Lines Matching refs:highpass
142 /* make sure highpass filter is within 90% of what the effective
143 * highpass frequency will be */
148 MSGF(gfc, "Warning: highpass filter disabled. " "highpass frequency too small\n");
204 * upperlimit: best highpass frequency limit for input filter in Hz
265 * When we sometimes have a good highpass filter, we can add the highpass
724 double highpass;
728 optimum_bandwidth(&lowpass, &highpass, gfp->brate);
732 optimum_bandwidth(&lowpass, &highpass, gfp->VBR_mean_bitrate_kbps);
1398 "Using polyphase highpass filter, transition band: %5.0f Hz - %5.0f Hz\n",