Latest blog posts

WiFi 5GHz band and wide channels

On 5GHz WiFi there are more channels and less interference, both are important for fast wireless communications. The bandwidth can […]

Safaricom Digital TV & Internet Box

The new generation smart STB is a multi-functional appliance integrating traditional broadcasting content (DVB-T2), high-quality OTT content delivery, game console […]

IEEE 802.11 Wi-Fi protocol

IEEE 802.11 Wi-Fi protocol summary Protocol Frequency Channel Width MIMO Maximum data rate (theoretical) 802.11ac wave2 5 GHz 80, 80+80, […]

Intel QSV – Hardware Accelerated Video

Coffee Lake (Gen9.5) Hardware Accelerated Video Capabilities Codec Encode Decode Profiles Levels Max Resolution Profiles Levels Max Resolution MPEG-2 (H.262) […]

NVIDIA – Hardware Accelerated Video

NVENC - Hardware-Accelerated Video Encoding GPU H.264 (AVCHD) YUV 4:2:0 H.264 (AVCHD) YUV 4:4:4 H.264 (AVCHD) LOSSLESS H.265 (HEVC) YUV 4:2:0 H.265 (HEVC) […]

HEVC (High Efficiency Video Coding) Implementation

On August 5, 2015, Intel launched Skylake products with full fixed function Main/8bit decoding/encoding and hybrid/partial Main10/10bit decoding. On August […]


Latest code posts

Samba Server share – Ubuntu 18.04

Samba has its own user management system. However, any user existing on the samba user list must also exist within […]

Intel QSV encoding – Coffee Lake

The QSV encoder doesn’t have a parameter called CRF. The equivalent ratecontrol method is LA_ICQ. look_ahead should be 1. global_quality […]

Postfix relayhost SMTP – Ubuntu 18.04

You can configure Postfix MTA to use as a Smarthost i.e. routing all mails to a smarthost. A smarthost can […]

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