diff -r 6eab274d3e34 Lib/test/test_wave.py
--- a/Lib/test/test_wave.py	Sun May 12 23:08:28 2013 -0500
+++ b/Lib/test/test_wave.py	Mon May 13 11:52:30 2013 +0300
@@ -1,6 +1,7 @@
 from test.support import TESTFN, run_unittest
 import os
 import wave
+import pickle
 import struct
 import unittest
 
@@ -74,6 +75,18 @@
         self.assertEqual(params.comptype, self.f.getcomptype())
         self.assertEqual(params.compname, self.f.getcompname())
 
+    def test_getparams_picklable(self):
+        self.f = wave.open(TESTFN, 'wb')
+        self.f.setnchannels(nchannels)
+        self.f.setsampwidth(sampwidth)
+        self.f.setframerate(framerate)
+        self.f.close()
+
+        self.f = wave.open(TESTFN, 'rb')
+        params = self.f.getparams()
+        dump = pickle.dumps(params)
+        self.assertEqual(pickle.loads(dump), params)
+                
 
 def test_main():
     run_unittest(TestWave)
diff -r 6eab274d3e34 Lib/wave.py
--- a/Lib/wave.py	Sun May 12 23:08:28 2013 -0500
+++ b/Lib/wave.py	Mon May 13 11:52:30 2013 +0300
@@ -92,7 +92,7 @@
 from chunk import Chunk
 from collections import namedtuple
 
-_result = namedtuple('params',
+_Wave_params = namedtuple('_Wave_params',
                      'nchannels sampwidth framerate nframes comptype compname')
 
 class Wave_read:
@@ -210,7 +210,7 @@
         return self._compname
 
     def getparams(self):
-        return _result(self.getnchannels(), self.getsampwidth(),
+        return _Wave_params(self.getnchannels(), self.getsampwidth(),
                        self.getframerate(), self.getnframes(),
                        self.getcomptype(), self.getcompname())
 
@@ -402,7 +402,7 @@
     def getparams(self):
         if not self._nchannels or not self._sampwidth or not self._framerate:
             raise Error('not all parameters set')
-        return _result(self._nchannels, self._sampwidth, self._framerate,
+        return _Wave_params(self._nchannels, self._sampwidth, self._framerate,
               self._nframes, self._comptype, self._compname)
 
     def setmark(self, id, pos, name):