wˌʌt ɪz ˌɪndᵻpˈɛndənt ʌv ðiːz tʃˈɔɪsᵻz ɪz ðɪ ˈænsɚ tə ðə fˈɑːloʊɪŋ kwˈɛstʃən: ɪz ðə ɡˈeɪn ˈiːkwəl tə wˈʌn ɔːɹ nˈɑːt?
What is independent of these choices is the answer to the following question: is the gain equal to 1 or not?