What is Hikvision AOC ( Audio Over Coax )

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iVMS-4200 iVMS-4200 iVMS-4200 iVMS-4200 2 way audio 2 way audio 2 way audio 2 way audio 2-Wire Intercom 2-Wire Intercom 2-Wire Intercom 2-Wire Intercom 2015 2015 2015 2015 2016 2016 2016 2016 24MP. UHD 24MP. UHD 24MP. UHD 24MP. UHD 3E 3E 3E 3E 3E series 3E series 3E series 3E series 4200 4200 4200 4200 4K 4K 4K 4K 4k Analog 4k Analog 4k Analog 4k Analog 4K Cameras 4K Cameras 4K Cameras 4K Cameras 4K NVR 4K NVR 4K NVR 4K NVR 4MP Firmware 4MP Firmware 4MP Firmware 4MP Firmware 6.1 7.1 7.1 7.1 7.1 A.I. A.I. A.I. A.I. access conrol Access Control Access Control Access Control Access Control Acquire Acquire Acquire Acquire Add Add Add Add ai ai ai ai analog analog analog analog analog video door analog video door analog video door analog video door Analogue HD Analogue HD Analogue HD Analogue HD analytics analytics analytics analytics and 4 VCA events: Sudden Scene Change and 4 VCA events: Sudden Scene Change and 4 VCA events: Sudden Scene Change and 4 VCA events: Sudden Scene Change and all VCA events ; ii. Newly support sending email with alarm pictures when the VCA events are triggered for IP channels. The picture is captured by DVR itself and all VCA events ; ii. Newly support sending email with alarm pictures when the VCA events are triggered for IP channels. The picture is captured by DVR itself and all VCA events ; ii. Newly support sending email with alarm pictures when the VCA events are triggered for IP channels. The picture is captured by DVR itself and all VCA events ; ii. Newly support sending email with alarm pictures when the VCA events are triggered for IP channels. The picture is captured by DVR itself Android app Android app Android app Android app anpr anpr anpr anpr App App App App ASP7203-IP Audio Exception Detection Audio Exception Detection Audio Exception Detection Audio Exception Detection AX-Series AX-Series AX-Series AX-Series Baseline Baseline Baseline Baseline Baseline Firmware Baseline Firmware Baseline Firmware Baseline Firmware Batch Configuration Tool Batch Configuration Tool Batch Configuration Tool Batch Configuration Tool Bracket Bracket Bracket Bracket camera firmware camera firmware camera firmware camera firmware camera with audio camera with audio camera with audio camera with audio canswitch canswitch canswitch canswitch car park speaker Catalog Catalog Catalog Catalog CCTV CCTV CCTV CCTV CCTV design software CCTV design software CCTV design software CCTV design software Cloud Cloud Cloud Cloud codes codes codes codes Connect Connect Connect Connect console D5T D5T D5T D5T darkfighter PTZ darkfighter PTZ darkfighter PTZ darkfighter PTZ darkfighterx darkfighterx darkfighterx darkfighterx darkfighterx PTZ darkfighterx PTZ darkfighterx PTZ darkfighterx PTZ DDNS DDNS DDNS DDNS Design Tool Design Tool Design Tool Design Tool DS-2CD2326G1-I/SL DS-2CD2326G1-I/SL DS-2CD2326G1-I/SL DS-2CD2326G1-I/SL DS-2CD2346G1-I/SL DS-2CD2346G1-I/SL DS-2CD2346G1-I/SL DS-2CD2346G1-I/SL DS-2CD2T26G1-4I/SL DS-2CD2T26G1-4I/SL DS-2CD2T26G1-4I/SL DS-2CD2T26G1-4I/SL DS-2CD2T46G1-4I/SL DS-2CD2T46G1-4I/SL DS-2CD2T46G1-4I/SL DS-2CD2T46G1-4I/SL DS-KAD709 DS-KAD709 DS-KAD709 DS-KAD709 DS-KV8103-IME2 DS-KV8103-IME2 DS-KV8103-IME2 DS-KV8103-IME2 DVR code DVR code DVR code DVR code DVR Firmware DVR Firmware DVR Firmware DVR Firmware DVR v4 GUI DVR v4 GUI DVR v4 GUI DVR v4 GUI Dynamic DNS Dynamic DNS Dynamic DNS Dynamic DNS DynDNS DynDNS DynDNS DynDNS DynDNS Pro DynDNS Pro DynDNS Pro DynDNS Pro easy IP easy IP easy IP easy IP Easy IP 3 Easy IP 3 Easy IP 3 Easy IP 3 Easy IP 3.0 Easy IP 3.0 Easy IP 3.0 Easy IP 3.0 EasyIP EasyIP EasyIP EasyIP easyIP 3.0 easyIP 3.0 easyIP 3.0 easyIP 3.0 easyIP v3 easyIP v3 easyIP v3 easyIP v3 External speaker Ezviz Ezviz Ezviz Ezviz firmware firmware firmware firmware firmware update firmware update firmware update firmware update Firmware. Update Firmware. Update Firmware. Update Firmware. Update guide guide guide guide H.265/HEVC H.265/HEVC H.265/HEVC H.265/HEVC H.265+ H.265+ H.265+ H.265+ H265 H265 H265 H265 hard drive hard drive hard drive hard drive HD HD HD HD HiDDNS HiDDNS HiDDNS HiDDNS Highwire Highwire Highwire Highwire hik-central hik-central hik-central hik-central Hik-connect Hik-connect Hik-connect Hik-connect hik-connect features hik-connect release Hik-connect v3.4.2 Hik-connect v3.4.2 Hik-connect v3.4.2 Hik-connect v3.4.2 Hik-online Hik-online Hik-online Hik-online Hikvision Hikvision hikvision Hikvision hikvision alarm hikvision alarm hikvision alarm hikvision alarm hikvision audio hikvision audio hikvision audio hikvision audio Hikvision design tool Hikvision design tool Hikvision design tool Hikvision design tool hikvision intercom hikvision intercom hikvision intercom hikvision intercom hikvision intrusion hikvision intrusion hikvision intrusion hikvision intrusion Hikvision iVMS Hikvision iVMS Hikvision iVMS Hikvision iVMS Hikvision POE Switch Hikvision POE Switch Hikvision POE Switch Hikvision POE Switch Hikvision ports Hikvision ports Hikvision ports Hikvision ports Hikvision SADP Hikvision SADP Hikvision SADP Hikvision SADP hikvision software hikvision software hikvision software Hk connect Hk connect Hk connect Hk connect icatcher Integration Integration Integration Integration intercom intercom intercom intercom Intrusion Detection ; b. IP channel: 4 Basic Events (IO Alarm Intrusion Detection ; b. IP channel: 4 Basic Events (IO Alarm Intrusion Detection ; b. IP channel: 4 Basic Events (IO Alarm Intrusion Detection ; b. IP channel: 4 Basic Events (IO Alarm ios app ios app ios app ios app IP Address IP Address IP Address IP Address IP Camera IP Camera ip camera IP Camera ip speaker IP v3.0 IP v3.0 IP v3.0 IP v3.0 IPC IPC ipc IPC IPC codes IPC codes IPC codes IPC codes iVMS iVMS iVMS iVMS iVMS-4200 iVMS-4200 iVMS-4200 ivms-4200 iVMS-4200 V3.1 iVMS-4200 V3.1 iVMS-4200 V3.1 iVMS-4200 V3.1 ivms4200 kit kit kit kit Latest Latest Latest Latest Latest Hik-connect Latest Hik-connect Latest Hik-connect Latest Hik-connect LPR LPR LPR LPR Mobile Mobile Mobile Mobile Motion Detection) Motion Detection) Motion Detection) Motion Detection) Myriad 2 Myriad 2 Myriad 2 Myriad 2 naming rules naming rules naming rules naming rules Net2 Net2 Net2 Net2 Netgenium network speaker Neural Networks Neural Networks Neural Networks Neural Networks New New New New New Hik-connecct New Hik-connecct New Hik-connecct New Hik-connecct news news news news NOIP NOIP NOIP NOIP NVR code NVR code NVR code NVR code NVR Firmware NVR Firmware NVR Firmware NVR Firmware NVR Firmwrae NVR Firmwrae NVR Firmwrae NVR Firmwrae Outreach Outreach Outreach Outreach Outsource Outsource Outsource Outsource P2P P2P P2P P2P partner partner partner partner password Paxton Paxton Paxton Paxton Pinpoint Pinpoint Pinpoint Pinpoint PIR camera PIR camera PIR camera PIR camera POE POE POE POE poe speaker PoE Speaker. PoE Horn speaker poe switch poe switch poe switch poe switch Point of sale Point of sale Point of sale Point of sale Pointsource Pointsource Pointsource Pointsource Pom Chen Pom Chen Pom Chen Pom Chen port forward port forward port forward port forward product codes product codes product codes product codes PTZ code PTZ code PTZ code PTZ code PTZ Firmware PTZ Firmware PTZ Firmware PTZ Firmware PTZ Firmware Update PTZ Firmware Update PTZ Firmware Update PTZ Firmware Update purple purple purple purple Pyronix Pyronix Pyronix Pyronix sadp sadp sadp sadp SADP New SADP New SADP New SADP New seamless seamless seamless seamless Slaughterhouse cctv Slaughterhouse cctv Slaughterhouse cctv Slaughterhouse cctv so it may cause the delay. iii. Newly support ISAPI alarm notification for 3rd party integration: /ISAPI/event/notification/alertStream. iv. Support zoom control between DS-1005K USB keyboard and Turbo DVRs so it may cause the delay. iii. Newly support ISAPI alarm notification for 3rd party integration: /ISAPI/event/notification/alertStream. iv. Support zoom control between DS-1005K USB keyboard and Turbo DVRs so it may cause the delay. iii. Newly support ISAPI alarm notification for 3rd party integration: /ISAPI/event/notification/alertStream. iv. Support zoom control between DS-1005K USB keyboard and Turbo DVRs so it may cause the delay. iii. Newly support ISAPI alarm notification for 3rd party integration: /ISAPI/event/notification/alertStream. iv. Support zoom control between DS-1005K USB keyboard and Turbo DVRs start audio start audio start audio start audio station station station station Storage Calculator Storage Calculator Storage Calculator Storage Calculator supplier supplier supplier supplier surveillance surveillance surveillance surveillance Switch Switch Switch Switch Turbo Turbo Turbo Turbo Turbo 4 Turbo 4 Turbo 4 Turbo 4 Turbo HD Turbo HD Turbo HD Turbo HD Turbo HD 3.0 Turbo HD 3.0 Turbo HD 3.0 Turbo HD 3.0 Turbo HD 4.0 Turbo HD 4.0 Turbo HD 4.0 Turbo HD 4.0 Turbo HDFirmware Updates New Features i. Newly support more events alarm notification to ivms-4500 (also need the new version of ivms-4500 to be released); a. Analog channel : 4 basic events (IO Alarm Turbo HDFirmware Updates New Features i. Newly support more events alarm notification to ivms-4500 (also need the new version of ivms-4500 to be released); a. Analog channel : 4 basic events (IO Alarm Turbo HDFirmware Updates New Features i. Newly support more events alarm notification to ivms-4500 (also need the new version of ivms-4500 to be released); a. Analog channel : 4 basic events (IO Alarm Turbo HDFirmware Updates New Features i. Newly support more events alarm notification to ivms-4500 (also need the new version of ivms-4500 to be released); a. Analog channel : 4 basic events (IO Alarm TVI TVI TVI TVI two Way audio two Way audio two Way audio two Way audio update update update update update Firmware update Firmware update Firmware update Firmware USEIP USEIP USEIP USEIP V1.4.70 V1.4.70 V1.4.70 V1.4.70 V2 V2 V2 V2 v2.0.6 v2.0.6 v2.0.6 v2.0.6 v2.3 v2.4.0.4 v2.4.0.4 v2.4.0.4 v2.4.0.4 V2.4.1.3 V2.4.1.3 V2.4.1.3 V2.4.1.3 v2.5.1.7 v2.5.1.7 v2.5.1.7 v2.5.1.7 V2.6.0.3 V2.6.0.3 V2.6.0.3 V2.6.0.3 V2.6.1.6 V2.6.1.6 V2.6.1.6 V2.6.1.6 V3 V3 V3 V3 V3.0.0.10 V3.0.0.10 V3.0.0.10 V3.0.0.10 v3.1.9 v3.1.9 v3.1.9 v3.1.9 V3.3.1 V3.4.2 V3.4.2 V3.4.2 V3.4.2 V3.4.8 V3.4.8 V3.4.8 V3.4.8 V3.4.80 V3.4.80 V3.4.80 V3.4.80 V3.4.82 V3.4.82 V3.4.82 V3.4.82 v3.4.9 v3.4.9 v3.4.9 v3.4.9 v4 v4 v4 v4 V4 Firmware V4 Firmware V4 Firmware V4 Firmware V4.10 V4.10 V4.10 V4.10 V4.2 V4.2 V4.2 V4.2 V5.3 v5.3.3 V5.3.8 V5.3.8 V5.3.8 V5.3.8 V5.4.5 V5.4.5 V5.4.5 V5.4.5 video door video door video door video door video door phone video door phone video door phone video door phone Video Intercom Video Intercom Video Intercom Video Intercom Video Loss Video Loss Video Loss Video Loss Video Tampering Video Tampering Video Tampering Video Tampering VMS VMS VMS VMS WD Firmware WD Firmware WD Firmware WD Firmware Web Portal Web Portal Web Portal Web Portal while only pan and tilt supported on version 3.3.1; v. Increase noise reduction and improve the image quality under long distance transmission. vi. Fix the issue that DVR can't acquire DNS address successfully under DHCP when the preferred DNS is while only pan and tilt supported on version 3.3.1; v. Increase noise reduction and improve the image quality under long distance transmission. vi. Fix the issue that DVR can't acquire DNS address successfully under DHCP when the preferred DNS is while only pan and tilt supported on version 3.3.1; v. Increase noise reduction and improve the image quality under long distance transmission. vi. Fix the issue that DVR can't acquire DNS address successfully under DHCP when the preferred DNS is while only pan and tilt supported on version 3.3.1; v. Increase noise reduction and improve the image quality under long distance transmission. vi. Fix the issue that DVR can't acquire DNS address successfully under DHCP when the preferred DNS is Whitepaper Whitepaper Whitepaper Whitepaper 4k 4k 4k 4k activation AcuSense AcuSense AcuSense AcuSense ANPR ANPR ANPR ANPR axhub axhub axhub axhub cctv abbattoirs cctv abbattoirs cctv abbattoirs cctv abbattoirs D1T D1T D1T D1T darkfighter darkfighter darkfighter darkfighter DDNS DDNS DDNS DDNS DS-KIS701 DS-KIS701 DS-KIS701 DS-KIS701 DVR Firmware DVR Firmware DVR Firmware DVR Firmware DVR Firmwrae DVR Firmwrae DVR Firmwrae DVR Firmwrae Firmware H.264+ H.264+ H.264+ H.264+ H.265 H.265 H.265 H.265 H.265. H.265+ H.265. H.265+ H.265. H.265+ H.265. H.265+ Hik Connect Hik Connect Hik Connect Hik Connect hik-connect. hik-connect v3.5 Hikvision Hikvision Hikvision Hikvision hikvision alarms hikvision alarms hikvision alarms hikvision alarms Hikvision Firmware Hikvision Firmware hikvision Firmware Hikvision Firmware Hikvision Intercom Hikvision Intercom Hikvision Intercom Hikvision Intercom Hikvision Lens Selection Hikvision Lens Selection Hikvision Lens Selection Hikvision Lens Selection Hikvision NVR Hikvision NVR Hikvision NVR Hikvision NVR Hikvision NVR Fimware Hikvision NVR Fimware Hikvision NVR Fimware Hikvision NVR Fimware Hikvision PIR Hikvision PIR Hikvision PIR Hikvision PIR Hikvision tools Hikvision tools Hikvision tools Hikvision tools Hikvision views Hikvision views Hikvision views Hikvision views Hikvision; Hik Hikvision; Hik Hikvision; Hik Hikvision; Hik Hilk-connect Hilk-connect Hilk-connect Hilk-connect icode IPC IPC IPC IPC ivms ivms ivms ivms iVMS-4200 iVMS-4200 iVMS-4200 iVMS-4200 AC iVMS-4200 AC iVMS-4200 AC iVMS-4200 AC iVMS-4500 iVMS-4500 iVMS-4500 iVMS-4500 jsvg jsvg jsvg jsvg Line Crossing Detection Line Crossing Detection Line Crossing Detection Line Crossing Detection Mini PTZ Firmware Mini PTZ Firmware Mini PTZ Firmware Mini PTZ Firmware movidius movidius movidius movidius netgenium Network Speaker no resource no resource no resource no resource nvr firmware nvr firmware nvr firmware nvr firmware NVR vs PC NVR vs PC NVR vs PC NVR vs PC onvif onvif onvif onvif Paxton Paxton Paxton Paxton port forwarding port forwarding port forwarding port forwarding POS POS POS POS remote access remote access remote access remote access SADP SADP SADP SADP setup audio setup audio setup audio setup audio synology synology synology synology Turbo Turbo Turbo Turbo Turbo HD Turbo HD Turbo HD Turbo HD Veracity Veracity Veracity Veracity VMS-4500 VMS-4500 VMS-4500 VMS-4500 wd wd wd wd Hikvision Tools Firmware Hikvision Firmware Hik-Connect Hikvision App Hikvision Naming Rules Hikvision Codes axpro ax pro hikvision alarm ColorVu ColorVu warranty Hik-ePartner AX Pro AX PRO LiveGuard LiveGuard Aoc audio over coax POC power over coax Hikvision POC Hybrid Cameras Hikvision Hybrid