Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use a parametric equalizer [title] Use the hi-pass and low-pass filter. [substeps] On many software programs, there is a high-pass and a low-pass function. The high-pass button will generally cut any frequencies below 100hz and sometimes 80hz.

Ending1: The lower-pass will cut 100% of the frequencies below 100hz to 120hz. [title] Look up the apps you are using before purchasing. Ending2: Low-pass filters break down any frequencies you are unable to read or understand. Low-pass filters reduce the brightness level, and effectively increase zoom. Ending3: The low-pass button will generally cut any frequencies above around 10khz. Many live mixing boards have a high-pass button which serves the same purpose as the software version. Ending4: For ios installations, the low-pass functions are mixed. - it automatically recognizes frequencies between 100hz and 90hz.

Answer format: ending1/ending2/ending3/ending4