YOU SAID:

The speaker's average pitch during the dipthong is 312.54Hz

INTO JAPANESE

dipthong中の話者の平均ピッチは312.54Hz

BACK INTO ENGLISH

The average pitch of speakers in dipthong is 312.54 Hz

INTO JAPANESE

dipthongのスピーカーの平均ピッチは312.54 Hzです

BACK INTO ENGLISH

The average pitch of dipthong speakers is 312.54 Hz

INTO JAPANESE

dipthongスピーカーの平均ピッチは312.54 Hzです

BACK INTO ENGLISH

The average pitch of dipthong speakers is 312.54 Hz