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Search: confidence

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Releases and Changelogs (Browser)

…Phonexia Browser 3.56 (Public release) Phonexia Browser 3.56.0, BSAPI 3.56.0 (2022-12-15) New: Compatibility with SPE 3.56 Phonexia Browser 3.55 (Public release) Phonexia Browser 3.55.0, BSAPI 3.55.0 (2022-10-03) New: Compatibility with SPE 3.55 + all changes included in Feature Preview releases 3.51 and 3.52 (see below) Phonexia Browser 3.52 Phonexia Browser 3.52.0, BSAPI 3.52.0 (2022-07-01) New: Added “Keyword Spotting highest confidence”…

Speaker Identification (SID)

…are the same or if they are two different people. The ratio between these two probabilities is called the Likelihood Ratio (LR), which is often expressed in the form of a logarithm as Log Likelihood Ratio (LLR). Transformation to confidence (or percentage) is usually done using a sigmoid function: where: shift shifts the score to be at ideal decision point…

Release Notes

…BROWSER Update We finished small but important improvements: The Age column in Results pane now shows the numeric results instead of age groups; column name changed to Age (±10 years) to emphasize the results tolerance Added the Keyword Spotting highest confidence column in Results pane, showing the highest confidence value of all detected keywords in a recording (allowing to judge…

Keyword Spotting (KWS)

…specifying a confidence threshold (i.e. a default value will be used – all detected occurrences will be reported), and not explicitly specifying any pronunciation (i.e. a default pronunciation, generated internally using grapheme-to-phoneme mechanism, will be used) an iPhone keyword, which is disabled (i.e. will not be included in search), specifying a confidence threshold value 0.6 (i.e. that – if the…

Releases and Changelogs (SPE)

…alternative word New: KWS confidence value calculation can be modified using confidence_shift and confidence_sharpness values (see KWS results explained article for more details) New: Added utterance_length to SID/SID4 voiceprint results New: Added /output_stream and audio file player (/utils/player/output_stream) endpoints New: Added 5th generation of AR_XL (Arabic Levantine) (Beta version) of STT, KWS and PHNREC (combines both North- and South Levantine,…

KWS: Results explained

…sheet demonstrating the sigmoid function: Score-to-Confidence. Score-to-confidence conversion tuning Starting with SPE/BSAPI 3.24 (October 2019) it’s possible to modify the confidence calculation using confidence_shift and confidence_sharpness values in user configuration file in [score_calib:SKeywordScoreCalibrationI] section. User configuration file must have the same name as original configuration file, with added .usr extension, e.g. kws_en_us_5.bs.usr – see the What is a user configuration…

STT: Results explained

…[ { “confidence” : 0.928772 }, { “confidence” : 0.8764362 }, { “confidence” : 0.818197 }, { “confidence” : 0.90403795 } ] }, “n_best_result” : { “phrase_variants” : [ { “variant” : [ { “phrase” : “i guess we can go on and tom can hear me”, “channel” : 0, “score” : 522.73157, “confidence” : 0.20116612 }, { “phrase” :…