s2000a

# s2000a - x 1 0 0.75 0.5 0.25 Sour ce M icr ophones Equation...

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1 0 0.75 0.5 0.25 Source Microphones Equation Chapter 1 Section 1Tim e Delay Estimation – Angle of Arrival Overview Here, we introduce you to a simpler problem of determining the direction in which a distant speaker lies from three signals received by three distinct microphones. For this section we assume that only the direct-path signal components reach each microphone, i.e., there are no reflected components. Remember as you work on this project that there are many ways of approaching the problems. The purpose of the project is to let you try out some of the ideas you have learned so far and explore their use in solving (somewhat) practical problems. We denote the direct-path component emitted by the source as . The signal component emitted by the source travels a distance from the source to microphone , and is received at microphone as where \ * MERGEFORMAT () Equation models the attenuation and delay of the signal component as a function of the distance and path traversed by the signal component. The parameters of the equation are , and . The distance is measured in the units of the room of Figure 1, and t is measured in seconds. V is the speed of the waveform in terms of room units per second. Ch. 10 s2000a

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s2000a - x 1 0 0.75 0.5 0.25 Sour ce M icr ophones Equation...

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