To ensure a high-quality film screening, an accurate calculation is required in compliance with modern regulatory documents DOLBY, THX, AESTD, etc. Execution of design taking into account the requirements guarantees pleasure and comfort when watching films.
Sports grounds and halls, fields and stadiums, swimming pools and skating rinks are objects with increased "noise", and in some cases, noise levels can reach very high levels. A set of measures is needed to reduce noise, increase sound insulation, and increase the intelligibility of informational speech messages. Sports grounds and halls, fields and stadiums, swimming pools and skating rinks are objects with increased "noise", and in some cases, noise levels can reach very high levels. A set of measures is needed to reduce noise, increase sound insulation, and increase the intelligibility of informational speech messages.