4 Khse Buon (Chinary Ung) 4 Khz 4 KHz (-10 db) 4 KHz (L=R) @ -10 dB Reference 4 KHz L=R -10dB Reference 4 KHz Tone, Clipped 15-20 Seconds, Then All High Bits 4 khz, -10 Db 4 khz, -15 Db 4 kHz, -20dB 4 khz, -5 Db 4 khz, 0 Db
