(self, frequency, q=1.0, db=-3.0)
return self
equalizer takes three parameters: filter center frequency in Hz, "q"
        or band-width (default=1.0), and a signed number for gain or
        attenuation in dB.

        Beware of clipping when using positive gain.
equalizer takes three parameters: filter center frequency in Hz, "q"
        or band-width (default=1.0), and a signed number for gain or
        attenuation in dB.
equalizer takes three parameters : filter center frequency in Hz q or band - width ( default = 1 . 0 ) and a signed number for gain or attenuation in dB .
def equalizer(self, frequency, q=1.0, db=-3.0):
        """equalizer takes three parameters: filter center frequency in Hz, "q"
        or band-width (default=1.0), and a signed number for gain or
        attenuation in dB.

        Beware of clipping when using positive gain.
        """
        self.command.append('equalizer')
        self.command.append(frequency)
        self.command.append(str(q) + 'q')
        self.command.append(db)
        return self
def equalizer ( self , frequency , q = 1.0 , db = - 3.0 ) : self . command . append ( 'equalizer' ) self . command . append ( frequency ) self . command . append ( str ( q ) + 'q' ) self . command . append ( db ) return self