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Comparison Yamaha YPT-360 vs Medeli M331

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Yamaha YPT-360
Medeli M331
Yamaha YPT-360Medeli M331
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Typesynthesizer (rompler)synthesizer (rompler)
Keys
Number of keys6161
Sizefull sizefull size
Mechanicsactiveactive
Rigiditysemi-weightedsemi-weighted
Specs
Polyphony48 voices128 voices
Built-in timbres584 шт653 шт
Auto accompaniment
Accompaniment styles154 шт240 шт
Learning mode
Tempo change11 – 28030 – 280
Metronome
Sequencer (recording)
Mixer
Built-in compositions
 /160/
Effects and control
Timbres layering
Keyboard split
Arpeggiator
Reverberation
 /10/
Chorus
 /8/
Transposition
Pitch controller
Fine tuning
Connectors
Inputs
mini-Jack (3.5 mm)
 
mini-Jack (3.5 mm)
MIDI in
Microphone1 шт
Connectable pedals1 шт1 шт
Outputs
USB to host (type B)
headphones /combined with linear/
USB to host (type B)
headphones
Linear outputs1
In box
In box
music stand
PSU
 
PSU
General
Built-in acoustics5 W6 W
Number of bands11
Displaymonochromemonochrome
Autonomous power supply
aA batteries /6 pcs/
Dimensions (WxHxD)945x118x368 mm956x133x360 mm
Weight4.6 kg5 kg
Color
Added to E-Catalogfebruary 2018august 2017

Polyphony

The polyphony supported by a synthesizer, in other words, is the number of “voices” (tone generators) that can simultaneously sound on it.

This parameter is often described as the number of notes that can be played simultaneously on the keyboard. However, this is not entirely true due to the fact that in many timbres one note can activate several tone generators. As a result, for example, to play a chord of 3 notes in a timbre with 4 tone generators per note, polyphony of at least 3 * 4=12 voices is required. In addition, Auto Accompaniment and Preset Songs (see related sections) also use tone generators, requiring even more voices to work effectively with these features.

The minimum value for a more or less functional modern synthesizer is polyphony for 32 voices — and even then such an instrument can be used mainly for initial training and simple melodies. For a more solid application, it is desirable to have at least 50 – 60 voices, and in professional models (in particular, workstations where you have to deal with several audio tracks at once), there are models with polyphony for 150 tone generators or more.

In general, a more advanced synthesizer is likely to have more extensive polyphony, however, it is only possible to evaluate the class of an instrument by this parameter very approximately — instruments with the same number of voices can differ greatly in level. The only exception to this rule are children's synthesizers (see "T...ype"), which support up to 20 voices.

Built-in timbres

The number of built-in sounds provided in the synthesizer.

The number of timbres is often described as the number of instruments that a given model can imitate. However, this is not entirely true — rather, this parameter can be called "the number of instruments and sound effects." For example, the same instrument — an electric guitar — with different "gadgets" (distortion, overdrive) will sound differently, and in the synthesizer each such gadget will be considered a separate timbre. The “drums” timbre usually combines different types of drums and other percussion instruments — in other words, it allows you to portray both the “bass drum” and the cymbals without switching settings, just by pressing the desired keys. And some timbres may not have analogues among real instruments at all.

The more built-in timbres, the more extensive the possibilities of the synthesizer, the more diverse the sounds that can be extracted from it. At the same time, in high-end models like workstations (see "Type"), this number can reach 1000 or even more.

Accompaniment styles

The number of auto accompaniment styles (see above) originally provided in the synthesizer, in other words, the number of accompaniment options available to the user.

The more extensive this set, the higher the probability of finding among these melodies suitable options for a particular case. At the same time, the abundance of styles in itself is not yet a 100% guarantee that among them there will be a suitable one, especially since different synthesizer models can differ markedly in a specific set of melodies. So the list does not hurt to clarify before buying. Also note that the situation can be corrected by user styles (see below) — many synthesizers with auto accompaniment support them.

Learning mode

The presence of a learning mode in the design of the synthesizer.

The purpose of this function is clear from the name. It is most often based on the following principle: the synthesizer itself tells the student which keys to press, displaying the keyboard on the display or highlighting the necessary keys using the backlight (if available, see above). Of course, at different levels of learning, the format of such prompts will also be different: for example, at the very beginning, the synthesizer highlights the necessary notes until they are pressed, and at the final stage it highlights them at the tempo at which you need to play the melody, and evaluates the accuracy of the student pressing the desired keys. There are also other features and nuances of learning — for example, the mode of separate learning of parts for the left and right hands, when the instrument itself plays one part and tells the student how to play the second. In addition, a metronome function is practically mandatory for a synthesizer with this mode (see below).

Regardless of the specific functionality, this mode will be very useful for those who are just developing their keyboard playing skills.

Tempo change

The range in which you can change the tempo of the programme played by the synthesizer — auto accompaniment, lesson tune (see above), metronome (see below), recorded sample, etc.

Pace is measured in beats per minute. Changing it allows you to adjust the speed of the synthesizer to the specifics of the situation — for example, slightly slow down the tutorial if it is too hard to master at the initial pace. The wider the range of tempo adjustment, the more options the musician has to choose from, especially in the area of very slow and very fast tempos.

Note that the traditional range of musical tempos covers values from 40 beats / min (“grave”, “very slowly”) to 208 beats / min (“prestissimo”, “very fast”), however, in synthesizers it can be more extensive — for example, 30 – 255 bpm.

Mixer

The presence of a mixer in the design of the synthesizer.

A mixer in this case is a device designed to control individual audio channels that make up the sound of a synthesizer as a whole. The list of these channels includes, in particular, the main voice, the layered voice (see “Dubbing voices”), several auto accompaniment channels (main, bass, drums, etc.). With a mixer, the musician can manually control these channels — turn some of them on and off, switch the timbre, tempo, key, etc. This greatly expands the possibilities for using the synthesizer.

Arpeggiator

The presence of an arpeggiator in the design of the synthesizer.

The term "arpeggio" originally means the technique of playing a chord, in which the notes are not sounded all at once, but one after another. Accordingly, arpeggiator, roughly speaking, is a device for the automated playing of chords using the arpeggio technique. Compared to manual playback by notes, this function is convenient because the arpeggiator can provide various additional settings: set the direction of playback (up or down), speed, interval between notes and their duration, special effects, background accompaniment, etc. At the same time, all effects work automatically, the user only needs to press the keys that make up the chord (and in some synthesizers in some modes, only one key can generally be responsible for a whole chord). The specific capabilities of arpeggiators can be different, often such a device allows you to create entire compositions just by pressing a sequence of chords.

Pitch controller

The presence of a pitch controller(Pitch Bend) in the design of the synthesizer.

This function allows you to smoothly change the pitch by a small amount. In this way, specific playing techniques on some instruments are imitated — for example, tightening the strings on a guitar, which gives a characteristic, “floating” sound in frequency. The pitch control usually has the form of a wheel or lever.

Fine tuning

The ability to fine-tune the synthesizer by sound frequencies. Often, such models also indicate the range in which such adjustment can be carried out.

The standard tuning, which is used by default in all synthesizers, is designated as “440 Hz” — this is the frequency of the “la” note of the first octave, as well as the standard frequency of the tuning fork, all other notes are tuned to it. With fine tuning, the musician can set a different base frequency, raising or lowering the overall tone of the synthesizer. At the same time, unlike the transposition described above, in this case the frequency does not change in steps (by tones-semitones), but smoothly, with an accuracy of a hertz or even a tenth of a hertz. Such an opportunity can be useful in some non-standard situations — for example, if you have to accompany a guitarist whose instrument is tuned slightly higher or lower than the standard, and for one reason or another it is impossible to change the guitar's tuning.
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