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HDMI - 1 General Info - FAQ


High Definition Multimedia Interface

Description of HDMI:

HDMI (High-Definition Multimedia Interface) is an interface standard used for audiovisual equipment such as high-definition television and home theater systems. With 19 wires wrapped in a single cable that resembles a USB wire, HDMI is able to carry a bandwidth of 5 Gbps (gigabits per second). This is more than twice the bandwidth needed to transmit multi-channel audio and video, future-proofing HDMI for some time to come.


  • HDMI does not provide a connection for headphones.

Why is there no such thing as an "HDMI Headphone"?
HDMI was designed to connect hi-tech, high-definition, digital, audio-video components in a home entertainment system. Apparently, headphones and headsets, being analog devices, were not included in the HDMI design scheme. That means there really is no such thing as an "HDMI Headset." Headsets connect to analog line level outputs with very low output impedance (lower than 2 ohms).

Our surround sound headphones use Toslink digital connections from the player, but this is another format that was not included in the HDMI spec. HDMI was designed for discrete, multichannel, Linear PCM digital audio soundtracks, while Toslink S/PDIF was designed for the two-channel digital audio transmission used for Dolby Digital, which our PX5, X41 and DSS products use.

A "USB Headset" cannot connect directly to an HDMI port. USB headsets are designed for PC or Mac use only. The USB portion of the headset is actually a small USB sound card (much like our Amigo II) which receives the digital audio data through the PC/Mac USB port, converts the data to analog audio, and plays the audio in the headphones. You can use a USB headset to play PSN Chat, but it will not play the game soundtrack from a PS3 or Xbox, so is not a substitute for Turtle Beach gaming headsets for PS3 or Xbox. 

If you need to know how to connect your Turtle Beach X-headset to the Xbox 360 using HDMI click here 

Here's a more in-depth explanation of the Xbox 360 HDMI Cable and how it works: http://support.microsoft.com/kb/937899?sd=xbox

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Also read
document Xbox 360 HDMI - Connecting Headsets for Game Audio

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