Back to results
US 8,284,952 B2Granted
Modeling of a microphone
AssigneeAKG Acoustics GmbH
InventorsFriedrich Reining, Hannes Breitschädel
Life of this patent
Estimating the term…
Abstract
A system that models a microphone may include capsules that receive individual signals. The signals may be combined and modified based on a weighting factor. Directivity patterns of a converted signal may be modified or controlled based on the weighting of the signals.
Claims28
A method for modeling a device that converts sound waves into analog and digital signals, the device including a plurality of capsules for generating respective capsule signals representing sound waves, the method comprising:
- combining the capsule signals to generate a plurality of combined capsule signals, each having a specific directivity pattern;
- synthesizing the combined capsule signals to generate a synthesized directivity pattern using a weighted value between selected combinations of combined capsule signals;
- deriving a directivity factor for an overall signal resulting from the steps of combining and synthesizing;
- comparing the derived directivity factor with a stipulated value that corresponds to a desired directivity pattern;
- and
- adjusting the weighted value based on the comparison of the derived directivity factor with the stipulated value and repeating the steps of synthesizing the combined capsule signals, deriving the directivity factor, and comparing the directivity factor until the derived directivity factor is substantially the same as the stipulated value within predetermined limits.
3 more elements
A system comprising:
- a microphone including a plurality of capsules, for generating respective capsule signals representing sound waves;
- a computer-readable medium for storing instructions thereon;
- and
- at least one processor cooperatively associated with the microphone for executing instructions stored in the computer-readable medium to perform the steps of:
- combining the capsule signals to generate a plurality of combined capsule signals, each having a specific directivity pattern;
- synthesizing the combined capsule signals to generate a synthesized directivity pattern using a weighted value between selected combinations of combined capsule signals;
- comparing the derived directivity factor with a stipulated value that corresponds to a desired directivity pattern;
- and
- adjusting the weighted value based on the comparison of the derived directivity factor with the stipulated value and repeating the steps of synthesizing the combined capsule signals, deriving the directivity factor, and comparing the derived directivity factor until the derived directivity factor is substantially the same as the stipulated value within predetermined limits.
6 more elements
Dependencies are inferred from the claim text.