Bi-directional audio generation device for speech quality assessment of telephony networks and speech codecs
US9667776B1 · kind B1 · utility
3Cited by
6References
3Claims
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Key dates
| Filing date | Dec 6, 2016 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Dec 6, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/42221
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system for bi-directional quality testing of a telephony system or network using an audio generation device configured to automate Perceptual Evaluation of Speech Quality assessments and connect to a communication endpoint through computer telephony integration (CTI) instruction or system configuration to enable auto-answering of the communication endpoint, listen, record, and process signals and audio data, calculate Mean Opinion Scores (MOS), generate signals and audio for playback, compare files using a full reference algorithm, and store data with MOS results displayed in data naming structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.