31:
262:
369:(MDCT) used by modern audio compression formats such as MP3 and AAC. MDCT was proposed by J. P. Princen, A. W. Johnson and A. B. Bradley in 1987, following earlier work by Princen and Bradley in 1986. The MDCT is used by modern audio compression formats such as
987:
165:
which work by appending the tags to the MP3, and then relying on the MP3 player to recognize the chunk as malformed audio coding and therefore skip it. In video files with audio, the encoded audio content is bundled with video (in a
212:
Transmitted (streamed) audio is most often compressed using lossy audio codecs as the smaller size is far more convenient for distribution. The most widely used audio coding formats are
1149:
3176:
1946:
1411:
1586:
3060:
2851:
2247:
1777:
1741:
2489:
3470:
3032:
603:
1394:
1442:
Britanak, V. (2011). "On
Properties, Relations, and Simplified Implementation of Filter Banks in the Dolby Digital (Plus) AC-3 Audio Coding Standards".
1348:
Britanak, V. (2011). "On
Properties, Relations, and Simplified Implementation of Filter Banks in the Dolby Digital (Plus) AC-3 Audio Coding Standards".
3064:
2847:
2251:
1781:
3406:
2634:
731:
343:(CELP) algorithm which achieved a significant compression ratio for its time. Perceptual coding is used by modern audio compression formats such as
157:
files, which are raw audio coding without a container format. De facto standards for adding metadata tags such as title and artist to MP3s, such as
2704:
2709:
737:
185:
implementing the format. An important part of how lossy audio compression works is by removing data in ways humans can't hear, according to a
2291:
2772:
1324:
1180:
968:
1210:
3532:
3497:
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918:
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366:
278:
221:
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1734:
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1085:
933:
339:(APC), a perceptual coding algorithm that exploited the masking properties of the human ear, followed in the early 1980s with the
3314:
2868:
2767:
2557:
1959:
201:
audio coding format reduces the total data needed to represent a sound but can be de-coded to its original, uncompressed form. A
3421:
3148:
3012:
2855:
2479:
2433:
2333:
749:
189:; the implementer of an encoder has some freedom of choice in which data to remove (according to their psychoacoustic model).
3411:
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905:
725:
340:
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2494:
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2393:
2256:
1931:
1853:
1786:
1757:
1727:
1103:"A History of Realtime Digital Speech on Packet Networks: Part II of Linear Predictive Coding and the Internet Protocol"
645:
112:
1032:
Cummiskey, P.; Jayant, Nikil S.; Flanagan, J. L. (1973). "Adaptive quantization in differential PCM coding of speech".
3578:
2664:
171:
30:
3537:
3512:
3002:
2639:
2446:
1898:
809:
719:
336:
250:
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of the sound on top of compression, which results in far less data at the cost of irretrievably lost information.
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821:
669:
483:
378:
246:
217:
138:
67:
1665:
985:, C. Chapin Cutler, "Differential Quantization of Communication Signals", issued 1952-07-29
982:
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3115:
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1172:
242:
116:
55:
3465:
2366:
1719:
1242:"Subband/Transform coding using filter bank designs based on time domain aliasing cancellation"
96:, which is one of several different codecs which implements encoding and decoding audio in the
3433:
3384:
2836:
2679:
2269:
2120:
1794:
1704:
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1328:
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316:
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1984:
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1357:
1288:
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1041:
1014:
923:
312:
153:
such as title and other tags, and perhaps an index for fast seeking. A notable exception is
134:
133:
Audio content encoded in a particular audio coding format is normally encapsulated within a
83:
1078:
Acoustics, Information, and
Communication: Memorial Volume in Honor of Manfred R. Schroeder
3460:
3252:
2361:
2338:
890:
663:
206:
17:
3542:
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3099:
2318:
2192:
1045:
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827:
743:
465:
324:
236:
146:
47:
1556:
Valin, Jean-Marc; Maxwell, Gregory; Terriberry, Timothy B.; Vos, Koen (October 2013).
3572:
3438:
3245:
2739:
2537:
2303:
2187:
1831:
1246:
ICASSP '87. IEEE International
Conference on Acoustics, Speech, and Signal Processing
1176:
707:
627:
428:
370:
304:
282:
59:
51:
1261:
3262:
3027:
2822:
2817:
2812:
2669:
2644:
2140:
833:
585:
286:
1463:
1369:
1277:"Analysis/Synthesis filter bank design based on time domain aliasing cancellation"
3326:
3267:
3205:
2570:
2565:
2150:
2070:
1799:
1253:
261:
88:
1292:
1276:
1241:
1002:
3240:
2724:
2542:
2313:
2182:
2145:
2080:
1964:
1841:
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1455:
1361:
884:
867:
266:
1131:
1053:
3309:
2911:
2714:
2694:
2514:
2509:
2172:
2130:
1168:
873:
362:
332:
294:
274:
178:
969:"Video – Where is synchronization information stored in container formats?"
1102:
3287:
3166:
2689:
2115:
1969:
1419:
1145:
687:
249:(PCM, or .wav), are also sometimes used. PCM was the standard format for
150:
62:
and in audio and video files). Examples of audio coding formats include
3502:
3443:
3356:
3110:
2997:
2956:
2951:
2936:
2931:
2926:
2921:
2916:
2777:
2719:
2659:
2423:
2403:
2388:
2177:
2105:
2085:
1122:
899:
763:
86:
and decompression to/from a specific audio coding format is called an
3304:
3133:
2762:
2456:
2296:
2217:
2197:
2135:
1872:
1848:
1826:
1814:
1809:
783:
531:
491:
487:
71:
149:
container containing AAC-encoded audio. The container also contains
1570:
3351:
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3125:
2901:
2864:
2749:
2451:
2418:
2413:
2408:
2398:
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2378:
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2348:
2110:
2090:
1921:
1911:
1906:
1894:
1882:
815:
769:
447:
260:
182:
29:
1479:"Reminiscences of the Early Work in DCT: Interview with K.R. Rao"
1320:
Mobile
Multimedia Broadcasting Standards: Technology and Practice
265:
Solidyne 922: The world's first commercial audio bit compression
3292:
3257:
3037:
2992:
2982:
2972:
2946:
2906:
2896:
2807:
2802:
2797:
2792:
2734:
2654:
2617:
2612:
2529:
2471:
2461:
2222:
2100:
1974:
1954:
843:
788:
757:
609:
549:
232:
93:
75:
1723:
3331:
3319:
3161:
2977:
2881:
2684:
2281:
2023:
2018:
2013:
2008:
2003:
1998:
753:
528:
374:
344:
213:
158:
154:
97:
63:
1281:
IEEE Transactions on
Acoustics, Speech, and Signal Processing
239:
are sometimes available, though at the cost of larger files.
34:
Comparison of coding efficiency between popular audio formats
1003:"Adaptive Quantization in Differential PCM Coding of Speech"
82:. A specific software or hardware implementation capable of
1444:
IEEE Transactions on Audio, Speech, and
Language Processing
1350:
IEEE Transactions on Audio, Speech, and
Language Processing
1693:
Spanias, Andreas; Painter, Ted; Atti, Venkatraman (2006).
311:(LPC). Initial concepts for LPC date back to the work of
1148:; T. Natarajan; Kamisetty Ramamohan Rao (January 1974).
111:. Some such specifications are written and approved by
103:
Some audio coding formats are documented by a detailed
1558:
High-Quality, Low-Delay Music Coding in the Opus Codec
1001:
Cummiskey, P.; Jayant, N. S.; Flanagan, J. L. (1973).
193:
Lossless, lossy, and uncompressed audio coding formats
951:
The term "audio coding" can be seen in e.g. the name
1486:
3525:
3370:
3344:
3198:
3175:
3147:
3124:
3059:
3050:
2965:
2846:
2835:
2627:
2579:
2556:
2528:
2470:
2432:
2347:
2246:
2235:
2063:
2032:
1983:
1945:
1893:
1776:
1765:
1211:"The Use of FFT and MDCT in MP3 Audio Compression"
1477:Stanković, Radomir S.; Astola, Jaakko T. (2012).
123:. The term "standard" is also sometimes used for
220:(AAC), both of which are lossy formats based on
137:. As such, the user normally doesn't have a raw
1512:"Vorbis I specification - 1.1.2 Classification"
1067:
1065:
1063:
1587:"The inconvenient truth about Bluetooth audio"
1381:
1379:
1240:Princen, J.; Johnson, A.; Bradley, A. (1987).
1735:
205:audio coding format additionally reduces the
8:
177:An audio coding format does not dictate all
1617:"What is Sony LDAC, and how does it do it?"
772:(noted for its lack of patent restrictions)
766:(noted for its lack of patent restrictions)
604:Adaptive differential pulse-code modulation
3056:
2843:
2243:
1773:
1742:
1728:
1720:
393:
1569:
1204:
1202:
1200:
1121:
732:Algebraic code-excited linear prediction
285:(ADPCM) was introduced by P. Cummiskey,
27:Digitally coded format for audio signals
1666:"Digital Theater Systems Audio Formats"
944:
1312:
1310:
1308:
1306:
1304:
1302:
738:Relaxed code-excited linear prediction
231:Lossless audio coding formats such as
1325:Springer Science & Business Media
7:
1248:. Vol. 12. pp. 2161–2164.
415:
365:in 1974, provided the basis for the
812:(ALAC – Apple Lossless Audio Codec)
797:(mostly for real-time applications)
789:Constrained Energy Lapped Transform
550:Constrained Energy Lapped Transform
3533:Comparison of audio coding formats
1696:Audio Signal Processing and Coding
1510:Xiph.Org Foundation (2009-06-02).
1046:10.1002/j.1538-7305.1973.tb02007.x
1019:10.1002/j.1538-7305.1973.tb02007.x
919:Comparison of audio coding formats
850:Lossless discrete cosine transform
816:Adaptive Transform Acoustic Coding
778:Modified discrete cosine transform
448:Adaptive Transform Acoustic Coding
423:Modified discrete cosine transform
367:modified discrete cosine transform
279:differential pulse-code modulation
222:modified discrete cosine transform
100:audio coding format in software.
92:; an example of an audio codec is
25:
1275:Princen, J.; Bradley, A. (1986).
1034:The Bell System Technical Journal
934:List of audio compression formats
1400:from the original on 2017-02-13.
1386:Brandenburg, Karlheinz (1999).
955:, and is analogous to the term
335:developed a form of LPC called
50:for storage or transmission of
3095:ISO/IEC base media file format
1642:"aptX HD - lossless or lossy?"
1535:Presentation of the CELT codec
1157:IEEE Transactions on Computers
1072:Schroeder, Manfred R. (2014).
726:Code-excited linear prediction
341:code-excited linear prediction
321:Nippon Telegraph and Telephone
1:
1585:Darko, John H. (2017-03-29).
1412:"Video Developer Report 2019"
1209:Guckert, John (Spring 2012).
1007:Bell System Technical Journal
323:) in 1966. During the 1970s,
141:file, but instead has a .m4a
130:as well as formal standards.
113:standardization organizations
48:content representation format
1110:Found. Trends Signal Process
646:Master Quality Authenticated
397:Basic compression algorithm
1254:10.1109/ICASSP.1987.1169405
1150:"Discrete Cosine Transform"
172:multimedia container format
119:, and are thus known as an
3595:
3538:Comparison of video codecs
2048:(GB/T 33475.2,GY/T 299.1)
1293:10.1109/TASSP.1986.1164954
824:(also known as MPEG-4 ALS)
720:Adaptive predictive coding
705:
337:adaptive predictive coding
251:Compact Disc Digital Audio
109:audio coding specification
3551:
1562:Audio Engineering Society
1456:10.1109/TASL.2010.2087755
1362:10.1109/TASL.2010.2087755
1080:. Springer. p. 388.
896:TTA (True Audio Lossless)
856:Meridian Lossless Packing
844:Free Lossless Audio Codec
682:
679:
662:
602:
421:
355:Discrete cosine transform
1640:Ford, Jez (2016-11-22).
1615:Ford, Jez (2015-08-24).
1560:. 135th AES Convention.
1101:Gray, Robert M. (2010).
908:(Windows Media Lossless)
804:List of lossless formats
714:Linear predictive coding
309:linear predictive coding
44:audio compression format
18:Audio compression format
3362:Alliance for Open Media
1532:Terriberry, Timothy B.
1388:"MP3 and AAC Explained"
1169:10.1109/T-C.1974.223784
628:Digital Theater Systems
105:technical specification
2282:MPEG-1 Layer III (MP3)
924:Data compression#Audio
879:Original Sound Quality
870:(also known as HD-AAC)
828:Direct Stream Transfer
400:Audio coding standard
270:
35:
3300:QuickTime File Format
1701:John Wiley & Sons
1514:. Xiph.Org Foundation
1317:Luo, Fa-Long (2008).
983:US patent 2605361
953:Advanced Audio Coding
822:Audio Lossless Coding
706:Further information:
670:MPEG-1 Audio Layer II
484:Advanced Audio Coding
385:List of lossy formats
379:Advanced Audio Coding
264:
247:pulse-code modulation
218:Advanced Audio Coding
121:audio coding standard
107:document known as an
33:
3559:Compression software
3116:MPEG media transport
2193:Sorenson Video/Spark
887:(RealAudio Lossless)
864:(Monkey's Audio APE)
357:(DCT), developed by
329:Manfred R. Schroeder
277:filed the patent on
187:psychoacoustic model
3557:for techniques and
3555:Compression methods
2051:HDR Vivid(GY/T 358)
1671:Library of Congress
1074:"Bell Laboratories"
839:DTS-HD Master Audio
750:Adaptive Multi-Rate
511:Windows Media Audio
361:, T. Natarajan and
319:) and Shuzo Saito (
303:was first used for
168:video coding format
117:technical standards
40:audio coding format
3579:Audio file formats
1674:. 27 December 2011
1219:University of Utah
1123:10.1561/2000000036
902:(WavPack lossless)
307:compression, with
271:
243:Uncompressed audio
56:digital television
36:
3566:
3565:
3340:
3339:
3258:DivX Media Format
3046:
3045:
2831:
2830:
2231:
2230:
2121:Microsoft Video 1
2056:AVS3 P2(GY/T 368)
2042:(GB/T 20090.2/16)
929:Audio file format
699:
698:
317:Nagoya University
301:Perceptual coding
291:James L. Flanagan
245:formats, such as
226:perceptual coding
84:audio compression
16:(Redirected from
3586:
3332:VOB, IFO and BUP
3106:Motion JPEG 2000
3057:
2844:
2803:aptX Low Latency
2580:Chinese Standard
2244:
2033:Chinese Standard
1805:Motion JPEG 2000
1774:
1744:
1737:
1730:
1721:
1715:
1714:
1690:
1684:
1683:
1681:
1679:
1662:
1656:
1655:
1653:
1652:
1637:
1631:
1630:
1628:
1627:
1612:
1606:
1605:
1603:
1602:
1593:. Archived from
1582:
1576:
1575:
1573:
1553:
1547:
1546:
1544:
1529:
1523:
1522:
1520:
1519:
1507:
1501:
1500:
1498:
1496:
1483:
1474:
1468:
1467:
1450:(5): 1231–1241.
1439:
1433:
1432:
1430:
1428:
1416:
1408:
1402:
1401:
1399:
1392:
1383:
1374:
1373:
1356:(5): 1231–1241.
1345:
1339:
1338:
1314:
1297:
1296:
1287:(5): 1153–1161.
1272:
1266:
1265:
1237:
1231:
1230:
1228:
1226:
1215:
1206:
1195:
1194:
1192:
1191:
1185:
1179:. Archived from
1154:
1142:
1136:
1135:
1125:
1107:
1098:
1092:
1091:
1069:
1058:
1057:
1040:(7): 1105–1118.
1029:
1023:
1022:
1013:(7): 1105–1118.
998:
992:
991:
990:
986:
979:
973:
972:
965:
959:
949:
417:
412:
394:
313:Fumitada Itakura
135:container format
21:
3594:
3593:
3589:
3588:
3587:
3585:
3584:
3583:
3569:
3568:
3567:
3562:
3547:
3521:
3366:
3336:
3194:
3171:
3143:
3120:
3042:
2961:
2859:
2838:
2827:
2623:
2595:(GB/T 33475.3)
2589:(GB/T 20090.10)
2575:
2552:
2524:
2466:
2428:
2343:
2339:MPEG-H 3D Audio
2265:MPEG-1 Layer II
2255:
2238:
2227:
2059:
2028:
1979:
1941:
1889:
1785:
1768:
1761:
1748:
1718:
1711:
1703:. p. 338.
1692:
1691:
1687:
1677:
1675:
1664:
1663:
1659:
1650:
1648:
1639:
1638:
1634:
1625:
1623:
1614:
1613:
1609:
1600:
1598:
1584:
1583:
1579:
1555:
1554:
1550:
1542:
1531:
1530:
1526:
1517:
1515:
1509:
1508:
1504:
1494:
1492:
1481:
1476:
1475:
1471:
1441:
1440:
1436:
1426:
1424:
1414:
1410:
1409:
1405:
1397:
1390:
1385:
1384:
1377:
1347:
1346:
1342:
1335:
1327:. p. 590.
1316:
1315:
1300:
1274:
1273:
1269:
1239:
1238:
1234:
1224:
1222:
1213:
1208:
1207:
1198:
1189:
1187:
1183:
1152:
1144:
1143:
1139:
1105:
1100:
1099:
1095:
1088:
1071:
1070:
1061:
1031:
1030:
1026:
1000:
999:
995:
988:
981:
980:
976:
967:
966:
962:
950:
946:
942:
915:
806:
710:
704:
664:Sub-band coding
410:
392:
387:
287:Nikil S. Jayant
259:
195:
28:
23:
22:
15:
12:
11:
5:
3592:
3590:
3582:
3581:
3571:
3570:
3564:
3563:
3552:
3549:
3548:
3546:
3545:
3543:List of codecs
3540:
3535:
3529:
3527:
3523:
3522:
3520:
3519:
3518:
3517:
3516:
3515:
3510:
3500:
3495:
3490:
3480:
3479:
3478:
3473:
3468:
3463:
3453:
3452:
3451:
3446:
3436:
3431:
3426:
3425:
3424:
3419:
3414:
3409:
3399:
3398:
3397:
3392:
3387:
3376:
3374:
3368:
3367:
3365:
3364:
3359:
3354:
3348:
3346:
3345:Collaborations
3342:
3341:
3338:
3337:
3335:
3334:
3329:
3324:
3323:
3322:
3312:
3307:
3302:
3297:
3296:
3295:
3285:
3280:
3275:
3270:
3265:
3260:
3255:
3250:
3249:
3248:
3238:
3233:
3228:
3223:
3218:
3213:
3208:
3202:
3200:
3196:
3195:
3193:
3192:
3187:
3181:
3179:
3173:
3172:
3170:
3169:
3164:
3159:
3153:
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3141:
3136:
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3119:
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3111:MPEG-21 Part 9
3108:
3103:
3100:MPEG-4 Part 14
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2680:Monkey's Audio
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2647:
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2620:(SJ/T 11299.4)
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2277:MPEG-1 Layer I
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2233:
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2016:
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1883:Part 2 / LCEVC
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1116:(4): 203–303.
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862:Monkey's Audio
859:
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836:
831:
825:
819:
813:
810:Apple Lossless
805:
802:
801:
800:
799:
798:
792:
786:
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767:
761:
747:
744:Low-delay CELP
741:
735:
729:
723:
703:
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697:
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610:aptX / aptX-HD
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466:MPEG Layer III
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388:
386:
383:
325:Bishnu S. Atal
258:
255:
237:Apple Lossless
207:bit resolution
194:
191:
147:MPEG-4 Part 14
42:(or sometimes
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2900:
2898:
2895:
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2890:
2888:
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2883:
2880:
2878:
2877:CCITT Group 4
2875:
2874:
2872:
2870:
2866:
2862:
2857:
2853:
2849:
2845:
2842:
2840:
2834:
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2821:
2819:
2816:
2814:
2811:
2809:
2808:aptX Adaptive
2806:
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2799:
2796:
2794:
2791:
2789:
2786:
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2779:
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2585:
2584:
2582:
2578:
2572:
2569:
2567:
2564:
2563:
2561:
2559:
2558:Bluetooth SIG
2555:
2549:
2546:
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2539:
2536:
2535:
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2531:
2527:
2521:
2518:
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2330:
2327:
2325:
2322:
2320:
2317:
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2310:
2307:
2305:
2304:MPEG Surround
2302:
2298:
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2289:
2288:
2285:
2283:
2280:
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2275:
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2020:
2017:
2015:
2012:
2010:
2007:
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2000:
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1995:
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1989:
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1881:
1879:
1876:
1875:
1874:
1871:
1867:
1864:
1863:
1862:
1859:
1855:
1854:Part 2 / HEVC
1852:
1851:
1850:
1847:
1843:
1842:Part 33 / IVC
1840:
1838:
1837:Part 10 / AVC
1835:
1833:
1830:
1829:
1828:
1825:
1821:
1818:
1817:
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1813:
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1710:9780470041963
1706:
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1672:
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1658:
1647:
1643:
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1622:
1618:
1611:
1608:
1597:on 2018-01-14
1596:
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1371:
1367:
1363:
1359:
1355:
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1344:
1341:
1336:
1334:9780387782638
1330:
1326:
1322:
1321:
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1311:
1309:
1307:
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1303:
1299:
1294:
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1286:
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1251:
1247:
1243:
1236:
1233:
1221:
1220:
1212:
1205:
1203:
1201:
1197:
1186:on 2016-12-08
1182:
1178:
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1166:
1162:
1158:
1151:
1147:
1141:
1138:
1133:
1129:
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1111:
1104:
1097:
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1089:
1087:9783319056609
1083:
1079:
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984:
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742:
739:
736:
733:
730:
727:
724:
721:
718:
717:
715:
712:
711:
709:
708:Speech coding
701:
694:
691:
689:
686:
685:
676:
673:
671:
668:
665:
661:
658:
655:
652:
649:
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454:
451:
449:
446:
445:
442:
439:
436:
433:
430:
429:Dolby Digital
427:
424:
420:
414:
409:Market share
408:
406:Introduction
405:
403:Abbreviation
402:
399:
396:
395:
389:
384:
382:
380:
376:
372:
371:Dolby Digital
368:
364:
360:
356:
352:
350:
346:
342:
338:
334:
330:
326:
322:
318:
314:
310:
306:
305:speech coding
302:
298:
296:
292:
288:
284:
283:Adaptive DPCM
280:
276:
268:
263:
256:
254:
252:
248:
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192:
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156:
152:
148:
145:, which is a
144:
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114:
110:
106:
101:
99:
95:
91:
90:
85:
81:
77:
73:
69:
65:
61:
60:digital radio
57:
53:
52:digital audio
49:
45:
41:
32:
19:
2609:(GB/T 22726)
2270:Multichannel
2236:
2126:MSU Lossless
2040:AVS1 P2/AVS+
1994:TrueMotion S
1932:H.265 / HEVC
1878:Part 1 / EVC
1866:Part 3 / VVC
1832:Part 2 / ASP
1695:
1688:
1676:. Retrieved
1669:
1660:
1649:. Retrieved
1645:
1635:
1624:. Retrieved
1620:
1610:
1599:. Retrieved
1595:the original
1590:
1580:
1557:
1551:
1540:Presentation
1534:
1527:
1516:. Retrieved
1505:
1493:. Retrieved
1489:
1485:
1472:
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1443:
1437:
1425:. Retrieved
1418:
1406:
1353:
1349:
1343:
1319:
1284:
1280:
1270:
1245:
1235:
1223:. Retrieved
1217:
1188:. Retrieved
1181:the original
1163:(1): 90–93.
1160:
1156:
1140:
1113:
1109:
1096:
1077:
1037:
1033:
1027:
1010:
1006:
996:
977:
963:
957:video coding
947:
906:WMA Lossless
834:Dolby TrueHD
353:
299:
272:
269:for PC, 1990
241:
230:
228:algorithms.
211:
196:
176:
132:
125:
120:
108:
102:
87:
54:(such as in
43:
39:
37:
3327:MOD and TOD
3268:Flash Video
3206:3GP and 3G2
2887:HEIC / HEIF
2839:compression
2599:Audio Vivid
2334:MPEG-D USAC
2329:MPEG-4 CELP
2324:MPEG-4 HVXC
2239:compression
2071:Apple Video
1987:and AOMedia
1937:H.266 / VVC
1927:H.264 / AVC
1769:compression
1754:compression
1678:10 November
1146:Nasir Ahmed
359:Nasir Ahmed
224:(MDCT) and
170:) inside a
89:audio codec
3561:for codecs
3508:Daubechies
3483:Transforms
3385:Arithmetic
3052:Containers
2757:True Audio
2601:(GY/T 363)
2319:MPEG-4 DST
2314:MPEG-4 SLS
2309:MPEG-4 ALS
2183:SheerVideo
2157:QuickTime
1985:TrueMotion
1751:Multimedia
1651:2018-01-13
1626:2018-01-13
1601:2018-01-13
1571:1602.04845
1518:2009-09-22
1495:13 October
1427:5 November
1190:2019-10-20
940:References
885:RealPlayer
868:MPEG-4 SLS
267:sound card
181:used by a
179:algorithms
143:audio file
3310:RealMedia
2912:JPEG 2000
2715:RealAudio
2695:OptimFROG
2173:RealVideo
2161:Animation
2131:OMS Video
1758:container
1177:149806273
1132:1932-8346
1054:0005-8580
874:OptimFROG
752:(used in
746:(LD-CELP)
680:Unknown
656:Unknown
620:Unknown
596:Unknown
521:Unknown
458:Unknown
363:K. R. Rao
333:Bell Labs
297:in 1973.
295:Bell Labs
275:Bell Labs
273:In 1950,
128:standards
3573:Category
3429:Lossless
3395:Modified
3288:Matroska
3167:Matroska
3078:MPEG-PES
2690:Musepack
2587:AVS1 P10
2166:Graphics
2116:Lagarith
1420:Bitmovin
1395:Archived
1262:58446992
913:See also
688:Musepack
606:(ADPCM)
281:(DPCM).
253:(CDDA).
199:lossless
151:metadata
126:de facto
3503:Wavelet
3444:DEFLATE
3390:Huffman
3380:Entropy
3372:Methods
3357:MPEG LA
3246:Smacker
3134:H.222.0
3090:MPEG-TS
3085:MPEG-PS
3073:MPEG-ES
2957:TIFF/IT
2952:TIFF/EP
2937:JPEG XT
2932:JPEG XS
2927:JPEG XR
2922:JPEG XL
2917:JPEG-LS
2798:aptX HD
2778:WavPack
2720:RTAudio
2660:Codec 2
2593:AVS2 P3
2520:GSM-EFR
2490:AMR-WB+
2424:G.729.1
2404:G.723.1
2394:G.722.2
2389:G.722.1
2188:Smacker
2178:RTVideo
2106:Huffyuv
2086:Cinepak
2046:AVS2 P2
1760:formats
1591:DAR__KO
1225:14 July
900:WavPack
891:Shorten
818:(ATRAC)
780:(MDCT)
764:Codec 2
740:(RCELP)
734:(ACELP)
431:(AC-3)
425:(MDCT)
390:General
381:(AAC).
257:History
46:) is a
3305:RatDVD
3199:Others
2966:Others
2768:VMR-WB
2763:TwinVQ
2628:Others
2515:GSM-FR
2510:GSM-HR
2500:EVRC-B
2485:AMR-WB
2457:Vorbis
2297:AAC-LD
2292:HE-AAC
2198:Theora
2141:ProRes
2136:Pixlet
2064:Others
1873:MPEG-5
1861:MPEG-I
1849:MPEG-H
1827:MPEG-4
1820:Part 2
1815:MPEG-2
1810:MPEG-1
1707:
1464:897622
1462:
1423:. 2019
1370:897622
1368:
1331:
1260:
1175:
1130:
1084:
1052:
989:
852:(LDCT)
846:(FLAC)
791:(CELT)
784:AAC-LD
728:(CELP)
716:(LPC)
702:Speech
666:(SBC)
532:Vorbis
492:MPEG-4
488:MPEG-2
452:ATRAC
411:(2019)
377:, and
161:, are
78:, and
72:Vorbis
3526:Lists
3471:ADPCM
3466:µ-law
3461:A-law
3434:Lossy
3407:ACELP
3352:NETVC
3177:SMPTE
3139:T.802
3126:ITU-T
3102:(MP4)
2902:JBIG2
2865:ITU-T
2837:Image
2773:VSELP
2750:SVOPC
2740:Siren
2710:RCELP
2705:QCELP
2650:ATRAC
2635:ACELP
2452:Speex
2419:G.729
2414:G.728
2409:G.726
2399:G.723
2384:G.722
2379:G.719
2374:G.718
2367:µ-law
2362:A-law
2357:G.711
2349:ITU-T
2237:Audio
2111:Indeo
2091:Daala
1947:SMPTE
1922:H.263
1917:H.262
1912:H.261
1907:H.120
1895:ITU-T
1800:MJPEG
1767:Video
1646:AVHub
1621:AVHub
1566:arXiv
1543:(PDF)
1482:(PDF)
1460:S2CID
1415:(PDF)
1398:(PDF)
1391:(PDF)
1366:S2CID
1258:S2CID
1214:(PDF)
1184:(PDF)
1173:S2CID
1153:(PDF)
1106:(PDF)
893:(SHN)
881:(OSQ)
858:(MLP)
830:(DST)
770:Speex
722:(APC)
695:1997
677:1993
653:2014
635:1990
617:1989
614:aptX
593:2015
590:LDAC
575:2012
572:Opus
557:2011
554:CELT
539:2000
518:1999
500:1997
473:1993
455:1992
437:1991
203:lossy
183:codec
163:hacks
3553:See
3498:MDCT
3476:DPCM
3422:WLPC
3412:CELP
3315:RIFF
3293:WebM
3283:M2TS
3273:HEIF
3241:Bink
3221:AIFF
3149:IETF
3038:WebP
3033:WBMP
3028:QTVR
3008:ICER
3003:FLIF
2993:DjVu
2983:AVIF
2973:APNG
2947:TIFF
2907:JPEG
2897:JBIG
2892:HEVC
2869:JPEG
2856:IETF
2823:LLAC
2818:LHDC
2813:LDAC
2793:aptX
2754:TTA
2735:SILK
2675:MELP
2670:Lyra
2665:iSAC
2655:CELT
2645:Asao
2640:ALAC
2618:ExAC
2613:L2HC
2543:AC-4
2538:AC-3
2530:ETSI
2495:EVRC
2472:3GPP
2462:FLAC
2447:iLBC
2442:Opus
2434:IETF
2257:MPEG
2223:YULS
2203:Thor
2151:4444
2101:FFV1
2081:Bink
1975:VC-6
1970:VC-5
1965:VC-3
1960:VC-2
1955:VC-1
1899:VCEG
1787:MPEG
1756:and
1705:ISBN
1680:2019
1497:2019
1429:2019
1329:ISBN
1227:2019
1161:C-23
1128:ISSN
1082:ISBN
1050:ISSN
795:Opus
758:3GPP
756:and
692:MPC
674:MP2
650:MQA
638:14%
632:DTS
586:LDAC
568:Opus
536:Ogg
515:WMA
503:88%
497:AAC
476:49%
470:MP3
440:58%
434:AC3
347:and
327:and
289:and
235:and
233:FLAC
216:and
94:LAME
80:Opus
76:FLAC
3513:DWT
3493:FFT
3488:DCT
3456:PCM
3449:LZW
3417:LSP
3402:LPC
3320:WAV
3278:IFF
3263:EVO
3253:BMP
3236:BPG
3226:AVI
3216:ASF
3211:AMV
3190:MXF
3185:GXF
3162:Ogg
3157:RTP
3065:IEC
3061:ISO
3023:QOI
3018:PGF
3013:MNG
2998:EXR
2988:BPG
2978:AV1
2942:PNG
2882:GIF
2861:W3C
2852:ISO
2848:IEC
2788:MQA
2783:WMA
2745:SMV
2730:SHN
2725:SD2
2700:OSQ
2685:MT9
2607:DRA
2571:LC3
2566:SBC
2548:DTS
2505:EVS
2480:AMR
2287:AAC
2252:IEC
2248:ISO
2218:XEB
2213:WMV
2146:422
2096:DVI
2076:AVS
2024:AV1
2019:VP9
2014:VP8
2009:VP7
2004:VP6
1999:VP3
1782:IEC
1778:ISO
1452:doi
1358:doi
1289:doi
1250:doi
1165:doi
1118:doi
1042:doi
1015:doi
754:GSM
578:8%
542:7%
529:Ogg
416:Ref
375:MP3
349:AAC
345:MP3
331:at
293:at
214:MP3
159:ID3
155:MP3
139:AAC
115:as
98:MP3
68:AAC
64:MP3
38:An
3575::
3439:LZ
3231:AU
3063:,
2867:,
2863:,
2858:,
2854:,
2850:,
2250:,
2208:Ut
1897:,
1795:DV
1784:,
1780:,
1699:.
1668:.
1644:.
1619:.
1589:.
1564:.
1538:.
1490:60
1488:.
1484:.
1458:.
1448:19
1446:.
1417:.
1393:.
1378:^
1364:.
1354:19
1352:.
1323:.
1301:^
1285:34
1283:.
1279:.
1256:.
1244:.
1216:.
1199:^
1171:.
1159:.
1155:.
1126:.
1112:.
1108:.
1076:.
1062:^
1048:.
1038:52
1036:.
1011:52
1009:.
1005:.
560:—
494:)
490:/
373:,
351:.
197:A
174:.
74:,
70:,
66:,
58:,
2254:,
1743:e
1736:t
1729:v
1713:.
1682:.
1654:.
1629:.
1604:.
1574:.
1568::
1545:.
1521:.
1499:.
1466:.
1454::
1431:.
1372:.
1360::
1337:.
1295:.
1291::
1264:.
1252::
1229:.
1193:.
1167::
1134:.
1120::
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1090:.
1056:.
1044::
1021:.
1017::
971:.
760:)
486:(
315:(
20:)
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