RTAudio is a

Microsoft Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...

produced adaptive wide-band speech codec. It is used by

Microsoft Office Communications Server Skype for Business Server (formerly Microsoft Office Communications Server and Microsoft Lync Server) is real-time communications server software that provides the infrastructure for enterprise instant messaging, presence, VoIP, ad hoc and st ...

(OCS) and the related OCS clients (

Microsoft Office Communicator Skype for Business (formerly Microsoft Lync and Office Communicator) is an enterprise software application for instant messaging and videotelephony developed by Microsoft as part of the Microsoft Office suite. It is designed for use with the on- ...

, and

Microsoft Live Meeting Console Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washingt ...

). RTAudio was designed for real-time two-way

Voice over IP Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of speech, voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms In ...

(

VoIP Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet t ...

) applications. Some of the target applications include games, audio conferencing, and wireless applications over IP. RTAudio is the preferred

Real-Time audio codec, and is the default voice codec for

’s Unified Communications platforms. The RTAudio encoder is capable of encoding single-channel (mono), 16 bit per sample audio signals. The encoder can be configured to operate either in the Narrow Band mode (8 kHz sampling rate) or the Wide Band mode (16 kHz sampling rate). The RTAudio decoder has a built-in jitter control module as well as an error concealment module.

Licensing

RTAudio is a proprietary codec. Like

RTVideo RTVideo is Microsoft's default video codec for Office Communications Server 2007 and the Microsoft Office Communicator 2007 client. It is a Microsoft proprietary implementation of the VC-1 codec for real-time transmission purposes. Microsoft ex ...

, this protocol can also be licensed from Microsoft.

External links

Overview of the Microsoft RTAudio Speech codec
Audio codecs Speech codecs Microsoft proprietary codecs Wideband codecs {{microsoft-software-stub