That bug has been described on https://launchpad.net/bugs/71656

"After starting the sound recorder I have realized that no devies were shown in the selectors. Suddenly the application crashed.
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http://librarian.launchpad.net/5063695/_usr_bin_gnome-sound-recorder.1000.crash
Attachment to gnome-sound-recorder crash

Attachment to gnome-sound-recorder crash
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Package: gnome-media 2.16.1-0ubuntu2
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Debug backtrace:

 #0 gm_audio_profile_get_pipeline (profile=0x808bc58) at audio-profile.c:410
 No locals.
 #1 0xb74efb29 in IA__g_cclosure_marshal_VOID__VOID (closure=0x81e4098, return_value=0x0, n_param_values=1,
     param_values=0xbfc657fc, invocation_hint=0xbfc6570c, marshal_data=0x83d9820) at gmarshal.c:77
        data1 = (gpointer) 0x808bc58
        data2 = (gpointer) 0x0
        __PRETTY_FUNCTION__ = "IA__g_cclosure_marshal_VOID__VOID"
 #2 0xb74e279b in IA__g_closure_invoke (closure=0x81e4098, return_value=0x0, n_param_values=1, param_values=0xbfc657fc,
     invocation_hint=0xbfc6570c) at gclosure.c:490
        marshal = (GClosureMarshal) 0xb74efae0 <IA__g_cclosure_marshal_VOID__VOID>
        marshal_data = (gpointer) 0x0
        __PRETTY_FUNCTION__ = "IA__g_closure_invoke"
 #3 0xb74f2b93 in signal_emit_unlocked_R (node=0x8175d80, detail=0, instance=0x808bc58, emission_return=0x0,
     instance_and_params=0xbfc657fc) at gsignal.c:2440
        tmp = <value optimized out>
        handler = (Handler *) 0x8178600
        accumulator = (SignalAccumulator *) 0x0
        emission = {next = 0x0, instance = 0x808bc58, ihint = {signal_id = 125, detail = 0,
     run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = (GClosure *) 0x8175d48
        handler_list = (Handler *) 0x8178600
        return_accu = (GValue *) 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0,
       v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0,
       v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 125
        max_sequential_handler_number = 318
        return_value_altered = 1
..."