(Telecompaper) Chinese internet giant Baidu replaced Google as the world's second biggest smart speaker vendor in the second quarter of 2019, according to the latest report from Canalys. Baidu shipped a total of 4.5 million units in the April to June period, just ahead of Google's 4.3 million and behind the 6.6 million Echo speakers shipped by market leader Amazon. China's Alibaba and Xiaomi rounded out the top 5 with shipments of 4.1 million and 2.8 million respectively.