Kev piav qhia
Lub module tuaj yeem tsim lub teeb liab hauv DVB-T hom (Digital Terrestrial TV) los ntawm HDMI cov tswv yim.
4 Channel HD QAM Modulator Nws yog MPEG-4 thiab MPEG-2 encoding, DVB-T modulation integrated ntaus ntawv los hloov HDMI teeb liab rau DVB-T RF tawm.
Lub module kho tus nqi compression rau qhov muaj bandwidth, siv themodulation DVB-T tsis.
Specification
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Qhov chaw ntawm Keeb Kwm: Guangdong, Suav |
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Tus Qauv Zauv: GDM-032 (GFTM-860QH) |
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Yam khoom |
TYPICAL |
QC LIMIT |
KEV TIV THAIV |
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1. Tshooj lus encoding |
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Video |
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Encoding |
H.264/MPEG-2 |
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HD: H.264 AVC/HP@L4.0 SD: MPEG-2/MP@ML |
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Tus nqi qis |
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256 QAM: 7.6Mbps |
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Average Encoding |
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256 QAM: 8Mbps |
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Kev daws teeb meem |
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HD 1080p (HDMI hauv) |
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Suab |
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Encoding |
MPEG2/AAC |
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Tus nqi piv txwv |
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48 KHz |
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Tus nqi qis |
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384kbps |
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2. Cov tswv yim |
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Video tswv yim |
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HDMI: 1080p 25/30, 1080i 50/60 Max |
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Input Connectors |
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3 XHDMI |
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3. QAM Modulator |
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Modulation Hom |
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ITU-T J83 Annex B |
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Cable Standard |
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STD |
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QAM |
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64 QAM, 256 QAM |
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MER |
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Ntau dua lossis sib npaug li 32dB |
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RF zaus |
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57 - 861MHz |
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RF tso zis theem |
100 dB µV |
100dBμV ± 5dBμV |
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RF Qib Adj |
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0dB ~ -36dB |
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Kauj ruam attenuation |
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2dB ib kauj ruam |
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4. Qhov System |
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Local Interface |
LCD + tswj cov nyees khawm |
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Kev tswj chaw taws teeb |
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Web Management |
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Ethernet chaw nres nkoj |
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RJ45, 100 M |
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5. General |
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Fais fab mov |
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AC tswv yim: 100V ~ 240V 50/60Hz |
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Kev ua haujlwm kub |
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0℃- 50 degree |
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txheeb ze humidity |
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20% ~ 80% |
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Qhov ntev |
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19" x 12.5" x 1.75" |
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Qhov hnyav |
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2.5 Kg |
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Tuam txhab Profile
Goodmind Electronics (Shenzhen) Co., Ltd. yog tsim nyob rau hauv 1992 nrog ib tug sau npe peev ntawm 18 lab US dollars. Nws tus kheej lub Hoobkas nyob hauv Shenzhen thiab muaj ntau tshaj 1000 tus neeg ua haujlwm. Nws yog lub tuam txhab ua haujlwm siab -tech enterprise integrating R&D, ntau lawm, muag thiab kev pabcuam, Lub tuam txhab tshwj xeeb hauv Kav hlau txais xov / Network Kev sib txuas lus / Bluetooth / AV Accessories / Smart Home / Car Accessories kev tsim lub tuam txhab. Lub Hoobkas yog vertically integrated. Lub Hoobkas muaj kev ua cov yas, hlau stamping, zinc tuag casting, SMT, DIP thiab Assembly center. Lub tuam txhab muaj lub zog nyiaj txiag muaj zog, pab pawg R&D kws tshaj lij, cov cuab yeej tsim khoom zoo tshaj plaws thiab kev tsim khoom lag luam, thiab mob siab rau tsim cov khoom zoo rau cov neeg siv khoom.
Dab tsi yog cov yam ntxwv tseem ceeb ntawm 4-channel HD QAM modulator?
Cov yam ntxwv tseem ceeb feem ntau suav nrog kev txhawb nqa rau ntau yam HD video inputs, QAM modulation, adjustable output zaus, RF tso zis theem hloov, web-raws li kev tswj interface, thiab compatibility nrog ntau yam cable qauv.
Dab tsi yog daim ntawv thov ntawm 4-channel HD QAM modulator?
Cov modulators no feem ntau yog siv rau hauv cable headends, kev lag luam tos txais qhua (chaw ntiav pw, chaw so), chaw kho mob, tsev kawm ntawv, thiab digital signage systems los faib siab -txhais video thiab audio ntsiab lus tshaj cov coaxial cable infrastructure.
4-channel HD QAM modulator ua haujlwm li cas?
Lub modulator siv ntau HD video thiab audio inputs, encodes lawv mus rau hauv MPEG thauj kwj, modulates lawv siv QAM, thiab muab lawv ua ke rau hauv ib tug tib RF channel rau tis tshaj lub cable network. Cov neeg txais kev txhawb nqa rau cov channel tshwj xeeb tuaj yeem txiav txim siab thiab tso saib cov ntsiab lus.
FAQ
Q: Hom kev tawm tswv yim twg yog 4-channel HD QAM modulator txhawb nqa?
A: Feem ntau, cov modulators no txhawb HDMI, SDI, tivthaiv, thiab cov yeeb yaj kiab sib xyaw, nrog rau cov suab analog lossis digital audio inputs. Qee cov qauv kuj tseem muaj cov IP (Ethernet) cov khoom siv rau kev tshaj tawm cov ntsiab lus video.
Q: Cov qauv cable twg tau txais kev txhawb nqa los ntawm 4-channel HD QAM modulator?
A: Feem ntau 4-channel HD QAM modulators txhawb nqa cov qauv sib txuas xws li DVB-C (Digital Video Broadcasting - Cable), ATSC (Advanced Television Systems Committee), thiab ISDB-T (Integrated Services Digital Broadcasting - Terrestrial).
Q: Koj yuav teeb tsa thiab tswj 4-channel HD QAM modulator li cas?
A: Kev teeb tsa thiab kev tswj hwm feem ntau yog ua los ntawm lub vev xaib -raws li kev sib txuas nkag tau los ntawm lub khoos phis tawj txuas nrog tib lub network raws li tus modulator. Los ntawm qhov kev sib tshuam no, cov neeg siv tuaj yeem kho cov channel tsis, teeb tsa kev teeb tsa, tswj cov khoom siv nkag, thiab saib xyuas qhov xwm txheej.
Q: Dab tsi yog qhov zoo ntawm kev siv 4-channel HD QAM modulator?
A: Cov txiaj ntsig zoo suav nrog kev muaj peev xwm faib ntau qhov HD raws li cov txheej txheem coaxial cable uas twb muaj lawm, tus nqi -kev ua tau zoo piv rau kev hloov kho rau IP-raws li kev faib tawm, kev sib raug zoo nrog ntau yam ntawm cov qauv cable, thiab yooj yim ntawm kev teeb tsa thiab kev tswj xyuas.
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