libportaudiocpp0 19+svn20090620-0ubuntu2 (amd64 binary) in ubuntu lucid

 PortAudio is a portable audio I/O library designed for cross-platform
 support of audio. It uses a callback mechanism to request audio
 processing. Audio can be generated in various formats, including 32
 bit floating point, and will be converted to the native format
 internally.
 .
 This package contains the shared library of the C++ bindings.