9fee0ec4ca
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7101 a1c6a512-1295-4272-9138-f99709370657
187 lines
7.6 KiB
Java
187 lines
7.6 KiB
Java
/* JOrbis
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* Copyright (C) 2000 ymnk, JCraft,Inc.
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*
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* Written by: 2000 ymnk<ymnk@jcraft.com>
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*
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* Many thanks to
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* Monty <monty@xiph.org> and
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* The XIPHOPHORUS Company http://www.xiph.org/ .
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* JOrbis has been based on their awesome works, Vorbis codec.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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package com.jcraft.jorbis;
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class PsyLook {
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int n;
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PsyInfo vi;
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float[][][] tonecurves;
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float[][] peakatt;
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float[][][] noisecurves;
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float[] ath;
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int[] octave;
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void init(PsyInfo vi, int n, int rate){
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/*
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float rate2=rate/2.;
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//memset(p,0,sizeof(vorbis_look_psy));
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ath=new float[n];
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octave=new int[n];
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this.vi=vi;
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this.n=n;
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// set up the lookups for a given blocksize and sample rate
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// Vorbis max sample rate is limited by 26 Bark (54kHz)
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set_curve(ATH_Bark_dB, ath,n,rate);
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for(int i=0;i<n;i++)
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ath[i]=fromdB(ath[i]+vi.ath_att);
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for(int i=0;i<n;i++){
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int oc=rint(toOC((i+.5)*rate2/n)*2.);
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if(oc<0)oc=0;
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if(oc>12)oc=12;
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octave[i]=oc;
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}
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tonecurves=malloc(13*sizeof(float **));
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noisecurves=malloc(13*sizeof(float **));
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peakatt=malloc(7*sizeof(float *));
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for(int i=0;i<13;i++){
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tonecurves[i]=malloc(9*sizeof(float *));
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noisecurves[i]=malloc(9*sizeof(float *));
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}
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for(i=0;i<7;i++)
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peakatt[i]=malloc(5*sizeof(float));
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for(i=0;i<13;i++){
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for(j=0;j<9;j++){
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tonecurves[i][j]=malloc(EHMER_MAX*sizeof(float));
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noisecurves[i][j]=malloc(EHMER_MAX*sizeof(float));
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}
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}
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// OK, yeah, this was a silly way to do it
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memcpy(tonecurves[0][2],tone_125_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[0][4],tone_125_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[0][6],tone_125_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[0][8],tone_125_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[2][2],tone_250_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[2][4],tone_250_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[2][6],tone_250_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[2][8],tone_250_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[4][2],tone_500_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[4][4],tone_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[4][6],tone_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[4][8],tone_500_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[6][2],tone_1000_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[6][4],tone_1000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[6][6],tone_1000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[6][8],tone_1000_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[8][2],tone_2000_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[8][4],tone_2000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[8][6],tone_2000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[8][8],tone_2000_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[10][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[10][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[10][6],tone_4000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[10][8],tone_4000_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[12][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[12][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[12][6],tone_8000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(tonecurves[12][8],tone_8000_100dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[0][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[0][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[0][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[0][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[2][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[2][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[2][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[2][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[4][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[4][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[4][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[4][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[6][2],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[6][4],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[6][6],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[6][8],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[8][2],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[8][4],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[8][6],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[8][8],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[10][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[10][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[10][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[10][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[12][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[12][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[12][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX);
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memcpy(noisecurves[12][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX);
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setup_curve(tonecurves[0],0,vi.toneatt_125Hz);
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setup_curve(tonecurves[2],2,vi.toneatt_250Hz);
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setup_curve(tonecurves[4],4,vi.toneatt_500Hz);
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setup_curve(tonecurves[6],6,vi.toneatt_1000Hz);
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setup_curve(tonecurves[8],8,vi.toneatt_2000Hz);
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setup_curve(tonecurves[10],10,vi.toneatt_4000Hz);
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setup_curve(tonecurves[12],12,vi.toneatt_8000Hz);
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setup_curve(noisecurves[0],0,vi.noiseatt_125Hz);
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setup_curve(noisecurves[2],2,vi.noiseatt_250Hz);
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setup_curve(noisecurves[4],4,vi.noiseatt_500Hz);
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setup_curve(noisecurves[6],6,vi.noiseatt_1000Hz);
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setup_curve(noisecurves[8],8,vi.noiseatt_2000Hz);
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setup_curve(noisecurves[10],10,vi.noiseatt_4000Hz);
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setup_curve(noisecurves[12],12,vi.noiseatt_8000Hz);
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for(i=1;i<13;i+=2){
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for(j=0;j<9;j++){
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interp_curve_dB(tonecurves[i][j],
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tonecurves[i-1][j],
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tonecurves[i+1][j],.5);
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interp_curve_dB(noisecurves[i][j],
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noisecurves[i-1][j],
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noisecurves[i+1][j],.5);
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}
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}
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for(i=0;i<5;i++){
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peakatt[0][i]=fromdB(vi.peakatt_125Hz[i]);
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peakatt[1][i]=fromdB(vi.peakatt_250Hz[i]);
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peakatt[2][i]=fromdB(vi.peakatt_500Hz[i]);
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peakatt[3][i]=fromdB(vi.peakatt_1000Hz[i]);
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peakatt[4][i]=fromdB(vi.peakatt_2000Hz[i]);
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peakatt[5][i]=fromdB(vi.peakatt_4000Hz[i]);
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peakatt[6][i]=fromdB(vi.peakatt_8000Hz[i]);
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}
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*/
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}
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}
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