Agilent Voice Quality Tester(VQT)´Â ±¤¹üÀ§Çϸ鼭µµ ±¸Ã¼ÀûÀÎ À½¼º ÃøÁ¤ Àåºñ·Î, IP Telephony, Voice Over ATM°ú °°Àº Telephony Network »ó¿¡¼­ À½¼º ¼­ºñ½ºÀÇ ÁúÀ» Á¤È®ÇÏ°Ô ÃøÁ¤ÇÏ¿© À½¼º ¼­ºñ½º¸¦ Á¦°øÇÏ´Â ³×Æ®¿÷ ¼­ºñ½ºÀÇ ±¸¼º, Àü°³ ¹× ¼­ºñ½º °ø±ÞÀ» ÃÖÀûÈ­ ½ÃÄÑÁØ´Ù.
À½¼ºÀÇ Áú °¨¼Ò¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ Scoring ºÐ¼®¿¡ À־ Voice Clarity, Delay, Echo, Silence Suppression, DTMF, Signal Loss ºÐ¼®»Ó ¾Æ´Ï¶ó Â÷¼¼´ë ³×Æ®¿÷¿¡ ºÎÀÀÇÏ´Â ¸ðµç Voice Quality ÃøÁ¤ ±â´ÉÀ» Á¦°øÇÑ´Ù. Distribute µÈ Å×½ºÆ®±â´ÉÀº ³×Æ®¿÷ »óÀÇ ¾î´À °÷¿¡¼­³ª ¿ø°Ý VQT Test¸¦ ½ÇÇàÇÒ ¼ö ÀÖ°Ô ÇÑ´Ù.
  • Voice Service¿¡ ´ëÇÑ ³×Æ®¿÷ ¹èÄ¡¸¦ È®ÀÎ
  • NetworkÀÌ Voice Quality Standard¿¡ ºÎÇյǴÂÁö ¿©ºÎ È®ÀÎ
  • ´Ù¾çÇÑ È¯°æ¿¡¼­ NetworkÀÇ BaselineÀ» ÃøÁ¤
  • Voice Quality¿¡ ´ëÇÏ¿© ½Ã½ºÅÛ°ú ³×Æ®¿÷À» ÃÖÀûÈ­
  • ³×Æ®¿÷À» ¸ð´ÏÅÍ ÇÏ¿© À½¼º Áú ÀúÇϰ¡ ¹ß»ýÇÏ´ÂÁö È®ÀÎ
  • À½¼º Áú ÀúÇÏ ¹®Á¦ ¹ß»ý½Ã ÇØ°á ¹æ¾ÈÀ» ¸ð»ö
  • ´Ù¸¥ ³×Æ®¿÷ ¹× PSTN°ú ÇöÀç »ç¿ëÀÚÀÇ ³×Æ®¿÷ ¼öÇà »óŸ¦ ºñ±³ Æò°¡
  • »õ·Î Ãß°¡ µÈ Á¦Ç°ÀÇ Voice Quality ÃøÁ¤

Agilent VQT Platforms

Agilent VQT´Â µÎ°¡Áö ŸÀÔÀÇ PlatformÀ¸·Î Á¦°øµÈ´Ù. ¸ðµç PlatformÀº Distribute ¹× Remote Test ±â´ÉÀ» °¡Áö°í ÀÖÀ¸¸ç, ƯÈ÷ VQT Responders´Â Àú ºñ¿ëÀ¸·Î Å« ±Ô¸ðÀÇ Distributed VQT SolutionÀ» Á¦°ø ÇØ ÁØ´Ù.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VQT Portable Analyzer - J1981C

VQT Portable Analyzer´Â À̵¿Çü »ê¾÷ PC·Î Űº¸µå, ÅÍÄ¡ÆÐµå ¸¶¿ì½º, ¸ð´ÏÅͰ¡ žÀçµÇ¾î ÀÖ´Ù. ÇöÀå ÃøÁ¤¿ëÀ¸·Î µðÀÚÀÎ µÇ¾úÀ¸¸ç TCP / IP ³×Æ®¿÷À» ÅëÇØ ·ÎÄà ¶Ç´Â ¸®¸ðÆ® ÄÁÆ®·Ñ µÇ¸ç, Bench-Top Tester·Î½á »ç¿ëµÉ ¼ö ÀÖ´Ù.

VQT Responders J5426A

VQT Responders´Â ¼ÒÇü, Àú°¡ Àåºñ·Î VQT Å×½ºÆ® ´É·ÂÀ» ¼ö½Ê ¶Ç´Â ¼ö¹é ±ºµ¥ÀÇ Site·Î È®´ë½ÃŰ´Â ¿ªÇÒÀ» ÇÑ´Ù. ºñ¿ëÀ» È¿°úÀûÀ¸·Î ÁÙÀ̸鼭 ´ë±Ô¸ðÀÇ Distributed VQT ¼Ö·ç¼ÇÀ» Á¦°øÇØ ÁÖ¾î, Customer Site, Remote Site ¹× Off-Net Terminations¿¡ ÀûÇÕÇÑ Á¦Ç°À̶ó ÇÒ ¼ö ÀÖ´Ù. VQT Endpoint·Î½á VQT Responder´Â ¸ðµç VQT¿Í »óÈ£ ÀÛ¿ëÇÏ¿© Voice Quality¸¦ ÃøÁ¤ÇÑ´Ù.


IP Phone°ú PC PhoneÀ» ÅëÇÑ VQT

VQT Phone Adapter´Â ÀüÈ­±âÀÇ Handset Interface ¶Ç´Â PCÀÇ »ç¿îµåÄ«µå¿Í VQT Analog FXO¶Ç´Â E&M Æ÷Æ® »çÀÌ¿¡ ¿Àµð¿À ÀÎÅÍÆäÀ̽º¸¦ Á¦°øÇÏ¿© IP Phone ¹× PC PhoneÀÇ Voice Quality ÃøÁ¤À» °¡´ÉÇÏ°Ô ÇÑ´Ù. VQT Phone Adapter¸¦ »ç¿ëÇÏ¿© IP / PC Phone¿¡¼­ IP / PC PhoneÀ¸·Î, ȤÀº IP / PC Phone¿¡¼­ PSTN Phone, Gateway, ¶Ç´Â ´Ù¸¥ ¸ðµç Access Àåºñ·ÎÀÇ Voice Quality¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´Ù.

PESQ¸¦ ÀÌ¿ëÇÑ Voice Clarity Test
  • ITU P.862 Ç¥ÁØ ±â¹Ý
  • Àΰ£ Áö°¢ ¿ä¼Ò¸¦ ±âÃÊ·Î ÇÑ °´°üÀûÀÎ Speech Quality ÃøÁ¤
  • ÁÖ°üÀûÀÎ Å×½ºÆ® °á°ú¿Í °ü·Ã½ÃÄÑ °£´ÜÇÑ Score Á¦°ø
  • Frame Disturbance °ª°ú Audible Error SurfaceÀÇ ±×·¡ÇÈ °á°ú Á¦°ø
  • Disturbance Value¿Í PESQ ½ºÄھ ¼ýÀڷΠǥ½Ã
  • Global NetworkÀ» Distributed One-Way ÃøÁ¤
PSQM+¸¦ ÀÌ¿ëÇÑ Voice Clarity Å×½ºÆ®
  • ITU P.861 Ç¥ÁØ ±â¹ÝÀ¸·Î, ÆÐŶ ³×Æ®¿÷¿¡¼­ ¹ß»ýÇÒ ¼ö ÀÖ´Â ½ÉÇÑ º¯Á¶ Çö»óÀ» ÃøÁ¤
  • Àΰ£ Áö°¢ ¿ä¼Ò¸¦ ±âÃÊ·Î ÇÑ °´°üÀûÀÎ Speech Quality ÃøÁ¤
  • Àå½Ã°£¿¡ °ÉÄ£ Frame - by - Frame Score¸¦ Àü¼Û ¹× ¼ö½Å ½Ã±×³Î ±×·¡ÇÁ¿Í ¿¬°ü½ÃÄÑ ±×·¡ÇÁ·Î ³ªÅ¸³½´Ù.
  • PSQM+ Score¿Í Åë°è ºÐ¼® ÀڷḦ ¼ýÀÚ·Î ³ªÅ¸³¿
  • Global NetworkÀ» Distributed One-Way ÃøÁ¤
PAMS¸¦ ÀÌ¿ëÇÑ Voice Clarity Å×½ºÆ®
  • Àΰ£ Áö°¢ ¿ä¼Ò¸¦ ±âÃÊ·Î ÇÑ °´°üÀûÀÎ Speech Quality ÃøÁ¤
  • ÁÖ°üÀûÀÎ Å×½ºÆ® °á°ú¿Í °ü·Ã ½ÃÄÑ °£´ÜÇÑ Score Á¦°ø
  • Variable - Delay Network¿¡¼­ º¸´Ù Á¤È®ÇÑ ÃøÁ¤À» ÇÒ ¼ö ÀÖµµ·Ï °­È­µÈ Signal Processing ±â¼ú »ç¿ë
  • À½¼º Áú ÀúÇÏ Çö»óÀ» ³ªÅ¸³»´Â Error Surface¸¦ ±×·¡ÇÈÀ¸·Î ³ªÅ¸³¿
  • PAMS ScoreÀÇ °á°ú¸¦ ¼ýÀڷΠǥ½Ã
  • Global NetworkÀ» Distributed One-Way ÃøÁ¤