The AnalyserNode interface represents a node able to provide real-time frequency and time-domain analysis information. It is an AudioNode that passes the audio stream unchanged from the input to the output, but allows you to take the generated data, process it, and create audio visualizations.
IndexedDB is a way for you to persistently store data inside a user's browser. Because it lets you create web applications with rich query abilities, your applications can work both online and offline.
The LobsterPot HTML5 PivotViewer is a cross browser, cross platform version of the Silverlight PivotViewer control produced by Microsoft. Created by LobsterPot Solutions the control has been written as jQuery plug-in and utilises features available in HTML5.