There are two kinds of programs that use samples for their sound source: Drum Programs, mostly used for creating drum programs and easy and quick assigning of samples to a pad, and Keygroups Programs. With Keygroup Programs, you can use one sample (or more) and spread it across two or more keys and play the sample chromatically over a keyboard. That way, there is no need to sample every key of, for instance, a piano.

Program Change

These are MIDI messages that select sound programs. Program numbers 1 through 128 can be changed via program change messages.

Release

An envelope parameter. The term "Release" describes the descent rate of an envelope to its minimum value after a trigger is terminated. The Release phase begins immediately after the trigger is terminated, regardless of the envelope's current status. For instance, the Release phase may be initiated during the Attack phase.

Resonance

Resonance or emphasis is an important filter parameter. It emphasizes the frequencies around the filter cutoff frequency by amplifing them with a narrow bandwidth. This is one of the most popular methods of manipulating sounds. If you increase the emphasis, i.e., to a level where the filter enters a state of self-oscillation, it will generate a relatively pure sine waveform.

Root Key

The root key defines the original pitch of a recorded instrument or of a sample. Samples in the MPC software contain the dedicated root key information. This information will be created automatically during recording or importing.

Sample

When you tap the pads on your MPC, you can trigger sounds that we call 'samples'. Samples are digitized snippets of audio that can either be recorded using the recording function of your MPC software or loaded from the File Browser.

Once a sample is present in the MPC software, it can be manipulated in different ways. For example, a sample can be trimmed, looped, pitch-shifted or processed, using various effects offered by the MPC software. When you have finished editing your sample, you can assign it to one or more drum pads to play it. Samples can be either mono or stereo.

Sample Rate

This is the frequency representing the amount of individual digital sample scans per second that are taken to capture an analog siginal digitally. For normal CD audio recordings, 44100 samples per second are used, also written as 44.1 kHz. The MPC offers sampling rates up to 96 kHz.

Sequence

A sequence is the most basic 'building block' of music you can compose on the MPC software. MIDI information from the MPC’s pads, buttons, and data from your MPC hardware’s Q-Link knobs controls (or an external keyboard) are recorded to the tracks of a sequence. Each sequence has 64 tracks and the MPC software can hold up to 128 separate sequences at the same time.

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Akai MPC manual Program Change, Release, Resonance, Root Key, Sample Rate, Sequence
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MPC specifications

The Akai MPC, or Music Production Center, has become a legendary piece of equipment in the realms of music production and performance. Originally conceived in the late 1980s, the MPC has evolved through various models, maintaining a core philosophy of combining sampling, sequencing, and beat-making capabilities. Its versatility has made it a staple for musicians across genres, from hip-hop to electronic music.

One of the defining features of the Akai MPC is its drum pad interface. The pads are highly responsive and velocity-sensitive, allowing for expressive drum programming and live performance. The tactile feedback of the pads has earned the MPC a reputation for being intuitive and user-friendly. Artists can create intricate rhythms and beats simply by tapping the pads, making it a favorite for both studio work and live shows.

The MPC utilizes a powerful sampling engine that enables users to capture sounds and manipulate them in real-time. This includes features like time-stretching, pitch-shifting, and layering, which allow for creative sound design. The ability to import and export audio files enhances its utility, making the MPC a versatile tool for music production.

Another key technology in the MPC lineup is its sequencer. The sequencer is capable of handling complex arrangements, providing artists with a flexible platform to construct their compositions. The ability to record and sequence MIDI makes it easy to integrate external instruments, allowing musicians to expand their sonic palette.

Modern iterations of the MPC, such as the MPC Live and MPC X, incorporate advanced technologies including touchscreens, built-in effects, and standalone functionality. This means that users can create music without the need for a computer, making it a portable solution for on-the-go production. The inclusion of Wi-Fi connectivity and MIDI over USB further enhances its compatibility with other devices and software.

The Akai MPC also features robust storage options, including SD card support, enabling artists to save and organize their projects with ease. This is essential for producers who work with large sample libraries or engage in extensive live performances.

In summary, the Akai MPC stands out due to its combination of intuitive drum pads, powerful sampling and sequencing capabilities, standalone functionality, and modern connectivity options. Its impact on music production is undeniable, shaping the way artists create and perform music in contemporary settings. As technology continues to advance, the MPC is likely to remain at the forefront of the music production landscape, inspiring new generations of musicians.
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