Speech clarity of artificial ears in a noisy environment.

Speech Enhancement in a Noisy Car Environment

We present a new speech enhancement method for robust speech recognition in a noisy car environment. The method is based on the combination of two important building blocks, namely blind source separation given two microphone signals and speech denoising using a hybrid Wavelet Independent Component Analysis (ICA) filterbank. The first block separates point sources such as the passenger’s voice ...

Automatic speech recognition in a noisy environment

Speech recognition in the noisy car environment

Adaptation and use of an algorithm for recognition of connected words in an application for mobile radio telephony is described. Two data bases were collected in a compact car running about 120 km/h containing speech uttered via handset and in hands-free mode for each 10 speakers. In the first phase, a connected-words recognition algorithm was improved using the handset data base. Starting with...

Hands-Free Speech Recognition In A Noisy And Reverberant Environment

Speech recognition for interaction with a robot in noisy environment

One of the main problems with speech recognition for robots is noise. In this paper we propose two methods to enhance the robustness of continuous speech recognition in noisy environment. We show that the accuracy of recognition can be improved by better weighting the language model in the decision process. The second proposed method is based on language model adaptation. The experiments showed...