Audio & Video Encoders & Decoders

In order to convert analogue audio and video into digital signals and back again, audio and video encoders and decoders are required. The term codec is a combination of the words 'coder' and 'decoder', and the IC (integrated chip) contains both a digital-to-analogue converter (DAC) and analogue-to-digital converter (ADC.)

What are audio and video encoders and decoders?

Audio encoder and decoder chips are typically used in sound cards with an audio input and output, which means they can be used to both capture speech and allow speaker playback. Whilst video encoders and decoders are high quality converters of digital video data to analogue video data and back again.

How do audio and video encoders and decoders work?

Audio encoders and decoders first digitize an analogue source. It achieves this by transforming a voltage level into a binary representation, commonly known as a pulse code modulation, or PCM. In order for this digital signal to be heard, it must be converted back to analogue. This data conversion is handled by the integrated chips digital-analogue-converter.

Video encoders video signals into a compressed format and a decoder converts compressed video back into an uncompressed format. H.264 codecs which are industry standard are utilised by video encoders and can reduce the raw content data by as much as 1,000 times.

Applications

Audio encoder and decoder chips have a variety of application use such as;

  • Smart Phones
  • Portable Media Players
  • Handheld Gaming Sets
  • Tablets and PCs

Video encoder and decoder chips are widely used in CCTV devices, It enables users to gain the benefits of network video, without having to discard existing analogue equipment such as analogue CCTV cameras and coaxial cabling.


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Description Price Audio/Video Standards IC Type Number of Channels Typical Supply Current Power Supply Type Mounting Type Number of ADC Inputs Number of DAC Outputs Package Type Interface Type Pin Count Number of DACs Typical Operating Supply Voltage Dimensions
RS Stock No. 662-4970
Mfr. Part No.PCM2906DB
HK$151.03
Each
units
- Audio Codec IC Stereo - Single Surface Mount 2 2 SSOP USB 28 1 3.35 V, 5 V 10.2 x 5.3 x 1.95mm
RS Stock No. 819-7042
Mfr. Part No.AD1937WBSTZ
HK$103.41
Each
units
- Audio Codec IC 12 - Single Surface Mount 4 8 LQFP Serial 64 8 3.3 V 10.2 x 10.2 x 1.45mm
RS Stock No. 191-3284
Mfr. Part No.MAX9860ETG+T
HK$12.473
Each (On a Reel of 2500)
units
- Audio Codec IC 1 (DAC), 2 (ADC) - Single - - - TQFN - 24 1 1.8 V 4.1 x 4.1 x 0.75mm
RS Stock No. 191-4004
Mfr. Part No.MAX9406ETM+
HK$34.457
Each (In a Tube of 43)
units
- Video Encoder & Decoder IC - - Single Surface Mount - - QFN-EP - 48 4 3 to 5.5 V 7.1 x 7.1 x 0.75mm
RS Stock No. 807-1681
Mfr. Part No.ADAU1772BCPZ
HK$104.04
Each
units
- Audio Codec IC 2 - Single Surface Mount 4 2 LFCSP Serial-2 Wire, Serial-4 Wire, Serial-I2C, Serial-SPI 40 2 1.8 to 3.3 V 6.1 x 6.1 x 0.75mm
RS Stock No. 190-4757
Mfr. Part No.MAX98090AETL+
HK$45.371
Each (In a Tube of 60)
units
- Audio Codec IC 2 (ADC), 2 (DAC) - Single - - - TQFN - 40 2 1.8 V 5 x 5 x 0.75mm
RS Stock No. 190-0463
Mfr. Part No.MAX9867ETJ+
HK$19.23
Each (In a Pack of 5)
units
- Audio Codec IC 2 - Single Surface Mount 2 2 TQFN Serial-I2C 32 2 1.8 V 5.1 x 5.1 x 0.75mm
RS Stock No. 697-6994
Mfr. Part No.AD725ARZ
HK$102.16
Each
units
- Video Encoder IC - - - Surface Mount - - SOIC W - 16 - - 10.5 x 7.6 x 2.35mm
RS Stock No. 190-5257
Mfr. Part No.MAX9860ETG+
HK$19.866
Each (In a Pack of 5)
units
- Audio Codec IC 1 (DAC), 2 (ADC) - Single - - - TQFN - 24 1 1.8 V 4.1 x 4.1 x 0.75mm
RS Stock No. 190-4758
Mfr. Part No.MAX9860ETG+
HK$16.853
Each (In a Tube of 75)
units
- Audio Codec IC 1 (DAC), 2 (ADC) - Single - - - TQFN - 24 1 1.8 V 4.1 x 4.1 x 0.75mm
RS Stock No. 191-3337
Mfr. Part No.MAX9867ETJ+T
HK$13.209
Each (On a Reel of 2500)
units
- Audio Codec IC 2 (ADC), 2 (DAC) - Single - - - TQFN - 32 2 1.8 V 5 x 5 x 0.75mm
RS Stock No. 819-7048
Mfr. Part No.AD1939WBSTZ
HK$106.65
Each
units
- Audio Codec IC 12 - Single Surface Mount 4 8 LQFP Serial 64 8 3.3 V 10.2 x 10.2 x 1.45mm
RS Stock No. 662-5406
Mfr. Part No.TFP401APZP
HK$76.37
Each
units
- Video Decoder IC - - Single Surface Mount - - HTQFP - 100 - 3.3 V 14 x 14 x 1mm
RS Stock No. 163-2171
Mfr. Part No.LC89091JA-H
HK$14.809
Each (In a Tube of 90)
units
- Audio Decoder IC 5 - Single Surface Mount - 1 SSOP I2C 16 1 3 to 3.6 V 5.2 x 4.4 x 1.3mm
RS Stock No. 759-0651
Mfr. Part No.AD9889BBCPZ-165
HK$108.57
Each
units
S/PDIF HDMI Transmitter IC 8 240mA Single Surface Mount - - LFCSP VQ - 64 - 1.8 V 9 x 9 x 1mm
RS Stock No. 708-9407
Mfr. Part No.ADV7171KSUZ
HK$111.23
Each
units
- Video Encoder IC - - Single Surface Mount - - TQFP - 44 4 3.3 V, 5 V 10 x 10 x 1mm