diff -r bab0cbf86835 Doc/library/aifc.rst
--- a/Doc/library/aifc.rst	Sun Nov 10 21:44:36 2013 +0200
+++ b/Doc/library/aifc.rst	Sun Nov 10 21:49:16 2013 +0200
@@ -225,12 +225,18 @@
    Write data to the output file.  This method can only be called after the audio
    file parameters have been set.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 .. method:: aifc.writeframesraw(data)
 
    Like :meth:`writeframes`, except that the header of the audio file is not
    updated.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 .. method:: aifc.close()
 
diff -r bab0cbf86835 Doc/library/sunau.rst
--- a/Doc/library/sunau.rst	Sun Nov 10 21:44:36 2013 +0200
+++ b/Doc/library/sunau.rst	Sun Nov 10 21:49:16 2013 +0200
@@ -250,11 +250,17 @@
 
    Write audio frames, without correcting *nframes*.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 .. method:: AU_write.writeframes(data)
 
    Write audio frames and make sure *nframes* is correct.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 .. method:: AU_write.close()
 
diff -r bab0cbf86835 Doc/library/wave.rst
--- a/Doc/library/wave.rst	Sun Nov 10 21:44:36 2013 +0200
+++ b/Doc/library/wave.rst	Sun Nov 10 21:49:16 2013 +0200
@@ -205,11 +205,17 @@
 
    Write audio frames, without correcting *nframes*.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 .. method:: Wave_write.writeframes(data)
 
    Write audio frames and make sure *nframes* is correct.
 
+   .. versionchanged:: 3.4
+      Any :term:`bytes-like object`\ s are now accepted.
+
 
 Note that it is invalid to set any parameters after calling :meth:`writeframes`
 or :meth:`writeframesraw`, and any attempt to do so will raise
diff -r bab0cbf86835 Lib/aifc.py
--- a/Lib/aifc.py	Sun Nov 10 21:44:36 2013 +0200
+++ b/Lib/aifc.py	Sun Nov 10 21:49:16 2013 +0200
@@ -692,6 +692,8 @@
         return self._nframeswritten
 
     def writeframesraw(self, data):
+        if not isinstance(data, (bytes, bytearray)):
+            data = memoryview(data).cast('B')
         self._ensure_header_written(len(data))
         nframes = len(data) // (self._sampwidth * self._nchannels)
         if self._convert:
diff -r bab0cbf86835 Lib/sunau.py
--- a/Lib/sunau.py	Sun Nov 10 21:44:36 2013 +0200
+++ b/Lib/sunau.py	Sun Nov 10 21:49:16 2013 +0200
@@ -415,6 +415,8 @@
         return self._nframeswritten
 
     def writeframesraw(self, data):
+        if not isinstance(data, (bytes, bytearray)):
+            data = memoryview(data).cast('B')
         self._ensure_header_written()
         if self._comptype == 'ULAW':
             import audioop
diff -r bab0cbf86835 Lib/test/audiotests.py
--- a/Lib/test/audiotests.py	Sun Nov 10 21:44:36 2013 +0200
+++ b/Lib/test/audiotests.py	Sun Nov 10 21:49:16 2013 +0200
@@ -139,6 +139,30 @@
 
         self.check_file(TESTFN, self.nframes, self.frames)
 
+    def test_write_bytearray(self):
+        f = self.create_file(TESTFN)
+        f.setnframes(self.nframes)
+        f.writeframes(bytearray(self.frames))
+        f.close()
+
+        self.check_file(TESTFN, self.nframes, self.frames)
+
+    def test_write_array(self):
+        f = self.create_file(TESTFN)
+        f.setnframes(self.nframes)
+        f.writeframes(array.array('h', self.frames))
+        f.close()
+
+        self.check_file(TESTFN, self.nframes, self.frames)
+
+    def test_write_memoryview(self):
+        f = self.create_file(TESTFN)
+        f.setnframes(self.nframes)
+        f.writeframes(memoryview(self.frames))
+        f.close()
+
+        self.check_file(TESTFN, self.nframes, self.frames)
+
     def test_incompleted_write(self):
         with open(TESTFN, 'wb') as testfile:
             testfile.write(b'ababagalamaga')
diff -r bab0cbf86835 Lib/wave.py
--- a/Lib/wave.py	Sun Nov 10 21:44:36 2013 +0200
+++ b/Lib/wave.py	Sun Nov 10 21:49:16 2013 +0200
@@ -435,6 +435,8 @@
         return self._nframeswritten
 
     def writeframesraw(self, data):
+        if not isinstance(data, (bytes, bytearray)):
+            data = memoryview(data).cast('B')
         self._ensure_header_written(len(data))
         nframes = len(data) // (self._sampwidth * self._nchannels)
         if self._convert:
diff -r bab0cbf86835 Misc/NEWS
--- a/Misc/NEWS	Sun Nov 10 21:44:36 2013 +0200
+++ b/Misc/NEWS	Sun Nov 10 21:49:16 2013 +0200
@@ -34,6 +34,9 @@
 Library
 -------
 
+- Issue #16685: Added support for writing any bytes-like objects in the aifc,
+  sunau, and wave modules.
+
 - Issue #16685: Added support for any bytes-like objects in the audioop module.
   Removed support for strings.