Search Results for: solutions – Page 3

Voice Processing

Voice Processing VOCAL provides a broad range of Voice processing design solutions to support a variety of applications as well as voice communications over radio, mobile, PSTN and IP networks. Our voice designs may be configured

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ED-137 Use Cases

Here are a few typical scenarios using VOCAL’s ED-137 module for both GRS and VCS. These modules need not only be used for ATM purposes; any RoIP implementation may benefit from tools that ED-137 supplies.

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Angle of Arrival Voice Activity Detection

VOCAL’s Angle of Arrival (AoA) Voice Activity Detection (VAD) software utilizes multiple input signals from a microphone array to determine if there is active speech in a specified direction. Even in the presence of multiple

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Tone Detection

Tone detection plays a crucial role in telephony applications.  Tone detectors are required for echo cancellers, to prevent incorrect adaptation, causing replication of echo.  They can be used in noise reduction algorithms, and in the

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V.151 Gateway

V.151 Gateway VOCAL V.151 Gateway is a standards based implementation that incorporates reliable and efficient transport of analog modulated signals generated by PSTN text telephone across IP network. This solution supports text over IP (ToIP)

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V.152 Gateway

V.152 Gateway VOCAL’s V.152 Gateway on software is a standards based implementation that incorporates transport of analog modulated signals generated by data modems, facsimile terminals, and PSTN text telephone across IP network as audio compressed

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