Inertial audio effects controller
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An inertial effects controller is an electronic device that senses changes in acceleration, angular velocity and/or a magnetic field[1], and relays those changes to an effects controller. Transmitting the sensed data can be done via wired or wireless methods. To be of use the effects controller must be connected to an effect unit so that an effect can be modulated. The Wah-Wah effect is a classic example of effect modulation.
An inertial effects controller can be compared with a traditional expression pedal. An inertial effects controller uses an inertial sensor to detect changes. A traditional expression pedal uses an electrically resistive element to detect changes.There are some advantages and disadvantages between the two.
Advantages of inertial control
If the device is wireless, it offers an advantage of remote control. Wired or wireless devices have the advantages of no moving parts to break as well as more precise control[2].
Disadvantages of inertial control
Inertial control devices require power to function. Depending on the make and model, this maybe a battery or an AC-DC adapter.
Availability
Conceivably effects to be controlled could be among others, audio, light and motion. Conceivably also any or all of the inertial sensors (accelerometer, gyroscope, magnetometer), could be used for effect modulation. However, currently the only commercially available products are designed for control of audio effects and use acceleration sensing only[2][3].
Future
Inertial control of a device, wired or wireless, is a relatively recent and growing trend as technology advances have reduced pricing and size as well as improved usability and performance of the core components[4][5]. Specifically the core components are an inertial device called a Mirco- Electro-Mechanical-System (MEMs), a microcontroller, and for wireless systems, a radio frequency transmitter/receiver.
References
- ^ "MEMS Accelerometer Gyroscope Magnetometer & Arduino". HowToMechatronics. 2015-11-19. Retrieved 2017-11-16.
- ^ a b "EHX.com | Expression Pedal - Real-Time Variable Control | Electro-Harmonix". Electro-Harmonix. Retrieved 2017-11-16.
- ^ "Hot Hand® 3". www.sourceaudio.net. Retrieved 2017-11-16.
- ^ "Thinking outside the chip for MEMS design success - Electronic Products". www.electronicproducts.com. Retrieved 2017-11-16.
- ^ "allaboutmems.com - What is MEMS > MEMS Applications > MEMS in Wireless". www.allaboutmems.com. Retrieved 2017-11-16.