speech-dispatcher voice configuration problems with festival

I finally got Festival working with the US HTS voices: cmu_us_awb_cg, cmu_us_jmk_cg, cmu_us_slt_cg, cmu_us_bdl_cg, cmu_us_clb_cg, cmu_us_rms_cg. I manually configured festival.scm to use bdl voice: (set! voice_default 'voice_cmu_us_bdl_cg) It's now working fine both from within interactive festival and when server is running (festival --server): nc localhost 1314 The DefaultVoiceType controls which voice type should be used by > default. Voice types are symbolic names which map to particular > voices provided by the synthesizer according to the output module > configuration. Please see the synthesizer-specific configuration > in etc/speech-dispatcher/modules/ to see which voices are assigned to > different symbolic names. The following symbolic names are > currently supported: MALE1, MALE2, MALE3, FEMALE1, FEMALE2, FEMALE3, > CHILD_MALE, CHILD_FEMALE > > # DefaultVoiceType "MALE1" I also tried to increase heap size up to 50M (as per some posts in other discussions), but it doesn't help: festival --server --heap 50000000 I get the same strange errors. Any suggestions appreciated.