Casiotone CT-S1000V Keyboard


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The CT-S1000V is an electronic keyboard for musicians and music creators who want to enjoy new kinds of keyboard expression and music production. The model is equipped with Vocal Synthesis, a newly developed onboard sound source technology that lets users play human, robot, and animal voices created by combining lyric data and vocal tones.

Vocal Synthesis is an original Casio sound source technology that employs a musical instrument to produce a singing voice. The human singing voice features complex variations in timbre depending on the lyrics and melody, and it is considered difficult to reproduce with conventional sound source technologies. While products pursuing the concept of replicating the sound of the singing voice in a keyboard format have been available for a while, they have not been easy to play for all users, since they have required special performance techniques and detailed adjustments. The new Casio technology solves all this by generating lyric phrases in simulated singing style, leveraging large volumes of singing voice samples, then combining them with vocalist data to create a smooth-flowing, human-style singing voice.

The CT-S1000V not only pronounces lyrics for each syllable each time a key is pressed but also automatically sings the user’s pre-set lyric phrases in the pitches and harmonies played on the keyboard. This way, there is no mismatch between the lyrics and what the user plays on the keys, and the user can perform freely without worrying about the lyrics. In addition, each syllable smoothly flows to the next, enabling intuitive musical expression and creation as if humming a melody.


Number of Keys 61
Touch sensitivity 3 sensitivity levels, off
Sound Source AiX
Polyphony (maximum) 64
Tones 800 + 100 Lyric
Advanced Tones 15 + 100 Lyric
Classic Tones 12
User Tones 150 (preset for 100)
Layer 3 (Upper1/2, Lower1)
Split Yes
Sustain Yes
Portament Yes
Reverb 24
Chorus 12 (+ Preset for some tones)
Delay 15 (+ Preset for some tones)
DSP 100
Master EQ 10
Volume sync EQ Yes
Surround Yes
Active DSP Yes
Demo Songs 2
Number of Rhythms 243
One Touch Preset 243
Auto Harmonize 12
User Rhythms 50
Chord Mode CASIO Chord, Fingered 1, Fingered 2, Fingered On Bass, Fingered Assist, Full Range Chord
Rhythm Elements Intro, Normal, Normal-Fill, Variation, Variation-Fill, Ending, Synchro Start, Synchro Stop
Sampling Function Yes
Sampling Sound Input Audio In (wav)
Sampling Time 10 sec (Melody) / 3 sec (Drum set)
Format 44 kHz, 16 bit, Stereo
Vocal Synthesis Yes
Lyric Tones 100
User Lyric Tones TBD(Max. 100)
Vocalist type 22 + 1 user
Format 44 kHz, 16 bit, Mono
Metronome Yes
Tap Tempo Yes
Arpeggiator 150
User Songs 10
Demo Song 1
Registration 4 set x 16 bank
Freeze Function Yes
My Set Up Function Yes
Transpose Yes
Tuning Yes
Octave Shift Yes
Scale Setting Equal temperament + 16 variations
MIDI Recorder Yes
Songs 5
Tracks 6
Memory Capacity 40,000 notes (for each song)
LCD 44 kHz, 16 bit, Mono
Type Full-dot
Back Light Yes (white)
Available APP Casio Music Space
Bluetooth MIDI & Audio Adaptor Yes (Bundled item)
Pitch Bend Wheel Yes
General MIDI 3
Knob Yes
PHONES / OUTPUT Stereo mini
LINE OUT Standard x 2
PEDAL 1x Standard, 1x Multi-purpose (Standard/Expression)
AUDIO IN Stereo mini
Strap Pin Yes
Speakers (13cm x 6cm) x 2
Horizontal Bass Reflex Yes
Amplifiers 2.5W + 2.5W
Power Supply DC 12V (RF change)
AC Adaptor AD-A12150P
Battery (Alkaline) AA type x 6
Dimensions (mm) 930x258x91
Weight 4.7㎏

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