Product introduction |
Longsea DLSN9000 provides a bi-teaching language learning system as adding student specialized digital terminal. It has the characteristic of terminal and PC moving independently, and can do basic language teaching function when not starting student PC. It also can realize all the language teaching functions through PC under the situation of student PC terminal breaking down. Besides, it can realize the language teaching function through teacher controller when teacher PC shutting down. Thus, it ensures the normal requirements of language teaching when existing common errors. |
| Product picture |
| ¸½Í¼£º |
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Multi-media telecasts control
Language teaching operation
Size: 1294(W)¡Á780(D)¡Á775(H) Weight£º53.5kg |
Main control console |
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Embedded PC processing, operation system Windows CE
AV processing equipment, audio signal analogue digitalize.
Size: 400(D)¡Á280(W)¡Á140(H) Weight£º4.00kg |
Main control box of language laboratory |
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LCD, Japanese e-control logic chip; Sentence repeat function, Language editing; Control track play; Free & randam exam function
4-channel program selection, 5 points bookmark
Size: 186(D)¡Á336(W)¡Á140(H) Weight: 2.35kg |
Record cassette |
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Specialized digital terminal, digitalized transmission, PC operation independently
LCD, Dot matrix 128*64
Embeded operation system
Size: 255(D)¡Á150(W)¡Á130(H) Weight£º0.45 kg |
Student digital terminal |
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24 Port Standard Ethernet switching machine.
Meet the standard of IEEE 802.3¡¢IEEE 802.3u; 24 pcs 10/100M suit for RJ45 port; Support port auto rotating£¨Auto MDI/MDIX£© |
Network switching machine |
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All wooden construction, density board, twin-seat.
The thickness is 16mm.
Size£º1400(D)¡Á600(W)¡Á1100(H) |
Student booth |
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| Technical specification |
Matching all the functions and requirements for category A stipulated in the Chinese standard of "Digital language lab technical standard"
Network: Accordant with standard IP protocol, adopt fast Ethernet switching machine to connect equipment, teacher control machine and resource.
Server: 100M or 1000M Ethernet.
Student terminal: Standard PC and 100M Ethernet
Frequency response:
File play on demand: 125-16KHz
Teacher broadcasting: 125-16KHz
Intercom: 125-16KHz
Sampling frequency: 63Hz¡ª20.05Khz
Time lag: Broadcast: <10ms
Intercom: <10ms
Headset frequency response: 20-20KHz
Headset impedance: 32¦¸
Headset sensitivity >108db
Microphone frequency response: 200-5KHz
Microphone sensitivity -42db
Directivity: single direction
Voice distortion ¡Ü1ms
Voice cross attenuation: ¡Ý60dB in rated frequency range. |
Product function |
Mail controller and student terminal function |
Speak to all |
Intercom between teacher and student |
Classware-make |
Real-time record |
Volume control |
Audio broadcasting |
Audio and text simultaneous broadcasting |
Audio multicasting |
Text broadcasting |
Text multicasting |
Grouping |
SP play |
Variable speed play without tone changed |
Model voice |
Network browsing |
Program pre-listen |
Monitor to student PC |
Login |
ID confirm |
SP |
AOD |
Text and audio demand |
Listening selection |
Oral exam |
Reading selection |
Teacher screen broadcasting |
Video broadcasting |
Simultaneous interpretation |
Dematerialized exam |
E-dictionary |
AOD function |
Text on demand |
Student PC function |
Self VOD |
Self AOD |
Classware on demand |
Variable speed play without tone changed |
Audio loop playing |
Access to resourse bank of campus network |
Access internet |
Various exam |
Reading exam |
Video program display |
Multinational word input & edit |
Simultaneous typing and shorthand exercise |
Other function |
Exam analysis |
Intelligent marking |
4/6 band emulational exam |
Management to resourse bank |
English chat |
Repeat, SP, Contrast |
Monitor to student PC |
Multi-Classroom link and management |
Control and Lock student PCs |
Centralized start and closure for student PCs |
System intelligent upgrade |
Network diagnosis and management |
Charge function |
Classware making and management |
Data lead-in |
Bookmark setting |
E-message, E-board |
Tape editing function |
DVD playing function |
16-student simultaneous interpretation |
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Product basic configuration |
No. |
Equipment Name |
Manufacturer |
Function |
QTY. |
Unit |
1 |
Teacher control PC |
Domestic Brand |
Current popular configuration. |
1 |
Set |
2 |
Teaching system software |
Longsea |
Language lab system control software and server software |
1 |
Set |
3 |
Record cassette |
Longsea |
Play tape resource and edit tape |
2 |
Set |
4 |
Language lab control box |
Longsea |
Video-audio signal control and specialized processing equipment |
1 |
Set |
5 |
Teacher main control desk |
Domestic |
Teacher platform, and the size is provided by us. |
1 |
Piece |
6 |
Swivel chair |
Domestic |
Teacher's chair |
1 |
Piece |
7 |
Network switching machine |
Domestic |
Standard Ethernet switching machine. 24 port,100M |
3 |
Set |
8 |
Network Line |
Domestic |
Twisted pair line |
2 |
Carton |
9 |
Student PC |
Domestic |
General config in the market |
64 |
Set |
10
|
Student specialized digital terminal |
Longsea |
LCD, digital language lab function, key-operation.
Realize language learning function by PC independently. |
64 |
Set |
11 |
Student video control cassette |
Longsea |
Realize video broadcasting from teacher terminal to student by hardware. |
64 |
Set |
12 |
Student software |
Longsea |
The language teaching software installed in the student PC. |
64 |
Set |
13 |
Headset and microphone |
Longsea |
The headset and microphone used by teacher and student |
65 |
Piece |
14 |
Student booth |
Domestic |
Language lab pair-seat, and the size is provided by us. |
32 |
Piece |
15 |
Transportation |
Longsea |
Handled by us or agent |
1 |
Set |
Remark: In "Manufacturer" of the config table, "Longsea" stands for equipment produced by our company and other equipments can be bought by user or agent in the market. According to the user's requirement, you can add multi-media equipment, such as sound box function, projection,etc. |
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