IEC 62481-9:2017(E) specifies guidelines for the DLNA Adaptive Delivery using HTTP protocol. The DLNA interoperability guidelines for Adaptive Delivery are based on ISO/IEC 23009-1:2014standard and enables content authors to describe content in timed segments at various bit rates and media formats. Client rendering devices can select the appropriate timed segments (e.g. bit rate) based on network congestion to maintain smooth streaming of content for display.
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