Passive headset with dynamically controlled LEDs
View Patent ↗A method and system for a passive headset with dynamically controlled LEDs, where the method comprises, in a passive headset comprising speakers, light emitting diodes (LEDs), and LED driver circuitry: receiving an electrical signal that includes an audio signal and an LED control signal, filtering out the LED control signal from the received electrical signal and communicating a resulting output audio signal to the speakers, filtering out the audio signal from the received electrical signal and communicating a resulting output LED control signal to the LED driver circuitry, generating a bias voltage for each of the one or more LEDs utilizing the LED driver circuitry and the output LED control signal, and configuring a light output of the LED utilizing the generated bias voltage. The amplifier may include a mixer that sums an audio signal with a control signal.
1. A system for processing audio signals, the system comprising:
a passive headset comprising speakers, one or more light emitting diodes (LEDs), and LED driver circuitry comprising voltage multiplier circuitry that comprises one or more stages, each stage with a capacitor and a diode pair, wherein the headset is operable to:
receive an electrical signal comprising an audio signal and an LED control signal;
filter out the LED control signal from the received electrical signal and communicate a resulting output audio signal to the speakers;
filter out the audio signal from the received electrical signal and communicate a resulting output LED control signal to the LED driver circuitry;
generate a bias voltage for each of the one or more LEDs utilizing the LED driver circuitry and the output LED control signal; and
configure a light output of the LED utilizing the generated bias voltage.
2. The system of claim 1 , wherein an amplifier coupled to the headset via an audio cable generates the received electrical signal.
3. The system of claim 2 , wherein the amplifier comprises audio signal generation circuitry and control signal generation circuitry.
4. The system of claim 3 , wherein the amplifier comprises a mixer that sums an audio a signal from the audio signal generation circuitry with a control signal from the control signal generation circuitry.
5. The system of claim 1 , wherein the headset is operable to receive the electrical signal via a 4-pole audio cable.
6. The system of claim 1 , wherein the LED driver circuitry comprises a step-up transformer.
7. The system of claim 1 , wherein the headset comprises a low-pass filter that filters out the LED control signal and allows the audio signal to pass.
8. The system of claim 1 , wherein the headset comprises a band-pass filter that filters out the audio signal and allows the LED control signal to pass to the LED driver circuitry.
9. The system of claim 8 , wherein the band-pass filter comprises a plurality of filters each tuned to a LED control signal for a different LED of the one or more LEDs.
10. A method for processing audio signals, the method comprising:
In a passive headset comprising speakers, one or more light emitting diodes (LEDs), and LED driver circuitry comprising voltage multiplier circuitry that comprises one or more stages, each stage with a capacitor and a diode pair:
receiving an electrical signal comprising an audio signal and an LED control signal;
filtering out the LED control signal from the received electrical signal and communicating a resulting output audio signal to the speakers;
filtering out the audio signal from the received electrical signal and communicating a resulting output LED control signal to the LED driver circuitry;
generating a bias voltage for each of the one or more LEDs utilizing the LED driver circuitry and the output LED control signal; and
configuring a light output of the LED utilizing the generated bias voltage.
11. The method of claim 10 , wherein an amplifier coupled to the headset via an audio cable generates the received electrical signal.
12. The method of claim 11 , wherein the amplifier comprises audio signal generation circuitry and control signal generation circuitry.
13. The method of claim 12 , wherein the amplifier comprises a mixer that sums an audio a signal from the audio signal generation circuitry with a control signal from the control signal generation circuitry.
14. The method of claim 10 , comprising receiving the electrical signal via a 4-pole audio cable.
15. The method of claim 10 , wherein the LED driver circuitry comprises a step-up transformer.
16. The method of claim 15 , wherein the headset comprises a low-pass filter that filters out the LED control signal and allows the audio signal to pass.
17. The method of claim 10 , wherein the headset comprises a band-pass filter that filters out the audio signal and allows the LED control signal to pass to the LED driver circuitry, and wherein the band-pass filter comprises a plurality of filters each tuned to a LED control signal for a different LED of the one or more LEDs.
18. A system for processing audio signals, the system comprising:
an amplifier comprising audio generating circuitry, control signal generating circuitry, and a mixer, wherein the amplifier is operable to generate an electrical signal that is a sum of an audio signal and an LED control signal utilizing the audio; and
a passive headset comprising speakers, one or more light emitting diodes (LEDs), and LED driver circuitry comprising voltage multiplier circuitry that comprises one or more stages, each stage with a capacitor and a diode pair, wherein the headset is operable to:
receive the electrical signal;
filter out the LED control signal from the received electrical signal and communicate a resulting output audio signal to the speakers;
filter out the audio signal from the received electrical signal and communicate a resulting output LED control signal to the LED driver circuitry;
generate a bias voltage for each of the one or more LEDs utilizing the LED driver circuitry and the output LED control signal; and
configure a light output of the LED utilizing the generated bias voltage.