Can optical cable be used for audio?
Both HDMI and optical pass digital audio from one device to another. Both are better than analog (the red and white cables). Both can pass multi-channel audio, like Dolby Digital.
Is an optical cable the same as an audio cable?
The audio signal stays in a digital format using either of these cables. The differences between the two connections are as follows: A Digital Optical connection uses a fiber optic cable. The digital audio bit stream is transmitted using pulses of light through this optical cable.
Are there different types of optical audio cables?
There is only one type of optical audio cable, TOSlink.