speech interference level

en-US/ˈspit͡ʃ ˌɪnɚˈfɪɹəns ˈlɛvəl/
en-GB/ˈspiːt͡ʃ ˌɪntəˈfɪəɹəns ˈlɛvl/

Катэгорыі:

unit of measurementloudness