大家好，欢迎来到本次会议。
会上，与会者畅所欲言，发言活跃。[{'character': '会', 'pinyin': 'huei4', 'highest pitch': 13.7, 'lowest pitch': 8.63, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.46, 'lowest pitch': 6.96, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '与', 'pinyin': 'v4', 'highest pitch': 10.07, 'lowest pitch': 8.67, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '会', 'pinyin': 'huei4', 'highest pitch': 13.7, 'lowest pitch': 7.52, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 7.33, 'lowest pitch': 5.39, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '畅', 'pinyin': 'chang4', 'highest pitch': 10.53, 'lowest pitch': 8.53, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '所', 'pinyin': 'suo3', 'highest pitch': 8.53, 'lowest pitch': 5.24, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '欲', 'pinyin': 'v4', 'highest pitch': 10.07, 'lowest pitch': 6.29, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '言', 'pinyin': 'ian2', 'highest pitch': 9.7, 'lowest pitch': 5.72, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 10.91, 'lowest pitch': 9.7, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '言', 'pinyin': 'ian2', 'highest pitch': 9.7, 'lowest pitch': 6.73, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '活', 'pinyin': 'huo2', 'highest pitch': 9.52, 'lowest pitch': 5.56, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '跃', 'pinyin': 've4', 'highest pitch': 9.83, 'lowest pitch': 6.82, 'duration': 0.27, 'prosody hierarchy': '#4'}]