It is crucial for many methods of inverse filtering that the time domain information of the glottal source waveform is known, e.g. the location of the instant of glottal closure. It is often the case that this information is unknown and/or cannot be determined due to e.g. recording conditions which can corrupt the phase spectrum. In these scenarios, alternative strategies are required. This pap...

abstract a 2.5 year old girl is presented with both hands constriction bands leading to distal amputations and the rare deformity of shoulder duplication in the right side accompanying constriction skin marking over the affected shoulder. the cephalomedial scapula articulated with the clavicle and the caudolateral scapula articulated with humeral head. the most important physical finding which ...

Correspondence between the glottal opening gesture pattern and vowel devoicing in Japanese was examined using PGG with special reference to the pattern of glottal gesture overlap and blending into the neighboring vowel. The results showed that most of the tokens demonstrated either a single glottal opening pattern with a devoiced vowel, or a double glottal opening with a voiced vowel during /Ci...

In nonsedated newborn lambs, nasal pressure support ventilation (nPSV) can lead to an active glottal closure in early inspiration, which can limit lung ventilation and divert air into the digestive system, with potentially deleterious consequences. During volume control ventilation (nVC), glottal closure is delayed to the end of inspiration, suggesting that it is reflexly linked to the maximum ...

(2) A longer period of training was required for the patients with more glottal stop sounds to reach normal or near-normal speech. In the younger age group, normal speech was reached within 6 months for the patients with fewer glottal stop sounds, and within 18 months for the cases with more glottal stop sounds. In the older age group, normal or near-normal speech was reached within 9 months fo...

This paper describes the GlottHMM speech synthesis system for Blizzard Challenge 2011. GlottHMM is a hidden Markov model (HMM) based speech synthesis system that utilizes glottal inverse filtering for separating the vocal tract and the glottal source from speech signal and models both components individually. In this year’s entry, stabilized weighted linear prediction (SWLP) is used to yield mo...

This paper is concerned with glottal opening in the Korean lenis (/p t k/), aspirated (/p t k/) and fortis (/p’ t’ k’/) plosives, using a new non-invasive technique called external lighting and sensing photoglottograph (ePGG) as well as airflow and acoustic data. From the simultaneous recording of ePGG, airflow and acoustic data, we have investigated (a) the timing relations among glottal openi...

To measure the extent to which individual glottal features obtained via inverse filtering can be used to discriminate between the speech of different speakers, we test a set of 16 glottal parameters on a 50-speaker subset of the TIMIT corpus in a frame-level pairwise speaker discrimination task. In addition, we compare a vector of glottal parameters to a set of spectral envelope features in the...

This study presents an automatic glottal inverse filtering (GIF) technique based on separating the effect of the glottal main excitation from the impulse response of the vocal tract. The proposed method is based on a non-negative matrix factorization (NMF) based decomposition of an ultra short-term spectrogram of the analyzed signal. Unlike other state-of-theart GIF techniques, the proposed met...