Impulse

How to calculate time of arrival using room impulse response

How to calculate time of arrival using room impulse response
  1. How do you measure impulse response in a room?
  2. What is room impulse response?

How do you measure impulse response in a room?

Room impulse response measurements can be conducted by placing a loudspeaker and microphone in positions appropriate to the use of the room. Preferably, the source should be the actual loudspeaker that will be employed when the room is in use or a source that emulates the actual source.

What is room impulse response?

The room impulse response is the transfer function between the sound source and microphone. In order to recover the original sound source, the received microphone signal can be convolved with the inverse of the room impulse response function.

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