DTS is also completely backwards compatible, but in a way that allows legacy AV receivers and other products to play back DTS-HD Master Audio files at up to 1.5 Mbps with up to 7.1 discrete channels at 96 kHz or 5.1 channels at 192 kHz.
Smog usually is produced through a complex set of photochemical reactions involving volatile organic compounds (VOC's) and nitrogen oxides in the presence of sunlight that result in the production of ozone.
1 Particulates created from gaseous primary pollutants and compounds in photochemical smog. 2  Smog is a kind of air pollution. 3  Classic smog results from large amounts of coal burning in an area caused by a mixture of smoke and sulfur dioxide.