The Broadcast channel distribution based on the existence of metadata (Dialog Level, Dynamic Range Control, Downmix) accompanying the audio signal. These metadata allow to homogenize the dissemination program levels so that their sequence and switching to other channels, with digital radio, the DVD player, blu ray to take place without discomfort to the individual, keeping the same level of return. These metadata can also adapt the dynamic (dynamic justified the great movies in theaters is less attentive to 5.1 home cinema) and good control of the stereo downmix and mono. Mixed program in post-production do not pose a difficulty encoding, but the live broadcasting of programs such as news, sports, and other direct, can be facilitated by tools for processing metadata.
Manufacturers are now developing processors, some of which also incorporate the upmix stereo products. They are compatible with most codecs Dolby E, Dolby D, Dolby D +, Dolby Pulse.
Are:
The DP600 Dolby
processing files, compatible with the plug-in Broadcast SoundCode Neyrinck, loudness control, compatible with Dolby E, Dolby Digital, Dolby Digital Plus, Dolby Pulse, PCM, MPG1L2
the DB4 and DB8 TC electronic
control of loudness, upmix upcone, dynamic processing, no encoding
Jünger the T * AP
dynamic processing 8 channels, measuring loudness, upmix 5.1, metadata processing, encoding and decoding Dolby D, D +, Dolby Pulse
Aero Air 5.1 Linear acoustic
control of loudness, upmix UPMAX, dynamic processing, compatible with Dolby D, Dolby Pulse
Aero Linear acoustic file
processing files, metadata processing, upmixing UPMAX, encoding and decoding Dolby E
Orban's Optimod 8685
control of loudness, dynamics processing, compatible 7.1, upmix Penteo
