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Audio Classification and Detection

Audio-Based Semantic Concept Classification for Consumer Video

Audio-Based Semantic Concept Classification for Consumer Video

... Index Terms—Audio classification, consumer video classifica- tion, semantic concept detection, soundtrack analysis. I. I NTRODUCTION M ORE and more people are capturing everyday experi- ences using ...

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Classification of Audio Signal Using Local Discriminant Bases

Classification of Audio Signal Using Local Discriminant Bases

... V. CONCLUSION LDB algorithm helps in achieving high classification accuracy. LDB also uses simple dissimilarity measures like node energy and non-stationary index which perform well in identifying the ...

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Audio Classification on Passing Vehicles with Feedforward Neural Network

Audio Classification on Passing Vehicles with Feedforward Neural Network

... vehicle detection and recognition is one example, and a system that assists the task of vehicle detection and recognition is being considered ...the audio classification on moving vehicles not ...

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One-Class SVMs Challenges in Audio Detection and Classification Applications

One-Class SVMs Challenges in Audio Detection and Classification Applications

... In conclusion, due to the need to estimate several classi- fiers if using 1-vs-1 or 1-vs-all approaches to solve an N-class classification problem, in computationally restricted envi- ronments, this can be a ...

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Automatic Detection and Classification of Audio Events for Road Surveillance Applications

Automatic Detection and Classification of Audio Events for Road Surveillance Applications

... for audio-based surveillance can be classified into two main categories, depending upon the architecture used for classification ...automatic detection and recognition of impulsive sounds were ...

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What makes audio event detection harder than classification?

What makes audio event detection harder than classification?

... that audio event classification is easier to deal with than ...the audio event detection task. We present an improved detection pipeline in which a verification step is appended to ...

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Joint Detection and Classification Convolutional

Neural Network on Weakly Labelled Bird Audio

Detection

Joint Detection and Classification Convolutional Neural Network on Weakly Labelled Bird Audio Detection

... non-bird sounds are often ambiguous. Second, the call patterns of different birds varies. For example, the call patterns of a cuckoo and a sparrow are different. Third, audio recordings are usually mixed with ...

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Innovative Method for Unsupervised Voice Activity Detection and Classification of Audio Segments

Innovative Method for Unsupervised Voice Activity Detection and Classification of Audio Segments

... This paper presents an accurate and efficient unsu- pervised VAD method to classify speech-presence and speech-absence segments in an audio. To the best of our knowledge, an unsupervised VAD method that uses ...

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Railway vehicle detection from audio recordings using one-class classification

Railway vehicle detection from audio recordings using one-class classification

... single audio recording from non-target class for training, the AUC is merely ...of audio files during each loop of testing a single audio ...for classification of audio data when the ...

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Comparative study of Classification of Audio Signals

Comparative study of Classification of Audio Signals

... beat detection systems provide a running estimate of the main beat and an estimate of its ...periodicity detection algorithm which is used to detect the lag at which the signal’s envelope is most similar to ...

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Robust audio sensing with multi sound classification

Robust audio sensing with multi sound classification

... daily activities, and infer their health conditions. However, the main challenge is that the real-world environment often contains multiple sound sources, which can significantly compromise the robustness of the above ...

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Speech and crosstalk detection in multichannel audio

Speech and crosstalk detection in multichannel audio

... Crosstalk Detection in Multichannel Audio Stuart ...recorded audio can be broadly classified in four ways: local speech, crosstalk plus local speech, crosstalk alone and ...automatic ...

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Bird detection in audio : a survey and a challenge

Bird detection in audio : a survey and a challenge

... Single-species vs. generic: An important question is whether the detector for a certain situation should be detect- ing individuals from a single species, or more generally such as from a whole taxon. Single-species ...

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Fusion for Audio Visual Laughter Detection

Fusion for Audio Visual Laughter Detection

... For future work we recommend an investigation of fusion on feature-level. We have demon- strated that decision-level fusion improves the performance, but it is not clear how this relates to other fusion techniques. For ...

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Fusion for Audio-Visual Laughter Detection

Fusion for Audio-Visual Laughter Detection

... automatic detection of laughter a challenging but interesting ...laughter detection using audio-visual data from the AMI Meeting ...Corpus. Audio-visual laughter detection is performed ...

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Bird detection in audio : a survey and a challenge

Bird detection in audio : a survey and a challenge

... The most basic is the simple estimation of pres- ence/absence in a given sound clip: a detector outputs a zero if none of the target species are detected, and a one otherwise. This provides relatively little ...

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Perceptual audio features for emotion detection

Perceptual audio features for emotion detection

... In the training phase, the 9-d feature vectors are extracted from the training patterns. To evaluate the recognition rate achieved using mixture models, the fea- ture vectors are fed into the GMM/SVM classifier. Itera- ...

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Audio-assisted movie dialogue detection

Audio-assisted movie dialogue detection

... activity detection (VAD) is a special case of the more general problem of speech segmentation and event ...rough classification of input signal frames based on feature estimation in two classes: speech ...

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Audio Video based Classification using SVM and AANN

Audio Video based Classification using SVM and AANN

... an audio-video based classification using SVM and ...proposed audio-video classification gives an accuracy of ...automatic audio-video classification and ...automatic ...

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Audio features for the Classification of Engagement

Audio features for the Classification of Engagement

... {eliasc,cabralj,nick}@tcd.ie Abstract. This paper analyses the features encapsulated in the speech signal to estimate the engagement of the interlocutors in a conversation. The features used for classifying engagement in ...

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