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US 11,889,262 B2Granted
In-ear audio system
AssigneeEpix Audio, LLC
InventorsRocky Lain Hardie, Hyeon Lee
Life of this patent
Estimating the term…
Abstract
Techniques are described for an in-ear audio system that delivers high quality sound into an ear canal of the user using two or more waveguides. Each of the waveguides may deliver sound output by individual drivers to a consolidation zone. The sound may be mixed at the consolidation zone and delivered to the ear canal of the user.
Claims20
A device comprising:
- a first driver to output first acoustic energy within a first frequency band;
- a second driver to output second acoustic energy within a second frequency band;
- a third driver to output third acoustic energy within a third frequency band;
- a first waveguide associated with the first driver, the first waveguide having a larger section with a first top opening positioned to receive the first acoustic energy from the first driver and a smaller section with a first bottom opening positioned to output the first acoustic energy, wherein a cutoff frequency of sound propagating in the first waveguide may be defined as the cutoff frequency equal to a first value divided by a second value, the first value equal to a Bessel function coefficient times a speed of sound propagations and the second value equal to it times a diameter of the first waveguide;
- and
- a second waveguide associated with the second driver and the third driver, the second waveguide having a larger section with a second top opening positioned to receive the second acoustic energy from the second driver and the third acoustic energy from the third driver and a smaller section with a second bottom opening positioned to output the second acoustic energy and the third acoustic energy.
3 more elements
A system comprising:
- a first driver to output first acoustic energy within a first frequency band;
- a second driver to output second acoustic energy within a second frequency band;
- a first waveguide associated with the first driver, the first waveguide having a first opening positioned to receive the first acoustic energy from the first driver and to output the first acoustic energy, wherein the first waveguide has a first larger section physically proximal to the first driver and a first smaller section opposite the larger section to output the first acoustic energy and an angle between the first top opening and a surface of a wall of the first waveguide is between approximately 21.10 degrees and approximately 41.5 degrees;
- and
- a second waveguide associated with the second driver, the second waveguide having a second opening positioned to receive the second acoustic energy from the second driver to output the second acoustic energy.
2 more elements
A device comprising:
- a first waveguide having a first opening at a first end and a second end, the first waveguide to receive first acoustic energy at the first opening and to propagate the first acoustic energy to the second end, the second end of the first waveguide opposite the first end of the first waveguide, wherein the first waveguide has a substantially conical shape with a first larger section physically proximal to the first opening and a first smaller section physically proximal to the second end and an angle between the first top opening and a surface of a wall of the first waveguide is between approximately 21.10 degrees and approximately 41.5 degrees;
- and
- a second waveguide having a first opening at a first end and a second end, the second waveguide to receive second acoustic energy and third acoustic energy at the first opening and to propagate the second acoustic energy and the third acoustic energy to the second end, the second end of the second waveguide opposite the first end of the second waveguide, wherein the second waveguide has a substantially conical shape with a first larger section physically proximal to the first opening and a first smaller section physically proximal to the second end and an angle between the second top opening and a surface of the wall of the second waveguide is between approximately 94.2 degrees and approximately 39.10 degrees.
Dependencies are inferred from the claim text.