KR20170105193A - A usb memory synchronizing play lists between mobile device and the usb memory and system for the usb memory - Google Patents

A usb memory synchronizing play lists between mobile device and the usb memory and system for the usb memory Download PDF

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Publication number
KR20170105193A
KR20170105193A KR1020160028056A KR20160028056A KR20170105193A KR 20170105193 A KR20170105193 A KR 20170105193A KR 1020160028056 A KR1020160028056 A KR 1020160028056A KR 20160028056 A KR20160028056 A KR 20160028056A KR 20170105193 A KR20170105193 A KR 20170105193A
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South Korea
Prior art keywords
sound source
user terminal
playlist
usb memory
usb
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KR1020160028056A
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Korean (ko)
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KR101838375B1 (en
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김형준
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김형준
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H04M1/7253—
    • H04W4/008—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/21—Employing a record carrier using a specific recording technology
    • G06F2212/214—Solid state disk
    • G06F2212/2146—Solid state disk being detachable, e.g.. USB memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/04—Details of telephonic subscriber devices including near field communication means, e.g. RFID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/06—Details of telephonic subscriber devices including a wireless LAN interface

Abstract

The present invention relates to a USB memory for performing sound source synchronization with a user terminal, and a sound source synchronization system between the USB memory and the user terminal. As the USB memory for performing sound source synchronization with a user terminal, provided is the USB memory which includes a USB interface for inputting and outputting data according to a USB standard; a communication unit for performing near field communication with the user terminal; and a storage unit for storing a sound source file and a sound source playlist received through the communication unit or the USB interface. Also, as the sound source synchronization system between the USB memory and the user terminal, provided is the sound source synchronization system which includes: a playlist synchronization server for receiving a first playlist which is a playlist of the sound source file generated in a first user terminal and transmitting the received first playlist to a second user terminal; and the USB memory which is connected to the second user terminal by the near field communication and receives the first playlist. Accordingly, the present invention can simply perform operations for transmitting the playlist and the sound source file.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a USB memory, a USB memory for performing synchronization with a user terminal, a sound source synchronization system between a USB memory and a user terminal,

The present invention relates to a USB memory for performing sound source synchronization with a user terminal, and a sound source synchronization system between a USB memory and a user terminal.

As a method of listening to music in a vehicle, a method of listening to a CD by inserting the CD into a CD player provided in the vehicle is used. However, since the number of sound sources that can be recorded per title is limited due to the limitation of the storage capacity of the CD, the user must have several CD titles when he / she wants to listen to various sound sources according to his taste. Because of the volume of the CD title, an audio reproducing apparatus capable of reproducing a sound source file in a compressed sound source format, for example, MP3, is provided in the vehicle due to a problem of difficulty in storing a plurality of sheets in the vehicle and a recognition problem due to surface scratches have.

A flash memory is mainly used as a medium for storing sound files such as MP3, and a USB port is used as a connection interface. A method of storing a sound source file in a USB memory and connecting it to a USB port of a car audio reproducing device to listen to the sound source is now widely used.

A sound source reproduction method using a USB memory requires a procedure of copying sound sources desired to be heard by a user to a USB memory using a PC or the like and connecting the USB memory to a USB port of the audio reproduction apparatus for a vehicle. In this case, if the user wishes to listen to a different sound source other than the stored sound source, it is troublesome to connect the USB memory to the PC again and replace the stored sound source.

2. Description of the Related Art [0002] Recently, there has been used a method of outputting a sound source reproduced by a portable terminal through a vehicle audio reproducing apparatus by pairing a user portable terminal and a car audio reproducing apparatus with the development of technology related to a smart phone.

However, it is troublesome for a user to pair the smartphone and the car audio reproducing device each time the user rides on the car. In particular, when the phone function of the smart phone is activated, the car is connected to the paired car audio device or the sound reproduction is interrupted.

Korean Patent Publication No. 10-2008-0027408 entitled " USB memory capable of wireless communication, wireless communication system using the same, and data sharing method "(published on March 27, 2008) Korean Patent No. 10-1237366 entitled "Multifunctional USS" (Publication date February 28, 2013)

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a sound source synchronization system between a USB memory for performing sound source synchronization with a user terminal and a USB memory and a user terminal.

According to an aspect of the present invention, a USB memo for performing synchronization with a user terminal includes a USB interface for inputting / outputting data according to a USB standard; A communication unit for performing short-range wireless communication with the user terminal; And a storage unit for storing sound source files and sound source play lists received via the communication unit or the USB interface.

At this time, a first reproduction list, which is a reproduction list of the sound source file stored in the user terminal, is compared with a second reproduction list, which is a reproduction list of the sound source file stored in the storage unit, And a control unit for controlling the communication unit to selectively receive only sound source files not included in the list.

At this time, the communication unit may include a Bluetooth wireless communication module.

In this case, the communication unit may include a wireless communication module that performs Wifi Direct.

The communication unit may include a near field communication tag (NFC tag), and may perform short-range wireless communication with the user terminal by activating the short-range communication module of the user terminal according to the NFC tag access.

The audio file conversion unit may convert the PCM (Pulse Code Modulation) data received through the A2DP (Advanced Audio Distribution Profile) profile into a sound source file and provide the converted sound source file to the storage unit.

According to another aspect of the present invention, there is provided a sound source synchronization system between a USB memory and a user terminal, the system including: a first playback list, A playlist synchronization server for transmitting the received first playlist to a second user terminal; And a USB memory connected to the second user terminal by near field wireless communication and receiving the first play list.

Here, the USB memory may include a USB interface for inputting / outputting data according to a USB standard; A communication unit for performing short-range wireless communication with the second user terminal; And a storage unit for storing sound source files and sound source play lists received through the communication unit or the USB interface.

At this time, the first playlist stored in the second user terminal is compared with the second playlist, which is a playlist of the sound file stored in the storage unit, and the second playlist stored in the second user terminal And a control unit for controlling the communication unit to selectively receive only sound source files not included in the sound source file.

At this time, the communication unit may include a Bluetooth wireless communication module.

In this case, the communication unit may include a wireless communication module that performs Wifi Direct.

The communication unit may include a near field communication tag (NFC tag), and may perform short-range wireless communication with the user terminal by activating the short-range communication module of the user terminal according to the NFC tag access.

According to the sound source synchronization system between the user terminal and the USB memory that performs sound source synchronization and the USB memory and the user terminal according to the embodiment of the present invention,

First, a sound source to be heard can be selected in advance using a user terminal such as a smart phone, and a sound source play list selected through short-range wireless communication can be applied to a USB memory. It can be simplified.

Second, when transmitting a sound source file to a USB memory, only a sound source file that is not stored in the USB memory is compared with a sound source play list generated at the user terminal and a sound source play list stored in the USB memory, Can be shortened.

Third, the wireless connection between the user terminal and the USB memory is automatically performed by activating the user terminal to be adjacent to the NFC tag included in the USB memory, so that the connection is performed by the Bluetooth communication module of the user terminal. Can be simplified.

Fourth, transmission of sound files between the user terminal and the USB memory is transmitted through Wifi Direct, thereby shortening the time required for transmitting a high capacity and a plurality of sound source files.

Fifth, since the sound reproduction play lists of the user's first terminal and the second terminal (for example, the user's PC and the user's smartphone) are synchronized through the playlist synchronization server, the user can use the terminal Thereby generating a sound reproduction list to be heard in the vehicle.

1 is a block diagram of a user terminal and a USB memory for performing sound source synchronization according to the present invention.
2 is a detailed block diagram of the USB memory shown in FIG.
FIG. 3 illustrates a system for synchronizing a sound source between a USB memory and a user terminal according to the present invention.
4 illustrates the source synchronization between the first user terminal, the second user terminal, and the USB memory.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated.

1 is a block diagram of a user terminal and a USB memory for performing sound source synchronization according to the present invention.

Referring to FIG. 1, a USB memory 100 for performing a sound source synchronization with a user terminal according to the present invention includes a USB interface 110, a communication unit 120, a storage unit 130, and a control unit 140.

The USB interface 110 performs input / output of data with a device connected in accordance with the USB standard. The USB interface 110 may implement the USB interface 110 according to the USB 2.0 standard or the USB 3.0 standard.

The communication unit 120 performs short-range wireless communication with the user terminal 200. The user terminal 200 may be connected to a wireless terminal such as a smart phone in a short distance wireless communication (for example, Bluetooth, Wifi, Wifi-Direct) and a long distance wireless communication (3G, High Speed Downlink Packet Access (HSDPA) Evolution ").

The communication unit 120 may include at least one of a Bluetooth module and a Wi-Fi module, and may be connected to a Bluetooth module or a Wi-Fi module included in the user terminal 200.

The storage unit 130 comprises a memory device for storing data files. For example, the storage unit 130 may include a NAND flash memory and a controller for controlling the flash memory. The storage unit 130 stores a sound source file and a sound source play list.

The sound source file and sound source play list may be copied from the device (for example, a PC) connected to the USB interface 110 to the storage unit 130 and copied and stored through the communication unit 120. [

The sound source may be a lossy compression source such as MP3 (MPEG Audio Layer-3), OGG (Ogg Vorbis), AAC (Advanced Audio Coding), WMA (Windows Media Audio), FLAC (Free Lossless Audio Codec) APE, WAV, but it can be changed according to the codec format that supports playback in the vehicle audio device 400 (see FIG. 5).

The sound source play list may be an M3U format file indicating the path and the playback order of each sound source file. The vehicle audio apparatus 400 recognizes the sound source reproduction list stored in the storage unit 130 and reproduces the sound source file in the order recorded in the reproduction list.

The control unit 140 compares the first playlist that is the playlist of the sound file stored in the user terminal 200 with the second playlist that is the playlist of the sound file stored in the storage unit 130, The control unit 120 controls the communication unit 120 to selectively receive sound source files not included in the second playlist.

Accordingly, the control unit 140 transmits only the sound source file that is not stored in the USB memory, thereby shortening the time required for transmission of the entire sound source file.

There may occur a case where the sound source file stored in the USB memory 100 is not recognized to be received and updated from the user terminal 200 according to the type of the vehicle audio apparatus 400. [ The control unit 140 may control the USB interface 110 to recognize that the vehicle audio apparatus 400 is newly inserted into the USB memory 100 when a predetermined number of sound source files are transmitted. For example, when the transmission of sound source files in units of 10 is completed, the connection between the USB interface 110 and the vehicle audio apparatus 400 is temporarily terminated and reconnected so that the vehicle audio apparatus 400 can recognize the updated sound source file Let's do it.

2 is a detailed block diagram of the USB memory shown in FIG.

Referring to FIG. 2, the USB memory 100 may further include a sound source file conversion unit 150. For convenience of explanation, the communication unit 120 will be described first.

The communication unit 120 includes a Bluetooth module 121, a Wi-Fi direct module 122, and an NFC tag 123.

The Bluetooth module 121 is connected to the user terminal 200 and receives data stored in the user terminal 200 in the USB memory. That is, the user terminal 200 transmits the sound file stored in the user terminal 200 and the first play list to the storage unit 130 through the Bluetooth module 121. [

If all of the sound source files recorded in the first play list are stored (i.e., only the reproduction order of the sound source file is changed), only the second play list is controlled to be overwritten with the first play list.

If there is a sound source file that is not stored in the storage unit 130 among the sound source lists described in the first play list, the control unit 140 makes a transmission request for the sound source files. When the sound source file is transmitted to the Bluetooth module 121 due to the capacity of the data, the sound source file transmission may not be normally completed due to a slow transmission speed.

The control unit 140 activates the WiFi direct module 122 to make a connection with the user terminal 200 when transmission of the sound file is required. Thereafter, transmission of the sound source file is performed.

Meanwhile, the communication unit 120 includes the NFC tag 123 so that the connection between the user terminal 200 and the Bluetooth module 121 can be automatically performed. That is, the Bluetooth communication module of the user terminal 200 is activated by the operation of the user terminal 200 adjacent to the NFC tag 123, so that the connection can be performed.

2, the NFC tag 123 is provided in the communication unit 120, but the location of the NFC tag 123 may be changed according to the user.

According to another embodiment of the present invention, the USB memory 100 may further include a sound source file conversion unit 150.

The USB memory 100 according to the present invention can receive PCM (Pulse Code Modulation) data through the user terminal 200 and an A2DP (Advanced Audio Distribution Profile) profile. That is, the PCM data of the sound source file reproduced by the user terminal 200 can be received.

The sound source file conversion unit 150 encodes the received PCM (Pulse Code Modulation) data and stores the encoded data in the storage unit 130 as a sound source file.

The sound source file conversion unit 150 may be utilized when no sound source file is stored in the storage unit 130 and when the user terminal 200 reproduces the sound source through on-line streaming.

For example, if no sound source file is stored in the storage unit 130, the vehicle audio apparatus 400 can not access the USB memory (not shown) until the sound source file transmission from the user terminal 200 to the storage unit 130 is completed 100 can not reproduce the sound source.

In this case, according to the conventional system, it is possible to connect the user terminal 200 to the vehicle audio apparatus 400 via Bluetooth, and to listen to a sound source stored in the user terminal 200 or a sound source streamed from the user terminal 200 Do.

At this time, the USB memory 100 is multi-paired with the user terminal 200 and the vehicle audio apparatus 400, and can receive sound source data reproduced from the user terminal 200 in real time.

That is, the Bluetooth module 121 receives the PCM data from the user terminal 200 through the A2DP profile, and the sound source file conversion unit 150 encodes the received PCM data and stores the encoded PCM data in the storage unit 130 as a sound source file do. Therefore, the user can listen to the music through reproduction of the sound source stored in the USB memory 100 in the future.

FIG. 3 illustrates a system for synchronizing a sound source between a USB memory and a user terminal according to the present invention.

Referring to FIG. 3, a sound source synchronization system between a USB memory and a user terminal according to the present invention includes a playlist synchronization server 500 and a USB memory 100.

The playlist synchronization server 500 receives the first playlist L1 (see FIG. 4), which is a playlist of the sound file generated by the first user terminal 300, and stores the received first playlist L1 2 user terminal 200 in accordance with the present invention. 3, the first user terminal 300 is a PC and the second user terminal 200 is a smart phone. However, even when the first user terminal 300 is a smart phone, Do.

The playlist synchronization between the first user terminal 300 and the second user terminal 200 may be performed by a peer-to-peer network in addition to the synchronization through the playlist synchronization server 500, P2P).

The USB memory 100 is connected to the second user terminal 200 through short-range wireless communication and receives the first play list. Since the USB memory 100 has been described with reference to FIGS. 1 and 2, a duplicate description will be omitted.

4 illustrates the source synchronization between the first user terminal, the second user terminal, and the USB memory. As shown in the figure, when the sound source play list L1 is changed in the first user terminal 300, the change details are synchronized with the sound source play list L2 of the second user terminal 200 in real time. Likewise, if the sound reproduction list L2 of the second user terminal 200 is changed, the change details are synchronized with the sound reproduction list L1 in the first user terminal 300 in real time.

Accordingly, when the sound source play list is changed (the sound source file is added or deleted) in the first user terminal 300 or the second user terminal 200, the changed details are applied to the USB memory 100. Specifically, when a sound source is added to the sound source play lists L1 and L2, the sound source file added to the USB memory 100 is transmitted. When the sound source is deleted, the sound source file stored in the USB memory 100 is also deleted.

As described above, according to the present invention, since the sound reproduction play lists of the user between the first terminal and the second terminal (for example, the user's PC and the user's smartphone) are synchronized, the user can use the terminal , A sound reproduction list to be heard in the vehicle can be generated.

The embodiments of the present invention disclosed in the present specification and drawings are merely illustrative examples of the present invention and are not intended to limit the scope of the present invention in order to facilitate understanding of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100: USB memory
110: USB interface 120:
130: storage unit 140:
200: second user terminal 300: second user terminal
500: Playlist synchronization server 400: Vehicle audio device

Claims (12)

A USB memory for performing sound source synchronization with a user terminal,
A USB interface for performing data input / output according to the USB standard;
A communication unit for performing short-range wireless communication with the user terminal; And
And a storage unit for storing sound source files and sound source play lists received through the communication unit or the USB interface. The method according to claim 1,
A first playlist that is a playlist of the sound file stored in the user terminal,
Comparing a second playlist, which is a playlist of sound source files stored in the storage unit,
Further comprising a control unit for controlling the communication unit to selectively receive only a sound source file not included in the second play list among the sound source files stored in the user terminal. The method according to claim 1,
Wherein,
A USB memory comprising a wireless communication module of a Bluetooth system. The method according to claim 1,
Wherein,
And a wireless communication module for performing Wifi Direct. The method of claim 3,
Wherein,
Wherein the local area communication module activates the local area communication module of the user terminal according to the NFC tag access including the NFC tag and performs near field wireless communication with the user terminal. The method of claim 3,
Further comprising a sound source file conversion unit converting the PCM (Pulse Code Modulation) data received through an A2DP (Advanced Audio Distribution Profile) profile into a sound source file and providing the sound source file to the storage unit. As a sound source synchronization system between a USB memory and a user terminal,
A playlist synchronization server for receiving a first playlist, which is a playlist of sound files generated at a first user terminal, and for transmitting the received first playlist to a second user terminal; And
And a USB memory connected to the second user terminal by near field wireless communication and receiving the first play list. The method of claim 7,
In the USB memory,
A USB interface for performing data input / output according to the USB standard;
A communication unit for performing short-range wireless communication with the second user terminal; And
And a storage unit for storing a sound source file and a sound source reproduction list received through the communication unit or the USB interface. The method of claim 8,
The first playlist stored in the second user terminal,
Comparing a second playlist, which is a playlist of sound source files stored in the storage unit,
Further comprising a control unit for controlling the communication unit to selectively receive only the sound source files not included in the second play list among the sound source files stored in the second user terminal. The method of claim 8,
Wherein,
And a wireless communication module of a Bluetooth type. The method of claim 8,
Wherein the communication unit includes a wireless communication module that performs Wifi Direct. The method of claim 10,
Wherein,
Wherein the local station communication module activates the local area communication module of the user terminal according to the NFC tag access including the NFC tag and performs near field wireless communication with the user terminal.
KR1020160028056A 2016-03-09 2016-03-09 A usb memory synchronizing play lists between mobile device and the usb memory and system for the usb memory KR101838375B1 (en)

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