HDMI is the most popular interface now. More information about HDMI you can find in our help section. This article describes the most populat HDMI 1.3 standard.
You can use HDMI 1.3 cables, HDMI 1.3 switchers, extenders or HDMI video devices. Before choose which standard to use for transferring your audio and video information or buying device with certain interface, we need to know what the HDMI 1.3 is. HDMI abbreviation means High Definition Multimedia Interface. HD devices use HDMI 1.3 interface for transmitting audio and video to your TV or display.
HDMI 1.3 revisions parameters:
Revision 1.0 – Transferring through one cable audio and video information with a bandwidth of 4.9 Gbits per second. Maximum transport speed is 165 Megapixels per second for the resolution of 1080p with 60Hz frequency. It also supports 8-channel sound with 24-bit output and 192 kHz.
Revision 1.1 – In this revision added DVD audio transfer.
Revision 1.2 – This revision supports 1 Bit Audio. Usually it used in some Audio CDs, it supports up to 8 channels. Color space support changed a little, HDMI 1.2 supports native RGB color space.
HDMI 1.3 revision supports 48, 36 and 30-bit xvYCC with Deep Color profile or more than 1,000,000 colors.
- Increased frequency and bandwidth up to 340Mhz and 10.2Gbits per second.
- Added output for Dolby True HD and DTS HD Master Audio. These features applied for some external decoders, receivers or other devices.
- Supports automatic synchronization (lip sync)
- And also important feature – added mini HDMI interface, specially designed for small devices like Smartphones, cameras etc.
- Updated CEC commands.
Why HDMI 1.3:
Of course, HDMI 1.3 provides better bandwidth and much better picture quality for your HD needs. HDMI 1.3 also compatible with all old revisions, so you can upgrade cables without extra equipment. You can also check our previous article about difference between HDMI and DVI interfaces. Also all modern devices from TVs to camcorders support this format.
HDMI 1.3 features:
New Data transmission speed
HDMI 1.3 supports bandwidth up to 10.2Gbit per second. In comparison with most common interfaces for video and audio transmitting such as USB, Fast Ethernet (FE) and old HDMI interfaces this speed dramatically increased. For example, USB 2.0 provides maximum speed of 480Mbit/s, Fast Ethernet supports up to 100 Mbit/s and previous HDMI 1.2 supports only 4.95Gbit per second.
This feature allows your devices synchronize signal with external devices. This HDMI 1.3 feature helps your HDMI devices to process correctly some complex operations with audio and video signals. For example, conversion formats from one to another, edges sharpening, motion smoothing, color correction and much more. All these operation must be synchronized with a source to help HDMI 1.3 receiver provide a quality picture with no artifacts.
Resolution and colors
HDMI 1.3 revision provides up to 16 bit per pixel color. In comparison with revision 1.2 (it supports 8 bit per pixel only) color field is more natural and really improves your video quality. Increasing data transferring speed allows getting a resolution more than ordinary 1920x1080 pixels.
HDMI 1.3 mini connector used for small devices. This feature is useful, if you want to connect your phone or laptop directly to TV set. You can enjoy all the features of HD video and audio without additional devices, such as PC or Video Converters. Also you may use HDMI adapter to connect your "HDMI mini" devices to standard HDMI port.