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Articulation Index - Wikipedia
https://en.wikipedia.org/wiki/Articulation_index#:~:text=In%20audiology%2C%20the%20Articulation%20Index%20%28AI%29%20is%20a,of%20the%20average%20speech%20signal%20that%20is%20audible.
Articulation Index - EEWeb
https://www.eeweb.com/articulation-index/
In audiology, the Articulation Index (AI) is a tool used to predict the amount of speech that is audible to a patient with a specific hearing loss. The AI reading for a given patient can range from zero to one, representing the proportion of …
Articulation Index and Patient Expectations Gus …
https://www.audiologyonline.com/ask-the-experts/articulation-index-and-patient-expectations-481
AI (Articulation Index) helps emphasize the importance of a particular frequency relative to the contribution of incoming speech. Simply put, some frequencies contribute more to speech understanding than others. For example, 2 KHz is the highest weighted frequency, accounting for approximately 1/3 of the overall speech intelligibility.
Understanding the Articulation Index
https://blog.prosig.com/2001/04/11/interpretation-of-the-articulation-index/
The Articulation Index or AI gives a measure of the intelligibility of hearing speech in a given noise environment. The metric was originally developed in 1949 in order to give a single value that categorised the speech intelligibility of a communication system. The basic interpretation of the AI value is the higher the value then the easier it is to hear the spoken word.
Evaluation of an Articulation-Index Based Model for ...
https://pubs.asha.org/doi/10.1044/jshr.3304.676
The Articulation Index (AI) was used to evaluate an “adaptive frequency response” (AFR) hearing aid with amplification characteristics that automatically change to become more high-pass with increasing levels of background noise.
An Application of the Articulation Index to Hearing Aid ...
https://pubs.asha.org/doi/10.1044/jshr.3402.391
The application of the articulation index (Al) model to the fitting of linear amplification was evaluated for 12 subjects with sensorineural hearing loss. Comparisons were made of amplification characteristics specified by the NAL (Byrne & Dillon, 1986) and POGO (McCandless & Lyregaard, 1983) prescriptions, as well as a procedure that attempted to maximize the Al …
Fitting hearing aids with the Articulation Index: Impact ...
https://www.rehab.research.va.gov/jour/00/37/4/souza.htm
Articulation Index, or AI (6, 7). The AI is based on the amount of audible speech information in each of several frequency bands and on the importance of each band to speech recognition. The contribution of each band is summed, resulting in a calculated AI value that ranges from zero, indicating that speech is inaudible,
Methods and applications of the audibility index in ...
https://www.ncbi.nlm.nih.gov/pubmed/25425917
The profession of audiology adopted this model and its quantitative aspects, known as the Articulation Index and Speech Intelligibility Index, and applied these indices to the prediction of unaided and aided speech intelligibility in hearing-impaired listeners.
The Speech Intelligibility Index: What is it and what's it ...
https://journals.lww.com/thehearingjournal/Fulltext/2004/10000/The_Speech_Intelligibility_Index__What_is_it_and.3.aspx
The Speech Intelligibility Index, or SII, is a measure, ranging between 0.0 and 1.0 “that is highly correlated with the intelligibility of speech.” (ANSI, S3.5, 1997, p. 1). 1 You're probably not the only one who isn't familiar with the term. Although drafts of the standard were around in the mid-1990s, it wasn't until the revision of the ANSI S3.5 standard in 1997 that the term SII formally …
20Q: Using the Aided Speech Intelligibility Index in ...
https://www.audiologyonline.com/articles/20q-aided-speech-intelligibility-index-23707
Methods to calculate the audibility of speech have been available since the 1940s—most notably the Articulation Index (AI). Admittedly, the math of the AI is not really conducive for routine clinical use.
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