Not all video cards which support PC audio over HDMI ship with HDMI outputs. The Nvidia cards require that an internal SDPIF connection be made between your PC's sound card or motherboard and the Nvidia video card. Simply install the card and the drivers and the audio works. The video cards which support PC audio over HDMI include ATI Radeon cards of the 3000 series or newer and Nvidia cards of the 9000 series or newer.

Recent video cards have taken advantage of this fact. As mentioned, HDMI is a combined standard for both audio and video. Surprisingly, the best way to transfer audio from a PC via HDMI is using your video card. So what do you need to use HDMI with your PC? Video Killed the Audio Card This greatly reduces the headache of connecting a PC to a home theater.

This means a chain of wires and adapters is required.īut now HDMI allows users to bundle audio and video and send it all through a single cable. Computers usually output audio through numerous connections, none of which are connections commonly used by home theater systems. Check the PC/laptop setting: If connected by VGA cable, please make sure the audio cable is connected to the AUDIO/LINE/HEADPHONE OUT port and plugged into the AUDIO/LINE IN of the monitor.Using a computer in a home theater system can be a pain when it comes to audio. Check and make sure the monitor is not muted or volume down. Please check monitor, PC/laptop and connection. The only thing to keep in mind is that the ARC-enabled port needs to be connected to your external audio device. This is dead simple any HDMI cable will work. While many TVs auto-detect devices with ARC capability, others require you to turn on the feature manually. Note: Most TVs only have one HDMI-ARC port. Check your TV’s HDMI ports and see if ARC is printed on any of these connectors. How do I know if my TV is HDMI-ARC (Audio Return Channel) capable? ARC- complaint HDMI ports are normally labeled with the letters “ARC” for easy identification. In the “Playback” tab, select “Digital Output Device” or “HDMI” as the default device, click “Set Default” and click “OK” to save the changes. Right-click the volume control icon on the bottom taskbar and click on “Playback Devices” to open the pop-up window for sound options.

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