Audio Codecs

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Part	Manufacturer	Telecom IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Nominal Negative Supply Voltage	Operating Mode	Maximum Supply Current	Nominal Supply Voltage	Hybrid	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Maximum Gain Tolerance	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Linear Coding	Width	Qualification	Companding Law	Additional Features	Battery Feed	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Filter
PEB2265	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		5 V			FLATPACK			.8 mm	70 Cel	0 Cel			QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PSB2160A2N	Infineon Technologies	PCM CODEC	OTHER	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	-5 V			5 V		+-5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	70 Cel	-25 Cel		Tin/Lead (Sn/Pb)	QUAD	R-PQCC-J28			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PEB2266-H	Infineon Technologies	PROGRAMMABLE CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.03 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel	.25 dB	TIN LEAD	QUAD	S-PQFP-G64		2.45 mm	NOT AVAILABLE	14 mm	Not Qualified	A/MU-LAW			e0			14 mm	YES
PEF2260-N	Infineon Technologies	PCM CODEC	INDUSTRIAL	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	-5 V	SYNCHRONOUS	.037 mA	5 V		+-5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	85 Cel	-40 Cel	.2 dB	TIN LEAD	QUAD	R-PQCC-J28		3.8 mm	NOT AVAILABLE	8.95 mm	Not Qualified	A/MU-LAW			e0			14.05 mm	YES
PSB2163-N	Infineon Technologies	PCM CODEC	COMMERCIAL	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	BICMOS			.025 mA	5 V		5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	70 Cel	0 Cel	.25 dB	TIN LEAD	QUAD	R-PQCC-J28		3.8 mm	16-BIT	8.95 mm	Not Qualified	A/MU-LAW			e0			14.05 mm	YES
PEB3264-2	Infineon Technologies	PCM CODEC	INDUSTRIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.07 mA	3.3 V	2-4 CONVERSION	3.3	FLATPACK	QFP64,.66SQ,32	Analog Transmission Interfaces	.8 mm	85 Cel	-40 Cel		TIN LEAD	QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW		RESISTIVE	e0			14 mm	YES
PSB2165-N	Infineon Technologies	PCM CODEC	OTHER	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS				5 V		5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	70 Cel	-25 Cel		Tin/Lead (Sn/Pb)	QUAD	R-PQCC-J28		3.8 mm	16-BIT	8.95 mm	Not Qualified	A/MU-LAW			e0			14.05 mm	YES
PEB2465HV2.3	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	4	CMOS		SYNCHRONOUS		5 V			FLATPACK			.8 mm	70 Cel	0 Cel			QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PSB2161	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BICMOS			.037 mA	5 V		5	SMALL OUTLINE	SOP20,.4	Codecs	1.27 mm	70 Cel	0 Cel		TIN LEAD	DUAL	R-PDSO-G28		2.54 mm	16-BIT	8.9 mm	Not Qualified	A/MU-LAW			e0			18.3 mm	YES
PEB2466-HV1.2	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	4	CMOS		SYNCHRONOUS		5 V			FLATPACK			.8 mm	70 Cel	0 Cel			QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PEB2465-H	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	40 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel		Tin/Lead (Sn/Pb)	QUAD	S-PQFP-G64		2.45 mm	NOT AVAILABLE	14 mm	Not Qualified	A/MU-LAW			e0			14 mm	YES
PSB2161T	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	BICMOS		SYNCHRONOUS		5 V			SMALL OUTLINE			1.27 mm	70 Cel	0 Cel			DUAL	R-PDSO-G28		2.65 mm		7.6 mm	Not Qualified	A/MU-LAW						18.1 mm	YES
PSB2160C	Infineon Technologies	PCM CODEC	OTHER	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC	NO	1	CMOS	-5 V		30 mA	5 V		+-5	IN-LINE	DIP24,.6	Codecs	2.54 mm	70 Cel	-25 Cel	25 dB	Tin/Lead (Sn/Pb)	DUAL	R-XDIP-T24			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PEB2466-H	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS			.04 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel			QUAD	S-PQFP-G64			NOT AVAILABLE		Not Qualified	A/MU-LAW							YES
PEB3268	Infineon Technologies	PCM CODEC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS	-5 V		30 mA	5 V		+-5	CHIP CARRIER	LDCC44,.7SQ	Codecs	1.27 mm	85 Cel	-40 Cel		Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PSB2165-P	Infineon Technologies	PCM CODEC		THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1					5 V			IN-LINE								DUAL	R-PDIP-T28					Not Qualified	A/MU-LAW							YES
PSB2160A2P	Infineon Technologies	PCM CODEC	OTHER	THROUGH-HOLE	22	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	-5 V			5 V		+-5	IN-LINE	DIP22,.3	Codecs	2.54 mm	70 Cel	-25 Cel		Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T22			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PEF3065-N	Infineon Technologies	PCM CODEC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS	-5 V		.044 mA	5 V		+-5	CHIP CARRIER	LDCC44,.7SQ	Codecs	1.27 mm	85 Cel	-40 Cel		Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44		4.57 mm	NOT AVAILABLE	16.6 mm	Not Qualified	A/MU-LAW			e0			16.6 mm	YES
PSB7230	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	100	LFQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.091 mA	3.3 V		3.3,5	FLATPACK, LOW PROFILE, FINE PITCH	QFP100,.63SQ,20	Other Telecom ICs	.5 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQFP-G100		1.6 mm		14 mm	Not Qualified	A/MU-LAW	IT ALSO REQUIRES 5V SUPPLY		e0			14 mm	NO
PEF2266-H	Infineon Technologies	PROGRAMMABLE CODEC	INDUSTRIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.03 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	85 Cel	-40 Cel	.25 dB	TIN LEAD	QUAD	S-PQFP-G64		2.45 mm	NOT AVAILABLE	14 mm	Not Qualified	A/MU-LAW			e0			14 mm	YES
PEB7274	Infineon Technologies	ADPCM CODEC	COMMERCIAL	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	4	CMOS		SYNCHRONOUS		5 V		5	FLATPACK	QFP44,.5SQ,32	Other Telecom ICs	.8 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQFP-G44		2.45 mm		10 mm	Not Qualified	A/MU-LAW			e0			10 mm	YES
Q7101-H6615	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1			SYNCHRONOUS	40 mA	5 V			FLATPACK			.8 mm	70 Cel	0 Cel			QUAD	S-PQFP-G64		2.54 mm		14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PEB3265FV1.5	Infineon Technologies	PCM CODEC	INDUSTRIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		3.3 V			FLATPACK			.8 mm	85 Cel	-40 Cel		MATTE TIN	QUAD	S-PQFP-G64	3	2.45 mm		14 mm		A/MU-LAW			e3		240	14 mm	YES
PEB3065-N	Infineon Technologies	PCM CODEC	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS	-5 V		.044 mA	5 V		+-5	CHIP CARRIER	LDCC44,.7SQ	Codecs	1.27 mm	70 Cel	0 Cel		Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44		4.57 mm	NOT AVAILABLE	16.6 mm	Not Qualified	A/MU-LAW			e0			16.6 mm	YES
PSF2132H	Infineon Technologies	PROGRAMMABLE CODEC		GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	2			SYNCHRONOUS		5 V			FLATPACK			.8 mm					QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PSB2134H	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.04 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel	95 dB		QUAD	S-PQFP-G64		2.45 mm	NOT AVAILABLE	14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PEF7274	Infineon Technologies	ADPCM CODEC	INDUSTRIAL	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	4	CMOS		SYNCHRONOUS		5 V		5	FLATPACK	QFP44,.5SQ,32	Other Telecom ICs	.8 mm	85 Cel	-40 Cel		TIN LEAD	QUAD	S-PQFP-G44		2.45 mm		10 mm	Not Qualified	A/MU-LAW			e0			10 mm	YES
PSB2160-N	Infineon Technologies	PCM CODEC	OTHER	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	-5 V		28 mA	5 V		+-5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	70 Cel	-25 Cel		Tin/Lead (Sn/Pb)	QUAD	R-PQCC-J28			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PEB2265H	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	2	CMOS			40 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel	.25 dB	Tin/Lead (Sn/Pb)	QUAD	S-PQFP-G64			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PEF3065NV3.2	Infineon Technologies	PCM CODEC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS	-5 V	SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	85 Cel	-40 Cel			QUAD	S-PQCC-J44		4.57 mm		16.6 mm	Not Qualified	A/MU-LAW						16.6 mm	YES
PSB2165-H6460	Infineon Technologies	PCM CODEC	COMMERCIAL EXTENDED	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			ASYNCHRONOUS	25 mA	5 V			IN-LINE			2.54 mm	80 Cel	-35 Cel			DUAL	R-PDIP-T28		4.6 mm		15.24 mm	Not Qualified	A/MU-LAW						35.9 mm	YES
PEB2260-N	Infineon Technologies	PCM CODEC	COMMERCIAL	J BEND	28	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1	CMOS	-5 V	SYNCHRONOUS	.028 mA	5 V		+-5	CHIP CARRIER	LDCC28,.4X.6	Codecs	1.27 mm	70 Cel	0 Cel	.2 dB	TIN LEAD	QUAD	R-PQCC-J28		3.8 mm	NOT AVAILABLE	8.95 mm	Not Qualified	A/MU-LAW			e0			14.05 mm	YES
PEB3065NV3.2	Infineon Technologies	PCM CODEC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BICMOS	-5 V	SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	85 Cel	-40 Cel			QUAD	S-PQCC-J44		4.57 mm		16.6 mm	Not Qualified	A/MU-LAW						16.6 mm	YES
PSB7238	Infineon Technologies	PCM CODEC	COMMERCIAL	GULL WING	100	LFQFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.091 mA	3.3 V		3.3,5	FLATPACK, LOW PROFILE, FINE PITCH	QFP100,.63SQ,20	Other Telecom ICs	.5 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQFP-G100		1.6 mm		14 mm	Not Qualified	A/MU-LAW	IT ALSO REQUIRES 5V SUPPLY		e0			14 mm	NO
PSB2132H	Infineon Technologies	PROGRAMMABLE CODEC	COMMERCIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.03 mA	5 V		5	FLATPACK	QFP64,.66SQ,32	Codecs	.8 mm	70 Cel	0 Cel	95 dB		QUAD	S-PQFP-G64		2.45 mm	NOT AVAILABLE	14 mm	Not Qualified	A/MU-LAW						14 mm	YES
PEB3265	Infineon Technologies	PCM CODEC	INDUSTRIAL	GULL WING	64	QFP	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS	.09 mA	3.3 V	2-4 CONVERSION	3.3	FLATPACK	QFP64,.66SQ,32	Analog Transmission Interfaces	.8 mm	85 Cel	-40 Cel			QUAD	S-PQFP-G64		2.45 mm		14 mm	Not Qualified	A/MU-LAW		RESISTIVE				14 mm	YES
PEB2060	Infineon Technologies	PCM CODEC	COMMERCIAL	THROUGH-HOLE	22	DIP	RECTANGULAR		NO	1	CMOS	-5 V		28 mA	5 V		+-5	IN-LINE	DIP22,.4	Codecs	2.54 mm	70 Cel	0 Cel	.2 dB	Tin/Lead (Sn/Pb)	DUAL	R-XDIP-T22			NOT AVAILABLE		Not Qualified	A/MU-LAW			e0				YES
PSB2163-P	Infineon Technologies	PCM CODEC	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	BICMOS			.025 mA	5 V		5	IN-LINE	DIP28,.6	Codecs	2.54 mm	70 Cel	0 Cel	.25 dB	TIN LEAD	DUAL	R-PDIP-T28		4.6 mm	16-BIT	15.24 mm	Not Qualified	A/MU-LAW			e0			35.9 mm	YES
DS2165QL/T&R	Maxim Integrated	ADPCM CODEC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		3 V			CHIP CARRIER			1.27 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm		11.5062 mm	Not Qualified	A/MU-LAW			e0			11.5062 mm	NO
DS2165Q/T&R	Maxim Integrated	ADPCM CODEC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm		11.505 mm	Not Qualified	A/MU-LAW			e0			11.505 mm	NO
DS2165QN/T&R	Maxim Integrated	ADPCM CODEC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1			SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	85 Cel	-40 Cel		TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm		11.5062 mm	Not Qualified	A/MU-LAW			e0			11.5062 mm	NO
DS2164QN	Maxim Integrated	ADPCM CODEC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1			SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	85 Cel	-40 Cel		TIN LEAD	QUAD	S-PQCC-J28		4.57 mm		11.505 mm	Not Qualified	A/MU-LAW			e0			11.505 mm	NO
DS2132	Maxim Integrated	ADPCM CODEC		THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			SYNCHRONOUS					IN-LINE			2.54 mm				TIN LEAD	DUAL	R-PDIP-T28		5.08 mm		15.24 mm	Not Qualified				e0			36.83 mm	NO
DS2164Q	Maxim Integrated	ADPCM CODEC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		5 V		5	CHIP CARRIER	LDCC28,.5SQ	Codecs	1.27 mm	70 Cel	0 Cel		TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm		11.505 mm	Not Qualified	A/MU-LAW			e0		245	11.505 mm	NO
DS2130+	Maxim Integrated	ADPCM CODEC	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1			SYNCHRONOUS		5 V			IN-LINE			2.54 mm	70 Cel	0 Cel		MATTE TIN	DUAL	R-PDIP-T28	1	5.08 mm		15.24 mm	Not Qualified	A/MU-LAW			e3	30	260	32.004 mm	NO
DS2164Q+T&R	Maxim Integrated	ADPCM CODEC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	70 Cel	0 Cel		MATTE TIN	QUAD	S-PQCC-J28	1	4.57 mm		11.505 mm	Not Qualified	A/MU-LAW			e3			11.505 mm	NO
DS2165QL+	Maxim Integrated	ADPCM CODEC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	CMOS		SYNCHRONOUS		3 V			CHIP CARRIER			1.27 mm	70 Cel	0 Cel			QUAD	S-PQCC-J28		4.57 mm		11.505 mm	Not Qualified	A/MU-LAW				NOT SPECIFIED	NOT SPECIFIED	11.505 mm	NO
DS2165QN	Maxim Integrated	ADPCM CODEC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1			SYNCHRONOUS		5 V			CHIP CARRIER			1.27 mm	85 Cel	-40 Cel		TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm		11.505 mm	Not Qualified	A/MU-LAW			e0			11.505 mm	NO

Audio Codecs

Audio codecs are hardware or software components used to encode and decode digital audio signals. They are commonly used in a variety of applications, such as music production, voice communication, and digital audio broadcasting.

Audio codecs typically use a mathematical algorithm to convert analog audio signals into digital form, and vice versa. They can also compress and decompress digital audio signals to reduce their size and increase transmission efficiency.

Some common types of audio codecs include:

1. Pulse Code Modulation (PCM): This is a standard method of digitally representing analog audio signals. It samples the audio signal at regular intervals and records the amplitude of each sample as a binary number.

2. Adaptive Differential Pulse Code Modulation (ADPCM): This is a type of audio compression that reduces the size of digital audio files by removing redundant information. It achieves this by recording only the differences between adjacent samples, rather than recording each sample individually.

3. MPEG Audio Codecs: These are a family of audio compression algorithms developed by the Moving Picture Experts Group. They are commonly used in digital audio broadcasting and music production.

4. Dolby Digital: This is a popular audio codec used for home theater and digital television systems. It provides high-quality surround sound and is commonly used in DVD and Blu-ray discs.