NXDN96 Decoding (DSD+)

I am trying to decode NXDN96 I have 96 % decoding rate but most of the time the audio is garbled and then it clears up and then garbles again, I am using the -fa switch, the audio is not encrypted, any ideas on how to fix it



Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:4r4r7r5m

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:34r4r4r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:4m6r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:6r6r6r6m

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:5r7r6r3

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:2236r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:6r7r6m7r

Sync: no sync

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:36r6r7r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:6m7r6r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:134r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:5r6r4m7r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:7r7r7m6r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:6r24r7r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:37r5r7r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:235r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:4r6r34r

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:27r1

Sync:-NXDN96 TB DATA

Sync:-NXDN96 TB VOICE e:2331

Steve