1. analysernode api: frequencybincount

2. analysernode api: getbytefrequencydata

3. analysernode api: getfloatfrequencydata

4. biquadfilternode api: frequency

5. biquadfilternode api: getfrequencyresponse

6. iirfilternode api: getfrequencyresponse

7. oscillatornode api: frequency

8. svgfeturbulenceelement api: basefrequencyx

9. svgfeturbulenceelement api: basefrequencyy

10. svg element: feturbulence: basefrequency