Our video signal is produced in high definition and encoded to H.264 video format. Audio is always in 48 kHz/24 bit in stereo AAC. We transmit the concerts of the Digital Concert Hall with a method that automatically adapts to the available bandwidth of your Internet connection. Following quality levels are used:

Description	Video bit rate	Video resolution	Audio bit rate
Very Low	444 Kbit/s	640x360	256 Kbit/s
Low	844 Kbit/s	960x540	256 Kbit/s
Medium	1244 Kbit/s	960x540	256 Kbit/s
High	1844 Kbit/s	1280x720	256 Kbit/s
Very high	2244 Kbit/s	1280x720	256 Kbit/s
Highest (only archive concerts)	3280 Kbit/s	1920x1080	320 Kbit/s

Since the 2017/2018 season, our archive concerts have also been available in 4K UHD quality. Currently, these concerts are supported on the following devices: Concerts in 4K UHD