Best quality given a maximum bit rate
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United States of America Patent
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May 17, 2016
Grant Date -
May 8, 2014
app pub date -
Jun 23, 2011
filing date -
Jun 23, 2011
priority date (Note) -
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Abstract
The present invention relates to flow control of a digital data stream that is to be transmitted with limited bit rate. The present invention provides a mix between CQ and CB. This in order to, in real time, ensure best possible quality of a data stream given a maximum available band with. This is useful both when saving a data stream to a data storage with a limited size and when playing the data stream in real time. In particular the invention relates to a method for flow control of a digital data stream that is to be sent with a limited transmission bit rate R. The method comprises encoding each data frame of a digital data stream into an encoded data frame comprising n quality layers and thereafter balancing the output of the encoder in order to achieve a constant bit rate on the output. The invention also relates to a corresponding data recorder and computer program.
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