Media Resource Control Protocol
Media Resource Control Protocol (MRCP) is a communication protocol used by speech servers to provide various services (such as
MRCP uses a similar style of clear-text signaling as HTTP and many other Internet protocols, in which each message contains 3 sections: a first-line, a header and a body. The first line indicates the type of message as well as information such as response codes. The header contains a number of lines, each in the format <header>: <data>. The body, whose length is specified by the header, contains the details of the message.
Like HTTP, MRCP uses a request (usually issued by the client) and response model. Responses may simply acknowledge receipt of the request or give other information regarding its processing. For example, an MRCP client may request to send some audio
MRCP protocol version 2 has been approved as an RFC. Version 2 uses SIP for managing sessions and audio streams between the server and the clients, whereas version 1 did not specify the underlying protocol.
MRCP has been adopted by a wide range of commercial speech servers, such as
External links
- RFC 4463, A Media Resource Control Protocol (MRCP)
- RFC 6787, Media Resource Control Protocol version 2 (MRCPv2)
- UniMRCP, An open source cross-platform MRCP implementation