typo

diff --git a/intro.tex b/intro.tex
index a79f10e..c649ba4 100644 (file)
--- a/intro.tex
+++ b/intro.tex
@@ -3,7 +3,7 @@ The primary medium for music distribution is rapidly changing from physical
 media to digital media. The \gls{IFPI} stated that about $43\%$ of music
 revenue arises from digital distribution. Another $39\%$ arises from the
 physical sale and the remaining $16\%$ is made through performance and
-synchronisation reveneus. The overtake of digital formats on physical formats
+synchronisation revenues. The overtake of digital formats on physical formats
 took place somewhere in 2015. Moreover, ever since twenty years the music
 industry has seen significant growth 
 again\footnote{\url{http://www.ifpi.org/facts-and-stats.php}}.
@@ -26,7 +26,7 @@ song, apply forced alignment or even lyrics recognition on the audio file.
 These techniques are heavily researched and working systems have been created
 for segmenting audio and even forced alignment (e.g.\ LyricSynchronizer%
 \cite{fujihara_lyricsynchronizer:_2011}). However, these techniques are designed
-to detect a clean singing voice and have not been testen on so-called
+to detect a clean singing voice and have not been tested on so-called
 \emph{extended vocal techniques} such as grunting or growling. Growling is
 heavily used in extreme metal genres such as \gls{dm} but it must be noted that
 grunting is not a technique only used in extreme metal styles. Similar or equal