Fast fixed filter bank The fffb~ object implements a bank of bandpass filter objects, each of which is similar to the reson~ filter object. An input signal is applied to all filters, and the outputs of each filter are available separately. Cycling '74 MSP MSP Filters signal input, lists for setting parameters TEXT_HERE signal input, lists for setting parameters TEXT_HERE signal output from filter 0 TEXT_HERE Number of filters The first argument specifies the number of filters. Frequency of the first filter Three additional float arguments may be used to specify the frequency of the first filter, the ratio of frequencies between successive filters, and the Q factor for all of the filters. TEXT_HERE Following the initial first filter frequency, a list is used to specify the ratio of frequencies between successive filters. Q factor for all filters Following the initial first filter frequency and frequency ratio arguments, a third argument specifies the Q applied to all filters. Harmonic series flag If you use the letter H as the second argument rather than a float, the filters will be tuned to a harmonic series rather using frequency ratios. Set values for a specified filter A filter index followed by just a frequency or a frequency and a Q setting will set the particular filter addressed by the index number to the settings which follow it. Set values for a specified filter A filter index followed by just a frequency or a frequency and a Q setting will set the particular filter addressed by the index number to the settings which follow it. Set the Q values to be applied to each filter In left inlet: The symbol Q, followed by a list consisting of an int and one or more floats, sets the Q factors of the filters, starting with the filter whose index is given by the first number. This filter's Q factor is set to the second number in the list. Any following numbers in the list set the Q factors of filters following the first designated one. Indices are zero-based. Set the Q of all filters to a value In left inlet: The word QAll, followed by a float, sets the Q of all of the filters to the given floating-point value. Clear the memory of previous inputs/outputs Clears the fffb~ object's memory of previous inputs and outputs. Set the center frequency for each filter In left inlet: The word freq, followed by a list consisting of an int and one or more floats, sets the center frequencies of the filters starting with the filter whose index is given by the first number. This filter's frequency is set to the second number in the list. Any following numbers in the list set the frequencies of filters following the first designated one. Indices are zero-based.

For example, the message freq 3 1974.0 333.0 1234.0 sets the frequency of the fourth filter to 1974Hz, the fifth filter to 333Hz, and the sixth filter to 1234Hz. Set the gain values to be applied to each filter In left inlet: The word gain, followed by a list consisting of an int and one or more floats, sets the gains of the filters starting with the filter whose index is given by the first number. This filter's gain is set to the second number in the list. Any following numbers in the list set the gains of filters following the first designated one. Indices are zero-based. Set the center frequency of all filters to a value in left inlet: The word freqAll, followed by a float, sets the center frequencies of all of the filters to the given floating-point value. Set the center frequencies of filters as ratios In left inlet: The word freqRatio, followed by a list of two or more numbers sets the center frequency of the first filter to the first value in the list, and sets the frequencies of the remaining filters by repeatedly multiplying the first value by the second, so that the ratio of frequencies of successive filters is the second value. For example, the message freqRatio 440. 2. sets the frequency of the first filter to 440Hz, the frequency of the second to 880Hz, the frequency of the third to 1760Hz, and so on.

If the second item in the list is the letter H rather than a number, the filters will be tuned in a harmonic series. For example, the message freqRatio 100 H sets the frequencies of the filters to 100Hz, 200Hz, 300Hz, 400Hz, and so on. Set the gain of all filters to a value In left inlet: The word gainAll, followed by a float, sets the gain of all of the filters to the given floating-point value. Input signal sent to all filters The signal present at the left inlet is sent to all of the filters. This object is more efficient than using a number of reson~ objects, but for the sake of speed does not accept signals for parameter changes. The output of each filter is provided at a separate outlet. The leftmost outlet is the output of the first filter.