Filter audio books from amazon metadata download results

src/calibre/ebooks/metadata/sources/amazon.py

@@ -549,7 +549,8 @@ class Amazon(Source):
                     r'//div[@id="Results"]/descendant::td[starts-with(@id, "search:Td:")]'):
                     for a in td.xpath(r'descendant::td[@class="dataColumn"]/descendant::a[@href]/span[@class="srTitle"]/..'):
                         title = tostring(a, method='text', encoding=unicode).lower()
-                        if 'bulk pack' not in title:
+                        if ('bulk pack' not in title and '[audiobook]' not in
+                                title and '[audio cd]' not in title):
                             matches.append(a.get('href'))
                         break
 

src/calibre/ebooks/metadata/sources/base.py

@@ -313,7 +313,7 @@ class Source(Plugin):
             title_patterns = [(re.compile(pat, re.IGNORECASE), repl) for pat, repl in
             [
                 # Remove things like: (2010) (Omnibus) etc.
-                (r'(?i)[({\[](\d{4}|omnibus|anthology|hardcover|paperback|turtleback|mass\s*market|edition|ed\.)[\])}]', ''),
+                (r'(?i)[({\[](\d{4}|omnibus|anthology|hardcover|audiobook|audio\scd|paperback|turtleback|mass\s*market|edition|ed\.)[\])}]', ''),
                 # Remove any strings that contain the substring edition inside
                 # parentheses
                 (r'(?i)[({\[].*?(edition|ed.).*?[\]})]', ''),