CN2845023Y - Voice controlled demanded multimedia player - Google Patents
Voice controlled demanded multimedia player Download PDFInfo
- Publication number
- CN2845023Y CN2845023Y CNU2005200680143U CN200520068014U CN2845023Y CN 2845023 Y CN2845023 Y CN 2845023Y CN U2005200680143 U CNU2005200680143 U CN U2005200680143U CN 200520068014 U CN200520068014 U CN 200520068014U CN 2845023 Y CN2845023 Y CN 2845023Y
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- player
- earphone
- acoustic control
- free online
- voice
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Abstract
The utility model relates to a voice-controlled demanded multimedia player. The multimedia player comprises a player host and an earphone, wherein the earphone is connected with the player host, the inside of the player host is provided with a main control module, a voice recognition module and a memory which is used for storing songs, wherein the inside of the main control module is provided with a voice coding and decoding chip, and the voice recognition module is in replaceable form connection with the main control module. Because the voice coding and decoding chip and the voice recognition module and are separately arranged, the player of the utility model can be upgraded under the precondition that all the functions of the original player are reserved, such as, when the voice coding and decoding chip is upgraded, the voice coding and decoding chip is simply replaced. Likewise, if any one of a signal processor or a voice coding decoder is damaged, the signal processor or the voice coding decoder can be conveniently dismounted, which is simple and convenient.
Description
[technical field]
The utility model relates to a kind of multimedia player, relates in particular to a kind of acoustic control free online multimedium player.
[background technology]
MP3 is a kind of audio file formats, typically refers to the third generation of MPEG (Motion Picture Experts Group), and it utilizes the audio data coding technology in the situation that does not reduce available data tonequality voice data to be compressed.And the MP3 player is because its structure is small and exquisite, simple operation replaces the new lover that walkman (Walkman) becomes people gradually.And along with the continuous progress of science and technology, the function of MP3 player is also increasing.Occurred a kind of acoustic control MP3 player at present, the user can utilize phonetic order to the program request of MP3 player.
Prior art acoustic control MP3 player MP3 generally comprises a main control chip, and this main control chip is integrated signal processor and audio coder ﹠ decoder (codec) also comprises the memory module, voice D/A modular converter, program request/alternative key and the USB interface that are connected with main control chip.Wherein voice D/A modular converter connects wired earphone, and program request/alternative key connects receiver.
But, the main control chip of integrated signal processor and audio coder ﹠ decoder (codec) can not carry out HardwareUpgring, also is difficult to safeguard, because any one damage of signal processor or audio coder ﹠ decoder (codec), just change and must change whole main control chip, cause waste, cost is also high.
[utility model content]
For the acoustic control free online multimedium player that solves prior art can not be upgraded, technical matters difficult in maintenance, the utility model provides a kind of acoustic control free online multimedium player that makes things convenient for upgrade and repair.
The technical scheme that the prior art problem that solves the utility model is adopted is: a kind of acoustic control free online multimedium player is provided, this multimedia player comprises: player main frame and the earphone that links to each other with described player main frame are provided with removable phonetic codec chip and/or sound identification module in the described player main frame.
The beneficial effect of said structure is: because phonetic codec chip and sound identification module branch are arranged, so on the basis that keeps former player repertoire, can upgrade to player, such as phonetic codec chip is upgraded, then simply get final product in player, changing phonetic codec chip; Equally, if any one of signal processor or audio coder ﹠ decoder (codec) damaged, can take wherein any one easily apart, simple and fast.
[description of drawings]
Fig. 1 is the structural representation of acoustic control free online multimedium player one embodiment of the present utility model;
Fig. 2 is the schematic block diagram of acoustic control free online multimedium player shown in Figure 1.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further specified.
Referring to Fig. 1, Fig. 1 is the structural representation of acoustic control free online multimedium player one embodiment of the present utility model.In the present embodiment, acoustic control free online multimedium player 1 is an acoustic control program request MP3 player, and it comprises: the player main frame 11 and the wired earphone 13 that is connected with player main frame 11 by earphone jack 120 that are used to play the MP3 format voice data.Certainly, the acoustic control free online multimedium player of the present utility model player that also can be VCD, DVD or other multimedia types.
Referring to Fig. 2, Fig. 2 is the schematic block diagram of acoustic control free online multimedium player shown in Figure 1.External interfaces such as the circuit board of player main frame 11 inside is provided with main control module 111, connect functional module such as the storer 113 of main control module 111, voice D/A modular converter 115, removable sound identification module 117 and usb 1 19, earphone jack 120.Wherein, main control module 111 comprises phonetic codec chip, and it is responsible for the encoding and decoding of mp3 file.Main control module 111USB interface 119 import into data processing, write read the work of data in the storer 113 and control voice D/A module 115 sounding etc. so that connect all critical pieces in the player main frame 11, coordinate each parts duty.
Sound identification module 117 is installed on the circuit board in removable mode, its inserting mode can adopt the mode that the computer memory bar inserts board in circuit board slot that is similar to, also can adopt the interior SIM card of mobile phone to be plugged on the interior contact connected mode of mobile phone, can also adopt the inserting mode of storage card in the small-sized digital equipment, can cooperate the physical construction of player and comfort level to design on concrete.
Comprise command memory and data-carrier store in the storer 113.Voice D/A modular converter 115 is by main control module 111 control, converts the mp3 file of digital form to simulated data.Wired earphone 13 comprises plug 131, earphone cord 133 and earplug 135, and wherein plug 131 inserts earphone jack 120, and the simulating signal that voice D/A modular converter 115 produces produces sound through earphone cord 133 transmission and by earplug 135.In addition, in the present embodiment, also be provided with receiver 137 and program request key 139 on the earphone cord 133 of wired earphone 13.
During use, the program request key 139 that the user clicks on the earphone cord 133 is sung mode switch to demand mode from listening.When being in demand mode, the user is by voice recognition information such as receiver 137 input titles of the song, singer's names, voice recognition information is input to sound identification module 117, sound identification module 117 extracts the characteristic quantity of phonetic order, and main control module 111 selects same or analogous song of identifying information or certain singer's song as alternative played file according to characteristic quantity from storer 113.Main control module 111 is play the respective alternative mp3 file.And the user can also jump to next alternative mp3 file from progress alternative mp3 file by pressing program request key 139 for a long time, so that play selecting mp3 file to carry out selectivity.The similarity of song identification can preestablish, and for example: some bytes of setting song identification are complementary with the voice recognition information that identifies, and can think that the two is similar.
When adopting said structure, can enter the acoustic control demand mode by receiver 137 and the program request key 139 that is arranged on the earphone, utilize voice recognition information to select a plurality of alternative songs.At present the capacity of MP3 player is increasing, and the number of songs of storage is more and more, only relies on the button of control panel to be difficult to find to want the song of listening.Aforesaid way provides a kind of broadcast mode of putting easily to select a plurality of alternative songs and by alternative key alternative song is carried out the selectivity broadcast.
Because phonetic codec chip and sound identification module branch are arranged, so on the basis that keeps former player repertoire, can upgrade to player,, then simply get final product in player, changing phonetic codec chip such as phonetic codec chip is upgraded; Equally, if any one of signal processor or audio coder ﹠ decoder (codec) damaged, can take wherein any one easily apart, simple and fast.
The speech recognition system of the utility model acoustic control free online multimedium player can comprise: at the special speaker system or at the speech recognition system of unspecified person.In at the special speaker system, the user needs in advance each phonetic order to be trained.In the training stage, the user says each phonetic order several times successively that by mode of learning sound identification module extracts the characteristic quantity of phonetic order, and characteristic quantity is deposited in the storer by sequence.At cognitive phase, the characteristic quantity that sound identification module will be imported phonetic order successively with storer in each characteristic quantity of storing carry out similarity relatively, with the similarity soprano as recognition result output or output and the corresponding steering order of this characteristic quantity.The recognition performance of this speech recognition system is along with the increase of phonetic order number can significantly decrease, and for different user, in different noise circumstances, and under the different physiology of different time same subscriber, psychological condition, the performance of system all can be subjected to tangible influence, thereby and is not suitable for the production in enormous quantities of MP3 player.
In the speech recognition system that adopts at unspecified person, adopt algorithm based on statistical model, system developer is gathered a large amount of speech datas in advance and is trained, and obtains acoustic model and is stored in the storer.At cognitive phase, sound identification module carries out matching and decoding with the characteristic quantity of user's input phonetic order and the recognition network that makes up by acoustic model, export this phonetic order or with the corresponding steering order of this phonetic order.Main control module can be controlled the MP3 player according to the recognition result of sound identification module output.The unspecified person speech recognition system does not need to introduce loaded down with trivial details training process for the user, and is convenient for users to use; It can use for different people simultaneously, has therefore widened range of application greatly.On the other hand, owing to the algorithm that has adopted based on statistical model, its robustness and recognition performance all improve greatly than the special person identification system, and recognition performance can not significantly decrease along with the increase of identification entry number, and has certain anti-noise ability.
In the above-described embodiments, program request key and alternative key are set to same button, carry out difference control by the length of button time, but those skilled in the art can know that program request key and alternative key also can separately be arranged on the earphone.And scope of the present utility model is not limited to therewith.For example, wired earphone can be replaced by wireless headset (for example, bluetooth earphone); Phonetic codec chip also can be separated in main control module, and the mode that adopts sound identification module and player to peg graft is installed.
Above-mentioned detailed description only is exemplary description, and those skilled in the art can design various embodiments according to different actual needs under the situation that does not break away from the scope and spirit that the utility model protects.
Claims (10)
1. an acoustic control free online multimedium player comprises player main frame and the earphone that links to each other with described player main frame, it is characterized in that: be provided with removable phonetic codec chip and/or sound identification module in the described player main frame.
2. acoustic control free online multimedium player according to claim 1, it is characterized in that: described multimedia player is the MP3 player, it comprises main control module, memory module and voice D/A modular converter, described phonetic codec chip is arranged in the main control module, described voice D/A modular converter, memory module are connected main control module with sound identification module, and described earphone connects voice D/A modular converter.
3. acoustic control free online multimedium player according to claim 2, it is characterized in that: described earphone is provided with alternative key, play so that the alternative song in the memory module is carried out selectivity, also be provided with the receiver that is used to import described voice recognition information on the described earphone.
4. acoustic control free online multimedium player according to claim 3 is characterized in that: also be provided with the program request key that is used for from tin song mode switch to demand mode on the described earphone.
5. acoustic control free online multimedium player according to claim 4 is characterized in that: described earphone is a wired earphone, and described receiver, described program request key and described alternative key are arranged on the earphone cord of described wired earphone.
6. acoustic control free online multimedium player according to claim 2 is characterized in that: described alternative key also has the program request handoff functionality.
7. acoustic control free online multimedium player according to claim 2, it is characterized in that: described earphone is a wireless headset.
8. acoustic control free online multimedium player according to claim 7, it is characterized in that: described earphone is a bluetooth earphone.
9. acoustic control free online multimedium player according to claim 1, it is characterized in that: described voice recognition information comprises: song title or singer's name.
10. acoustic control free online multimedium player according to claim 1 is characterized in that: described sound identification module adopts and discerns described voice recognition information at the audio recognition method of unspecified person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200680143U CN2845023Y (en) | 2005-11-29 | 2005-11-29 | Voice controlled demanded multimedia player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200680143U CN2845023Y (en) | 2005-11-29 | 2005-11-29 | Voice controlled demanded multimedia player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2845023Y true CN2845023Y (en) | 2006-12-06 |
Family
ID=37486967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200680143U Expired - Fee Related CN2845023Y (en) | 2005-11-29 | 2005-11-29 | Voice controlled demanded multimedia player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2845023Y (en) |
-
2005
- 2005-11-29 CN CNU2005200680143U patent/CN2845023Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20101129 |