Essays about: "acoustic echo suppression"

Found 2 essays containing the words acoustic echo suppression.

  1. 1. Combining Acoustic Echo Cancellation and Suppression

    University essay from Institutionen för systemteknik

    Author : Fredrik Wallin; [2003]
    Keywords : Reglerteknik; acoustic echo cancellation; acoustic echo suppression; hybrid system; subjective listening tests; PESQ; perception; Reglerteknik;

    Abstract : The acoustic echo problem arises whenever there is acoustic coupling between a loudspeaker and a microphone, such as in a teleconference system. This problem is traditionally solved by using an acoustic echo canceler (AEC), which models the echo path with adaptive filters. READ MORE

  3. 2. Akustisk ekoutsläckare

    University essay from Blekinge Tekniska Högskola/Institutionen för signalbehandling

    Author : Jörgen Nordberg; Joakim Skoog; [1996]
    Keywords : akustiska ekovägen; Digital Signal Processor;

    Abstract : This Masters thesis report evaluates a method of acoustic echo cancellation in a hands-free mobile phone system. The method uses an adaptive subband filter architecture to get a faster convergence rate and adaptive FIR filters that are easy to handle. READ MORE