noun
sexual moans; screams during sex
Refers specifically to vocalizations made during sexual activity. Often used in adult or erotic contexts.
隣の部屋から淫声が聞こえてきた。
I could hear sexual moans coming from the next room.
noun
bawdy song; lewd song
Describes songs with vulgar or sexually explicit lyrics. A somewhat literary or formal term; in casual speech, エロい歌 or 下品な歌 is more common.
彼は酒場で淫声を歌って場を盛り上げた。
He livened up the bar by singing a bawdy song.