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. 716-5845
Mfr. Part No.CS42526-CQZ
SGD15.69
Each
units
- Audio Codec IC Stereo - Single Surface Mount 2 6 LQFP SPI 64 6 5 V 10.1 x 10.1 x 1.45mm
RS Stock No. 191-4744
Mfr. Part No.MAX9880AETM+
SGD4.352
Each (In a Pack of 5)
units
- Audio Codec IC 2 (ADC), 2 (DAC) - Single Surface Mount 2 2 TQFN - 48 2 1.8 V 6.1 x 6.1 x 0.75mm
RS Stock No. 814-3893
Mfr. Part No.SN74AVC6T622PWR
SGD2.069
Each (In a Pack of 10)
units
- Audio & Video Encoder and Decoder IC 6 - Single Surface Mount - - TSSOP - 20 - 1.2 V 6.6 x 4.5 x 1.05mm
RS Stock No. 190-4756
Mfr. Part No.MAX98089ETN+T
SGD4.207
Each (On a Reel of 2500)
units
- Audio Codec IC 2 (ADC), 2 (DAC) - Single - 3 - TQFN - 56 2 1.8 V 7.1 x 7.1 x 0.75mm
New
RS Stock No. 197-2545
Mfr. Part No.TW9910-NB2-GR
SGD10.69
Each (In a Pack of 2)
units
- - - - - - - - - - - - - -
RS Stock No. 922-2757
Mfr. Part No.PCM2904DB
SGD16.349
Each (In a Tube of 47)
units
- Audio Codec IC 2 - 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. 809-9137
Mfr. Part No.AD9862BSTZ
SGD88.09
Each
units
- Signal Front End IC - - Single Surface Mount - - LQFP - 128 - - 14 x 20 x 1.45mm
RS Stock No. 169-0508
Mfr. Part No.BH7236AF-E2
BrandROHM
SGD4.08
Each (On a Reel of 2000)
units
- Video Encoder IC - - Single Surface Mount - - SOP - 24 - 5 V 15 x 5.4 x 1.69mm
RS Stock No. 820-9422
Mfr. Part No.ADV7280KCPZ
SGD15.46
Each
units
- Video Decoder IC - - Single Surface Mount - - LFCSP WQ - 32 - 1.8 (Analogue/Digital) V, 3.3 (Digital I/O) V 5.1 x 5.1 x 0.75mm
RS Stock No. 162-7258
Mfr. Part No.GS2961-IBE3
BrandGennum
SGD112.387
Each (In a Tray of 168)
units
- Video Decoder IC - - Single Surface Mount - - BGA - 100 - 1.2 V, 1.8 V, 3.3 V 11 x 11 x 10.7mm
RS Stock No. 190-4757
Mfr. Part No.MAX98090AETL+
SGD7.123
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