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author | Mark Harris <mark.hsj@gmail.com> | 2015-11-24 11:10:20 -0800 |
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committer | Timothy B. Terriberry <tterribe@xiph.org> | 2015-11-24 11:21:58 -0800 |
commit | b2eae1cfef3987e50c832114a7211713c10d1926 (patch) | |
tree | 75b07485666a217cd072049d83e1ba9705578c7d | |
parent | d568e24f58b1819a3e9dd47ede4813706249e955 (diff) | |
download | opus-b2eae1cfef3987e50c832114a7211713c10d1926.tar.gz |
oggopus: Fix spelling
-rw-r--r-- | doc/draft-ietf-codec-oggopus.xml | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/doc/draft-ietf-codec-oggopus.xml b/doc/draft-ietf-codec-oggopus.xml index 94e17586..124d4880 100644 --- a/doc/draft-ietf-codec-oggopus.xml +++ b/doc/draft-ietf-codec-oggopus.xml @@ -880,7 +880,7 @@ Vorbis channel order. Each channel is assigned to a speaker location in a conventional surround arrangement. Specific locations depend on the number of channels, and are given below - in order of the corresponding channel indicies. + in order of the corresponding channel indices. <list style="symbols"> <t>1 channel: monophonic (mono).</t> <t>2 channels: stereo (left, right).</t> @@ -944,16 +944,16 @@ Players SHOULD perform channel mixing to increase or reduce the number of </t> <t> -Implementations MAY use the following matricies to implement downmixing from +Implementations MAY use the following matrices to implement downmixing from multichannel files using <xref target="channel_mapping_1">Channel Mapping Family 1</xref>, which are known to give acceptable results for stereo. -Matricies for 3 and 4 channels are normalized so each coefficent row sums +Matrices for 3 and 4 channels are normalized so each coefficient row sums to 1 to avoid clipping. For 5 or more channels they are normalized to 2 as a compromise between clipping and dynamic range reduction. </t> <t> -In these matricies the front left and front right channels are generally +In these matrices the front left and front right channels are generally passed through directly. When a surround channel is split between both the left and right stereo channels, coefficients are chosen so their squares sum to 1, which @@ -1040,8 +1040,8 @@ Exact coefficient values are 1, 1/sqrt(2), sqrt(3)/2, 1/2 and sqrt(3)/2/sqrt(2), multiplied by 2/(1 + 1/sqrt(2) + sqrt(3)/2 + 1/2 + sqrt(3)/2/sqrt(2) + 1/sqrt(2)) for normalization. -The coeffients are in the same order as in <xref target="channel_mapping_1" />, - and the matricies above. +The coefficients are in the same order as in <xref target="channel_mapping_1" />, + and the matrices above. </postamble> </figure> @@ -1057,8 +1057,8 @@ The coeffients are in the same order as in <xref target="channel_mapping_1" />, <postamble> Exact coefficient values are 1, 1/sqrt(2), sqrt(3)/2 and 1/2, multiplied by 2/(2 + 2/sqrt(2) + sqrt(3)) for normalization. -The coeffients are in the same order as in <xref target="channel_mapping_1" />, - and the matricies above. +The coefficients are in the same order as in <xref target="channel_mapping_1" />, + and the matrices above. </postamble> </figure> @@ -1210,7 +1210,7 @@ The user comment strings follow the NAME=value format described by Two new comment tags are introduced here: </t> -<t>First, an optional gain for track nomalization:</t> +<t>First, an optional gain for track normalization:</t> <figure align="center"> <artwork align="left"><![CDATA[ R128_TRACK_GAIN=-573 @@ -1225,7 +1225,7 @@ This tag is similar to the REPLAYGAIN_TRACK_GAIN tag in Vorbis <xref target="replay-gain"/>, except that the normal volume reference is the <xref target="EBU-R128"/> standard. </t> -<t>Second, an optional gain for album nomalization:</t> +<t>Second, an optional gain for album normalization:</t> <figure align="center"> <artwork align="left"><![CDATA[ R128_ALBUM_GAIN=111 @@ -1255,7 +1255,7 @@ If a player chooses to make use of the R128_TRACK_GAIN tag or the <spanx style="emph">in addition</spanx> to the 'output gain' value. If a tool modifies the ID header's 'output gain' field, it MUST also update or remove the R128_TRACK_GAIN and R128_ALBUM_GAIN comment tags if present. -An muxer SHOULD assume that by default tools will respect the 'output gain' +A muxer SHOULD assume that by default tools will respect the 'output gain' field, and not the comment tag. </t> <t> @@ -1403,7 +1403,7 @@ This can be done simply by separating the input streams into segments and encoding each segment independently. The drawback of this approach is that it creates a small discontinuity at the boundary due to the lossy nature of Opus. -An muxer MAY avoid this discontinuity by using the following procedure: +A muxer MAY avoid this discontinuity by using the following procedure: <list style="numbers"> <t>Encode the last frame of the first segment as an independent frame by turning off all forms of inter-frame prediction. @@ -1518,7 +1518,7 @@ In either case, this document updates <xref target="RFC5334"/> <section title="IANA Considerations"> <t> -This document updates the IANA Media Types registery to add .opus +This document updates the IANA Media Types registry to add .opus as a file extension for "audio/ogg", and to add itself as a reference alongside <xref target="RFC5334"/> for "audio/ogg", "video/ogg", and "application/ogg" Media Types. |