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Tag: ​ MIDI

Ikutaro Kakehashi: The Driving Force Behind MIDI

Ikutaro Kakehashi was one of the most influential figures in electronic music in the 20th century. He overcame many challenges in his early life to become the head of one of the most innovative electronic musical instrument companies in the world—Roland Corporation.

Early Life and Challenges

Born in 1930 in Osaka, Japan, Kakehashi lost both of his parents to tuberculosis by the age of two. Raised by relatives, he began working at the Hitachi shipyards in Osaka at 14, where he developed an interest in mechanical engineering.

After being rejected from Osaka University due to health issues, he moved to Kyushu at 16 and worked as a geographical survey assistant. Noticing a lack of resources for clock and watch repair in post-war Japan, he taught himself watch repair and opened the Kakehashi Watch Shop.

Young Ikutaro Kakehashi in front of his watch shop in Kyushu, circa 1946

At 20, he planned to close his business and pursue university education, but contracted tuberculosis and was hospitalized for three years. As a test patient for the experimental drug Streptomycin, his health improved, allowing him to leave the hospital and begin his life’s work in electronic music.

Founding Ace Tone and Early Innovations

In 1955, Kakehashi began experimenting with monophonic electronic musical instruments and founded Ace Electronic Industries. Initially attempting to build his own Theremin, he found it difficult to play and shifted focus.

In 1960, Ace Electronic Industries became Ace Tone, producing several successful products. Kakehashi collaborated with Matsushita (now Panasonic) to design the National SX-601 organ. His main collaborator at National was Kenji Matsumoto, with whom he maintained a lifelong friendship.

Kakehashi with the Technics SX-601 organ

International Exposure and the Birth of Roland

In 1964, Kakehashi attended his first NAMM show with the Ace Electronics R1 Rhythm Ace. Although he didn’t secure orders, he made valuable connections and learned about the latest electronic designs.

Many electronic music pioneers were influenced by home organs

In 1971, he helped Hammond develop the Piper Organ, the world’s first single-manual organ with a rhythm accompaniment unit.

Kakehashi with the Hammond Piper Organ

As Ace Tone grew, more investors joined, eventually leading to Kakehashi becoming a minority shareholder. Disagreeing with the new direction, he left and, in 1972, founded Roland Corporation with $100,000 in capital. Roland would go on to become a leader in electronic musical instruments.

Contribution to MIDI

Kakehashi’s vision extended beyond instruments. He recognized the need for a standard protocol to allow electronic instruments from different manufacturers to communicate. Collaborating with Dave Smith of Sequential Circuits, they introduced MIDI (Musical Instrument Digital Interface) in 1983, revolutionizing music production and performance.

Legacy

Ikutaro Kakehashi’s innovations, including the TR-808 drum machine and the development of MIDI, have left an indelible mark on music. He passed away in 2017, but his contributions continue to influence musicians and producers worldwide.


Further Reading

The History Of Roland: Part 1

The Roland name is almost synonymous with music technology — there can’t be an SOS reader who has not made use of their instruments at some time. As founder Ikutaro Kakehashi approaches his 75th birthday, we begin a journey through the company’s extraordinary history…

The History Of Roland: Part 2

This month, we see how Roland survived some tricky times at the start of the 1980s, and how founder Ikutaro Kakehashi ensured that they were well-placed to take advantage of technological developments over the following few years.

The History Of Roland: Part 3

Roland made their name with analogue synths and effects, but by the mid-1980s, they needed to go digital to remain competitive. It was a leap into the unknown for the company, but it ushered in a golden era…


Redefining Rhythm: A History of Roland Drums – Roland Articles

Explore ground-breaking Roland drums—starting from the early days and looking to the future with D-Flux, the 50th anniversary concept model.


Ikutaro Kakehashi | NAMM.org

Ikutaro Kakehashi, the founder of Roland Corporation, created more than a successful business with a host of important innovations in electronic musical instruments; he has also paid tribute throughout his career to those who first inspired him. Mr. Kakehashi was born in Japan and formed Ace Electronics in 1964 with the goal of improving the electronic organ, following up on the work of his heroes, Mr. Hammond and Mr. Leslie. With the expansion of electronics in the late 1960s, he formed the Roland Corporation, which soon became one of the leaders in the industry.

https://www.namm.org/library/oral-history/ikutaro-kakehashi


The life and times of Ikutaro Kakehashi, the Roland pioneer modern music owes everything to

It’s almost impossible to imagine what modern music would sound like had Ikutaro Kakehashi not been born in an Osaka hospital on February 7, 1930.

http://www.factmag.com/2017/04/02/ikutaro-kakehashi-life/


Roland Founder Ikutaro Kakehashi Has Died – Synthtopia

http://www.synthtopia.com/content/2017/04/01/roland-founder-ikutaro-kakehashi-has-died/


TR-808 Drum Machine Inventor Ikutaro Kakehashi Dies | HipHopDX

Founder of the Roland Corporation and inventor of the TR-808 drum machine Ikutaro Kakehashi passes away at 87.

http://hiphopdx.com/news/id.42924/title.music-world-mourns-loss-of-roland-tr-808-drum-machine-inventor-ikutaro-kakehashi


Roland Corporation Founder Ikutaro Kakehashi dead at 87 | Fortune

He created the TR-808 drum machine and dozens of other musical mainstays.

https://fortune.com/2017/04/02/ikutaro-kakehashi-roland-obit

All images courtesy of MIDI.org. Used with permission for educational and historical purposes.


Basics of USB-MIDI

USB MIDI 2.0 ADOPTED

MIDI 2.0 Progress Continues with Updated USB Specification –  

As computers have become central components in many MIDI systems, USB has become the most widely used protocol for transporting MIDI data. With the introduction of MIDI 2.0, the USB Implementers Forum’s USB MIDI 2.0 working group, headed by members o

 

 

 

USB and MIDI

 

MIDI has stayed relevant for over 30 years by adapting to the different ways that computers send information to and from external devices. MIDI can now be sent over 5 Pin DIN, Serial Ports, USB, Firewire, Ethernet, Bluetooth and more. But currently the most prevalent way to connect to computers, tablets and smartphones is USB. This article will cover the basics of USB-MIDI.

 

Why USB came about

 

In the early 1990’s, there were far too many types of connectors on computers. There were separate serial ports, parallel ports, keyboard and mouse connections, and joystick ports, It was hard for people to tell whether the peripheral they were buying would actually work with their computer.  So Compaq, Intel, Microsoft and NEC ( joined later by Hewlett-Packard, Lucent and Philips) formed the USB Implementers Forum, Inc, a non-profit corporation to publish the specifications and organise further development in USB. Similar to the MIDI Manufacturers Association, the USB-IF makes sure that there is interoperability between USB devices.

 

Goals of USB

 

The USB-IF had some clear goals when first developing the USB specification

  • Standardize connector types: There are now several different types of USB connectors, but they are all standardized by the USB-IF
  • Hot-swappable: USB devices can be safely plugged and unplugged as needed while the computer is running. So there is no need to reboot.
  • Plug and Play: USB devices are divided into functional types (Audio, Image, Human User Interface, Mass Storage) and then operating system software can automatically identify, configure, and load the appropriate device driver when a user connects a USB device.
  • High performance: USB offers low speed (1.5 Mbit/s), full speed (12 Mbit/s) and high speed (up to 480 Mbit/s) transfer rates that can support a variety of USB peripherals. USB 3.0 (SuperSpeed USB) achieves the throughput up to 5.0 Gbit/s.
  • Expandability: Up to 127 different peripheral devices may theoretically be connected to a single bus at one time

 

USB System Architecture

 

The basic USB system architecture is actually pretty simple and consists of the following main components:

  • A Host Computer, Smartphone or Tablet
  • One or more USB Devices
  • A physical bus represented by the USB Cable that links the devices with the host 

The Universal Serial Bus is a host controlled bus. All data transfers are initiated and controlled by the host and USB peripherals are slaves responding to host commands. So for  USB MIDI peripheral devices you need a computer, smartphone or tablet in the system to control and initiate USB communication.

 

USB Device Classes

 

USB devices are defined into specific functional classes, for example image, human interface devices (keyboard, mouse, joystick), mass storage, and audio. The operating system can then know what the devices is designed to do and automatically load what is called a class compliant driver for that type of devices. In 1999, the MIDI specification was developed by the USB-IF in cooperation with the MIDI Manufacturers Association and included in the Audio class of devices.  That is why sometimes when you connect a USB-MIDI peripheral, the OS will display a message that says USB-Audio devices connected.  As far as USB is concerned MIDI is an Audio Class Compliant device.

 

Class Compliant Drivers versus Manufacturer Specific Drivers

 

Class compliant drivers are convenient because you don’t have to download any external software.  But often manufacturer specific drivers provide added functionality. Let’s use Yamaha has an example.  Because data transfer on USb is much faster than 5 pin DIN it is possible to have multiple ports of MIDI (a port is a group of 16 MIDI channels) on a single USB cable. The dedicated Yamaha USB Driver provides for 8 ports of high speed USB, includes the names of all the devices that are compatible with the driver and has some routing capabilities. These features are only available if you download the driver from Yamaha’s website.  Also many audio interfaces are also MIDI interfaces and audio and MIDI travel over the USb cable.  So if you purchase a MIDI or Audio interface you should always check the product manual and manufacturer’s website to see if there is a dedicated USB driver for your product that provides added functionality. Often even if the manufacturer specific driver is available when connected to a device which don’t allow driver downloads into the operating system (for example iOS devices), the product will still work as a class compliant USB device.

 

Types of USB MIDI connectors

 

Over the years, USB has developed and there are now a number of different cable types and USB specifications. Let’s take a look at the different connectors.

 

 

 

 

Originally most desktop and laptops computers had the standard sized Type A USB connector. A standard USB cable has a Type A connector on one end to connect to the host and a Type B connector on the other end to connect to the peripheral device. This is still the most common cable to connect a MIDI instrument to a computer.

 

 

 

 

USB Type A host connector

 

 

 

 

Type B USB peripheral connector

 

 

The Type A connector has a pin that supplies power to external peripherals so you need to be carefully about trying to connect two hosts via a Type A to Type A cable. This can cause serious damage to your gear so consult the manufacturer and manual before attempting this.

 

The Type A connector is for host controllers (computers, smartphones, tablets and some digital musical instruments that act as hosts) and USB hubs. A USB hub is a device that expands a single (USB) port into several so that there are more ports available to connect devices to a host system.USB hubs are often built into equipment such as computers, computer keyboards, monitors, or printers. When a device has many USB ports, they all usually stem from one or two internal USB hubs rather than each port having independent USB circuitry. If you need more USB ports, there are also external hubs that you can buy. You need to check to see if your USB peripherals need to be powered by USB and if they do you may need a powered USB hub.

 

 

 

 

On many digital musical instruments you find two USB connectors – one Type A connector labeled To Device and one Type B labeled To Host .  The To Host is usually used to send MIDI, Audio or both Audio and MIDI to a computer, smartphone or tablet. If your digital music product sends both MIDI and Audio over USB, you will almost certainly need a manufacturer specific driver.

The To Device is usually used for USB Storage devices like Flash Thumb drives, but it can be used for other things depending on what the Host music product supports for device classes.

 

 

 

 

USB A-Type

 

Considered the standard and most common type of connector, A-style connectors are found on the PC or charger side of most cables. This flat, rectangular interface is held in place through friction. Durable enough for continuous connection but easy enough for users to connect and disconnect, this connector type is also available in micro variations.

 

USB B-Type

 

Type-B USBs were traditionally used with printer cables but, they’re now found on many popular models of Android smartphones and external hard drives. These USBs feature a square interface and are available as a Micro-USB B, USB Mini-b (5-pin), and USB Mini-b (4-pin).

 

USB C-Type

 

The newest type of connector on the market, Type-C is a one-size-fits-all solution. Developed to support devices with a smaller, thinner and lighter form factor. Type-C is slim enough for a smartphone or tablet, yet robust enough for a desktop computer. It also has the advantage of a reversible plug orientation and cable direction, eliminating the guesswork about which direction the connection goes.

 

The future of USB Connectivity

 

USB Type-C is designed as a one-size-fits-all solution for data transfer and power supply on any device. Featuring a smaller connector, Type-C fits into one multi-use port to simultaneously charge devices and transfer data and also offers backward compatibility to support previous USB standards (2.0, 3.0, and 3.1).

Type-C is quickly becoming the new standard for operating systems and hardware providers; Intel’s Thunderbolt recently switched to USB Type-C ports while enabling cross compatibility with USB 3.1. The new Apple MacBooks feature a Type-C port.

The USB-IF predicts that by 2019, all laptops, tablets, mobile phones, and other consumer electronics will be equipped with USB Type-C.

In the meantime, if you have a newer computer, you may need an adapter to connect your MIDI gear to your computer.