[xiph-commits] r14446 - trunk/speex/doc
jm at svn.xiph.org
jm at svn.xiph.org
Fri Feb 1 21:11:42 PST 2008
Author: jm
Date: 2008-02-01 21:11:39 -0800 (Fri, 01 Feb 2008)
New Revision: 14446
Modified:
trunk/speex/doc/manual.lyx
Log:
Fixing some typos in the manual (thanks to Peter Grayson for the patch)
Modified: trunk/speex/doc/manual.lyx
===================================================================
--- trunk/speex/doc/manual.lyx 2008-02-02 00:05:53 UTC (rev 14445)
+++ trunk/speex/doc/manual.lyx 2008-02-02 05:11:39 UTC (rev 14446)
@@ -200,7 +200,7 @@
\series bold
only
\series default
- for private/delicate topics you do not wish to discuss publically.
+ for private/delicate topics you do not wish to discuss publicly.
\end_layout
\begin_layout Standard
@@ -367,7 +367,7 @@
the sampling theorem.
Speex is mainly designed for three different sampling rates: 8 kHz, 16
kHz, and 32 kHz.
- These are respectively refered to as narrowband
+ These are respectively referred to as narrowband
\begin_inset LatexCommand index
name "narrowband"
@@ -449,9 +449,9 @@
\end_layout
\begin_layout Standard
-Speex is a lossy codec, which means that it achives compression at the expense
- of fidelity of the input speech signal.
- Unlike some other speech codecs, it is possible to control the tradeoff
+Speex is a lossy codec, which means that it achieves compression at the
+ expense of fidelity of the input speech signal.
+ Unlike some other speech codecs, it is possible to control the trade-off
made between quality and bit-rate.
The Speex encoding process is controlled most of the time by a quality
parameter that ranges from 0 to 10.
@@ -526,7 +526,7 @@
In the example of Speex, sounds like vowels and high-energy transients
require a higher bit-rate to achieve good quality, while fricatives (e.g.
s,f sounds) can be coded adequately with less bits.
- For this reason, VBR can achive lower bit-rate for the same quality, or
+ For this reason, VBR can achieve lower bit-rate for the same quality, or
a better quality for a certain bit-rate.
Despite its advantages, VBR has two main drawbacks: first, by only specifying
quality, there's no guaranty about the final average bit-rate.
@@ -1283,9 +1283,8 @@
the original DF2T behaviour when it comes to filter values
\series default
.
- This is necessary because the filter is time-varrying and must compute
- exactly the same value (not counting machine rounding) on any encoder or
- decoder.
+ This is necessary because the filter is time-varying and must compute exactly
+ the same value (not counting machine rounding) on any encoder or decoder.
\end_layout
\begin_layout Subsection
@@ -1371,7 +1370,7 @@
.
In addition to that, by redefining the NB_ENC_STACK and NB_DEC_STACK (or
similar for wideband), it is possible to only allocate memory for a scenario
- that is known in advange.
+ that is known in advance.
In this case, it is important to measure the amount of memory required
for the specific sampling rate, bit-rate and complexity level being used.
\end_layout
@@ -2293,7 +2292,7 @@
\series bold
not type safe
\series default
-, and shoud thus be used with care.
+, and should thus be used with care.
The type
\begin_inset listings
inline true
@@ -3131,7 +3130,7 @@
\begin_inset Quotes eld
\end_inset
-agressive
+aggressive
\begin_inset Quotes erd
\end_inset
@@ -3280,7 +3279,7 @@
\begin_inset Text
\begin_layout Standard
-Request acknowloedge (0=no, 1=all, 2=only for in-band data)
+Request acknowledge (0=no, 1=all, 2=only for in-band data)
\end_layout
\end_inset
@@ -4315,7 +4314,7 @@
\emph default
system call), it can be difficult to keep track of what input_frame comes
with what echo_frame.
- Instead, the playback comtext/thread can simply call:
+ Instead, the playback context/thread can simply call:
\end_layout
\begin_layout Standard
@@ -6512,7 +6511,7 @@
\begin_layout Standard
To make Speex more robust to packet loss, no prediction is applied on the
LSP coefficients prior to quantization.
- The LSPs are encoded using vector quantizatin (VQ) with 30 bits for higher
+ The LSPs are encoded using vector quantization (VQ) with 30 bits for higher
quality modes and 18 bits for lower quality.
\end_layout
@@ -8098,7 +8097,7 @@
\end_inset
presents my own subjective opinion on it.
- It sould be noted that different people will perceive the quality differently
+ It should be noted that different people will perceive the quality differently
and that the person that designed the codec often has a bias (one way or
another) when it comes to subjective evaluation.
Last thing, it should be noted that for most codecs (including Speex) encoding
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