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Diplophonia: Double Pitch Phonation - Laryngopedia | Dr ...
https://laryngopedia.com/diplophonia/
Diplophonia. Diplophonia is double pitch phonation. Often seen with vocal cord paralysis, and in submucosal disorders such as epidermoid cyst and glottic sulcus. Except for a type of luffing diplophonia that may be functionally produced, diplophonia tends to be a pathologic vocal phenomenon. Use Up/Down Arrow keys to increase or decrease volume.
Towards Objective Voice Assessment: The Diplophonia ...
https://pubmed.ncbi.nlm.nih.gov/27473932/
Objectives: Diplophonia is an often misinterpreted symptom of disordered voice, and needs objectification. An audio signal processing algorithm for the detection of diplophonia is proposed. Diplophonia is produced by two distinct oscillators, which yield a …
Diplophonia reappraised - PubMed
https://pubmed.ncbi.nlm.nih.gov/10622520/
The acoustic structure of diplophonia was investigated spectrographically and in terms of perturbation measures, while the perception of diplophonia among other voice qualities was confirmed auditorily by trained listeners. Recordings of pathological voices were presented to listeners for systematic …
Right Vocal Cord Paralysis - YouTube
https://www.youtube.com/watch?v=1Knf5HFSqCM
Right Vocal Cord Paralysis - YouTube This is an example of a right vocal cord paralysis. The differential tension on the two vocal cords creates a double sound, or diplophonia. This is an example...
Towards Objective Voice Assessment: The Diplophonia ...
https://www.sciencedirect.com/science/article/pii/S0892199716302569
Only the audio waveforms and spectrograms were visible to the rater. In accordance to the clinical group allocation, the considered voice quality labels were (1) euphonic, (2) diplophonic, and (3) dysphonic. Figure 1 shows an example of recorded phonation, labeled for segmental voice quality. The phonation is dysphonic at first, diplophonic in the middle, and …
Detection of Diplophonation in Audio Recordings of …
https://www.sciencedirect.com/science/article/pii/S0892199718300845
Example of a recording of a frequently diplophonic subject, annotated with Praat. The signal corresponds to the text fragment “… da musste der Nordwind zugeben, ….” The top plot shows the waveform, and the plot below the spectrogram. Annotations regarding the presence of diplophonia and voicing are underneath.
(PDF) Diplophonic Voice - Definitions, models, and …
https://www.researchgate.net/publication/271441725_Diplophonic_Voice_-_Definitions_models_and_detection
The audio samples were assessed for the grade of hoarseness and the presence of diplophonia. Jitter and shimmer were reported with regard to perceptual ratings.
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