Audio System Equalizing
AssigneeBose Corporation
InventorsWontak Kim, Michael J. Daley, Laszlo Drimusz, Matthew S. Walsh
Life of this patent
Estimating the term…
Abstract
Processes and devices for equalizing an audio system that is adapted to use a loudspeaker to transduce test audio signals into test sounds. The processes and devices can involve the use of infrared signals to convey information in one or both directions between the audio system and a portable computer device that captures test sounds, calculates audio parameters that can be used in the equalization process, and transmits these audio parameters back to the audio system for its use in equalizing audio signals that are played by the audio system.
Claims23
A dongle that is adapted to be coupled to a portable computer device, where the portable computer device is adapted to communicate with an audio system, where the audio system is adapted to use a single transducer to transduce generated audio signals from an audio signal source into test sounds, the dongle comprising:
- a microphone adapted to detect test sounds radiated by the single transducer of the audio system when the audio system plays generated audio signals;
- wherein a time delay between the generation of the audio signals, and the receipt of the test sounds by the microphone, is determined, where the time delay is determined by correlating the generation of the audio signals with the receipt of the test sounds by the microphone;
- wherein a frequency response is determined based on both the received test sounds and the determined time delay;
- and
- an infrared transmitter adapted to transmit infrared signals to the audio system, where the transmitted infrared signals convey to the audio system audio parameters that are based on the determined frequency response.
A process for equalizing a first audio system that is adapted to use a single transducer to transduce generated audio signals into test sounds, the process comprising:
- capturing with a remote device the test sounds that were radiated by the single transducer;
- determining a time delay between the generation of the audio signals, and the receipt of the test sounds by the remote device, where the time delay is determined by correlating the generation of the audio signals with the receipt of the test sounds by the remote device;
- calculating, based on the both the captured test sounds and the determined time delay, information that can be used to achieve a desired frequency response from the first audio system;
- wirelessly transmitting, by an infrared transmitter that is functionally associated with the remote device, and as a series of infrared signals, the calculated information;
- receiving, by an infrared receiver that is functionally associated with the first audio system, the transmitted infrared signals;
- translating, by the first audio system, the received infrared signals into an audio system equalization pattern that is appropriate to achieve a desired frequency response from the first audio system;
- and
- saving, in a memory of the first audio system, the audio system equalization pattern.
A method that uses a portable computer device that is adapted to communicate with an audio system, where the audio system is adapted to use a single transducer to transduce generated audio signals from an audio signal source into test sounds, the method comprising:
- receiving, by a microphone associated with the portable computer device while the portable computer device is at a first location in a listening space, test sounds radiated by the single transducer of the audio system when the audio system plays generated audio signals;
- determining a time delay between the generation of the audio signals, and the receipt of the test sounds by the microphone, where the time delay is determined by correlating the generation of the audio signals with the receipt of the test sounds by the microphone;
- determining, based on both the received test sounds and the determined time delay, a frequency response for the first location;
- and
- transmitting to the audio system, based on the determined frequency response, audio parameters that are appropriate to achieve a desired acoustic profile from the one or more loudspeakers of the audio system.
(canceled)
Dependencies are inferred from the claim text.