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. 798-9979
Mfr. Part No.ADV7280WBCPZ-M
HK$103.41
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. 819-7238
Mfr. Part No.ADV7180WBCPZ
HK$119.90
Each
units
- Video Decoder IC - - Single Surface Mount - - LFCSP VQ - 40 - 1.8 V, 3.3 V 6.1 x 6.1 x 0.95mm
New
RS Stock No. 197-2544
Mfr. Part No.TW9910-NB2-GR
HK$42.392
Each (In a Tray of 260)
units
- - - - - - - - - - - - - -
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. 709-9142
Mfr. Part No.TLV320AIC3204IRHBT
HK$49.51
Each
units
- Audio Codec IC Stereo - Single Surface Mount 3 2 QFN Serial-I2C, Serial-SPI 32 2 1.8 V, 2.5 V, 3.3 V 5 x 5 x 0.9mm
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. 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. 145-7115
Mfr. Part No.TLV320AIC23BIPW
HK$73.944
Each (In a Tube of 50)
units
- Audio Codec IC 2 - Single Surface Mount 3 4 TSSOP SPI 28 2 1.5 V, 3.3 V 9.7 x 4.4 x 1.15mm
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. 169-0508
Mfr. Part No.BH7236AF-E2
BrandROHM
HK$24.329
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. 169-8391
Mfr. Part No.CS42526-CQZ
HK$73.688
Each (In a Tube of 160)
units
- Audio Codec IC 2 - Single Surface Mount 2 6 LQFP SPI 64 6 5 V 10.1 x 10.1 x 1.45mm
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. 662-5419
Mfr. Part No.TFP403PZP
HK$102.16
Each
units
- Video Decoder IC - - Single Surface Mount - - HTQFP - 100 - 3.3 V 14 x 14 x 1mm
RS Stock No. 814-3893
Mfr. Part No.SN74AVC6T622PWR
HK$10.689
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. 796-1176
Mfr. Part No.LC89091JA-H
HK$17.472
Each (In a Pack of 5)
units
- Audio Decoder IC 5 - Single Surface Mount - 1 SSOP I2C 16 1 3 → 3.6 V 5.2 x 4.4 x 1.3mm
RS Stock No. 191-4888
Mfr. Part No.MAX3816ACUE+
HK$35.165
Each (In a Pack of 2)
units
- Video Encoder & Decoder IC - - Single Surface Mount - - TSSOP - 16 1 3 to 5.5 V 5.1 x 4.5 x 0.95mm
RS Stock No. 922-2785
Mfr. Part No.TFP401APZP
HK$64.519
Each (In a Tray of 90)
units
- Video Decoder IC - - Single Surface Mount - - HTQFP - 100 - 3.3 V 14 x 14 x 1mm
RS Stock No. 820-9422
Mfr. Part No.ADV7280KCPZ
HK$94.88
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. 700-3371
Mfr. Part No.BH7236AF-E2
BrandROHM
HK$36.06
Each
units
- Video Encoder IC - - Single Surface Mount - - SOP - 24 - 5 V 15 x 5.4 x 1.69mm
RS Stock No. 922-2757
Mfr. Part No.PCM2904DB
HK$100.647
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