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— | interfaces [2018/11/01 18:55] (current) – created - external edit 127.0.0.1 | ||
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+ | ====== Interfaces ====== | ||
+ | Sensors typically need to be interfaced to the computer in one way or another. It is possible to buy sensor interfaces, and it also possible to build them yourself. This page gives an overview of both. | ||
+ | ===== Tutorials ===== | ||
+ | * [[tutorials: | ||
+ | * [[tutorials: | ||
+ | * [[http:// | ||
+ | interface]] - external link | ||
+ | * [[tutorials: | ||
+ | |||
+ | ===== Commercially available sensor interfaces ===== | ||
+ | |||
+ | Commercially available sensor interfaces intended for musical and artistic purposes generally use either MIDI or [[http:// | ||
+ | |||
+ | Popular MIDI devices (e.g. I-CubeX, MIDItron, Eo-body) have the advantage of being able to connect directly to any MIDI-compatible equipment. However, many interfaces need to be connected to a computer, at least temporarily, | ||
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+ | The shortcomings of MIDI in terms of resolution and speed, make OSC based sensor interfaces (e.g. Ethersense, Toaster, gluion) more attractive. Such devices typically allow for higher resolution and sampling rates, and long-distance communication over standard high-speed ethernet connections. | ||
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+ | There are even devices that use digital audio for communication (e.g. Teabox), but this requires the computer to be equipped with a digital audio input. | ||
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+ | Finally, a number of newer devices use serial ports for communication (via USB or Bluetooth), or straight USB/HID. While they still can easily be used for musical and artistic purposes given that the data can be re-routed to MIDI or OSC communication protocols, serial port and USB/HID communications are often used for physical computing applications. | ||
+ | ===== Table of sensor interfaces ===== | ||
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+ | Comparison of a number of popular sensor interfaces for musical and artistic purposes, ordered by their selling price. | ||
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+ | //Please note that prices and specifications are taken from the manufacturer’s websites or provided by manufacturers **without independent verification**, | ||
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+ | //About the input sampling rate: while often the internal clock speed of A/D converters is expressed in **MHz**, the effective data acquisition rate is more commonly expressed in **ksps** (i.e. kilo samples per second). A/D conversion often requires a few clock cycles (depending on the wanted resolution), | ||
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+ | ^Product | ||
+ | |HID gamepad | ||
+ | |HID joystick | ||
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