those are called microphones
those are called microphones .
ð oʊ z WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY k ɔː l d WORD_BOUNDARY m aɪ k ɹ ə f oʊ n z WORD_BOUNDARY
t h o s e WORD_BOUNDARY a r e WORD_BOUNDARY c a l l e d WORD_BOUNDARY m i c r o p h o n e s WORD_BOUNDARY