3

Connecting an Audio Device - Audio Cable Types

RCA CABLE

OPTICAL/SPDIF CABLE

HDMI CABLE

AV cables (or Composite cables) are the

Optical/SPDIF cables transmit audio signals as

HDMI technology transmits crystal-clear digital

traditional way of connecting your devices to

pulses of light through a cable made of plastic

multi-channel surround audio through a single

your audio device. Audio signals are sent over

fibers. Audio signals are digitally transmitted

HDMI cable. Audio Return Channel-enabled

the red and white connectors.

between devices.

(ARC) TVs allow audio to be sent over an already

 

 

 

 

 

 

 

 

 

 

connected HDMI cable, eliminating the need

 

 

 

 

 

 

 

 

 

 

for a separate audio cable. See Connecting an

 

 

 

 

 

 

 

 

 

 

Audio Device - ARC on page 15.

Quality Stereo Connection

PCM Stream (Lossless)

ARC 2-way Communication

2.0 Channel

• Dolby Digital 5.1 Channel

 

(Auto setup)

PCM, Dolby Digital

Analog Connection

Digital Connection

2.0-5.1 Scaleable Lossless

Audio Signal Only

Audio Signal Only

 

Digital Audio Connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio and Video Signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L R

Optical/SPDIF

HDMI

GOOD

BETTER

BEST

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Vizio E420I-A0, E420IA0 user manual Connecting an Audio Device Audio Cable Types