The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A new visualization method of researching bird tweet and speech signals is presented in this paper, this means that we use 3D spectrogram to display and analyze bird tweet and speech signals. In this paper, the hawk sound and swallow sound signals are taken as the research object of birdsong signals application, and Chinese and English are used as the research object of application of human speech...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.