RTAudio is a Microsoft produced adaptive wide-band speech codec.
RTAudio was designed for real-time two-way Voice over IP (VoIP) applications.
RTAudio is the preferred Microsoft Real-Time audio codec, and is the default voice codec for Microsoft’s Unified Communications platforms.
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).
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