Axis M30 Series - Privacy Mask Functionality; Overlay Options; Video Compression Formats

AXISM30NetworkCameraSeries
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Privacymasks
Aprivacymaskisauser-denedareathatpreventsusersfromviewingapartofthemonitoredarea.Inthevideostream,privacy
masksappearasblocksofsolidcolor.
You’llseetheprivacymaskonallsnapshots,recordedvideo,andlivestreams.
YoucanusetheVAPIX®applicationprogramminginterface(API)toturnofftheprivacymasks.
Important
Ifyouusemultipleprivacymasksitmayaffecttheproduct’sperformance.
Overlays
Overlaysaresuperimposedoverthevideostream.Theyareusedtoprovideextrainformationduringrecordings,suchasatimestamp,
orduringproductinstallationandconguration.Youcanaddeithertextoranimage.
Streamingandstorage
Videocompressionformats
Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesofyournetwork.The
availableoptionsare:
MotionJPEG
Note
ToensuresupportfortheOpusaudiocodec,theMotionJPEGstreamisalwayssentoverRTP.
MotionJPEG,orMJPEG,isadigitalvideosequencethatismadeupofaseriesofindividualJPEGimages.Theseimagesarethen
displayedandupdatedataratesufcienttocreateastreamthatshowsconstantlyupdatedmotion.Fortheviewertoperceivemotion
videotheratemustbeatleast16imageframespersecond.Fullmotionvideoisperceivedat30(NTSC)or25(PAL)framespersecond.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage
containedinthestream.
H.264orMPEG-4Part10/AVC
Note
H.264isalicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Toinstalladditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
H.264can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan80%comparedtotheMotion
JPEGformatandbyasmuchas50%comparedtoolderMPEGformats.Thismeansthatlessnetworkbandwidthandstoragespace
arerequiredforavideole.Orseenanotherway,highervideoqualitycanbeachievedforagivenbitrate.
H.265orMPEG-HPart2/HEVC
H.265can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan25%comparedtoH.264.
Note
•H.265islicensedtechnology.TheAxisproductincludesoneH.265viewingclientlicense.Installingadditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
•Mostwebbrowsersdon’tsupportH.265decodingandbecauseofthisthecameradoesn’tsupportitinitswebinterface.
InsteadyoucanuseavideomanagementsystemorapplicationsupportingH.265decoding.
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