DE202006002937U1 - Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs - Google Patents

Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs Download PDF

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Publication number
DE202006002937U1
DE202006002937U1 DE202006002937U DE202006002937U DE202006002937U1 DE 202006002937 U1 DE202006002937 U1 DE 202006002937U1 DE 202006002937 U DE202006002937 U DE 202006002937U DE 202006002937 U DE202006002937 U DE 202006002937U DE 202006002937 U1 DE202006002937 U1 DE 202006002937U1
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midi
usb
plug
cable
plugs
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DE202006002937U
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus

Abstract

The cable has a Universal Serial Bus (USB) plug on one side, a five-pole Deutsches Institut für Normung (DIN) MIDI plug on the other side and all the electronics integrated into one or both plugs. The direction of data transfer can be adjusted in software.

Description

In den letzten Jahren haben USB (Universeller serieller Bus) basierte MIDI (Musical Instrument Digital Interface) Umsetzer zunehmende Verbreitung gefunden. Mit deren Hilfe lassen sich Keyboards, Synthesizer, elektronische Klangerzeuger und dergleichen mehr direkt mit einem PC oder Mac verbinden. Für die MIDI Schnittstelle werden 5-pol DIN Stecker benutzt. Die Stromversorgung erfolgt über die USB Schnittstelle.In recent years have been based on USB (Universal Serial Bus) MIDI (Musical Instrument Digital Interface) translator increasing Dissemination found. With their help keyboards, synthesizers, electronic sound generator and the like more directly with a Connect PC or Mac. For the MIDI interface uses 5-pin DIN connectors. The power supply over the USB interface.

Die Softwareschnittstellen zu den Musiker-Applikationen sind standartisiert, neuere Betriebssysteme unterstützen sogar das vor einigen Jahren um MIDI erweiterte "Class Audio" Protokoll auf dem USB Bus. Dadurch entfällt die Notwendigkeit, für solche Geräte spezielle Treibersoftware zu entwickeln.The Software interfaces to the musician applications are standardized, support newer operating systems even the "Class Audio" protocol on the USB bus that was extended a few years ago by MIDI. Thereby deleted the need for such devices develop special driver software.

Zur Zeit werden USB MIDI Umsetzer in Metall- oder Kunststoffgehäusen eingebaut. Damit sind solche Geräte im Vergleich zu einem reinen Kabel im mobilen Einsatz unhandlicher und entsprechend teurer. Der Einbau in ein Kabel erfordert jedoch ein technisches Konzept, welches die Anzahl der Bauteile soweit reduziert, daß man mit einer den Platzverhältnissen innerhalb eines 5pol DIN Steckers entsprechenden Leiterplatte auskommen kann.to Time, USB MIDI converters are installed in metal or plastic housings. These are such devices In comparison to a pure cable in mobile use more cumbersome and accordingly more expensive. However, installation in a cable requires a technical concept that the number of components so far reduces that one with one of the space conditions get along within a 5-pin DIN connector corresponding PCB can.

Dies wäre durch den Einsatz neuerer Mikrocontroller, welche USB Funktionalitäten "on chip" aufweisen grundsätzlich möglich, so man solche in passenden Kleinstgehäuse Bauformen finden kann. Hiermit kann man die "Class Audio MIDI" Spezifikation vollständig einhalten: USB 1.1/USB2.0 "full speed" (12Mbit), Protokoll: "Bulk"-Transaktionen.This would be through the use of newer microcontrollers, which have USB functionalities "on chip" in principle possible, so you can find such in matching micro body designs. Herewith can one the "Class Audio MIDI "specification Completely comply: USB 1.1 / USB2.0 "full speed" (12Mbit), protocol: "bulk" transactions.

Ein kostengünstigerer Weg ist die Verwendung eines einfachen Standart Mikrocontrollers, vorzugsweise eines sog. RISC Modells, dessen Ports direkt mit der USB Leitung verbunden werden. Dieser meldet sich als "low speed" (1,5Mbit) Gerät und (de-)kodiert das USB Protokoll via Software. Zu implementieren sind hier u.a. "Bitstuffing" und "NRZI", sowie das "Class Audio MIDI" Protokoll.One cheaper Way is the use of a simple standard microcontroller, preferably a so-called. RISC model whose ports directly with the USB line can be connected. This logs as "low speed" (1.5Mbit) device and (de-) coded the USB protocol via software. To implement here are u.a. "Bitstuffing" and "NRZI", as well as the "Class Audio MIDI" protocol.

Ein solches "low speed" Gerät erfüllt die Spezifikation nicht, es stehen keine "Bulk" sondern lediglich "Interrupt" Transaktionen als Protokoll zur Vefügung. Darüberhinaus ist eine maximale Datenrate von 800 Bytes/Sekunde garantiert, MIDI benötigt jedoch 3125 Bytes plus den durch die Spezifikation bedingten "Overhead".One such "low speed" device meets the Specification not, there is no "bulk" but only "interrupt" transactions as Protocol available. Furthermore is guaranteed a maximum data rate of 800 bytes / second, MIDI needed however, 3125 bytes plus the specification overhead.

Erste Praxistests auf Microsoft Windows XP und Apple Mac OS X basierten Rechnern zeigen uns jedoch, daß diese Einschränkungen in der Realität nicht aufzutreten scheinen.First Field tests based on Microsoft Windows XP and Apple Mac OS X. Computers, however, show us that this restrictions not in reality seem to occur.

Für die Realisierung eines solchen PC USB MIDI Kabels ist es zudem denkbar, daß die Datenrichtung nicht festgelegt ist, d.h. die Mikrocontroller Software ("Firmware") kann durch Konfiguration am Computer, oder auch durch erkennen von MIDI seitig eingehenden Daten die Datenrichtung dynamisch festlegen.For the realization Such a PC USB MIDI cable, it is also conceivable that the data direction is not fixed, i. The microcontroller software ("firmware") can be configured by configuration on the computer, or even by recognizing MIDI incoming Data dynamically set the data direction.

Dies vereinfacht die Verwendung auf der Nutzerseite deutlich.This simplifies usage on the user side significantly.

Claims (4)

Computer USB MIDI Kabel für Macintosh und/oder Windows Systeme, dadurch gekennzeichnet, – daß auf der einen Seite ein USB Stecker, auf der anderen Seite ein 5-pol DIN MIDI Stecker vorhanden ist. – daß die gesamte Elektronik in einem oder beiden Steckern integriert ist.Computer USB MIDI cable for Macintosh and / or Windows systems, characterized in that - on one side a USB plug, on the other side a 5-pin DIN MIDI connector is present. - That the entire electronics is integrated in one or both plugs. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Richtung der Datenübertragung softwareseitig einstellbar ist.Device according to claim 1, characterized in that that the Direction of data transmission Software is adjustable. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Richtung der Datenübertragung vom Kabel automatisch erkannt wird.Device according to claim 1, characterized in that that the Direction of data transmission automatically detected by the cable. Vorrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die USB1.1/USB2.0 "low speed" Spezifikation verwendet wird und die MIDI Daten entgegen der "Class Audio MIDI" Definition über das "Interrupt" Protokoll übertragen werden.Device according to Claim 1, 2 or 3, characterized that the USB1.1 / USB2.0 "low speed" specification used and the MIDI data will be transmitted against the "Class Audio MIDI" definition via the "Interrupt" protocol.
DE202006002937U 2006-02-22 2006-02-22 Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs Expired - Lifetime DE202006002937U1 (en)

Priority Applications (1)

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DE202006002937U DE202006002937U1 (en) 2006-02-22 2006-02-22 Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006002937U DE202006002937U1 (en) 2006-02-22 2006-02-22 Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs

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DE202006002937U1 true DE202006002937U1 (en) 2006-04-27

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DE202006002937U Expired - Lifetime DE202006002937U1 (en) 2006-02-22 2006-02-22 Universal serial bus (USB) musical instrument digital interface (MIDI) cable, has USB plug on one side, five-pole Deutsches Institut fur Normung (DIN) MIDI plug on other side and all electronics integrated into one or both plugs

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466700A1 (en) 2010-12-20 2012-06-20 Karl Storz GmbH & Co. KG Electrical cable for electrical energy and data transfer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466700A1 (en) 2010-12-20 2012-06-20 Karl Storz GmbH & Co. KG Electrical cable for electrical energy and data transfer
DE102010063482A1 (en) 2010-12-20 2012-06-21 Karl Storz Gmbh & Co. Kg Electrical cable for electrical energy and data transmission
US8608505B2 (en) 2010-12-20 2013-12-17 Karl Storz Gmbh & Co. Kg Electrical cable for electrical transmission of power and data

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