| brutefir | a software convolution engine | Mehr ... |
BruteFIR is a program for applying long FIR filters to multi-channel
digital audio, either offline or in realtime. Its basic operation is
specified through a configuration file, and filters, attenuation and
delay can be changed in runtime through a simple command line
interface. The FIR filter algorithm used is an optimised frequency
domain algorithm, partly implemented in hand-coded assembler, thus
throughput is extremely high. In realtime, a standard computer can
typically run more than 10 channels with more than 60000 filter taps
each.
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Through its highly modular design, things like adaptive filtering,
signal generators and sample I/O are easily added, extended and
modified, without the need to alter the program itself.
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