( )ﺳﺮﻋﺔ ﻗﺼﻮﻯUSB 2.0 ،USB 1.1
ﻣﻦ ﻓﺌﺔ ﺍﻟﺘﺨﺰﻳﻦ ﺍﻹﺟﻤﺎﻟﻲ
32/16/FAT12
5.1 ﺃﻣﺒﻴﺮ
ﺗﻴﺎﺭ ﻣﺒﺎﺷﺮ 5 ﻓﻮﻟﺖ
02 ﻫﺮﺗﺰ — 02 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
501 ﺩﻳﺴﻴﺒﻞ
09 ﺩﻳﺴﻴﺒﻞ
58 ﺩﻳﺴﻴﺒﻞ
MPEG-1/2 Audio Layer-3 ﻣﺘﻮﺍﻓﻖ ﻣﻊ
Windows Media Audio ﻣﺘﻮﺍﻓﻖ ﻣﻊ ﺻﻴﻐﺔ
".aac" AAC-LC ﻣﻠﻔﺎﺕ
ﺧﻄﻲPCM) waveform RIFF ﺗﻨﺴﻴﻖ ﺻﻮﺕ
، ﻣﺎ ﻳﺼﻞ ﺍﻟﻰ 42 ﺑﺖ/ 84 ﻛﻴﻠﻮFLAC ﻣﻠﻒ
02 ﻫﺮﺗﺰ — 02 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
000 1 ﻣﻠﻠﻲ ﻓﻮﻟﺖ
03 ﻛﻴﻠﻮ ﺃﻭﻡ
ﻋﺮﺑﻲ
27
USB ﻣﻌﻴﺎﺭ
ﺍﻷﺟﻬﺰﺓ ﺍﻟﻤﺘﻮﺍﻓﻘﺔ
ﻧﻈﺎﻡ ﺍﻟﻤﻠﻔﺎﺕ
ﺍﻟﺤﺪ ﺍﻷﻗﺼﻰ ﻟﻺﻣﺪﺍﺩ ﺑﺎﻟﺘﻴﺎﺭ
42 ﺑﺎﻳﺖ
D/A ﻣﺤﻮﻝ
(ﺍﺳﺘﺠﺎﺑﺔ ﺍﻟﺘﺮﺩﺩ )1± ﺩﻳﺴﻴﺒﻞ
ﻧﺴﺒﺔ ﺍﻹﺷﺎﺭﺓ ﺇﻟﻰ ﺍﻟﻀﻮﺿﺎﺀ
()1 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
ﺍﻟﻤﺠﺎﻝ ﺍﻟﺪﻳﻨﺎﻣﻴﻜﻲ
ﻓﺼﻞ ﺍﻟﻘﻨﻮﺍﺕ
MP3 ﻓﻚ ﺷﻔﺮﺓ
WMA ﻓﻚ ﺷﻔﺮﺓ
AAC ﻓﻚ ﺷﻔﺮﺓ
WAV ﻓﻚ ﺷﻔﺮﺓ
(ﻓﻘﻂ
FLAC ﻓﻚ ﺷﻔﺮﺓ
ﻫﺮﺗﺰ
(ﺍﺳﺘﺠﺎﺑﺔ ﺍﻟﺘﺮﺩﺩ )3± ﺩﻳﺴﻴﺒﻞ
ﺍﻟﺠﻬﺪ ﺍﻷﻗﺼﻰ ﻟﻠﺪﺧﻞ
ﻣﻌﺎﻭﻗﺔ ﺍﻟﺪﺧﻞ
5.78 ﻣﻴﺠﺎﻫﺮﺗﺰ — 0.801 ﻣﻴﺠﺎﻫﺮﺗﺰ )05 ﻛﻴﻠﻮ
(ﻫﺮﺗﺰ ﻟﻠﺨﻄﻮﺓ
( 2.8 )17.0 ﻣﻴﻜﺮﻭ ﻓﻮﻟﺖ/ 57 ﺍﻭﻡdBf
( 2.71 )0.2 ﻣﻴﻜﺮﻭ ﻓﻮﻟﺖ/ 57 ﺍﻭﻡdBf
03 ﻫﺮﺗﺰ — 51 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
46 ﺩﻳﺴﻴﺒﻞ
04 ﺩﻳﺴﻴﺒﻞ
— (: 135 ﻛﻴﻠﻮ ﻫﺮﺗﺰAM) 1 ﺍﻟﻤﻮﺟﺔ
206 1 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
()9 ﻛﻴﻠﻮ ﻫﺮﺗﺰ ﻟﻠﺨﻄﻮﺓ
— (: 049 2 ﻛﻴﻠﻮ ﻫﺮﺗﺰSW1) 2 ﺍﻟﻤﻮﺟﺔ
537 7 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
()5 ﻛﻴﻠﻮ ﻫﺮﺗﺰ ﻟﻠﺨﻄﻮﺓ
— (: 005 9 ﻛﻴﻠﻮ ﻫﺮﺗﺰSW2) 3 ﺍﻟﻤﻮﺟﺔ
/ 531 01 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
— 085 11 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
531 81 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
()5 ﻛﻴﻠﻮ ﻫﺮﺗﺰ ﻟﻠﺨﻄﻮﺓ
(92 ﻣﻴﻜﺮﻭ ﺩﻳﺴﻴﺒﻞ )2.82 ﻣﻴﻜﺮﻭ ﻓﻮﻟﺖ
(03 ﻣﻴﻜﺮﻭ ﺩﻳﺴﻴﺒﻞ )23 ﻣﻴﻜﺮﻭ ﻓﻮﻟﺖ
ﺍﻟﻤﻮﺍﺻﻔﺎﺕ
ﻧﻄﺎﻕ ﺍﻟﺘﺮﺩﺩ
ﺩﺭﺟﺔ ﺍﻟﺤﺴﺎﺳﻴﺔ ﺍﻟﻤﺴﺘﺨﺪﻣﺔ
( = 62 ﺩﻳﺴﻴﺒﻞS/N)
ﺗﻬﺪﺋﺔ ﺍﻟﺤﺴﺎﺳﻴﺔ
( = 64 ﺩﻳﺴﻴﺒﻞDIN S/N)
(ﺍﺳﺘﺠﺎﺑﺔ ﺍﻟﺘﺮﺩﺩ )3± ﺩﻳﺴﻴﺒﻞ
ﻧﺴﺒﺔ ﺍﻹﺷﺎﺭﺓ ﺇﻟﻰ ﺍﻟﻀﻮﺿﺎﺀ
()ﺃﺣﺎﺩﻱ
(ﻓﺼﻞ ﺍﻻﺳﺘﺮﻳﻮ )1 ﻛﻴﻠﻮ ﻫﺮﺗﺰ
ﻧﻄﺎﻕ ﺍﻟﺘﺮﺩﺩ
:AM
ﺩﺭﺟﺔ ﺍﻟﺤﺴﺎﺳﻴﺔ ﺍﻟﻤﺴﺘﺨﺪﻣﺔ
:SW
( = 02 ﺩﻳﺴﻴﺒﻞS/N)
FM
AM