<div dir="ltr">On Fri, Dec 21, 2012 at 7:01 PM, Kieran Kunhya <span dir="ltr"><<a href="mailto:kieran@kunhya.com" target="_blank">kieran@kunhya.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div style="font-size:12pt;font-family:times new roman,new york,times,serif"><div class="im"><div><span style="font-size:12pt">> I would like to ask if max bitrate is determined according to hrd buffersize </span><br>
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<span style="font-size:12pt">Loosely speaking, the max bitrate is your channel capacity, e.g. internet speed of user, bandwidth on satellite multiplex etc.</span></div><div style="font-style:normal;font-size:12pt;background-color:transparent;font-family:'times new roman','new york',times,serif">
<span style="font-size:12pt">Buffer size relates to the amount of buffering the playback device performs. The larger the buffer the larger the wait. The wait can be calculated using</span></div><div style="font-style:normal;font-size:12pt;background-color:transparent;font-family:'times new roman','new york',times,serif">
<span style="font-size:12pt">bufsize/maxrate.</span></div><div style="font-style:normal;font-size:12pt;background-color:transparent;font-family:'times new roman','new york',times,serif"><span style="font-size:12pt"><br>
</span></div><div style="font-style:normal;font-size:16px;background-color:transparent;font-family:'times new roman','new york',times,serif"><span style="font-size:12pt">Both these parameters are restricted by the Level in Annex A and by other playback device restrictions.</span></div>
<div style="font-family:'times new roman','new york',times,serif;font-size:12pt"><div style="font-family:'times new roman','new york',times,serif;font-size:12pt"><br></div></div></div></div>
</blockquote><div>When we use VBR, the bit rate can move around the target avergae bit rate. I a interesed in knowing if I can control or know what is the maximum bit rate in case of VBR. Is it right to say that this bandwidth which is determined by <span style="font-family:'times new roman','new york',times,serif;font-size:16px">buffer size is same as maximum bit rate, or is this that maxbitrate & </span><span style="font-family:'times new roman','new york',times,serif;font-size:16px">VBV/HRD buffersize are </span><span style="font-family:'times new roman','new york',times,serif;font-size:16px">different parameters/comcepts, i.e. what is the maximum bitrate in case of VBR ?</span></div>
<div><span style="font-family:'times new roman','new york',times,serif;font-size:16px"><br></span></div><div>Thank you very much,</div><div>Ran </div></div></div>