i used hts_engine API version 1.07, SPTK version 3.6 and HTS-3.2 alpha.
Error occurred while running HTS-demo_CMU-ARCTIC-SLT in " synthesizing waveforms using hts_engine" step:
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Start synthesizing waveforms using hts_engine at Wed Dec 26 12:44:46 AZT 2012
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Synthesizing a speech waveform from /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/data/labels/gen/alice01.lab using hts_engine...
Error: HTS_calloc: Cannot allocate memory.
Error in /home/hadoop/projects/tts/HTS-2.3alpha/hts_engine_API-1.07/bin/hts_engine -m /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/voices/qst001/ver1/cmu_us_arctic_slt.htsvoice -or /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/gen/qst001/ver1/hts_engine/alice01.raw -ow /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/gen/qst001/ver1/hts_engine/alice01.wav -ot /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/gen/qst001/ver1/hts_engine/alice01.trace /home/hadoop/projects/tts/HTS-2.3alpha/HTS-demo_CMU-ARCTIC-SLT/data/labels/gen/alice01.lab