Although it is possible to search for these data from the website of each data center, the metadata of the corpus descriptions are not unified and also we cannot specify speech-specific conditions such as the recording environment in the search, so it is not easy for users to find the necessary corpus.
it would be more convenient for corpus users if the catalogue specifications of the corpora were standardized among all the various data centers and if the speech corpora could be retrieved by utilizing speech-specific conditions.