WO2002062035A2

WO2002062035A2 - A method, wireless mp3 player and system for downloading mp3 files from the internet

Info

Publication number: WO2002062035A2
Application number: PCT/IB2002/000185
Authority: WO
Inventors: Muralidharan Ramaswamy
Original assignee: Koninklijke Philips Electronics N.V.
Priority date: 2001-01-29
Filing date: 2002-01-22
Publication date: 2002-08-08
Also published as: WO2002062035A3; US7284036B2; US20020156546A1; US6423892B1

Abstract

The invention presents a mobile communication device for downloading compressed audio files over a mobile communication network, connected to the internet or another wide area network. The device comprises also means for presenting the audio information. The invention relates also to a method for downloading compressed audio files from a server connected to the wide area network with a mobile communication device over a mobile communication device liked to a wide area network. In one embodiment, the data request from the communication device to the server, comprises a search request.

Description

A method, wireless MP3 player and system for downloading MP3 files from the internet

The present invention generally relates to mobile communication devices.

MP3 (MPEG Audio Layer-3) format is a compression system for digital music that helps reduce the size of a digitized song without degrading the sound quality. Digital music is converted to MP3 format and made available on the World Wide Web for individual use. MP3 files can be downloaded from the Internet using a computer and special software. Furthermore, a personal computer programmed with the appropriate software can convert digital music from a CD (compact disk) into MP3 format. Currently, MP3 files can be played in three different ways: (i) MP3 files can be played directly on a personal computer, (ii) MP3 files can be decompressed and recorded it onto a CD, and (iii) the MP3 files can be played on an MP3 player. MP3 players are relatively small, lightweight, portable devices that can interface with a personal computer. Thus, a user can download MP3 files from the Internet and load such MP3 files onto the MP3 player. Typically, the MP3 player can be connected to the personal computer's parallel or USB port in order to receive the downloaded MP3 files.

The present invention is directed to a method for downloading compressed audio files with a mobile communication device and a mobile communication device comprising means for presenting an audio signal.

The wireless communication device is used in conjunction with a mobile communication network like GSM, UMTS or GPRS. The mobile communication device allows the user to enter certain keywords to denote the desired type of compressed audio. The mobile communication device establishes a data link to a server comprising storage means for storing compressed audio files. The keywords are inputted into the server. The music server searches the storage means. These storage means may be physically apart from the server and connected by a wide area network. In the specification of this application, they are denoted as content sites. The music server generates a table comprising a list of titles of MP3 files and corresponding world wide web links wherein such MP3 files can be located. The music Internet server generates a user identification and then sends the table and user identification to mobile communication device. The mobile communication device contains a display which displays the table. The user then uses the appropriate function keys of the mobile communication device to browse the table and select a title or titles of MP3 files of interest. The user then uses the appropriate function keys of the mobile communication device to instruct the music server to download the MP3 file associated with the selected title. The music server then downloads the selected MP3 file. Once the MP3 file is completely downloaded to the music server, the music server uploads the MP3 file to the Internet for retrieval by the mobile communication device. The mobile communication device waits for the MP3 files to be downloaded. The downloaded MP3 files are stored in a buffer read/write memory of the mobile communication device. When each MP3 file is completely loaded, the mobile communication device marks each MP3 file with indicia indicating that the particular MP3 has been completely loaded is ready to be played. The mobile communication device includes "Play" and "Stop Play" function keys. When the user depresses the "Play" key, the completely loaded MP3 files will play in the order in which they were loaded unless the user selects MP3 files out of order. Depressing the "Stop Play" key stops play of the MP3 file currently being played, but does not stop the further download of MP3 files. The user can also delete previously loaded MP3 files so as to clear memory space in order to download play new MP3 files. It will be obvious the any man skilled in the art that other compressed audio formats may be used as well.

The features of the invention are believed to be novel and the elements characteristic of the invention are set forth with particularity in the appended claims. The invention itself, both as to organization and method of operation, may best be understood by reference to the detailed description which follows taken in conjunction with the accompanying drawings in which: FIG. 1 shows a pictorial diagram of the wireless MP3 player of the present invention and a block diagram of a network with which the wireless MP3 player is used. FIG. 2 is a flow diagrams illustrating the method of the present invention.

Referring to FIG. 1, there is shown a wireless MP3 player 10 of the present invention. Player 10 is configured in accordance with a combination of technologies used in the field of cellular phones, hand held radio frequency communication devices, personal digital assistants, and portable audio devices such as portable compact disk players. The configuration of MP3 player 10 is discussed in the ensuing description. In accordance with the present invention, player 10 is used in conjunction with network 12. Network 12 comprises mobile communication network 14, Internet network 16, music server 18 and MP3 content sites 20. WAP network 14 is in electronic data communication with Internet network 16 via data communication link 22. Music server 18 is in electronic data communication with Internet network 16 via data communication link 22. Similarly, MP3 content sites 20 are in electronic data communication with Internet network 16 and dedicated music server 18 via data communication link 22. In one embodiment, data communication link 22 is configured as a telephone line.

Referring to FIG. 1, player 10 generally comprises housing 24, antenna 26, display 28, connect/disconnect function key 30, display 32, browse/select wheel or knob 34, function keys 36, keypad 38, "Play" function key 40, and "Stop Play" function key 42. Connect/disconnect function key 30 allows the user to establish or terminate data communication with mobile communication network 14. The user can use keypad 38 to input data which will appear in display 28. Display 32 displays information relating to titles or names of songs, musical compositions, types of music, e.g. jazz, classical, Hindustini, etc. The user uses browse/select wheel or knob 34 to select one or more titles shown in display 32. Function keys 36 provide several functions such as volume, bass, treble, DNR (Dolby™ Noise Rejection), etc. The user depresses function keys 40 and 42 to start and stop, respectively, play of music. Player 10 includes audio output devices (not shown) such as a speaker or head phone connector. Player 10 further includes a read/write buffer memory (not shown) for storing downloaded MP3 files.

Each step of the method of the present invention is explained in the ensuing description with reference to FIGS. 1 and 2.

In step 100, the user operates player 10 to transmit signal 44 to WAP network 14 so as to establish data communication between player 10 and Internet network 16. In order to establish such data communication, the user uses connect/disconnect key 30 on player 10. Once this is accomplished, data communication can be established between player 10 and music server 18.

In step 102, the user then inputs information into player 10 via keypad 38. This information generally comprises a keyword or keywords that describes a particular song, type of music, particular artist or performer, etc. For example, the user can input the key word "Beethoven". Other examples of keywords are "jazz", "classical", and "Hindustini". The user then depresses an appropriate one of the function keys 36 so as to instruct music server 18 to initiate a search of the MP3 content sites 20 to locate MP3 files that relate to the keyword. As the user inputs the keywords, the keywords appear in display 28.

In step 104, music server 18 responds to the keywords by initiating a search of the MP3 content sites 20 to locate MP3 files that relate to the keyword or keywords. In step 106, music server 18 generates: (i) a list of titles of MP3 files that were located in the search, (ii) a list of corresponding world- wide-web links wherein each link corresponds to a particular MP3 file, and (iii) corresponding index indicia wherein each indicia corresponds to a particular title and link. Music server 18 then generates a table comprising the list of titles of MP3 files that were located in the search and the corresponding index indicia.

In step 108, music server 18 generates a user identification and transmits the user identification and table to wireless MP3 player 10.

In step 110, wireless MP3 player 10 receives signals containing data that defines the user identification and table. The table appears in display 32 of player 10. The user uses wheel or knob 34 to browse the table. Table I illustrates one example of a table generated by music server 18.

TABLE I TITLE OF MP3 FILE INDEX INDICIA

Louis Armstrong's Hits #1

Beethoven's 9^th Symphony #2

Hindustini Favorites #3

In step 112, the user then uses wheel or knob 34 or one of function keys 36 to effect the selection of an index indicia that corresponds to the desired music title. In response, player 10 transmits the user identification and the index indicia of the selected music title.

Data defining the user identification is also transmitted along with data defining the selected index indicia.

In step 114, mobile communication network 14 receives the data transmitted from player 10 and routes the data to Internet network 16 wherein it is received by music server 18. In response, music server 18 stores the selected index indicia and downloads an

MP3 file that corresponds to the selected index indicia using their corresponding web links.

Specifically, music server 18 downloads the MP3 file from one of the MP3 content sites 20 that is storing the MP3 file. In step 116, music server 18 uploads the MP3 file to Internet network 16. Music server 18 generates a signal for input into player 10 to notify the user that an MP3 file has been retrieved and is ready for downloading. In one embodiment, a message appears in display 32 that informs the user that an MP3 file has been uploaded to the Internet network 16 and is ready for downloading.

In step 118, once player 10 receives the signal generated in step 116, player 10 automatically switches to the download mode and downloads the MP3 files. While the MP3 file is being downloaded, player 10 is constantly monitoring the capacity of the buffer memory in player 10. If the buffer memory should become full, player 10 generates and transmits a signal to music server 20 in order to stop music server 18 from downloading the MP3 file or files. As space becomes available in the buffer memory, player 10 automatically transmits a signal to music server 18 to resume downloading the MP3 files.

In step 120, when at least one MP3 file is completely downloaded, player 10 indicates that it is ready to play the music in that MP3 file by displaying a message in display 32. The user then presses "Play" key 40 to play the music of the completely loaded MP3 file. In an alternate embodiment, player 10 includes a "Ready To Play" light that notifies the user that player 10 is ready to play the music in the completely downloaded MP3 file. Next, the user then selects the listening mode, e.g. speaker or head phones. The user then depresses "Play" key 40 and player 10 plays the selected title. The user can repeat the steps described in the foregoing description as many times as needed to in order to download and play different MP3 files.

An important feature of player 10 is that player 10, and the user, need not wait for all the MP3 files to be downloaded. Player 10 is configured to start playing the first completely downloaded MP3 file while simultaneously downloading other MP3 files. This feature provides continuous play of music without interruption.

In one embodiment, the user can operate player 10 to request that music server 18 store the titles of all of the user's downloaded MP3 files and corresponding links for these titles. In such a configuration, music server 18 generates a list of the titles of downloaded MP3 files in the event that the user would like to hear a particular musical title again. This configuration enables music server 18 to immediately establish a link with the MP3 content site 20 that has that particular MP3 file without having to conduct another search of all MP3 content sites 20.

The method described requires an application protocol to let a user communicate with the server. For this, known protocols like WAP or iMode may be used. However, as will be apparent to any man skilled in the art, also other protocols may be used. It will be apparent to the man skilled in the art as well, that instead of MP3, also other compression standards may be used.

The principals, preferred embodiments and modes of operation of the present invention have been described in the foregoing specification. The invention which is intended to be protected herein should not, however, be construed as limited to the particular forms disclosed, as these are to be regarded as illustrative rather than restrictive. Variations in changes may be made by those skilled in the art without departing from the spirit of the invention. Accordingly, the foregoing detailed description should be considered exemplary in nature and not limited to the scope and spirit of the invention as set forth in the attached claims.

The invention may be summarized as follows: the invention presents a mobile communication device for downloading compressed audio files over a mobile communication network, connected to the internet or another wide area network. The device comprises also means for presenting the audio information. The invention relates also to a method for downloading compressed audio files from a server connected to the wide area network with a mobile communication device over a mobile communication device liked to a wide area network. In one embodiment, the data request from the communication device to the server, comprises a search request.

Claims

CLAIMS:

1. Method for downloading compressed audio files with a mobile communication device (10) with means for presenting information in said compressed audio files to a user as an audio signal, over a mobile communication network (14), linked to a wide area network (16), from at least one server (18) connected to the wide area network (16), the server (18) comprising storage means (20) for storing compressed audio files, the method comprising the following steps:

(a) receiving a request from a user for at least one compressed audio file;

(b) establishing a data link (22) from the mobile communication device (10) to the server (18); (c) sending the file request from the mobile communication device (10) to the server (18) over the data link (22);

(d) receiving the file request at the server (18);

(e) retrieving the requested file from the storage means (20); and

(f) sending the requested file from the server (18) to the mobile communications device (10).

2. Method according to claim 1, in which the request comprises a search request, the search request comprising at least one search criterion, and in which the method further comprises the steps of:

(a) receiving the search request at the server; (b) searching the storage means for files matching the search criterion; and when at least one file is found, further comprising the steps of:

(c) forming a list with the found file;

(d) sending the list from the server (22) to the mobile communication device (10) over the data link (22); (e) receiving the list with the mobile communication device (10);

(f) selecting at least one file from the list;

(g) sending the selection over the data link (22) to the server; (h) retrieving the selection from the storage means (20); (i) sending the retrieved file or files to the mobile communications device over the data link

(22); (j) receiving the sent files by the mobile communications device (10).

3. Method according to claim 1, the method further comprising the step of storing the audio file in the mobile communication device.

4. The method according to claim 1 , wherein the mobile communication device operates with the server with the Wireless Application Protocol.

5. The method according to claim 1, wherein the mobile communication device operates with the server with the iMode Protocol.

6. The method according to claim 1 , wherein the mobile communication network operates with the GSM Protocol.

7. The method according to claim 1, wherein the mobile communication network operates with the UMTS Protocol.

8. The method according to claim 1 , wherein the mobile communication network operates with the GPRS Protocol.

9. Mobile communication device (10), comprising:

(a) user input means (38); (b) means (26) for communicating with a mobile communication network (14), connected to a wide area network (16), comprising: (i) means (26) for establishing a data link (22) with a server (18), connected to the wide area network (16); (ii) means (26) for sending a user input request to a server (18); (iii) means (26) for receiving a compressed audio file over the data link (22)

(c) means for decompressing a compressed audio file; and

(d) means for presenting an audio signal, representing the information in the compressed audio file.

10. Mobile communication device according to claim 1, the device further comprising storage means for storing the compressed audio file.