Cipher Challenge
The Borrowed Voice
Introduction
This Challenge explains how early sound recordings are preserved and restored, including the difficulty of reducing damage without altering the original performance.
Count overlapping units and compare their distributions.
Live output1,829 overlapping units
| Unit | Count | Share | Rank |
|---|---|---|---|
| P | 249 | 13.6% | 1 |
| C | 161 | 8.8% | 2 |
| Z | 148 | 8.1% | 3 |
| N | 141 | 7.7% | 4 |
| D | 139 | 7.6% | 5 |
| I | 136 | 7.4% | 6 |
| X | 115 | 6.3% | 7 |
| B | 112 | 6.1% | 8 |
| L | 84 | 4.6% | 9 |
| R | 79 | 4.3% | 10 |
| H | 78 | 4.3% | 11 |
| M | 65 | 3.6% | 12 |
1
PCIRT DBSXH DSIUNUPD BX OCXT
25
WMTDNLCR GBIOCZD, NXLRSHNXA
49
JCK LTRNXHPID, DMPRRCL HNDLD,
73
RCLESPI HNDLD, JNIP, CXH
92
OCAXPZNL ZCWP. PCLM OPHNSO
114
GCNRD NX C HNGGPIPXZ JCT. C
135
LTRNXHPI OCT LICLV, C RCLESPI
159
LBCZNXA OCT DPWCICZP GIBO NZD
184
QCDP, CXH ZCWP OCT DZIPZLM BI
207
RBDP ZMP OCZPINCR ZMCZ
226
LCIINPD NZD DNAXCR. QPGBIP
248
WRCTQCLV, C LBXDPIUCZBI
268
NHPXZNGNPD ZMP GBIOCZ CXH
290
IPLBIHD NZD LBXHNZNBX.
309
WRCTNXA C HCOCAPH NZPO JNZM
332
SXDSNZCQRP PESNWOPXZ LCX
354
HPDZIBT NXGBIOCZNBX ZMCZ MCH
379
DSIUNUPH GBI HPLCHPD.
397
LRPCXNXA ND LMBDPX GBI ZMP
419
WCIZNLSRCI OCZPINCR. C OPZMBH
444
DCGP GBI BXP HNDL LCX HNDDBRUP
469
BI DJPRR CXBZMPI. RBBDP HSDZ ND
494
IPOBUPH JNZMBSZ GBILNXA NZ
517
GCIZMPI NXZB C AIBBUP, CXH
538
QIBVPX WNPLPD CIP DZCQNRNFPH
563
QPGBIP ZMPT CIP MCXHRPH.
583
RCQPRD, QBKPD, MCXHJINZZPX
605
XBZPD, CXH ZMP BIHPI BG NZPOD
628
CIP WIPDPIUPH QPLCSDP ZMPT
651
OCT QP ZMP BXRT IPRNCQRP
671
PUNHPXLP BG JMB BI JMCZ JCD
693
IPLBIHPH.
701
WRCTQCLV ND NZDPRG C
718
ZPLMXNLCR HPLNDNBX. AIBBUP
741
DNFP, IPLBIHNXA HNIPLZNBX,
763
DWPPH, DZTRSD DMCWP, CXH
782
PESCRNFCZNBX JPIP XBZ
801
DZCXHCIHNFPH CLIBDD PUPIT
824
WPINBH BI OCXSGCLZSIPI. CX
846
PXANXPPI OCT ZPDZ DPUPICR
868
DZTRN CXH LMBBDP ZMP BXP ZMCZ
892
IPZINPUPD ZMP LRPCIPDZ
912
DNAXCR JMNRP WRCLNXA ZMP
933
RPCDZ DZIPDD BX ZMP BQYPLZ.
955
GICANRP IPLBIHNXAD LCX
975
DBOPZNOPD QP IPCH JNZM
994
BWZNLCR DTDZPOD ZMCZ OPCDSIP
1019
ZMP AIBBUP JNZMBSZ SDNXA C
1041
LBXUPXZNBXCR XPPHRP.
1059
ZMP GNIDZ HNANZCR ZICXDGPI
1082
SDSCRRT VPPWD OBIP
1098
NXGBIOCZNBX ZMCX C RNDZPXPI
1122
XPPHD. NZ WIPDPIUPD ZMP
1141
SXWIBLPDDPH DNAXCR CZ C MNAM
1165
ESCRNZT CXH HBLSOPXZD ZMP
1187
PESNWOPXZ CXH DPZZNXAD SDPH. C
1212
DPWCICZP CLLPDD LBWT OCT
1233
IPLPNUP LCIPGSR CHYSDZOPXZ.
1257
LRNLVD, MSO, MNDD, CXH
1273
OPLMCXNLCR ISOQRP LCX QP
1294
IPHSLPH, QSZ CAAIPDDNUP
1314
WIBLPDDNXA LCX IPOBUP WCIZD
1338
BG DWPPLM BI OSDNL CRBXA JNZM
1362
ZMP XBNDP. IPDZBICZNBX
1381
ZMPIPGBIP CNOD GBI
1397
NXZPRRNANQNRNZT JNZMBSZ
1419
WIPZPXHNXA ZMCZ CX BRH
1438
IPLBIHNXA JCD OCHP SXHPI
1459
OBHPIX LBXHNZNBXD.
1475
ZMP HNANZCR GNRP HBPD XBZ
1496
IPWRCLP ZMP BINANXCR. DZBICAP
1521
DTDZPOD QPLBOP BQDBRPZP,
1542
GNRPD LCX QP LBIISWZPH, CXH
1564
GSZSIP ZPLMXNESPD OCT
1583
IPLBUPI HPZCNRD ZMCZ LSIIPXZ
1608
PESNWOPXZ ONDDPD. RBXA-ZPIO
1631
WIPDPIUCZNBX VPPWD ZMP
1651
WMTDNLCR LCIINPI JMPX
1670
WBDDNQRP, LMPLVD HNANZCR
1691
LBWNPD IPASRCIRT, CXH DZBIPD
1715
HPDLINWZNUP NXGBIOCZNBX
1737
JNZM ZMPO. ZMP IPDSRZ ND XBZ
1759
OPIPRT C LRPCXPI UBNLP. NZ ND C
1783
IPLBIH JMBDP MNDZBIT CXH
1804
CRZPICZNBXD IPOCNX
1821
ZICLPCQRP.
Compare word shapes, terminals, contacts, and reversals.
Live output339 words · 226 distinct
| Word | Pattern | Count | Start positions |
|---|---|---|---|
ZMP | 1.2.3 | 18 | 211, 278, 416, 613, 656, 882 +12 |
C | 1 | 14 | 121, 134, 151, 256, 316, 437 +8 |
CXH | 1.2.3 | 13 | 89, 188, 287, 535, 610, 779 +7 |
OCT | 1.2.3 | 7 | 143, 166, 195, 651, 854, 1230 +1 |
ZMCZ | 1.2.3.1 | 6 | 222, 372, 888, 1008, 1429, 1597 |
LCX | 1.2.3 | 6 | 351, 458, 972, 1289, 1324, 1547 |
BI | 1.2 | 5 | 205, 469, 684, 830, 1346 |
ND | 1.2 | 5 | 405, 492, 709, 1754, 1780 |
JNZM | 1.2.3.4 | 4 | 328, 990, 1358, 1737 |
GBI | 1.2.3 | 4 | 387, 413, 448, 1394 |
QP | 1.2 | 4 | 654, 984, 1292, 1550 |
NZD | 1.2.3 | 3 | 181, 233, 297 |
Terminals
| Sequence | Initial | Final |
|---|---|---|
ZM | 29 | 4 |
ZMP | 22 | 18 |
IP | 19 | 11 |
MP | 0 | 18 |
CR | 2 | 16 |
CX | 16 | 9 |
PD | 0 | 16 |
PI | 0 | 14 |
XH | 0 | 14 |
CXH | 13 | 13 |
OC | 13 | 0 |
PH | 0 | 13 |
Contacts
| Letter | Left | Right |
|---|---|---|
A | 5: X 16, N 9, C 5, A 1, P 1 | 8: N 7, I 4, X 4, D 2, P 2, A 1, M 1, S 1 |
B | 15: L 16, G 13, N 13, I 9, M 8, X 6, Z 6, B 5, D 4, O 4, R 4, H 2, Q 1, U 1, W 1 | 20: I 33, X 23, D 7, U 6, B 5, Z 5, S 4, G 3, H 3, L 3, O 3, R 3, W 3, N 2, Q 2, C 1, K 1, P 1, T 1, V 1 |
C | 19: O 20, L 16, M 13, R 11, I 10, P 9, Z 9, X 5, J 4, W 4, G 3, N 3, Q 3, S 3, H 2, U 2, B 1, D 1, F 1 | 16: X 32, Z 23, R 21, I 16, L 13, T 11, A 5, D 5, H 5, Q 5, N 4, W 3, G 1, K 1, O 1, S 1 |
D | 18: P 30, N 15, D 10, S 8, B 7, Z 7, C 5, X 5, O 4, T 4, R 3, A 2, H 2, I 2, L 2, V 2, W 2, Q 1 | 13: P 20, Z 20, N 12, D 10, S 6, B 4, L 4, M 2, T 2, W 2, C 1, G 1, J 1 |
E | 3: P 4, L 2, N 1 | 1: S 8 |
F | 1: N 4 | 2: P 3, C 1 |
G | 9: P 4, B 3, X 3, N 2, C 1, D 1, G 1, R 1, S 1 | 7: B 13, N 4, C 3, P 3, I 2, S 2, G 1 |
H | 8: X 23, P 17, I 8, C 5, B 3, N 2, R 1, S 1 | 9: N 18, P 15, B 2, C 2, D 2, R 2, S 2, J 1, Y 1 |
I | 13: B 33, P 31, C 16, S 6, W 6, Z 6, A 4, I 4, L 3, N 3, G 2, J 1, Q 1 | 15: P 46, C 10, B 9, N 9, H 8, O 6, U 6, I 4, Z 3, D 2, R 2, S 2, T 2, L 1, X 1 |
J | 2: D 1, H 1 | 5: N 8, M 5, C 4, P 2, I 1 |
K | 2: B 1, C 1 | 1: P 1 |
L | 10: P 20, C 13, N 10, D 4, B 3, X 2, I 1, L 1, S 1, Z 1 | 14: B 16, C 16, P 10, M 9, R 5, V 5, I 3, N 3, S 3, Z 3, D 2, E 2, T 2, L 1 |
Reversals
IP 46 · PI 31DP 20 · PD 30NZ 25 · ZN 19BI 33 · IB 9CX 32 · XC 5CR 21 · RC 11CZ 23 · ZC 9HP 15 · PH 17LP 10 · PL 20BX 23 · XB 6CL 13 · LC 16NX 25 · XN 4A
B
Plain
ABCDEFGHIJKLMNOPQRSTUVWXYZThe cipher alphabet must contain exactly 26 letters.