Part I

MIDI Message Overview

1 Product Configuration as a MIDI Device

This Model consists of a controller block and a sound source block as described below.

•Controller Block

–Keyboard

–Pedals, wheels, and other real-time controllers

–Auto accompaniment

–Song Memory

–SMF Player

–Parameter editing tools

•Sound Source Block

–Common Sub-blocks

∗Sound source common sub-block (Drawbar Organ Waveform Synthesis)

∗Effector sub-block (DSP, Reverb, Chorus, EQ)

∗Mixer common sub-block

–Channel Independent Sub-blocks (1 to 16)

∗Instrument part sub-block

∗Mixer independent sub-block

1.1Controller Block

The Controller Block issues messages for the following: keyboard, real-time controllers (WK-3200/WK-3700 bender wheel, WK-3200 modulation switch, WK-3700 modulation wheel, etc.), song memory, auto-accompaniment, panel operations, etc.

An operation causes the corresponding message to be sent to the sound source and from MIDI OUT. Though the Controller Block is mainly a send function, turning on MIDI IN Chord Judge configures it to perform chord judgment on received data and send the matching auto-accompaniment play data.

The channel number of the sent data is in accordance with the settings configured for each of this Model's parts. Channel messages are not sent from any part that is turned off.

Accompaniment part send messages are sent when this Model's Accomp MIDI Out setting is turned on.

1.2Sound Source Block

The Sound Source Block consists of effectors and other common sub-blocks, and independent instruments for each channel. It operates in accordance with receive MIDI messages. Setting data may also be sent, depending on external requests.

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Casio CTK-900, WK-3200 Midi Message Overview, Product Configuration as a Midi Device, Controller Block, Sound Source Block
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WK-3700, WK-3200, CTK-900 specifications

The Casio CTK-900, WK-3200, and WK-3700 are a trio of notable keyboards that cater to both beginner and intermediate musicians. Each model features a range of impressive specifications and functionalities designed to enhance the musical experience while allowing for creativity and exploration in sound.

The Casio CTK-900 is a compact 61-key keyboard that includes 600 tones and 180 rhythms, offering a diverse palette for anyone looking to explore different music styles. One of its key features is the Dance Music Mode, which simplifies the process of creating electronic music tracks through a user-friendly interface. The CTK-900 also includes a High-Quality module and a built-in lesson function that guides users through playing. With a lightweight design, it is highly portable and perfect for musicians on the go. Its MIDI connectivity allows for easy integration with computer software for recording and music production.

Moving on to the WK-3200, this model features a 76-key touch response keyboard, which provides a more extensive range for playing. It includes 670 tones and 200 rhythms, giving users even more options for musical expression. The WK-3200 also offers a larger LCD display for easier navigation through settings, and it features a Music Tutor function that helps users improve their skills. With layered and split keyboard capabilities, the WK-3200 is ideal for those looking to perform as a solo artist or in a band setting. Its built-in speaker system delivers clear sound output, enhancing the overall playing experience.

The WK-3700 takes many of the positives from the WK-3200 and elevates them further. With the same 76-key layout, it provides expressive playing capabilities while incorporating over 700 tones and 200 rhythms. This model also allows users to record their performances in real time using a built-in 6-track sequencer, making it easier for musicians to arrange and edit their own compositions. Additionally, the WK-3700 includes advanced features like the ambiance and reverb effects, providing an enhanced sound quality. The incorporation of features such as a song bank with over 100 pre-recorded songs ensures that users can learn and play along with ease.

Overall, the Casio CTK-900, WK-3200, and WK-3700 are excellent choices for musicians seeking versatile and user-friendly keyboards. Each model brings unique features and technologies that support musical innovation while catering to a wide range of skill levels. Whether you are a budding artist or a seasoned performer, these keyboards provide an effective blend of utility, quality, and fun.
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