The samples are here - http://research.baidu.com/deep-voice-production-quality-text...
For reference, other recent TTS implementation samples:
WaveNet - https://deepmind.com/blog/wavenet-generative-model-raw-audio...
SampleRNN - https://soundcloud.com/samplernn/sets
And Char2Wav - http://www.josesotelo.com/speechsynthesis/