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Codec acceleration
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Codec acceleration describes computer hardware that offloads the computationally intensive compression or decompression. This allows, for instance, a mobile phone to decode what would generally be a very difficult, and expensive video to decode it with no stuttering, and using less battery life than un-accelerated decoding would have taken. Similar acceleration is used on a broad variety of other appliances and computers for similar reasons. What could take a general purpose processor 100 Watts to decode on a general purpose processor, could take 10W on a graphics processing unit, and even less on a dedicated hardware codec.
Video codec acceleration
[edit]Video codec acceleration is where video (usually including audio as well) encoding and decoding is accelerated in hardware. Various vendors have developed their own video codec acceleration framework.
| Framework | developed by |
|---|---|
| Nvidia NVDEC | Nvidia |
| Advanced Media Framework | AMD |
| Intel Quick Sync Video | Intel |
Audio codec acceleration
[edit]Audio codec acceleration is where audio encoding and decoding is accelerated in hardware.
See also
[edit]- iDCT
- Motion compensation
- Discrete cosine transform (DCT)
- Quantization
- Variable-length code
- Information theory - Entropy
- DirectX Video Acceleration
- High-Definition Video Processor
- Intel Clear Video
- Intel Quick Sync Video
- Nvidia PureVideo
- Nvidia NVDEC
- Unified Video Decoder
- Video Immersion
- Video Processing Engine