How do I connect audio to my cable box?

Plug an HDMI cable into the HDMI output on the cable box. Plug the other end into an HDMI input on your HDTV. Inspect your television auxiliary sound output and your surround sound stereo auxiliary input to determine if they both have RCA ports or HDMI ports.

What cable do I need to connect my TV to surround sound?

Connect a Coaxial Digital Cable, Optical Digital Cable, or Audio cable to the Audio Output jack on your TV. Connect the other end of the cable to the corresponding jacks on the A/V receiver or home theater system. Depending on your device, the audio input may be labeled TV INPUT or VIDEO INPUT.

What kind of RCA connection does Comcast use?

It is the top-of-the-line for analog connections. If you want sound to travel from one source to your stereo, this is the simplest way to do it. The standard red and white RCA connection separates the left audio (white) and the right audio (red) for stereo recordings.

What kind of cable do I need to connect my Comcast box to my TV?

Confirm that you have the correct cables. If your TV is an HDTV, you can use an HDMI cable to connect your Comcast box to your TV; if not, you’ll need standard A/V cables (the red, yellow, and white cables) to connect the box to your TV.

How to get audio out of a Comcast cable box?

You can use an HDMI audio extraction device or input selector to provide an audio output. you’d have to pass the hdmi through your home audio set-up and then from there to the tv to be able to strip out the audio for home theater. i assume this is why you want to do this.

Where is the HDMI port on a Comcast box?

On most Comcast cable boxes, the HDMI port is either in the bottom-right corner of the box or at the bottom of the box’s back. X Research source If you’re using A/V cables instead, plug each cable into the same-colored port on the back of the box (e.g., plug the yellow cable into the yellow input).