Ключевые слова: announcement, audio, background, broadcast, broadcasting, communication, concert, conference, dj, electronic, entertainment, equipment, instrument, isolated, karaoke, live, loud, media, mic, micro, microphone, mixer, music, perform, performance, podcast, pop, professional, radio, radio station, record, sing, singer, song, sound, speak, speaker, speech, stage, stand, stereo, studio, talk, technology, voice, volume, waveform,