for supporting the search for the title of the song to be downloaded (for example, a personal computer for searching, a television, a radio, a music magazine, etc.) There is also a problem that it is difficult to identify the song title because it is not close.

The present invention has been made in view of the above circumstances, and has as its object to provide a portable wireless terminal having a music search function capable of easily and quickly specifying music data to be downloaded.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a search request from a terminal is analyzed based on melody information on melody of music data, and desired music data is searched from a plurality of stored music data. Input means for inputting a melody for specifying the melody information in a portable wireless terminal (portable wireless terminal 10) having a music search function capable of accessing a music information distribution company (download center 11) that distributes music information. Voice input means 1) and communication control means (control means 6, communication interface means) for wirelessly transmitting the input voice as the search request to the music information distribution company and downloading desired music data from the music information distribution company 8). Also, based on the melody information on the melody of the music data, it is possible to access a music information distribution company (download center 11) that searches and distributes desired music data from a plurality of music data stored in response to a search request from a terminal. A portable wireless terminal (mobile wireless terminal 10) having a simple music search function, a voice input unit (voice input unit 1) for voice inputting a melody for specifying the melody information, and Communication control means (control means 6, communication interface means 8) for wirelessly transmitting to the music information distribution company as a search request and downloading desired music data from the music information distribution company.

The music data in the present invention basically means audio data relating to music, but may include character data and video data which can be reproduced by the result output means in some cases. In addition, as music data information, bibliographic items related to music data, such as song title, composer name, lyricist name, arranger name, singer name, song genre, release date, release company, etc. There is additional information such as related information, music data data volume, and data fee.

The voice input means for inputting voice has an A / D conversion function of obtaining voice with a microphone and converting the obtained input voice signal into digital data.

The input voice is analyzed by analyzing the melody of the obtained input voice data and by calculating the variation of the analyzed melody, thereby generating variation information of the melody. Has functions. The calculation process of the melody change amount may use a known method.For example, the melody of the input voice data is divided into predetermined units in a time series, and for each unit time,
Perform the Fourier transform of the melody voice and check the fundamental frequency. As a result, the melody that composes the melody is required,
The change amount information (information of relative pitch change) can also be calculated.

The database of the music information distribution company stores music data, music data information including song titles, and melody information relating to the melody of the music data.

The search of the stored music data is performed by comparing the melody change information generated by the analysis of the voice input with the melody information on the melody of the stored music data, and extracting a match or a similar one. Is realized. If it is determined that they match or are similar, the corresponding music data and music data information are specified.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are block diagrams showing a configuration of a music search system for a portable wireless terminal. In any case, the portable wireless terminal 10 includes a voice input unit 1, a search unit 4, a result output unit 5, a control unit 6, a storage unit 7, a communication interface unit 8, and a selection unit 9. The download center 11 includes a database unit. 3. It is composed of search means 4.

The difference between the configurations shown in FIGS. 1 and 2 is that the voice analysis means 2 is located on the download center 11 side or the portable radio terminal 10 side.

In the present embodiment, the microphone and the A / D conversion function of the voice input means 1 also serve as a transmitting section used for a normal voice call of the portable radio terminal. Further, the result output means 5 also has a function as a display means, such as performing a display prompting the user to input and displaying the content selected by the selection means.

The control means 6 is a part having a general control function in the portable radio terminal. The content selected by the selection means 9 is executed via the control means 6, and the communication interface means 8, the result output means 5, the storage means 7 and the like transmit, display, save, and the like. Further, data, signals, and the like received by the communication interface unit 8 are also transferred, converted, displayed, stored, and the like according to instructions from the control unit 6.

The selection means 9 has functions such as searching, selecting, fixing, and transmitting the contents displayed on the result output means 5. For example, a necessary selection is executed by a ten-key button of the portable wireless terminal or a button to which a function is independently assigned. It is preferable that the result output means 5 and the selection means 9 are programmed in cooperation with each other so that a series of operations can be performed by a menu selection method, and are stored in the storage means.

Next, the music search procedure in FIG. 1 will be described with reference to the flowchart in FIG. First, when an input for starting music name search of music data is made by pressing a button or the like on the selection means 9, the control means 6 displays a message prompting voice input on the result output means 5 and enters a voice input mode. (Step S1). The user inputs the melody of the music to the voice input means 1 by humming or whistling (step S).
2). The audio input means converts the input audio signal obtained through the microphone into digital data by an A / D conversion function and temporarily stores the digital data in a predetermined data format in the storage means 7 (step S3). A widely known data format may be used.

When the user inputs the end of the voice input mode from the selecting means 9 (step S4), the result output means 5 displays a message asking whether to perform voice input (step S5). When the melody of a plurality of parts in the music is memorized, if the voice is continuously recorded and a search combining a plurality of pieces of search information is performed, the search accuracy can be improved. Whether to perform a logical sum search or a logical product search is also set here.

When voice input is completed, music data information,
That is, a display asking whether to additionally input bibliographic information on music data is made on the result output means 5 (step S6). If there is a known item in the music data information such as a singer name or a song genre relating to a desired music, inputting the contents from the selection means 9 narrows the search target, thereby improving search accuracy and speeding up. Can be The input contents are temporarily stored in the storage unit 7 in the same manner as the audio data (step S7).

When the input of the music data information is completed, the control means 6 automatically connects to the download center 11 via the communication interface means 8. At this time, it is preferable that a list of distribution companies is displayed on the result output means 5 so that a selection can be made from a plurality of distribution companies, and the selection means 9 selects and automatically connects.

When the connection is established, the control means 6 reads the audio data and the music data information stored in the storage means 7 and sends them to the download center 11 via the communication interface means 8 (step S8). The download center 11 receives the audio data and the music data information (step S21). The music data information is temporarily stored in a memory (not shown) in the search means 4, and the voice data is analyzed by the voice analysis means 2. When there are a plurality of voice data, analysis is performed for each of them (step S2).
2).

The analysis data (retrieval information) including the melody change amount information of the input voice is collated by the retrieval means 4 with the melody information on the melody of the music data (step S23).
The melody information on the melody of the music data is stored in the database means 3 together with the music data and the music data information. In this case, the melody information is preferably the melody change amount information, but the melody data may be stored, and the change amount may be calculated at the time of search to perform collation.

When starting the collation, first, it is checked whether or not the music data information is included in the data received from the portable radio terminal 10, and if so, the item is used as a search key. to add.

For each piece of melody information determined to be coincident or similar by collation, the corresponding music data and music data information are specified. Only preset items are selected from the music data information, and search result data is generated (step S24). For example, search result data can be configured by selecting and calling a song name, a singer name, and a data volume from the stored music data information. The created search result data is stored in Download Center 1.
1 is transmitted (step S25).

The search result data is received by the communication interface means 8 of the portable radio terminal 10 (step S).
9). The result data is displayed on the result output means 5 by the control means 6 (step S10). The result output means 5
Then, it is possible not only to display the result data but also to reproduce the music data as audio. Therefore, if the download center 11 attaches and transmits the corresponding music data or a part thereof together with the result data, the user can actually listen to the music and confirm whether the music is the desired music. Also,
If the music data has a large data volume and takes a long time to transmit, if the melody data is attached to the result data instead of the music data and transmitted, a sound source (not shown) in the portable wireless terminal 10 can be used. A method is also possible in which the melody of the music is reproduced and confirmed by the result output means 5.

The identification of the music is specified based on the information such as the name of the music or the name of the singer displayed on the result output means 5 or the confirmation by the reproduction of the voice. If the desired music cannot be specified at this time (step S11), the procedure from the voice input is repeated, and finally the desired music is specified and the search ends.

In this embodiment, the input audio signal is temporarily stored in the storage means 7 and then transmitted to the download center 11. However, the input audio signal is first connected to the download center 11 and the input audio signal is directly transmitted to the download center 11. To save the audio data on the download center 11 side,
The following processing may be performed. in this case,
There is an advantage that the configuration of the portable wireless terminal can be simplified.

Next, the music search procedure in FIG. 2 will be described with reference to the flowchart in FIG. The procedure from step S101 to step S107 is the same as that from step S1 to step S7 in FIG.

The music data information input in the process up to step S106 is temporarily stored in the storage means 7, and the voice data is analyzed by the voice analysis means 2 and then stored in the storage means 7 as analysis data (step S108). ). When there are a plurality of voice data, analysis is performed for each of them.

Next, the control means 6 automatically connects to the music data download center 11 via the communication interface means 8. When the connection is established, the control unit 6 reads the analysis data (search information) and music data information stored in the storage unit 7 and transmits them to the download center 11 via the communication interface unit 8 (step S10).
9). The download center 11 receives the analysis data and the music data information (step S121).

The analysis data is compared with the melody information on the melody of the music data by the search means 4 (step S12).
2). When starting the collation, first, it is checked whether or not the music data information is included in the data received from the portable wireless terminal. If the data is included, the item is added as a search key.

The subsequent generation of result data (step S1)
The procedures from 23) to transmission processing (step S124), the reception processing of the portable wireless terminal (step S110), and the identification of the music (step S112) are the same, and the description is omitted.

In this embodiment, since the voice analysis means 2 is incorporated in the mobile radio terminal 10, the configuration of the mobile radio terminal is slightly more complicated than that of the embodiment of FIG. There is an advantage that the analysis data can be confirmed. If the analysis data is reproduced by a sound source (not shown) in the portable wireless terminal, it is possible to determine whether or not the voice input was appropriate, so that the voice input can be performed again at this point.
Therefore, the time for communicating with the download center for the search is shortened, and the communication cost can be reduced.

In the present embodiment, the change amount of the melody is searched, but the system of the present invention can also be applied to a search using change amount information such as rhythm.

[0035]

As described above, according to the present invention, it is possible to easily search for music with a portable wireless terminal simply by inputting voice, and to download music data immediately after searching. is there.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a music search system for a portable wireless terminal.

FIG. 2 is a block diagram showing another configuration of the music search system for a portable wireless terminal.

FIG. 3 is a flowchart showing a music search procedure in FIG. 1;

FIG. 4 is a flowchart showing a music search procedure in FIG. 2;

[Description of Signs] 1 voice input means 2 voice analysis means 3 database means 4 search means 5 result output means 6 control means 7 storage means 8 communication interface means 9 selection means 10 portable wireless terminal 11 download center 12 base station

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) G10L 15/10 H04M 1/00 R 5K101 15/00 11/00 302 H04Q 7/38 G10L 3/00 531N H04M 1/00 551G 11/00 302 H04B 7/26 109M F-term (reference) 5D015 AA06 KK02 5D082 BB14 BB27 5D378 MM12 MM49 QQ01 XX43 5K027 AA11 BB02 FF01 FF28 HH20 5K067 AA34 BB21 DD51 EE02 EE10 NN02H101

Claims (4)

[Claims] 1. A music search function capable of analyzing a search request from a terminal based on information on music data, and searching for a desired music data from a plurality of stored music data to distribute the music data to a music information distribution company. And a voice input unit for performing voice input for specifying the information; wirelessly transmitting the input voice to the music information distribution company as the search request; A portable wireless terminal having a music search function, comprising: communication control means for downloading data. 2. A music search function capable of accessing a music information distribution company that searches and distributes desired music data from a plurality of music data stored in response to a search request from a terminal based on information related to music data. A portable wireless terminal comprising: a voice input unit for performing voice input for specifying the information; analyzing the input voice and wirelessly transmitting the input voice to the music information distribution company as the search request; A portable wireless terminal having a music search function, comprising: communication control means for downloading music data. 3. The portable wireless terminal having a music search function according to claim 1, wherein each logical product search or each logical sum search of voice input is performed a plurality of times. 4. The music search function according to claim 1, wherein a logical product search of the voice input and a bibliographic item for specifying the music data is performed. Portable wireless terminal equipped with.