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Fix Ogg draft formatting.

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Ralph Giles 2013-05-25 01:16:23 +08:00
parent 5b6fe64692
commit 7918ac13a8
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doc/draft-ietf-codec-oggopus.xml
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@ -1168,9 +1168,13 @@ When extending the end of the signal, order-N (typically with N ranging from 8
to 40) LPC analysis is performed on a window near the end of the signal. to 40) LPC analysis is performed on a window near the end of the signal.
The last N samples are used as memory to an infinite impulse response (IIR) The last N samples are used as memory to an infinite impulse response (IIR)
filter. filter.
</t>
<figure align="center">
<preamble>
The filter is then applied on a zero input to extrapolate the end of the signal. The filter is then applied on a zero input to extrapolate the end of the signal.
Let a(k) be the kth LPC coefficient and x(n) be the nth sample of the signal, Let a(k) be the kth LPC coefficient and x(n) be the nth sample of the signal,
each new sample past the end of the signal is computed as: each new sample past the end of the signal is computed as:
</preamble>
<artwork align="center"><![CDATA[ <artwork align="center"><![CDATA[
N N
--- ---
@ -1179,6 +1183,8 @@ x(n) = \ a(k)*x(n-k)
--- ---
k=1 k=1
]]></artwork> ]]></artwork>
</figure>
<t>
The process is repeated independently for each channel. The process is repeated independently for each channel.
It is possible to extend the beginning of the signal by applying the same It is possible to extend the beginning of the signal by applying the same
process backward in time. process backward in time.
@ -1213,6 +1219,8 @@ De-emphasis is allowed.</t>
</t> </t>
</section> </section>
</section>
<section anchor="implementation" title="Implementation Status"> <section anchor="implementation" title="Implementation Status">
<t> <t>
A brief summary of major implementations of this draft is available A brief summary of major implementations of this draft is available