фильтра

Said in one Russian podcast line.

• они призваны решить задачу вот какого-то первичного фильтра, да.

  They are called to solve the problem of some kind of primary filter, yes.

  

  Записки на досуге (Япония)Беседы о Японии (разговорный выпуск)

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).