Stuttering still over 3 years! Any help?

[AstroCat]

Now that I have the graphics suttuers worked out (wheewh!) How about these radio chatter stutters?

Any fix for these?

Here is my sound setup:

[sound]
SoundUse=1
SoundEngine=1
Speakers=4
Placement=0
SoundFlags.reversestereo=0
RadioFlags.Enabled=1
RadioEngine=2
MusicVolume=5
ObjectVolume=14
MusState.takeoff=1
MusState.inflight=1
MusState.crash=1
MusFlags.play=1
MasterVolume=14
Attenuation=7
SoundMode=3
SamplingRate=2
NumChannels=2
SoundExt.occlusions=0
SoundFlags.hardware=1
SoundFlags.streams=1
SoundFlags.duplex=1
SoundExt.acoustics=0
SoundExt.volumefx=0
SoundFlags.voicemgr=0
SoundFlags.static=1
VoiceVolume=11
Channels=2
SoundExt.extrender=0
SoundFlags.bugscorrect=0
SoundSetupId=8
ActivationLevel=0.02
Preemphasis=0.85
RadioLatency=0.5
AGC=1
PTTMode=1
SoundFlags.UseRadioChatter=1
SoundFlags.AutoActivation=0
RadioFlags.PTTMode=0
RadioFlags.PlayClicks=0
ActLevel=0
MicLevel=0
SoundFlags.forceEAX1=0

Thanks!