常見「音訊壓縮」格式

常見「音訊壓縮」格式

音訊壓縮格式		編碼器	公佈	組織	演算法	聲道	精度	位元率	取樣率
							bit	kbps	kHz
無壓	PCM				Pulse Code Modulation
有損	AC3	DD, Dolby TrueHD	1992	Dolby Digital	Dolby Digital (DD), ATSC A/52	2 & 5.1		640
	ATRAC	QMF, PQF + Huffman	1992	SONY	Quadrature Filters	2, 4, 16		48 ~ 352
	DTS (Digital Theater Systems)	DTS 5.1	1991	DTS Inc.	DTS 5.1, 96/24	5.1		1103
	G.711 mu-law			ITU-T	A-law, Mu-law			64	0.05 ~ 7
	G.723 CELP		1988	ITU-T	ACELP, MP-MLQ			5.3, 6.3
	G.726 ADPCM		1990	ITU-T				16 ~ 40	8
	MP2	Xing, CDDA2WAV	1993	ISO/IEC	MPEG-1 Layer 2		32	32 ~ 384	44.1
	MP3	Lame		Fraunhofer IIS	MPEG-1 Layer 3	2	16	32 ~ 320	48
	MPEG-2 AAC (Main, SSR, LC)	DivX, FAAC, FhG, Nero, QTime	1997	AT&T, Dolby, Fraunhofer IIS, Sony	MPEG-2 Layer 7	5.1
	MPEG-4 AAC (Main, SSR, LTP, LD, HE)	DivX, FAAC, FhG, Nero, QTime	2000	AT&T, Dolby, Fraunhofer IIS, Sony	MPEG-4 Part 3 + SBR, PS	5.1	8 ~ 32	400	96
	RealAudio (串流)		1997	Real Networks
	Ogg Vorbis (串流)	Vorbis, OggPCM		Xiph.Org	MDCT		16	16 ~ 128	8 ~ 48
	WMA (串流)	Windows Media Audio codec		微軟	Windows Media Format SDK
無損	ALAC
	APE	Monkey's Audio		Monkey's Audio	APE
	ATRAC Advanced Lossless (AAL)		2005	SONY
	FLAC (Free Lossless Audio Codec) (串流)	FLAC		Xiph.Org	libFLAC		4 ~ 32		1 ~ 655.35