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50:. The objective of the algorithm is to represent the high-fidelity audio signal with a minimum number of bits while retaining quality. This can effectively reduce the storage space and the
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In hardware, audio codec refers to a single device that encodes analog audio as digital signals and decodes digital back into analog. In other words, it contains both an
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42:) that encodes or decodes audio. In software, an audio codec is a computer program implementing an algorithm that
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that support both audio in and out, for instance. Hardware audio codecs send and receive digital data using
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required for transmission of the stored audio file. Most software codecs are implemented as
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is a device or computer program capable of encoding or decoding a digital data stream (a
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Device or program that encodes/decodes audio data in some bitstream format
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was created from a revision of this article dated 3 April 2016
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digital audio data according to a given audio file or streaming media
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62:. Most modern audio compression algorithms are based on
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295:. Ubuntu Documentation Team. Archived from
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293:"Ubuntu Documentation - What is a codec?"
109:, etc. Most commonly the digital data is
196:, and does not reflect subsequent edits.
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127:Comparison of audio coding formats
64:modified discrete cosine transform
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58:which interface to one or more
2027:Error detection and correction
1:
2100:Comparison of radio systems
249:. About.com. Archived from
81:(DAC) running off the same
79:digital-to-analog converter
75:analog-to-digital converter
44:compresses and decompresses
2146:
2073:International broadcasting
2042:FM extended band in Brazil
1391:Compressed data structures
713:RLE + BWT + MTF + Huffman
381:Asymmetric numeral systems
137:List of open-source codecs
2081:
1927:
1495:
750:Discrete cosine transform
680:LZ77 + Huffman + context
1455:Smallest grammar problem
68:linear predictive coding
2052:Shortwave relay station
1951:Audio signal processing
1396:Compressed suffix array
945:Nyquist–Shannon theorem
1946:Audio data compression
174:
154:Listen to this article
2047:Multipath propagation
1870:MPEG-1 Audio Layer II
1740:Frequency allocations
1615:Frequency allocations
1425:Kolmogorov complexity
1293:Video characteristics
670:LZ77 + Huffman + ANS
173:
2000:Technical (emission)
1515:Compression software
1109:Compression artifact
1065:Psychoacoustic model
299:on February 19, 2012
205:More spoken articles
1505:Compression formats
1144:Texture compression
1139:Standard test image
955:Silence compression
247:"About.com - Codec"
48:audio coding format
1413:Information theory
1268:Display resolution
1094:Chroma subsampling
483:Byte pair encoding
428:Shannon–Fano–Elias
272:"Glossary - Codec"
175:
85:. This is used in
66:(MDCT) coding and
60:multimedia players
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2032:FM broadcast band
1939:Technical (audio)
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1327:Deblocking filter
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16:(Redirected from
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2125:Data compression
2094:Radio portal
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2068:History of radio
2012:AM expanded band
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1812:Commercial radio
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1332:Lapped transform
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1114:Image resolution
1099:Coding tree unit
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345:Data compression
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2007:AM broadcasting
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970:Sub-band coding
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803:Predictive type
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690:LZSS + Huffman
640:LZ77 + Huffman
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475:Dictionary type
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371:Adaptive coding
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274:. Afterdawn.com
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186:This audio file
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117:for telephony.
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874:Psychoacoustic
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742:Transform type
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226:"Using codecs"
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132:List of codecs
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2022:Digital radio
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1566:digital audio
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1298:Video quality
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965:Speech coding
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960:Sound quality
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935:Dynamic range
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700:LZ77 + Range
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37:
36:audio decoder
33:
19:
18:Audio encoder
2130:Audio codecs
2085:
1841:
1569:broadcasting
1471:Hutter Prize
1435:Quantization
1340:Compensation
1134:Quantization
979:
857:Compensation
423:Shannon–Fano
363:Entropy type
301:. Retrieved
297:the original
287:
276:. Retrieved
266:
255:. Retrieved
251:the original
241:
230:. Retrieved
220:
83:clock signal
72:
35:
31:
29:
2017:Cable radio
1960:Technical (
1720:DVB-T2 Lite
1576:Terrestrial
1430:Prefix code
1283:Frame types
1104:Color space
930:Convolution
660:LZ77 + ANS
571:Incremental
544:Other types
463:Levenshtein
228:. Microsoft
147:Video codec
142:Transcoding
87:sound cards
32:audio codec
2119:Categories
1899:DirectBand
1885:Subcarrier
1587:modulation
1487:Mark Adler
1445:Redundancy
1362:Daubechies
1345:Estimation
1278:Frame rate
1200:Daubechies
1160:Chain code
1119:Macroblock
925:Companding
862:Estimation
782:Daubechies
488:Lempel–Ziv
448:Exp-Golomb
376:Arithmetic
303:2009-12-21
278:2009-12-21
257:2009-12-21
232:2009-12-21
212:References
201:Audio help
192:2016-04-03
111:linear PCM
77:(ADC) and
1962:AM stereo
1821:Sirius XM
1814:providers
1733:Satellite
1464:Community
1288:Interlace
674:Zstandard
453:Fibonacci
443:Universal
401:Canonical
56:libraries
52:bandwidth
2061:Cultural
1991:Magnavox
1964:formats)
1914:SCA/SCMO
1909:RDS/RBDS
1712:HD Radio
1702:DRM/DRM+
1697:DAB/DAB+
1450:Symmetry
1418:Timeline
1401:FM-index
1246:Bit rate
1239:Concepts
1087:Concepts
950:Sampling
903:Bit rate
896:Concepts
598:Sequitur
433:Tunstall
406:Modified
396:Adaptive
354:Lossless
203: ·
121:See also
93:such as
1887:signals
1855:AMR-WB+
1707:FMeXtra
1408:Entropy
1357:Wavelet
1336:Motion
1195:Wavelet
1175:Fractal
1170:Deflate
1153:Methods
940:Latency
853:Motion
777:Wavelet
694:LHA/LZH
644:Deflate
593:Re-Pair
588:Grammar
418:Shannon
391:Huffman
347:methods
190: (
161:minutes
95:AC-Link
70:(LPC).
1981:Harris
1976:C-QUAM
1865:HE-AAC
1842:Codecs
1826:Canada
1792:DVB-SH
1766:S band
1761:L band
1747:C band
1671:L band
1562:Analog
1519:codecs
1480:People
1383:Theory
1350:Vector
867:Vector
684:Brotli
634:Hybrid
533:Snappy
386:Golomb
1971:Belar
1797:S-DMB
1787:DAB-S
1692:CAM-D
1605:COFDM
1584:Radio
1310:parts
1308:Codec
1273:Frame
1231:Video
1215:SPIHT
1124:Pixel
1079:Image
1033:ACELP
1004:ADPCM
994:ÎĽ-law
989:A-law
982:parts
980:Codec
888:Audio
827:ACELP
815:ADPCM
792:SPIHT
733:Lossy
717:bzip2
708:LZHAM
664:LZFSE
566:Delta
458:Gamma
438:Unary
413:Range
115:G.711
91:buses
40:codec
34:, or
1919:DARC
1894:AMSS
1875:DRA+
1756:band
1665:high
1564:and
1322:DPCM
1129:PSNR
1060:MDCT
1053:WLPC
1038:CELP
999:DPCM
847:WLPC
832:CELP
810:DPCM
760:MDCT
704:LZMA
605:LDCT
583:DPCM
528:LZWL
518:LZSS
513:LZRW
503:LZJB
1904:PAD
1860:HDC
1850:AAC
1802:SDR
1782:ADR
1716:CDR
1675:UHF
1661:mid
1657:low
1653:VHF
1367:DWT
1317:DCT
1261:VBR
1256:CBR
1251:ABR
1210:EZW
1205:DWT
1190:RLE
1180:KLT
1165:DCT
1048:LSP
1043:LAR
1028:LPC
1021:FFT
918:VBR
913:CBR
908:ABR
842:LSP
837:LAR
822:LPC
787:DWT
772:FFT
767:DST
755:DCT
654:LZS
649:LZX
625:RLE
620:PPM
615:PAQ
610:MTF
578:DMC
556:CTW
551:BWT
523:LZW
508:LZO
498:LZ4
493:842
107:I²C
103:SPI
99:I²S
30:An
2121::
1663:/
1659:/
1647:HF
1643:SW
1637:MF
1633:MW
1627:LF
1623:LW
1600:FM
1595:AM
1185:LP
1016:FT
1009:DM
561:CM
105:,
101:,
97:,
1754:u
1752:K
1677:)
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159:2
156:(
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