[ف ض ل]. (فعل: رباعي لازم، متعد بحرف). أفْضَلَ، يُفْضِلُ، مصدر إفْضَالٌ. Make use of a frequency analyzer (some EQs have designed-in analyzers) to establish the problematic frequency. Simply playback the recorded audio looping in excess of an vacant portion where you aren’t speaking/enjoying, and Notice the analyzer. Return to https://tonyn308spl2.wikitron.com/user