Know How

What is Toslink?
TOSLINK (abbreviation for Toshiba-LINK) is a system originally developed by Toshiba in 1983 for the digital transmission of audio signals. For the connection, Toslink uses an optical fiber made of plastic, which provides an optical connection. The digital sound signals...
HDMI 2.0 EDID data
You often come across the name in the context of HDMI EDID . But what is that actually? The idea behind EDID ( Extended Display Identification D ata) is a user-friendly plug & play concept: An HDMI device should output the best possible format...
Magic with the HDMI Repeater
Why use HDMI repeaters with longer cables? The picture and sound signal is transmitted uncompressed via the HDMI. The bandwidth requirement for such a digital video signal is of course immense and increases in proportion to the resolution and color...
Why do you need HDR with Ultra HD?
HDR offers more with Ultra HD - and makes higher demands The difference between the image resolutions Ultra-HD (4K, 2160p) and Full-HD (1080p) is hardly noticeable to many viewers with a normal sitting distance. But Ultra-HD offers another quality improvement:...
Why do you need aptX for Bluetooth audio transmissions?
Wireless signal transmission via Bluetooth is convenient. Music can be transmitted from a smartphone or television to wireless headphones, for example. The bandwidth of Bluetooth was originally very limited. Since the Bluetooth standard is backwards compatible, this must be taken...