# HG changeset patch
# User Michael Terrell <michael.terrell@eecs.qmul.ac.uk>
# Date 1381142270 -3600
# Node ID 9e2fe7cff1b52328f1aad311ce48b25e0590ad4f
# Parent  d29e51dee45a6fa843d5cc81d3ca89c3f83ec38b
Final changes lec 3

diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Figures/bitdepth_effect-eps-converted-to.pdf
Binary file Lectures/Lec3 - Audio Chain/Figures/bitdepth_effect-eps-converted-to.pdf has changed
diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Figures/samplerate_effect-eps-converted-to.pdf
Binary file Lectures/Lec3 - Audio Chain/Figures/samplerate_effect-eps-converted-to.pdf has changed
diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.log
--- a/Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.log	Mon Oct 07 09:45:02 2013 +0100
+++ b/Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.log	Mon Oct 07 11:37:50 2013 +0100
@@ -1,4 +1,4 @@
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@@ -1070,10 +1070,10 @@
 
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 (epstopdf)             Output file: <Figures/cosine-eps-converted-to.pdf>
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 Package epstopdf Info: Source file: <Figures/cosine_sampled.eps>
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@@ -1106,10 +1106,10 @@
 
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@@ -1119,11 +1119,11 @@
 
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@@ -1136,11 +1136,11 @@
 
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diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.pdf
Binary file Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.pdf has changed
diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.synctex.gz
Binary file Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.synctex.gz has changed
diff -r d29e51dee45a -r 9e2fe7cff1b5 Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.tex
--- a/Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.tex	Mon Oct 07 09:45:02 2013 +0100
+++ b/Lectures/Lec3 - Audio Chain/Lec3 - Audio Signal Chain.tex	Mon Oct 07 11:37:50 2013 +0100
@@ -335,7 +335,12 @@
 	\item The frequency response above the Nyquist frequency is a mirror image of the response below.
 	\end{itemize}
 	\begin{itemize}
-	\item The signal is filtered using an analogue low pass filter before ADC, and digital filter after, to remove all components of the signal which are above the Nyquist freqency.
+	\item The signal is filtered to remove high frequencies using:
+	\vspace{.2cm}
+	\begin{itemize}\itemsep6pt
+		\item An analogue filter before ADC. 
+		\item A digital filter before DAC.
+	\end{itemize}
 	\end{itemize}
 	\end{frame}