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ບົ ດທີ່ 1 ແນະນຳ
I. Web conference ແມີ່ ນຫຍັ ງ?
ລະບົ ບປະຊຸ ມທຳງໄກອອນລຳຍ (Web conference)
ແມີ່ ນລະບົ ບປະຊຸ ມອອນລຳຍທຳງໄກເຄຶ ອຂີ່ ຳຍອິ ນເຕິ ເນັ ດຄວຳມໄວສູ ງ
ໂດຍສຳມຳດຈັ ດກຳນປະຊຸ ມແບບເຫັ ນພຳບຟັ ງສຽງຜູູ້ ເຂົູ້ ຳຮີ່ ວມປະຊຸ ມ
ຕະຫຼ ອດຈົ ນນຳສະເໜຂູ້ ມູ ນຕີ່ ທີ່ ປະຊຸ ມ (Presentation)
ພູ້ ອມຮັ ບສົີ່ ງຂູ້ ມູ ນໃນຮູ ບແບບຕີ່ ຳງໆໄດູ້ ໃນເວລຳດຽວກັ ນ ດູ້ ວຍກຳນໃຊູ້ ສີ່ ອງສັ ນຍຳອິ ນເຕເນັ ດ
(Bandwidth) ໄດູ້ ຢີ່ ຳງມປະສິ ດທີ່ ພຳບ ເໝຳະສຳລັ ບກຳນປະຊຸ ມທຳງໄກ ກຳນຮຽນ ກຳນສອນ,
ກຳນຝຶ ກອົ ບຮົ ມ, ກຳນປະຊຳສຳພັ ນສິ ນຄູ້ ຳ ແລະ ກິ ດຈະກຳສົ ນທະນຳຕີ່ ຳງໆ.
II. ຈຸ ດປະສົ ງຂອງ Web conference
- ເພຶີ່ ອໃຊູ້ ໃນກຳນຈັ ດກຳນປະຊຸ ມທຳງໄກອອນລຳຍ ແບບໂຕູ້ ຕອບທັ ງທ (Real-Time Conference)
- ເພຶີ່ ອໃຫູ້ ສຳມຳດຂະຫຍຳຍຂອບເຂດກຳນປະຊຸ ມໄປຍັ ງຈຸ ດຕີ່ ຳງໆ ທັ ງພຳຍນຳຍ ແລະ
ພຳຍນອກອົ ງກອນທີ່ ສຳມຳດເຊີ່ ອມຕີ່ ກັ ບ Intranet ຫຼ Internet
- ເພຶີ່ ອໃຊູ້ ໃນກຳນສຳມະນຳທຳງອອນລຳຍ
- ເພຶີ່ ອໃຊູ້ ໃນກຳນຈັ ກກຳນຮຽນກຳນສອນທຳງອອນລຳຍ (Distance Learning)
- ເພຶີ່ ອໃຊູ້ ຄອມພິ ວເຕ ແລະ ເຂຶ ອຄີ່ ຳຍອິ ນເຕເນັ ດທີ່ ມຢູີ່ ແລູ້ ວໃນອົ ງກອນໃຫູ້ ເກດປະໂຫຍກຫຼ ຳຍຂູ້ ນ
- ເພຶີ່ ອຂະຫຍຳຍຜົ ນນຳເນູ້ ອຫຳທີ່ ໃຊູ້ ປະຊຸ ມ ຫຼ ກຳນຮຽນກຳນສອນ
ມຳເປດເບີ່ ງເພຶີ່ ອທົ ບທວນໄດູ້ ຕຳມອັ ດທະຍຳສຳຍ
III. ປະໂຫຍດຂອງ Web conference
- ລົ ດຄີ່ ຳຍໃຊູ້ ຈີ່ ຳຍໃນກຳນຈັ ດປະຊຸ ມ ແລະ ປະສຳນງຳນນັ ດໝຳຍ
- ລົ ດຄີ່ ຳໃຊູ້ ຈີ່ ຳຍໃນກຳນເດິ ນທຳງເພຶີ່ ອປະຊຸ ມ
- ເພີ່ ມປະສິ ດທິ ພຳບໃນກຳນປະຊຸ ມດູ້ ວຍກຳນໃຊູ້ ງຳນທີ່ ຈຳເປັ ນ ແລະ ຫລຳກຫຼ ຳຍ
- ເພິີ່ ມປະສິ ດທພຳບຂອງງຳນ ແລະ ຜະລິ ດທຳງທຸ ລະກິ ດ
- ເພິີ່ ມກຳນໃຊູ້ ປະໂຫຍດຈຳກກຳນລົ ງທຶ ນດູ້ ຳນອິ ນເຕເນັ ດ
ເພິີ່ ມປະສິ ດທພຳບໃນກຳນສີ່ ສຳນຂອງອົ ງກອນ
IV. ຄຸ ນສົ ມບັ ດຂອງ Web conference
 ຫູ້ ອງປະຊຸ ມພົ ກພຳ ປະຊຸ ມໄດູ້ ໃນທຸ ກທີ່ ທຸ ກເວລຳ ທົີ່ ວໂລກຜີ່ ຳນເຂຶ ອຄີ່ ຳຍອິ ນເຕເນັ ດ
 ນັ ດໝຳຍງີ່ ຳຍໃຊູ້ ສະດວກ ກຳນນັ ດໝຳຍ ແລະ ບລິ ຫຳນກຳນປະຊຸ ມ ສຳມຳດເຮັ ດສະດວກ ແລະ
ວີ່ ອງໄວເທົີ່ ຳທຕູ້ ອງກັ ນໂດຍກຳນນັ ດໝຳຍຈຳກ Email
 ເຄຶີ່ ອງມຊີ່ ວຍສົ ນທະນຳ ມເຄີ່ ອງມໃຊູ້ ງຳນຢີ່ ຳງຫຼ ວງຫຼ ຳຍເພຶີ່ ອຮອງຮັ ບກຳນປະຊຸ ມ ເຊັີ່ ນ:
ກະດຳນອິ ນເລັ ກໂທຣນິ ກ, ກຳນແຊຣໄຟລ ກຳນສົີ່ ງຂູ້ ຄວຳມ ແລະ
ກຳນແຊຣໜູ້ ຳຈຄອມພິ ວເຕເປັ ນຕົູ້ ນ
V. ຮູ ບແບບຄຸ ນນະພຳບຂອງໜູ້ ຳຈ ວດໂອ (Conference Quality)
ຄຸ ນນະພຳບຂອງໜູ້ ຳຈ ວດໂອ ມ 4 ຮູ ບແບບດັີ່ ງນູ້ :
- ຂະນຳດໜູ້ ຳຈວດໂອ 1280 x 720 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 1
Mbps.
- ຂະນຳດໜູ້ ຳຈວດໂອ 960 x 720 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 768
Kbps.
- ຂະນຳດໜູ້ ຳຈວດໂອ 800 x 600 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 512
Kbps.
- ຂະນຳດໜູ້ ຳຈວດໂອ 640 x 480 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 384
Kbps.
VI. ຂູ້ ກຳນົ ດທຳງເທັ ກນິ ກສຳລັ ບເຄຶີ່ ອງຄອມພິ ວເຕ
Hardware
- CPU: Pentium Core 2 Duo, 2.0 or higher
- Ram: 2 GB or higher
- Standard sound card with headset, microphone
- Microphone
- Speakers and Web-Cam with 320X240 support or Fire wire Digital Camera with D1 support
- If video source is analog, hardware capture card is required
- Bandwidth: 512 kbps or higher
Software
- Operating System: Microsoft Windows xp, Windows7, Windows8, ios, Android - Web Browser
google Chrome, Firefox, Opera
- Microsoft DirectX 8.1 or higher version
 ຄວນປັ ບຂະນຳດ Bandwidth
ຂອງພຳບໃຫູ້ ເໝຳະສົ ມກັ ບຄວຳມໄວຂອງອິ ນເຕິ ເນັ ດທີ່ ໃຊູ້ ງຳນເພຶີ່ ອໃຫູ້ ໄດູ້ ປະສິ ດທິ ພຳບໃນກຳນໃຊູ້ ງຳນ
ຂູ້ ແນະນຳໃນກຳນໃຊູ້ Web conference
ຫຳກກຳນໃຊູ້ ງຳນແລູ້ ວເກດສຽງສະທູ້ ອນ (Echo) ກຳນແກູ້ ໄຂທີ່ ສຳມຳດເຮັ ດໄດູ້ ຄ
1) ຜູູ້ ເຂົູ້ ຳຮີ່ ວມປະຊຸ ມທີ່ ບີ່ ໄດູ້ ເປັ ນຜູູ້ Present ຫຼ ສະແດງຄວຳມຄິ ດເຫັ ນໃຫູ້ ປິ ດ ໄມໂຄຣໂຟນ ແລະ
ເປດໄມໂຄຣໂຟນ ເມີ່ ອຕູ້ ອງກຳນໃຊູ້ ງຳນເທົີ່ ຳນັູ້ ນ
2) ກລະນໃຊູ້ ລຳໂພງໃຫູ້ ຫັ ນອອກຈຳກໄມໂຄຣໂຟນ
ບົ ດທ 4 ຮູ ບແບບຫູ້ ອງຊຸ ມ
ອຸ ປະກອນປະກອບກຳນປະຊຸ ມຜີ່ ຳນລະບົ ບ WebConference
ກຳນປະຊຸ ມແບບບຸ ກຄົ ນ1 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ
ອູ ປະກອນທີ່ ແນີ່ ນຳ
1. Internet
2. Computer PC or Notebook
3. ກູ້ ອງ Web Camera
4. Headphone ພູ້ ອມ Microphone
ກຳນປະຊຸ ມແບບກຸີ່ ມຍີ່ ອຍ 2-4 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ
ອູ ປະກອນທີ່ ແນີ່ ນຳ
1. Internet
2. Computer PC or Notebook
3. ກູ້ ອງ Web Camera
4. Desktop Speaker ພູ້ ອມ Microphone
ຫຼ Conference ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ)
ກຳນປະຊຸ ມແບບກຸີ່ ມຍີ່ ອຍ 2-7 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ
ອູ ປະກອນທີ່ ແນີ່ ນຳ
1. Internet
2. Computer PC or Notebook
3. ກູ້ ອງ Web Camera
4. Desktop Speaker ພູ້ ອມ Microphone
ຫຼ Conference ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ )
ກຳນປະຊຸ ມຂະໜຳດກຳງ 5-10/ ເຄີ່ ອງຄອມພິ ວເຕ
ອູ ປະກອນທີ່ ແນີ່ ນຳ
1. Internet
2. Computer PC or Notebook
3. ໂປຣເຈກເຕຫຼ ຈພຳບຂະໜຳດໃຫຍີ່
4. ກູ້ ອງ Web Camera
5. Desktop Speaker ພູ້ ອມ Microphone
ຫຼ Conference Card ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ )
ກຳນປະຊຸ ມແບບຫູ້ ອງປະຊຸ ມ ( ຫູ້ ອງປະຊຸ ມມເຄີ່ ອງສຽງ )
ອູ ປະກອນທີ່ ແນີ່ ນຳ
1. Internet
2. Computer PC or Notebook
3. ໂປຣເຈກເຕຫຼ ຈພຳບຂະໜຳດໃຫຍີ່
4. ກູ້ ອງຂະໜຳດໃຫຍີ່ ມ Remote ຄອບຄຸູ້ ມ ພູ້ ອມອຸ ປະກອນແປຣງສັ ນຍຳນ AV to USB
5. Desktop Speaker ພູ້ ອມ Microphone
ຫຼ Conference Card ສຳລັ ບຫູ້ ອງປະຊຸ ມທີ່ ມຊຸ ດ Mixer
ລະບົ ບສຽງ (ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ )
ບົດທີ່ 1 ແນະນຳ.docx internet

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ບົດທີ່ 1 ແນະນຳ.docx internet

  • 1. ບົ ດທີ່ 1 ແນະນຳ I. Web conference ແມີ່ ນຫຍັ ງ? ລະບົ ບປະຊຸ ມທຳງໄກອອນລຳຍ (Web conference) ແມີ່ ນລະບົ ບປະຊຸ ມອອນລຳຍທຳງໄກເຄຶ ອຂີ່ ຳຍອິ ນເຕິ ເນັ ດຄວຳມໄວສູ ງ ໂດຍສຳມຳດຈັ ດກຳນປະຊຸ ມແບບເຫັ ນພຳບຟັ ງສຽງຜູູ້ ເຂົູ້ ຳຮີ່ ວມປະຊຸ ມ ຕະຫຼ ອດຈົ ນນຳສະເໜຂູ້ ມູ ນຕີ່ ທີ່ ປະຊຸ ມ (Presentation) ພູ້ ອມຮັ ບສົີ່ ງຂູ້ ມູ ນໃນຮູ ບແບບຕີ່ ຳງໆໄດູ້ ໃນເວລຳດຽວກັ ນ ດູ້ ວຍກຳນໃຊູ້ ສີ່ ອງສັ ນຍຳອິ ນເຕເນັ ດ (Bandwidth) ໄດູ້ ຢີ່ ຳງມປະສິ ດທີ່ ພຳບ ເໝຳະສຳລັ ບກຳນປະຊຸ ມທຳງໄກ ກຳນຮຽນ ກຳນສອນ, ກຳນຝຶ ກອົ ບຮົ ມ, ກຳນປະຊຳສຳພັ ນສິ ນຄູ້ ຳ ແລະ ກິ ດຈະກຳສົ ນທະນຳຕີ່ ຳງໆ. II. ຈຸ ດປະສົ ງຂອງ Web conference - ເພຶີ່ ອໃຊູ້ ໃນກຳນຈັ ດກຳນປະຊຸ ມທຳງໄກອອນລຳຍ ແບບໂຕູ້ ຕອບທັ ງທ (Real-Time Conference) - ເພຶີ່ ອໃຫູ້ ສຳມຳດຂະຫຍຳຍຂອບເຂດກຳນປະຊຸ ມໄປຍັ ງຈຸ ດຕີ່ ຳງໆ ທັ ງພຳຍນຳຍ ແລະ ພຳຍນອກອົ ງກອນທີ່ ສຳມຳດເຊີ່ ອມຕີ່ ກັ ບ Intranet ຫຼ Internet - ເພຶີ່ ອໃຊູ້ ໃນກຳນສຳມະນຳທຳງອອນລຳຍ - ເພຶີ່ ອໃຊູ້ ໃນກຳນຈັ ກກຳນຮຽນກຳນສອນທຳງອອນລຳຍ (Distance Learning) - ເພຶີ່ ອໃຊູ້ ຄອມພິ ວເຕ ແລະ ເຂຶ ອຄີ່ ຳຍອິ ນເຕເນັ ດທີ່ ມຢູີ່ ແລູ້ ວໃນອົ ງກອນໃຫູ້ ເກດປະໂຫຍກຫຼ ຳຍຂູ້ ນ - ເພຶີ່ ອຂະຫຍຳຍຜົ ນນຳເນູ້ ອຫຳທີ່ ໃຊູ້ ປະຊຸ ມ ຫຼ ກຳນຮຽນກຳນສອນ ມຳເປດເບີ່ ງເພຶີ່ ອທົ ບທວນໄດູ້ ຕຳມອັ ດທະຍຳສຳຍ III. ປະໂຫຍດຂອງ Web conference - ລົ ດຄີ່ ຳຍໃຊູ້ ຈີ່ ຳຍໃນກຳນຈັ ດປະຊຸ ມ ແລະ ປະສຳນງຳນນັ ດໝຳຍ - ລົ ດຄີ່ ຳໃຊູ້ ຈີ່ ຳຍໃນກຳນເດິ ນທຳງເພຶີ່ ອປະຊຸ ມ - ເພີ່ ມປະສິ ດທິ ພຳບໃນກຳນປະຊຸ ມດູ້ ວຍກຳນໃຊູ້ ງຳນທີ່ ຈຳເປັ ນ ແລະ ຫລຳກຫຼ ຳຍ - ເພິີ່ ມປະສິ ດທພຳບຂອງງຳນ ແລະ ຜະລິ ດທຳງທຸ ລະກິ ດ - ເພິີ່ ມກຳນໃຊູ້ ປະໂຫຍດຈຳກກຳນລົ ງທຶ ນດູ້ ຳນອິ ນເຕເນັ ດ ເພິີ່ ມປະສິ ດທພຳບໃນກຳນສີ່ ສຳນຂອງອົ ງກອນ IV. ຄຸ ນສົ ມບັ ດຂອງ Web conference  ຫູ້ ອງປະຊຸ ມພົ ກພຳ ປະຊຸ ມໄດູ້ ໃນທຸ ກທີ່ ທຸ ກເວລຳ ທົີ່ ວໂລກຜີ່ ຳນເຂຶ ອຄີ່ ຳຍອິ ນເຕເນັ ດ  ນັ ດໝຳຍງີ່ ຳຍໃຊູ້ ສະດວກ ກຳນນັ ດໝຳຍ ແລະ ບລິ ຫຳນກຳນປະຊຸ ມ ສຳມຳດເຮັ ດສະດວກ ແລະ ວີ່ ອງໄວເທົີ່ ຳທຕູ້ ອງກັ ນໂດຍກຳນນັ ດໝຳຍຈຳກ Email  ເຄຶີ່ ອງມຊີ່ ວຍສົ ນທະນຳ ມເຄີ່ ອງມໃຊູ້ ງຳນຢີ່ ຳງຫຼ ວງຫຼ ຳຍເພຶີ່ ອຮອງຮັ ບກຳນປະຊຸ ມ ເຊັີ່ ນ: ກະດຳນອິ ນເລັ ກໂທຣນິ ກ, ກຳນແຊຣໄຟລ ກຳນສົີ່ ງຂູ້ ຄວຳມ ແລະ ກຳນແຊຣໜູ້ ຳຈຄອມພິ ວເຕເປັ ນຕົູ້ ນ V. ຮູ ບແບບຄຸ ນນະພຳບຂອງໜູ້ ຳຈ ວດໂອ (Conference Quality) ຄຸ ນນະພຳບຂອງໜູ້ ຳຈ ວດໂອ ມ 4 ຮູ ບແບບດັີ່ ງນູ້ : - ຂະນຳດໜູ້ ຳຈວດໂອ 1280 x 720 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 1 Mbps. - ຂະນຳດໜູ້ ຳຈວດໂອ 960 x 720 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 768 Kbps. - ຂະນຳດໜູ້ ຳຈວດໂອ 800 x 600 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 512 Kbps. - ຂະນຳດໜູ້ ຳຈວດໂອ 640 x 480 pixels ລະບົ ບຕູ້ ອງກຳນຂະນຳດຄວຳມໄວຂອງ Bandwidth ທີ່ 384 Kbps. VI. ຂູ້ ກຳນົ ດທຳງເທັ ກນິ ກສຳລັ ບເຄຶີ່ ອງຄອມພິ ວເຕ
  • 2. Hardware - CPU: Pentium Core 2 Duo, 2.0 or higher - Ram: 2 GB or higher - Standard sound card with headset, microphone - Microphone - Speakers and Web-Cam with 320X240 support or Fire wire Digital Camera with D1 support - If video source is analog, hardware capture card is required - Bandwidth: 512 kbps or higher Software - Operating System: Microsoft Windows xp, Windows7, Windows8, ios, Android - Web Browser google Chrome, Firefox, Opera - Microsoft DirectX 8.1 or higher version  ຄວນປັ ບຂະນຳດ Bandwidth ຂອງພຳບໃຫູ້ ເໝຳະສົ ມກັ ບຄວຳມໄວຂອງອິ ນເຕິ ເນັ ດທີ່ ໃຊູ້ ງຳນເພຶີ່ ອໃຫູ້ ໄດູ້ ປະສິ ດທິ ພຳບໃນກຳນໃຊູ້ ງຳນ ຂູ້ ແນະນຳໃນກຳນໃຊູ້ Web conference ຫຳກກຳນໃຊູ້ ງຳນແລູ້ ວເກດສຽງສະທູ້ ອນ (Echo) ກຳນແກູ້ ໄຂທີ່ ສຳມຳດເຮັ ດໄດູ້ ຄ 1) ຜູູ້ ເຂົູ້ ຳຮີ່ ວມປະຊຸ ມທີ່ ບີ່ ໄດູ້ ເປັ ນຜູູ້ Present ຫຼ ສະແດງຄວຳມຄິ ດເຫັ ນໃຫູ້ ປິ ດ ໄມໂຄຣໂຟນ ແລະ ເປດໄມໂຄຣໂຟນ ເມີ່ ອຕູ້ ອງກຳນໃຊູ້ ງຳນເທົີ່ ຳນັູ້ ນ 2) ກລະນໃຊູ້ ລຳໂພງໃຫູ້ ຫັ ນອອກຈຳກໄມໂຄຣໂຟນ
  • 3. ບົ ດທ 4 ຮູ ບແບບຫູ້ ອງຊຸ ມ ອຸ ປະກອນປະກອບກຳນປະຊຸ ມຜີ່ ຳນລະບົ ບ WebConference ກຳນປະຊຸ ມແບບບຸ ກຄົ ນ1 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ ອູ ປະກອນທີ່ ແນີ່ ນຳ 1. Internet 2. Computer PC or Notebook 3. ກູ້ ອງ Web Camera 4. Headphone ພູ້ ອມ Microphone ກຳນປະຊຸ ມແບບກຸີ່ ມຍີ່ ອຍ 2-4 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ ອູ ປະກອນທີ່ ແນີ່ ນຳ 1. Internet 2. Computer PC or Notebook 3. ກູ້ ອງ Web Camera 4. Desktop Speaker ພູ້ ອມ Microphone ຫຼ Conference ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ) ກຳນປະຊຸ ມແບບກຸີ່ ມຍີ່ ອຍ 2-7 ຄົ ນ/ ເຄີ່ ອງຄອມພິ ວເຕ ອູ ປະກອນທີ່ ແນີ່ ນຳ 1. Internet 2. Computer PC or Notebook 3. ກູ້ ອງ Web Camera 4. Desktop Speaker ພູ້ ອມ Microphone
  • 4. ຫຼ Conference ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ ) ກຳນປະຊຸ ມຂະໜຳດກຳງ 5-10/ ເຄີ່ ອງຄອມພິ ວເຕ ອູ ປະກອນທີ່ ແນີ່ ນຳ 1. Internet 2. Computer PC or Notebook 3. ໂປຣເຈກເຕຫຼ ຈພຳບຂະໜຳດໃຫຍີ່ 4. ກູ້ ອງ Web Camera 5. Desktop Speaker ພູ້ ອມ Microphone ຫຼ Conference Card ( ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ ) ກຳນປະຊຸ ມແບບຫູ້ ອງປະຊຸ ມ ( ຫູ້ ອງປະຊຸ ມມເຄີ່ ອງສຽງ ) ອູ ປະກອນທີ່ ແນີ່ ນຳ 1. Internet 2. Computer PC or Notebook 3. ໂປຣເຈກເຕຫຼ ຈພຳບຂະໜຳດໃຫຍີ່ 4. ກູ້ ອງຂະໜຳດໃຫຍີ່ ມ Remote ຄອບຄຸູ້ ມ ພູ້ ອມອຸ ປະກອນແປຣງສັ ນຍຳນ AV to USB 5. Desktop Speaker ພູ້ ອມ Microphone ຫຼ Conference Card ສຳລັ ບຫູ້ ອງປະຊຸ ມທີ່ ມຊຸ ດ Mixer ລະບົ ບສຽງ (ມຟັ ງຊັ ນ Echo canceller ໃນຕົ ວ )