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DataPro's DisplayPort Guide and FAQ
https://www.datapro.net/techinfo/displayport_info.html#:~:text=DisplayPort%20audio%20depends%20on%20three%20things%3A%20An%20output,adapter%20if%20the%20display%20has%20an%20HDMI%20input.
DP Audio User Guide-1 - DisplayPort
https://www.displayport.org/wp-content/uploads/2011/10/DP-Audio-User-Guide-v1.pdf
Do#I#need#a#special#cable#to#use#DisplayPort#audio?# No.!!DisplayPort!audio!works!with!standard!cables.! What#is#the#difference#between#DisplayPort#audio#and#dual3mode?# DisplayPort!audio!is!“native”!audio!that!is!carried!with!the!DisplayPort!videosignal.Dual?mode!isaspecialoperating!
DataPro's DisplayPort Guide and FAQ
https://www.datapro.net/techinfo/displayport_info.html
DisplayPort audio depends on three things: An output device (PC, laptop, or video card) that supports DisplayPort audio or dual-mode with audio. A display capable of playing audio - such as a monitor with speakers or a television. A dual-mode adapter if the display has an HDMI input.
What is DisplayPort? | Full Guide to Features & Benefits
https://www.vssmonitoring.com/what-is-displayport/
What is DisplayPort Dual-mode (DP++)? DisplayPort Dual-mode (DP++) is a display interface that transmits HDMI or DVI protocol in a single link using a passive adapter. The passive adapter used allows for compatibility and helps boost the signal strength. Video Electronics Standards Association developed DisplayPort Dual-mode (DP++).
Amazon.com: dual-mode displayport
https://www.amazon.com/dual-mode-displayport/s?k=dual-mode+displayport
DisplayPort | Extron
https://www.extron.com/article/displayportad
Dual-mode capability is indicated by the DisplayPort logo and two plus signs on the DisplayPort connector. HDCP - High-bandwidth Digital Content Protection - A digital rights management scheme developed by Intel to prevent the copying of digital video and audio content.
DisplayPort Interoperability Guideline
https://glenwing.github.io/docs/VESA-DP-Dual-Mode-1.1.pdf
the DisplayPort connector of a Dual-mode Device to either a DVI or HDMI connector, and the discovery mechanism of the cable adaptor are defined in this document Furthermore, an implementation guideline of a cable adaptor with a built-in active protocol converter between
DisplayPort Marketing Guidelines v1 1 - VESA
https://www.vesa.org/wp-content/uploads/2013/06/DisplayPort-Marketing-Guidelines-v1_1.pdf
The Dual-Mode DisplayPort logo can only used for the following: ! To identify a Dual-Mode DisplayPort capable Source receptacle (for port-type identification), or a Dual-Mode DisplayPort cable adaptor plug (for plug-type identification) ! To identify a product as having Dual-Mode DisplayPort capability
optiplex 3020m displayport - Dell Community
https://www.dell.com/community/Optiplex-Desktops/optiplex-3020m-displayport/td-p/7440609
3020 M does not have Display port + + so there is no audio. Multi-mode or dual-mode DisplayPort is identified by a DP++ logo. The 3020 DOES NOT HAVE THIS. Report Unresolved Customer Service Issues. here. I do not work for Dell. I too am a user. The forum is primarily user to user, with Dell employees moderating.
audio - Does DisplayPort carry sound as HDMI ... - Super User
https://superuser.com/questions/229084/does-displayport-carry-sound-as-hdmi-does
Yes, the DisplayPort spec is an audio/video interconnect spec. It can carry both audio and video over a single connection. It is rare a laptop implements audio-out over a digital video interconnect. My MacBook Pros don't do it over their DisplayPort outputs. More recent MacBook models reportedly may support audio-over-DisplayPort.
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