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. 802-3629
Mfr. Part No.ADV7441ABSTZ-5P
HK$354.96
Each
units
- Video Decoder IC - - Single Surface Mount - - LQFP - 144 - 1.8 V 20.2 x 20.2 x 1.45mm
RS Stock No. 802-3626
Mfr. Part No.ADV7513BSWZ
HK$121.39
Each
units
DDR, HDMI, ITU656, RGB, SPDIF Stereo LPCM, YCbCr HDMI Transmitter IC 8 - Single Surface Mount - - LQFP - 64 - 1.8 V, 3.3 V 10.2 x 10.2 x 1.45mm
RS Stock No. 708-9899
Mfr. Part No.ADV7181CBSTZ
HK$135.31
Each
units
- Video Decoder IC - - Single Surface Mount - - LQFP - 64 - 1.8 (Digital) V, 3.3 (Analogue) V 10.2 x 10.2 x 1.45mm
RS Stock No. 798-9963
Mfr. Part No.ADV7280BCPZ-M
HK$82.30
Each
units
- Video Decoder IC - - Single Surface Mount - - LFCSP - 32 - 1.71 → 1.89 V 5.1 x 5.1 x 0.75mm
RS Stock No. 807-1681
Mfr. Part No.ADAU1772BCPZ
HK$110.34
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. 697-7537
Mfr. Part No.ADAU1361BCPZ
HK$84.36
Each
units
- Audio Codec IC Stereo - Single Surface Mount 3 4 LFCSP Serial-I2C, Serial-SPI 32 2 - 5 x 5 x 0.83mm
RS Stock No. 809-9137
Mfr. Part No.AD9862BSTZ
HK$474.85
Each
units
- Signal Front End IC - - Single Surface Mount - - LQFP - 128 - - 14 x 20 x 1.45mm
RS Stock No. 697-7546
Mfr. Part No.ADAU1761BCPZ
HK$109.81
Each
units
- Audio Codec IC Stereo - Single Surface Mount 3 4 LFCSP Serial-I2C, Serial-SPI 32 2 1.5 V, 3.3 V 5 x 5 x 0.83mm
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
RS Stock No. 877-9265
Mfr. Part No.ADV7802BSTZ-80
HK$260.24
Each
units
- - - - Single Surface Mount - - LQFP - 176 - 1.8 (Digital) V, 3.3 (Analogue) V 24.2 x 24.2 x 1.45mm
RS Stock No. 697-7928
Mfr. Part No.ADV7180BCPZ
HK$104.35
Each
units
- Video Decoder IC - - Single Surface Mount - - LFCSP - 40 - 3.3 V 6 x 6 x 0.83mm
RS Stock No. 538-6006
Mfr. Part No.AD1836AASZ
HK$179.79
Each
units
- Audio Codec IC Stereo - Single Surface Mount 2 4 MQFP SPI 52 3 3.3 V, 5 V 10 x 10 x 2mm
RS Stock No. 819-7240
Mfr. Part No.ADV7282WBCPZ-M
HK$126.42
Each
units
- Video Decoder IC - - Single Surface Mount - - LFCSP WQ - 32 - 1.8 V, 3.3 V 5.1 x 5.1 x 0.75mm
RS Stock No. 708-9902
Mfr. Part No.ADV7184BSTZ
HK$178.53
Each
units
- Video Decoder IC - - Single Surface Mount - - LQFP - 80 - 3.3 V 14 x 14 x 1.4mm
RS Stock No. 912-8113
Mfr. Part No.ADV7612BSWZ
HK$97.901
Each (In a Tray of 90)
units
DSD, DST, HBR, HDMI, PCM, SPDIF HDMI Transmitter IC - - Single Surface Mount - - LQFP - 100 - 1.8 V, 3.3 V 14.2 x 14.2 x 1.45mm
RS Stock No. 697-7912
Mfr. Part No.ADV7173KSTZ
HK$117.71
Each
units
- Video Encoder IC - - Single Surface Mount - - LQFP - 48 6 3.3 V, 5 V 7 x 7 x 1.4mm
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. 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. 802-3638
Mfr. Part No.ADV7612BSWZ
HK$164.15
Each
units
- - - - - Surface Mount - - LQFP - 100 - - 14.2 x 14.2 x 1.45mm
RS Stock No. 709-6266
Mfr. Part No.AD724JRZ
HK$136.61
Each
units
- Video Encoder IC - - - Surface Mount - - SOIC W - 16 - - 10.5 x 7.6 x 2.35mm