s) and transport
(such as TCP streams or pipes), Vorbis and other future Ogg codecs use
the Ogg bitstream format to provide framing/sync, sync recapture
after error, landmarks during seeking, and enough information to
properly separate data back into packets at the original packet
boundaries without relying on decoding to find packet boundaries.</p>

<h2>Logical and physical bitstreams</h2>

<p>Raw packets are grouped and encoded into contiguous pages of
structured bitstream data called <em>logical bitstrea