Indexes and Ranges

Jump to User Gain Index

Jump to Calibration Gain Index

Jump to 256-step Frequency Index

The table below describes the indexes used to represent standard values used in the Bongiovi DPS algorithm (generation 1). These values normally apply to equalizer functions.

EQ Gain Index HEXDecibelsFreq IndexHEXFreq HzQ IndexHEXQ Value
00-120028000.4
11-11.51131110.5
22-112235220.6
33-10.53340330.7
44-104445440.8
55-9.55550550.9
66-96656661
77-8.57763771.2
88-88870881.4
99-7.59980992
10A-710A9010A2.5
11B-6.511B10011B3
12C-612C11212C4
13D-5.513D12513D5
14E-514E14114E6.5
15F-4.515F16015F8
1610-41610180
1711-3.51711200
1812-31812225
1913-2.51913250
2014-22014280
2115-1.52115315
2216-12216350
2317-0.52317400
241802418450
25190.52519500
261A1261A560
271B1.5271B630
281C2281C700
291D2.5291D800
301E3301E900
311F3.5311F1000
3220432201120
33214.533211250
3422534221400
35235.535231600
3624636241800
37256.537252000
3826738262250
39277.539272500
4028840282800
41298.541293150
422A9422A3500
432B9.5432B4000
442C10442C4500
452D10.5452D5000
462E11462E5600
472F11.5472F6300
48301248307000
493112.549318000
50321350329000
513313.5513310000
523414523411200
533514.5533512500
543615543614100
553715.5553716000
563816563818000
573916.5573920000
583A17
593B17.5
603C18

User Gain Index

In cases where a wide range of attenuation is required, the special User Gain index table applies:

Special Gain IndexHEXDecibels
160A00
1599F-0.5
1589E-1
1579D-1.5
1569C-2
1559B-2.5
1549A-3
15399-3.5
15298-4
15197-4.5
15096-5
14995-5.5
14894-6
14793-6.5
14692-7
14591-7.5
14490-8
1438F-8.5
1428E-9
1418D-9.5
1408C-10
1398B-10.5
1388A-11
13789-11.5
13688-12
13587-12.5
13486-13
13385-13.5
13284-14
13183-14.5
13082-15
12981-15.5
12880-16
1277F-16.5
1267E-17
1257D-17.5
1247C-18
1237B-18.5
1227A-19
12179-19.5
12078-20
11977-20.5
11876-21
11775-21.5
11674-22
11573-22.5
11472-23
11371-23.5
11270-24
1116F-24.5
1106E-25
1096D-25.5
1086C-26
1076B-26.5
1066A-27
10569-27.5
10468-28
10367-28.5
10266-29
10165-29.5
10064-30
9963-30.5
9862-31
9761-31.5
9660-32
955F-32.5
945E-33
935D-33.5
925C-34
915B-34.5
905A-35
8959-35.5
8858-36
8757-36.5
8656-37
8555-37.5
8454-38
8353-38.5
8252-39
8151-39.5
8050-40
794F-40.5
784E-41
774D-41.5
764C-42
754B-42.5
744A-43
7349-43.5
7248-44
7147-44.5
7046-45
6945-45.5
6844-46
6743-46.5
6642-47
6541-47.5
6440-48
633F-48.5
623E-49
613D-49.5
603C-50
593B-50.5
583A-51
5739-51.5
5638-52
5537-52.5
5436-53
5335-53.5
5234-54
5133-54.5
5032-55
4931-55.5
4830-56
472F-56.5
462E-57
452D-57.5
442C-58
432B-58.5
422A-59
4129-59.5
4028-60
3927-60.5
3826-61
3725-61.5
3624-62
3523-62.5
3422-63
3321-63.5
3220-64
311F-64.5
301E-65
291D-65.5
281C-66
271B-66.5
261A-67
2519-67.5
2418-68
2317-68.5
2216-69
2115-69.5
2014-70
1913-70.5
1812-71
1711-71.5
1610-72
15F-72.5
14E-73
13D-73.5
12C-74
11B-74.5
10A-75
99-75.5
88-76
77-76.5
66-77
55-77.5
44-78
33-78.5
22-79
11-79.5
00-80

Calibration Gain Index

Input Gain, Output Gain, and AGC Makeup Gain all have a range of -40dB to +23.5dB:

IndexHEXDecibels
00-40
11-39.5
22-39
33-38.5
44-38
55-37.5
66-37
77-36.5
88-36
99-35.5
10A-35
11B-34.5
12C-34
13D-33.5
14E-33
15F-32.5
1610-32
1711-31.5
1812-31
1913-30.5
2014-30
2115-29.5
2216-29
2317-28.5
2418-28
2519-27.5
261A-27
271B-26.5
281C-26
291D-25.5
301E-25
311F-24.5
3220-24
3321-23.5
3422-23
3523-22.5
3624-22
3725-21.5
3826-21
3927-20.5
4028-20
4129-19.5
422A-19
432B-18.5
442C-18
452D-17.5
462E-17
472F-16.5
4830-16
4931-15.5
5032-15
5133-14.5
5234-14
5335-13.5
5436-13
5537-12.5
5638-12
5739-11.5
583A-11
593B-10.5
603C-10
613D-9.5
623E-9
633F-8.5
6440-8
6541-7.5
6642-7
6743-6.5
6844-6
6945-5.5
7046-5
7147-4.5
7248-4
7349-3.5
744A-3
754B-2.5
764C-2
774D-1.5
784E-1
794F-0.5
80500
81510.5
82521
83531.5
84542
85552.5
86563
87573.5
88584
89594.5
905A5
915B5.5
925C6
935D6.5
945E7
955F7.5
96608
97618.5
98629
99639.5
1006410
1016510.5
1026611
1036711.5
1046812
1056912.5
1066A13
1076B13.5
1086C14
1096D14.5
1106E15
1116F15.5
1127016
1137116.5
1147217
1157317.5
1167418
1177518.5
1187619
1197719.5
1207820
1217920.5
1227A21
1237B21.5
1247C22
1257D22.5
1267E23
1277F23.5

Compressor Ratio Index

Compressor Ratio IndexHEXRatio
001:1
112:1
223:1
334:1
446:1
55infty:1

Other Tables

High Pass Filter (HPF)

Index 20 – 255 = 20Hz to 255Hz


Compressor Threshold

Index 0 = -52dB

0.5dB increments

Index 104 = 0dB


Limiter Threshold

Index 0 = -80dB

0.5dB increments

Index 160 = 0dB


Limiter Release

Index 0 = 2ms

2ms increments

Index 249 = 500ms


Compressor Attack Time

Index 0 to 99 = 0ms to 99ms


Compressor Release Time

Index 0 = 0ms

5ms increments

Index 99 = 495ms

256-step Frequency Index

As of ARM version 4.4 and Profile Creator 1.8, the frequency index has been increased to 256:

IndexHexFrequency
0026
1127
2228
3329
4430
5531
6632
7733
8834
9935
10A36
11B37
12C38
13D39
14E40
15F41
161042
171143
181244
191345
201446
211548
221649
231750
241851
251953
261A54
271B56
281C57
291D59
301E60
311F62
322063
332165
342267
352369
362470
372572
382674
392776
402878
412980
422A82
432B84
442C87
452D89
462E90
472F94
483096
493198
5032100
5133104
5234106
5335109
5436112
5537115
5638118
5739121
583A125
593B128
603C131
613D134
623E138
633F141
6440145
6541149
6642153
6743157
6844160
6945165
7046170
7147174
7248180
7349183
744A188
754B193
764C200
774D203
784E208
794F214
8050220
8151225
8252231
8353237
8454243
8555250
8656256
8757263
8858270
8959280
905A284
915B292
925C299
935D307
945E315
955F323
9660332
9761340
9862350
9963359
10064368
10165378
10266387
10367400
10468408
10569419
1066A430
1076B441
1086C450
1096D464
1106E476
1116F489
11270500
11371515
11472528
11573542
11674560
11775570
11876585
11977601
12078616
12179630
1227A649
1237B666
1247C683
1257D700
1267E719
1277F738
12880758
12981777
13082800
13183818
13284840
13385862
13486884
13587900
13688931
13789955
1388A980
1398B1000
1408C1032
1418D1059
1428E1087
1438F1120
144901144
145911174
146921205
147931250
148941269
149951302
150961336
151971371
152981400
153991443
1549A1481
1559B1520
1569C1559
1579D1600
1589E1642
1599F1685
160A01729
161A11774
162A21800
163A31868
164A41916
165A51966
166A62000
167A72070
168A82124
169A92180
170AA2250
171AB2295
172AC2355
173AD2417
174AE2500
175AF2545
176B02611
177B12679
178B22749
179B32800
180B42895
181B52970
182B63048
183B73150
184B83209
185B93293
186BA3379
187BB3500
188BC3557
189BD3650
190BE3746
191BF3843
192C03944
193C14000
194C24152
195C34261
196C44372
197C54500
198C64603
199C74723
200C84847
201C95000
202CA5103
203CB5236
204CC5373
205CD5513
206CE5600
207CF5805
208D05956
209D16112
210D26300
211D36435
212D46603
213D56776
214D67000
215D77134
216D87320
217D97511
218DA7707
219DB8000
220DC8115
221DD8327
222DE8544
223DF8767
224E09000
225E19231
226E29472
227E39719
228E410000
229E510234
230E610501
231E710775
232E811056
233E911200
234EA11641
235EB11945
236EC12257
237ED12500
238EE12905
239EF13242
240F013587
241F114100
242F214306
243F314680
244F415063
245F515456
246F616000
247F716274
248F816698
249F917134
250FA17582
251FB18000
252FC18512
253FD18995
254FE19491
255FF20000