CN100416525C

CN100416525C - Audio player with separated memory unit

Info

Publication number: CN100416525C
Application number: CNB2005100055344A
Authority: CN
Inventors: 许锦松; 陈明祥; 黄裕文
Original assignee: Xiangshuo Science & Technology Co Ltd
Current assignee: Xiangshuo Science & Technology Co Ltd
Priority date: 2005-01-20
Filing date: 2005-01-20
Publication date: 2008-09-03
Anticipated expiration: 2025-01-20
Also published as: CN1808404A

Abstract

The present invention relates to an audio player with a separable memory unit, which comprises a first module and a second module, wherein the first module comprises a first casing, a first connecting port and a storage unit for storing digital audio data; the second module comprises a second casing, a controller for controlling the operation of the audio player, a flash memory for storing the digital audio data, a second connecting port connected with the first connect port in a separable mode, a user interface for selecting the digital audio data in the flash memory or selecting the digital audio data stored in the memory unit via the first connecting port and the second connecting port, a decoder for converting a selected digital audio file into audio signals, and an audio output port for outputting the audio signals converted by the decoder.

Description

Sound play device with detachable storage unit

Technical field

The present invention relates to a kind of sound play device, particularly relate to a kind of sound play device with detachable storage unit.

Background technology

Along with the appearance of digital music, the user can have another kind of new music sources.Digital music can be stored among the less relatively digital document, and these digital documents can be stored in Portable non-volatile (non-volatile) memory storage.Because popularizing of digital music, the Portable music player almost is seen everywhere as MP3 player etc.

In general, the kind of MP3 player can be in the media that adopts multi-form storer to be used as to store music data and different separating, and uses flash memory and use Winchester disk drive this two big class of storer as the store digital music data and on the whole go up to be divided into.Use the comparatively light and power saving of MP3 player of flash memory, but its memory capacity is less, the digital music data that stores is limited, for instance if the flash capacity size is 64MB, approximately can store the digital music of the MP3 format of a little duration, think to go out for a long time to carry when carrying out long-distance travel (as) if use the user of the MP3 player of flash memory, just might be because too little memory span makes the melody number that stores hear out soon.In order to overcome this problem, the user must buy a plurality of MP3 players and can reach listen to how different digital music datas in long-distance route, but has just increased use cost widely thus.In order to improve the shortcoming of the MP3 player stores off-capacity of using flash memory, use the MP3 player of Winchester disk drive just to arise at the historic moment, use the MP3 player stores capacity of Winchester disk drive big, can store a large amount of digital music datas, but the heavier and power consumption of its weight, and the shortcoming of easily breaking is arranged.Therefore how to provide the user better Portable music player in conjunction with the advantage of these two kinds of MP3 players effectively, just become the problem of the required effort of manufacturer now.

Summary of the invention

The invention provides a kind of sound play device, to solve the above problems with detachable storage unit.

Claim of the present invention discloses a kind of sound play device, it comprises one first module, it comprises one first housing, one first Port, be installed on this first housing, and a storage unit, be installed in this first housing and be coupled in this first connectivity port, be used for the store digital voice data.This sound play device also comprises one second module, it comprises one second housing, one controller, be installed in this second housing, be used for controlling the operation of this sound play device, one flash memory, be installed in this second housing and be coupled in this controller, be used for the store digital voice data, one second Port, be installed on this second housing and be coupled in this controller, be connected in this first connectivity port in separable mode, user's interface, be coupled in this controller, be used to provide the user and import a signal, choosing the digital audio data in the flash memory that is stored in this second module, or see through this first Port and this second Port to choose the digital audio data of the storage unit that is stored in this first module to this controller, one code translator, being used for changing the digital sound files of choosing through this user's interface is voice signal, and a voice output port, is used for exporting the voice signal that this code translator is changed out.

Description of drawings

Fig. 1 is the schematic appearance of sound play device of the present invention.

Fig. 2 is the function block schematic diagram of the sound play device of Fig. 1.

The simple symbol explanation

10 sound play devices, 12 first modules

14 first housings, 16 first Ports

18 storage unit, 19 power-supply units

20 second modules, 22 second housings

24 controllers, 26 flash memories

28 second Ports, 30 user's interfaces

32 code translators, 34 voice output ports

36 displays, 38 storage card slots

40 radio receivers, 42 power-supply units

Embodiment

See also Fig. 1 and Fig. 2, Fig. 1 is the schematic appearance of the present invention's one sound play device 10, and Fig. 2 is the function block schematic diagram of sound play device 10 of the present invention.Sound play device 10 can be a MP3 music player, sound play device 10 comprises one first module 12 and one second module 20, and wherein first module 12 comprises one first housing, 14, one first connectivity ports 16 at least, one storage unit 18, and a power-supply unit 19.Second module 20 comprises one second housing, 22, one controllers, 24, one flash memories, 26, one second connectivity ports 28 at least, one user's interface, 30, one code translators, 32, one voice output ports, 34, one displays 36, one storage card slot, 38, one radio receivers 40, and a power supply unit 42.

First Port 16 of first module 12 is installed on first housing 14; 18 of storage unit are installed in first housing 14 and are coupled in first Port 16, are used for the store digital voice data; Storage unit 18 can be a Winchester disk drive, for example ide interface or universal serial bus (universal serial bus, USB) Winchester disk drive of interface; Power-supply unit 19 is used to provide the required electric power of first module, 12 runnings, and it can be a battery.

Controller 24 is installed in second housing 22, is used for controlling the operation of sound play device 10; Flash memory (flash memory) 26 can be NAND type flash memory, is installed in second housing 22 and is coupled in controller 24, is used for the store digital voice data; Second Port 28 is installed on second housing 22, and it can be connected in first Port 16 of first module 12; User's interface 30, be coupled in controller 24, be used to provide the user and import a signal to controller 24, choosing the digital audio data of the flash memory 26 that is stored in second module 20, or see through first Port 16 and second Port 28 to choose the digital audio data of the storage unit 18 that is stored in first module 12; Code translator 32, being used for changing the digital sound files of choosing through user's interface 30 is voice signal, code translator 32 can be deciphered more than one digital music file form, for example MP3 format and windows media audio (Windows MediaAudio, WMA) form or the like, it can be a MP3 code translator; Voice output port 34 is used for the voice signal that output decoder 32 changed out, and it can be an earphone terminal (earphone jack) or a loudspeaker, to allow the user hear sound play device 10 present in progress sound; Display 36 is used for showing the mode of operation of sound play device 10, for example can show the melody title of present broadcast, or the radio station of choosing at present, or the reserve of electricity number of battery or the like, its can be a LCD (liquidcrystal display, LCD); Storage card slot 38 is used for reading the data of external connection of storage card; Radio receiver 40 is used for receiving radio signals, and for example is used for receiving the radio signal that FM and AM radio station are transmitted, and is used for exporting corresponding voice signal to voice output port 34; Power-supply unit 42 is used to provide the required electric power of first module, 20 runnings, and it can be a battery or accepts the electric power that external power supply device transmits.And the power-supply unit 19 of first module 12 also can be used to receive the electric power that the power-supply unit 42 of second module 20 is transmitted, to provide 12 runnings of first module required electric power.

The invention is characterized in that sound play device 10 can be divided into two large divisions's (i.e. first module 12 and second module 20), and first module 12 and second module 20 are by the binding as data transmission of first Port 16 and second Port 28, wherein first Port 16 and second Port 28 can be universal serial bus (universal serial bus, USB) connectivity port of interface, for example USB 1.0, USB2.0, or the connectivity port of USB OTG interface, or the connectivity port of IEEE 1394 serial bus interfaces, or be connectivity port of ide interface etc., look closely design requirement and decide.If first connectivity port 16 is a USB interface connectivity port, and the storage unit 18 of first module 12 is when being the Winchester disk drive of an ide interface, and first module 12 can be set up a USB/IDE interface breakout box, to carry out the conversion of data between USB interface and ide interface.And first Port 16 is a public connector in Fig. 1, and second Port 28 is female connectors, and the connector construction that it can also other form interconnects, and not only is confined to aforesaid connected mode.When first module 12 and second module 20 see through first Port 16 and second Port 28 and interconnect, the user can see through the digital audio data that user's interface 30 is chosen the flash memory 26 that is stored in second module 20, or see through being connected of first Port 16 and second Port 28 to choose the digital audio data of the storage unit 18 that is stored in first module 12, sound play device 10 stored digital music data capacity just can extend to flash memory 26 by script flash memory 26 storable memory spans and add storage unit 18 storable memory spans thus, this moment first module 12 and second module 20 the MP3 player of the just similar existing hard disk type of combination, and the just similar external connected hand disk machine of first module 12, it can be connected to the storage unit 18 that a host computer comes downloading digital music to the first module 12, in case the digital music of wanting has been stored in after the storage unit 18, first module 12 just can break with this host computer, and is connected to second module 20.The controller 24 of second module 20 is after detecting being connected of first Port 16 and second Port 28, visual first module 12 is a slave unit (slave device), at this moment, user's interface 30 of second module 20 just allow the user see through first Port 16 and second connectivity port 28 choose first module 12 storage unit 18 file or choose digital audio data in the flash memory 26 that is stored in second module 20, and the user also can back up to flash memory 26 with the digital music data that is stored in the storage unit 18 of first module 12.Therefore the user is if think to go out for a long time to carry during when carrying out long-distance travel (as) sound play device 10, just first module 12 can be connected in main body second module 20 of sound play device 10, and can store a large amount of digital music datas, to guarantee can have enough music to accompany the user when the long-distance travel.

When removing on main body second module 20 of first module 12 by sound play device 10, controller 24 can detect the interruption that is connected of first Port 16 and second Port 28, so the time user interface 30 only can allow the user to choose digital audio data in the flash memory 26 that is stored in second module 20, the independent application of module 20 this moment second is the MP3 player of similar existing flash-type just, and comparatively light and power saving.And second module 20 also can utilize storage card slot 38 to read the data of external connection of storage card, and reaches the function of calculating punch.Therefore the source of the flash memory 26 stored digital music datas of second module 20 can be when being connected of first Port 16 and second Port 28 storage unit 18 downloads by first module 12, or reads the digital music data of external connection of storage card by storage card slot 38.In sum, the user is if when the demand that do not have a large amount of digital music datas listen at ordinary times, can use second module 20 as the MP3 player separately, and reach the application target of light and power saving.

Compared to existing MP3 player, sound play device of the present invention has merged the use flash memory and has used the advantage of Winchester disk drive as these two big class MP3 players of storer of store digital music data, when user's desire is used a large amount of digital music datas (as carrying out long-distance travel), can be in conjunction with first module and second module of sound play device, and can store a large amount of digital music datas; When the so not a large amount of digital music data demand of user, can be only separately with second module as the MP3 player, and reach the application target of light and power saving.

The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.

Claims

1. sound play device with detachable storage unit, it comprises:

One first module, it comprises:

One first housing;

One first Port is installed on this first housing; And

One storage unit is installed in this first housing and is coupled in this first connectivity port, is used for the store digital voice data; And

One second module, it comprises:

One second housing;

One controller is installed in this second housing, is used for controlling the operation of this sound play device;

One flash memory is installed in this second housing and is coupled in this controller, is used for the store digital voice data;

One second Port is installed on this second housing and is coupled in this controller, is connected in this first Port in separable mode;

One user's interface, be coupled in this controller, be used to provide the user and import a signal to this controller, wherein detect this first Port when being connected when this controller with this second Port, this user's interface can be in order to choose the digital audio data in the flash memory that is stored in this second module, or see through this first Port and this second Port to choose the digital audio data of the storage unit that is stored in this first module, be connected with this second Port when interrupting when this controller detects this first Port, this user's interface only can allow to choose the digital audio data in the flash memory that is stored in this second module;

One code translator, being used for changing the digital sound files of choosing through this user's interface is voice signal; And

One voice output port is used for exporting the voice signal that this code translator is changed out.

2. sound play device as claimed in claim 1, wherein this first Port and this second Port are USB interface, IEEE 1394 serial bus interfaces or ide interface.

3. sound play device as claimed in claim 1, wherein the storage unit of this first module is a Winchester disk drive.

4. sound play device as claimed in claim 3, wherein the storage unit of this first module is a USB interface Winchester disk drive.

5. sound play device as claimed in claim 1, wherein the flash memory of this second module is a NAND type flash memory.

6. sound play device as claimed in claim 1, wherein the code translator of this second module is a MP3 code translator.

7. sound play device as claimed in claim 1, wherein the voice output port of this second module is an earphone terminal.

8. sound play device as claimed in claim 1, wherein this second module also comprises a display, is used for showing the mode of operation of this sound play device.

9. sound play device as claimed in claim 1, wherein this second module also comprises a storage card slot, is used for reading the data of external connection of storage card.

10. sound play device as claimed in claim 1, wherein this second module also comprises a radio receiver, is used for receiving radio signals, and is used for exporting corresponding voice signal to this voice output port.