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Ç¥ÁعøÈ£ | TTAS.IT-P79 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 1999-04-23 | ÃÑÆäÀÌÁö | 29 |
ÇѱÛÇ¥Áظí | Àüȱ⠼ÂÀ» À§ÇÑ À½·®Á¤°Ý °è»ê¹ý | ||
¿µ¹®Ç¥Áظí | CALCULATION OF LOUDNESS RATINGS FOR TELEPHONE SETS | ||
Çѱ۳»¿ë¿ä¾à | º» Ç¥ÁØ¿¡¼´Â 180~4500Hz ÁÖÆļö ´ë¿ªÀ» Àü¼ÛÇÏ´Â ´Ü±¹ ÀüÈ°è(local telephone system)ÀÇ À½·®Á¤°Ý(loudness rating) °è»ê¹ýÀ» ±â¼úÇÏ °í ÀÖ´Ù. Àüȱ⠼Â(set)¿¡¼ À½·®Á¤°ÝÀ» ÀÌ¿ëÇÏ´Â ¸ñÀûÀº 2°¡ÁöÀÎ µ¥, ù¹ø°´Â Àü¼Û ¼³°èÀÚ¿¡°Ô ¸Á¿¡¼ Àüȱ⠼ÂÀÌ ¾î¶»°Ô µ¿ÀÛÇÏ´Â Áö¿¡ ´ëÇÑ ÀûÀýÇÑ ÃøÁ¤Ä¡¸¦ Á¦°øÇÏ´Â °ÍÀÌ°í, µÎ¹ø°´Â Àüȱ⠼°£ Ÿ´çÇÏ°í ¸íÈ®ÇÑ ºñ±³¸¦ °¡´ÉÇÏ°Ô ÇØÁØ´Ù. ±×·¡¼, È¥µ¿À» ÇÇÇϱâ À§ÇØ, º» Ç¥ÁØÀº ÀÌ·¯ÇÑ ¸ñÀûÀ» À§ÇØ Àüȱ⠼µéÀÇ À½·®Á¤°Ý¸¸À» ´Ù·ç°í ÀÖ´Ù. | ||
¿µ¹®³»¿ë¿ä¾à | THIS STANDARD SPECIFIES THE PREFERRED METHOD FOR CALCULATING LOUDNESS RATINGS IN THE CASE OF LOCAL TELEPHONE SYSTEM WHICH TRASMITS A BAND OF FREQUENCIES NOT EXCEEDING 180-4500 Hz. | ||
±¹Á¦Ç¥ÁØ | ITU-T P.79 | ||
°ü·ÃÆÄÀÏ | 98_017.doc |