The Filter Envelope Edit section in the display of the MPC hardware

How does an envelope work?

An Envelope creates a variable control signal. It can be used, for instance, to modulate the filter settings of a sound over a given period of time. The classic Envelope comprises four separately controllable parameters: Attack, Decay, Sustain and Release, which is why it is also called ADSR Envelope. Everytime you hit a pad on the MPC, an Envelope is started. Within the period of time you have defined with the ATTACK (ATK) parameter, it rises to its maximum value. After that it will enter the decay phase with its duration defined by the DECAY value until it reaches the sustain level, set by SUSTAIN (SUST) parameter. This level is retained until the pad or key is released. It is followed by - you’ve guessed it – the release phase, which is set with the RELEASE (REL) dial and determines the the time span, the envelope needs to reach its minimum or neutral level.

PAD PLAY MODES SECTION (Drum Programs only)

Here you can set the behavior for (drum) samples for each pad.

XTo edit the Pad Play Modes parameters press the F5 button (Lfo Mod) on your MPC hardware. Use Q-Link knobs Q13 – Q16 for direct access of all 4 parameters. Keep in mind that these parameters are available only in DRUM programs.

You can assign the selected pad to one of the 32 available MUTE GROUPs. When pads assigned to the same mute group receive MIDI notes, the last note played will mute any other sounding instrument of that mute group. Use this function to program realistic hi-hats, especially if only the open or closed hat should be heard.

With LAYER PLAY, you can determine how multiple samples assigned to the same pad are played. Activate the Cycle (CYC) function to play the next layer’s sample each time that pad is played. In other words, the samples will cycle through the layers as follows: 1, 2, 3, 4, 1, 2, 3, 4… etc. Use Velocity (VEL) to switch between samples depending on how hard you hit a pad. Finally, the Random (RAN) function will allow all the samples assigned to the pad to be selected randomly. This way, every time you hit a pad, one of the assigned samples will be randomly chosen to play.

With the SAMPLE PLAY function, you can determine whether the pad is played as ONE-SHOT(from start to end) or defined by NOTE-ON(only as long as the note is held). Select ONE-SHOTwhen you want to play short drum sounds. However, if you are using a long sample, it is sometimes better to set it to NOTE-ONso you can control a sound’s duration by pressing and holding its corresponding pad.

PAD PLAY lets you choose between two options: In MONO mode you can play only one pad at a time. If you hit a pad while another or the same one is still playing, the new sample(s) will immediately mute the sample(s) that are playing. In POLY mode you can play several pads at the same time.

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Akai MPC manual PAD Play Modes Section Drum Programs only, How does an envelope work?
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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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