1. Check your receiver's specifications: Ensure that your receiver supports Dolby Digital surround sound. Most modern receivers support this format.
2. Connect your source device to the receiver: If your source device (e.g., a Blu-ray player or gaming console) has an HDMI output, connect it to one of the HDMI inputs on your receiver using an HDMI cable. If your device doesn't have an HDMI output, you can use a digital coaxial or optical audio cable to connect the device's digital audio output to the corresponding input on your receiver.
3. Set the audio input on your receiver: Use the receiver's remote control or the on-device controls to set the audio input to the one you connected your source device.
4. Enable Dolby Digital surround sound: Your receiver might have a dedicated button for enabling Dolby Digital processing, typically labeled "Dolby Digital" or "DD." Press this button to activate Dolby Digital surround sound.
5. Configure your speaker setup: Make sure that your speakers are properly connected to the receiver and that they're set to the correct configuration. Most receivers have an automatic speaker setup feature that will guide you through this process.
Once you've completed these steps, you should be able to enjoy Dolby Digital surround sound with your high-def receiver.