[BoW] r17 - trunk/audio_coding/predictive_coding.tex
ramiro
subversion at mplayerhq.hu
Wed Oct 15 23:29:10 CEST 2008
Author: ramiro
Date: Wed Oct 15 23:29:10 2008
New Revision: 17
Log:
Use the extended format instead of an acronym to introduce something new.
Modified:
trunk/audio_coding/predictive_coding.tex
Modified: trunk/audio_coding/predictive_coding.tex
==============================================================================
--- trunk/audio_coding/predictive_coding.tex (original)
+++ trunk/audio_coding/predictive_coding.tex Wed Oct 15 23:29:10 2008
@@ -19,8 +19,8 @@
Temporal correlation means correlating samples in time domain, i.e. predicting
next waveform sample and coding the difference.
- \subsubsection{DPCM}
- Differential PCM is without a doubt one of the oldest audio compression
+ \subsubsection{Differential Pulse Code Modulation}
+ Differential Pulse Code Modulation (DPCM) is without a doubt one of the oldest audio compression
techniques employed due its very low computation cost.
Typical compression ratio is 2.
@@ -31,7 +31,7 @@ while there are samples left to decode
output predictor as a new sample
\end{verbatim}
- \subsubsection{ADPCM}
+ \subsubsection{Adaptive Differential Pulse Code Modulation}
Most popular is IMA ADPCM compression scheme, which is used as a basis for
many proprietary variations that are usually used in games and several
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