While looking for podcasts and recordings, I asked at the British Library. The curator/librarian provided the following info:
To browse the British Library Sound and Moving Image Catalogue, got the website, select advanced search, and check out the language and type menus.
A few examples:
(1) These are part of an ongoing project of poetry in translation in which we record readings and interviews with poets from different countries living in the UK. The readings are mostly in the poets own language, with a translation in English (not always). The interviews are in English.
C1340/37 Liu Hongbin interview
C1340/36 Liu Hongbin reading
C1340/27 Kit Fan interview
C1340/26 Kit Fan poetry reading
(2) C660/160 - Xinran in conversation with Hilary Spurling (This is a Royal Society of Literature event).
(3) ISS0005256 - The chimpanzee and his six roars. A self-portrait of Lin Zhao-Hua
Video documentation of plays directed by Chinese director Lin Zhao-Hua: Romulus the Great (1992); Faust (1994); A Man Lost in the World of Chess (1995); The Three Sisters - Waiting for Godot (1998); A Parody (2000); Richard III (2001). Note: The Three Sisters and Waiting for Godot are 'combined' in this production. Chinese language, no subtitles. VCD format. 13 video CDs.
Recordings can be heard in the British Library Reading Room Humanities 2 - you will need a Reader's Pass.