Modern & Advanced Multimedia Labs

Jcom Korea Co. LTD is an expert company in sales and installation of high quality advanced Language Labs and multimedia classrooms for Educational and skilled training institutes, Customer requirements are being our priority, Jcom strives to provide higher value product and services to fulfill and exceed customers' demands.
Jcom will lead the way preparing the 21st century with systems for superior education, open education and advanced education environments.
 
We detail under components and specification of AAC & AA Language Labs TYPES
 
Multimedia Language Lab. Equipment & Specification:
 
1/A) Computer Console (Qty. One Set Per Each System )
Specification:

·  Sending up to 5 programs

·  Flexible seat location and relocation

·  Random grouping

·  All Call, Group Call, Intercom, Monitor

·  Conference (free talking), Pairing

·  Automatic Scanning Monitor

·  Mutual communication per group and whole call, Communication with 3 persons

·  Four persons per a group and four persons per whole group (Group of four study), Six persons per a Group and six persons per whole group (Group of six study)

·  Volume control of MIC, Speaker, Headset. Transmitting the program per each person

·  Function for listening test and mark of corrector answer 

·  Registration and assignment of grades (10 grades) and class (33 classes): 330 class (Name. Number, picture and the results of an examination for all students respectively.

·  During study, teacher able to check any details information for students.

·  Transmitting an image and teacher’s control screen (lab mode) in the same screen.

·  Provide the ability to registered by 10 sets Icons on windows application programs

·  Provides the ability to operate all system program by English language.

·  Provides the ability to help function and Index function by English language.

· English Operation manual and English language Operation Manual are necessary. 

 

Input:

·  Power Consumption - 90W ( MAX)

·  Power supply - 220V50HZ

·  Headset MIC 600ohms(-45dB)(4.4mv)

·  Aux MIC 600ohms(-60dB)(0.77mv)

·  Program Line 10kohms(-10dB)(0.24v)

·  Program Aux 10Kohms(-10dB)(0.24v)

·  Monitor Line 15Kohms(-15dB)(140mv)

·  Frequency response : 100 ~ 10,000Hz(Program channel)

· Signal versus rate of Noises : Better Than 45dB

 
Output:

·  Headset Phone 16ohms(-22dB)(190mv)

·  Lab speaker 8ohms 15watts(Max)

·  Program Line 150ohms (-5dB)(140mv)

·  Intercom Line 150ohms (-5dB)(0.43v)

·  Recording 10Kohms(-10dB)(0.24v)

 
 

1/B) Computer Set For The Teacher  (Qty. One Set Per System)

Specification:

·  CPU : INTEL PENTIUM 4 30GHz

·  Main memory : 256 MB (DDR RAM)

·   HDD : 60GB(INTERNAL)

·  Modem : 56KBPS

·  Sound card : on board, 3D Audio

· Video card : 1,024*768 Mode

· Video memory : 32MB , TV Card : SGIMA II

· Network card : 10/100MBPS

· Monitor : 17 Inch Color Monitor

· OS : English win XP

· CD ROM : 52X CD ROM

· FDD : 3.5 1.44MB

· Mouse : PS/2

· Keyboard : English

· Norton Antivirus 2000

· Microsoft office XP

· Speaker external(150W)

· TV CARD BUILT IN HIGH QUALITY

 

2) Master Recorder (Qty. Two Sets Per System)

Specification:

· LCD Display Panel, Function of Memory, Speed Control, Section repeat, Stop, Function of editing.

· Reset, Repeating a sentence, High-speed wind (2X), Re-wind, Unlimited repeating, Volume control Function of bookmark, repeating composition.

· Power Supply: AC 27 50/60HZ

· Track System: 2Track 2Channel

· Tape Speed : 4.76cm/sec(±1.5%)

· Bias Frequency: 60 KHz

 
Input:

· Headset Mic 600ohms -45dB

· Program Line 220Kohms -10dB

 
Output:

· Program Line -10dB

· Headset 150ohms 5~15dB

· Frequency Response: 100∼10,000Hz(at program listen)

· Signal to noise ratio: Better than 42dB

· Power consumption: 7W

 

3) Student Recorder   (Qty. As Per Number Of Students At One Classroom)

Specification:

LCD Display Panel, Function of Memory,  Speed Control,  Section repeat,  Stop,  Function of editing Reset, Repeating a sentence, Revival, High-speed wind(2X), Re-wind, Unlimited repeating, Volume control,  Function of bookmark,  Repeating composition, Selecting button programs selecting button for correct answer.

· Power Supply: AC 27 50/60HZ

· Track System: 2Track 2Channel

· Tape Speed : 4.76cm/sec(±1.5%)

· Bias Frequency: 60 KHz

 

Input:

· Bias Frequency: 60 KHz

· Program Line 220Kohms -10dB

 

Output:

· Program Line -10dB

· Headset 150ohms 5~15dB

· Frequency Response : 100∼10,000Hz(at program listen)

· Signal to noise ratio: Better than 42dB

· Power consumption: 7W

 

3/Or) Booth Amplifier  (Qty. As Per Number Of Students At One Classroom)

Specification:

A Cheaper Alternative to Student recorder that enables student to listen to the contents of the teaching material

Features:
 
 

· Call

· Volume Control

· Selecting a text book

· Answer

· Possible to connect to external sound card

· Power Source: 12V 60mA

 

4) Headset with Mic  (Qty. One per Each Student plus One for Teacher)

Specification:

· This headset is designed to endure the rough handling of everyday use and still be soft and light weight.

· Lightweight for maximum comfortable, weighing about 240g.

· Padded ear cushions can be removable for cleaning or replacement.

· The highly sensitive electrical condenser microphone assures distortion free sound.

Headphone Section

· Type/Moving Coil

· Impedance - 16 ohms(+20%)

· Output sound pressure level (-92dB)(1KHz)

· Normal input power - 20mW

· Maximum input power - 100mW

· Plug type - Telephone plug

Microphone Section

· Type - Electric condenser

· Output impedance - 600 ohms(±20%)

· Sensitivity (-45dB)(4.4mV)

· Frequency response - 50~15,000H

· Boom rotation range – 122

 

5) Video Distribution Unit (Optional)  (Qty. One Set Per Each System)

Specification:

 It is possible to visual materials freely to the screens of an individual students or a particular group or entire class by using video media tools. This distributor can control the monitoring of the students’

Input/Output Signal

          (video)  : 1 channel video (PAL)

          (RGB)  : Analog 1 channel.

          (COMMUNICATION) : RS232 3 P Connector

Output RGB output (40 Channel)

Cable Input : 4M VGA 2 EA, 4 M data 1 EA

Cable Output :  100m (MAX) UL 1061 VGA Cable

Power Sourche AC110/220, 50/60 Hz
 

6) Monitor For Students (Optional)  (Qty. One Set Per Each Student)

Specification:

· 15/17 Inch color monitor or lcd flat screen for students

· High quality type

 

7) Connection Cable  (Qty. As Per System Requirement)

Specification:
 
RGB 15 PIN cable for video distribution network
 
 
 
 

:8) Power Supply Unit  (Qty. One Set Per System)

· Supplies AC power to the all teacher and student recorders with AC 27V not only for student’s safety but for the low costs from easy installation

· Due to having a circuit of the excess electrical load, it is for preventing of the flowing of excess power and suppliers a flow of electricity stably.

Input voltage AC 220V 50HZ

Output voltage           AC 27V 50HZ, 48 PORT

Output power             400 W

 

9) Connection Cables  Qty. As Per System Requirement)

Specification:

· Using for connecting with main controller and student’s seat (student recorder).

· Pin-code is designed to maintain and repair easily and to contact conveniently.

· Use copper wire of inside which has the special treatments of stone coating of 0.16mm and 14 lines.

       In addition, since this copper wire is covered by PVC, we can guarantee the safety and quality.

· AWG size: No24 (12/0.16mm)

· PVC insulation: 1.35mm (dia)

· Rating voltage: Max 300V

· Rating Temperature: Max 80℃S

 

10) Connection cable  (Qty As per system requirement)

Specification:

· Using for connecting with main controller and student’s seat (student recorder).

· Pin-code is designed to maintain and repair easily and to contact conveniently.

· Use copper wire of inside which has the special treatments of stone coating of 0.16mm and 4 lines.

       In addition, since this copper wire is covered by PVC, we can guarantee the safety and quality.

· AWG size: No24 (12/0.16mm)

· PVC insulation: 1.35mm (dia)

· Rating voltage: Max 300V

· Rating Temperature: Max 80℃S

 

11) Furniture for language lab shall include the following: - (to be provided either by contractor or client)

· Platform with suitable enough capacity desk for the teacher to accommodate pc, control equipment and teacher's recorders with suitable chair

· Special design desk/booth with suitable chair for the students to accommodate student recorder, monitor and headset

· Digging of the floor & trunking for the system for system cabling

 

12) ancillary equipment for the lab such as VTR, DVD, data show or visualizer to be provided upon request

 

 
We are pleased to announce that Jcom has launched the latest technology of Language Labs. Fully computerized ( software based Lab.)
 

For more information please contact us.