| supported filter length is 200 points. | supported filter length is 200 points. | ||||
| </p> | </p> | ||||
| <p>The free | <p>The free | ||||
| <a href="http://t-filter.appspot.com/fir/index.html" target="_blank"> TFilter Design Tool</a> | |||||
| <a href="http://t-filter.engineerjs.com/" target="_blank"> TFilter Design Tool</a> | |||||
| can be used to create the impulse response array. Be sure to set the sampling | can be used to create the impulse response array. Be sure to set the sampling | ||||
| frequency to 44117 HZ (it defaults to only 2000 Hz) and the output type to "int" (16 bit). | frequency to 44117 HZ (it defaults to only 2000 Hz) and the output type to "int" (16 bit). | ||||
| </p> | </p> |