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Blogs 2017-02-23T01:12:05+00:00

Book Excerpt: VBV Buffer Explained

By | May 21st, 2016|Categories: Blogs|

One of the topics I'm addressing in my upcoming book is the VBR rate control model, a very complicated concept. Here's the section in the book, which I'm making available for comments, corrections, and clarifications. ...Read more

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The Four Pillars of Video Encoding

By | May 15th, 2016|Categories: Blogs|

 Figure 1. The four critical aspects to consider when encoding a file.Executive Summary: While video quality is always top of mind, consider deliverability, compatibility, and playability before finalizing your encoding presets. Too often we look at ...Read more

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Encoding Brief: Apple Releases HLS Authoring Specification for Apple TV

By | March 30th, 2016|Categories: Blogs|Tags: |

Executive Summary: In October 2015, Apple released a  document entitled HLS Authoring Specifications for Apple TV (HLS stands for HTTP Live Streaming, the adaptive bit rate technology used to deliver video to Apple TV and ...Read more

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Netflix Admits to Throttling AT&T and Verizon Cellular Movies

By | March 29th, 2016|Categories: Blogs|

Last week, Netflix admitted that they artificially throttle the data rate of videos transmitted over AT&T and Verizon cellular networks to limit bandwidth consumption and the associated overage charges. Netflix doesn't throttle video streams transmitted ...Read more

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Editing Technique: Restoring A/V Sync in Premiere Pro

By | February 22nd, 2016|Categories: Blogs|

Executive Summary: A common problem with footage created using iPhones, screencam tools, Wirecast, and Skype is a loss of A/V sync when importing the video into Premiere Pro. This video tutorial presents a simple fix ...Read more

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Encoding Brief: The Benefit of B-frames

By | February 15th, 2016|Categories: Blogs|Tags: |

Executive Summary: B-frames increase compression efficiency, particularly at lower bitrates. However, not all video encoders deliver the requested number of B-frames when encoding using default parameters. Telestream Switch is a software program that identifies B-frames ...Read more

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Encoding Brief: The Benefit of B-frames

By | February 15th, 2016|Categories: Blogs|Tags: |

Executive Summary: B-frames increase compression efficiency, particularly at lower bitrates. However, not all video encoders deliver the requested number of B-frames when encoding using default parameters. Telestream Switch is a software program that identifies B-frames ...Read more

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Preliminary Survey Results – CBR, VBR and Capped CRF – $100 Amazon Gift Card Incentive

By | January 20th, 2016|Categories: Blogs|

On January 13th, 2016, I launched a survey to determine the bitrate control techniques most commonly used by streaming producers. Some preliminary results are in, but the number of respondents is too small to draw any ...Read more

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