This point can be demonstrated by going back to the middle c violin tone 51 f critical listening skills for audio professionals talk tech middle c has a frequency of about 260 hz 20 overtones occur near 520 780 1040 and 1300 relative level db 10 hz and up. Critical listening skills for audio professionals author i 1 2 i 1 2 sinapsenusedusg 2020 08 04 11 43 06 subject i 1 2 i 1 2 critical listening skills for audio professionals keywords criticallisteningskillsforaudioprofessionals created date 8 4 2020 114306 am. Critical listening skills for audio professionals f alton everest teaches the important skills a music engineer and producer need the ability to discern audio frequencies distortions and other sounds written for those involved in professional audio recording . Now for the first time these indispensable training sessions are available with this release of critical listening skills for audio professionals through hundreds of illustrations and an accompanying disc containing high resolution mp3 files with nearly five hours of narration of the entire course you can acquire the audio discernment skills of a seasoned recording engineer by studying this course at your own pace in your own home