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Context in Multi-lingual Tone and Pitch Accent Recognition

by Gina-Anne Levow
"... Tone and intonation play a crucial role across many languages. However, the use and structure of tone varies widely, ranging from lexical tone which determines word identity to pitch accent signalling information status. In this paper, we employ a uniform representation of acoustic features for reco ..."
Abstract - Cited by 20 (7 self) - Add to MetaCart
for recognition of both Mandarin tone and English pitch accent. The representation captures both local tone height and shape as well as contextual coarticulatory and phrasal influences. By exploiting multiclass Support Vector Machines as a discriminative classifier, we achieve competitive rates of tone and pitch

Query by Humming of MIDI and Audio Using Locality Sensitive Hashing

by Matti Ryynänen, Anssi Klapuri - Proceedings of the 2008 IEEE International Conference on Acoustics, Speech, and Signal Processing. Available online at www.cs.tut.fi/∼mryynane/ryynanen icassp08 , 2008
"... This paper proposes a query by humming method based on locality sensitive hashing (LSH). The method constructs an index of melodic fragments by extracting pitch vectors from a database of melodies. In retrieval, the method automatically transcribes a sung query into notes and then extracts pitch vec ..."
Abstract - Cited by 16 (2 self) - Add to MetaCart
This paper proposes a query by humming method based on locality sensitive hashing (LSH). The method constructs an index of melodic fragments by extracting pitch vectors from a database of melodies. In retrieval, the method automatically transcribes a sung query into notes and then extracts pitch

Idempotent Vector Design for Standard Assembly of Biobricks, DSpace

by Tom Knight, All Rettberg, Leon Chan, Drew Endy, Reshma Shetty, Austin Che
"... The lack of standardization in assembly techniques for DNA sequences forces each DNA assembly reaction to be both an experimental tool for addressing the current research topic, and an experiment in and of itself. One of our goals is to replace this ad hoc experimental design with a set of standard ..."
Abstract - Cited by 70 (3 self) - Add to MetaCart
attempt has as yet been made to establish any system, each manufacturer having adopted whatever his judgement may have dictated as best, or as most convenient for himself ” (Surowiecki 02). He argued forcefully and successfully for the standardization of pitch, diameter, and form of screw threads

Estimating single-channel source separation masks: Relevance vector machine classifiers vs. pitch-based masking

by Ron J. Weiss, Daniel P. W. Ellis - in Proc. Workshop Statist. Percept. Audition , 2006
"... Audio sources frequently concentrate much of their energy into a relatively small proportion of the available time-frequency cells in a short-time Fourier transform (STFT). This sparsity makes it possible to separate sources, to some degree, simply by selecting STFT cells dominated by the desired so ..."
Abstract - Cited by 15 (6 self) - Add to MetaCart
source, setting all others to zero (or to an estimate of the obscured target value), and inverting the STFT to a waveform. The problem of source separation then becomes identifying the cells containing good target information. We treat this as a classification problem, and train a Relevance Vector

An instantaneous vector representation of delta pitch for speaker-change prediction in conversational dialogue systems

by Kornel Laskowski, Jens Edlund, Mattias Heldner , 2008
"... As spoken dialogue systems become deployed in increasingly complex domains, they face rising demands on the naturalness of interaction. We focus on system responsiveness, aiming to mimic human-like dialogue flow control by predicting speaker changes as observed in real human-human conversations. We ..."
Abstract - Cited by 15 (12 self) - Add to MetaCart
derive an instantaneous vector representation of pitch variation and show that it is amenable to standard acoustic modeling techniques. Using a small amount of automatically labeled data, we train models which significantly outperform current state-of-the-art pause-only systems, and replicate to within 1

Static Internal Performance of a Single Expansion Ramp Nozzle With Multiaxis Thrust Vectoring Capability

by Francis J. Capone, Alberto W. Schirmer, Francis J. Capone, Alberto W. Schirmer
"... An investigation has been conducted at static conditions in order to determine the internal performance characteristics of a multiaxis thrust vectoring single expansion ramp nozzle. Yaw vectoring was achieved by de ecting yaw aps in the nozzle sidewall into the nozzle exhaust ow. In order to elimina ..."
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to eliminate any physical interference between the variable angle yaw ap de ected into the exhaust ow and the nozzle upper ramp and lower ap which were deected for pitch vectoring, the downstream corners of both the nozzle ramp and lower ap were cut o to allow for up to 30 of yaw vectoring. The e ects

Unsupervised and semi-supervised learning of tone and pitch accent

by Gina-anne Levow - In Proc. HLT-NAACL , 2006
"... Recognition of tone and intonation is essential for speech recognition and language understanding. However, most approaches to this recognition task have relied upon extensive collections of manually tagged data obtained at substantial time and financial cost. In this paper, we explore two approache ..."
Abstract - Cited by 13 (1 self) - Add to MetaCart
ranging from broadcast news to clean lab speech. For English pitch accent in broadcast news materials, results reach 78%. In the semi-supervised framework, we achieve Mandarin tone recognition accuracies ranging from 70 % for broadcast news speech to 94 % for read speech, outperforming both Support Vector

Towards Combining Pitch And Mfcc For Speaker Identification Systems

by Hassan Ezzaidi, Jean Rouat, Douglas O'Shaughnessy - in Proc. Eurospeech, 2001 , 2001
"... Usually, speaker recognition systems do not take into account the dependence between the vocal source and the vocal tract. A feasibility study that retains this dependence is presented here. A model of joint probability functions of the pitch and the feature vectors is proposed. Three strategies are ..."
Abstract - Cited by 8 (0 self) - Add to MetaCart
Usually, speaker recognition systems do not take into account the dependence between the vocal source and the vocal tract. A feasibility study that retains this dependence is presented here. A model of joint probability functions of the pitch and the feature vectors is proposed. Three strategies

Vectoring Performance

by Jacob Izraelevitz, Michael Triantafyllou, Jacob Izraelevitz , 2013
"... In this thesis, I study the effect of adding in-line oscillation to heaving and pitching foils using a power downstroke. I show that far from being a limitation imposed by the muscular structure of certain animals, in-line motion can be a powerful means to either substantially augment the mean lift, ..."
Abstract - Add to MetaCart
In this thesis, I study the effect of adding in-line oscillation to heaving and pitching foils using a power downstroke. I show that far from being a limitation imposed by the muscular structure of certain animals, in-line motion can be a powerful means to either substantially augment the mean lift

Impact of Distance in Pitch Class Profile Computation

by Giordano Cabral, Jean-pierre Briot, François Pachet
"... Abstract. Pitch Class Profiles (PCP) [Fujishima 1999] are largely used for all applications involving harmonic content. Although the main steps of the PCP calculation are generally equal over all the scientific literature, some implementation details may vary, specially the impact of the distance be ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
Abstract. Pitch Class Profiles (PCP) [Fujishima 1999] are largely used for all applications involving harmonic content. Although the main steps of the PCP calculation are generally equal over all the scientific literature, some implementation details may vary, specially the impact of the distance
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Results 11 - 20 of 507
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