Audio problems may occur due to the poor connection between your PS4 and your display. To keep your PS4 works properly, you need to make sure that all your devices are connected properly. ... 1) Turn off your PS4 and your display. 2) Unplug your HDMI cable and power cable.
When you encounter PS4 no sound, you should consider about signal issues. You can fix it by switching input channel on your PS4 monitor and then switching back. For instance, if your PS4 is connected to the HDMI 1 port, you can switch the input channel to HDMI 2, and then switch it back to HDMI 1.
On the PS4 press and hold the Playstation button on the controller. Scroll down to Adjust Sound and Devices. Select Output to Headphones and change the setting to All Audio.
To mute or unmute your microphone, highlight your name and press the OPTIONS button. In-game chat is enabled. You cannot hear the audio from the party, and the party cannot hear your voice. To switch to party audio, select [Party Settings] > [Chat Audio].
When an external sound device is not connected to the computer, the sound settings revert to your computer's speakers and headphones. When the HDMI device is connected to the computer, the sound settings change to the HDMI device. Open sound settings to ensure the correct output device is selected.
HDMI cables can often cause a number of different problems. The most common problems are no picture, a fuzzy picture, a discolored picture, an intermittent picture, and poor screen resolution, or even no sound.