Creating a Patch

Tips for Choosing a Waveform

Because the XV-2020 is designed to create highly realistic sounds, the success of the editing process depends to a large degree on the PCM waveforms upon which Tones are based. Therefore, if you try to create a sound that’s totally different from the waveform(s) you’re working with, the desired result may be difficult or impossible to achieve.

The XV-2020’s internal waveforms fall into the following two groups.

One-shot:These waveforms contain sounds that have short decays. A one-shot waveform records the initial rise and fall of its sound. Some of the XV-2020’s one-shot waveforms are sounds that are complete in themselves, such as percussive instrument sounds. The XV-2020 also contains many other one-shot waveforms that are elements of other sounds. These include attack components such as piano-hammer sounds and guitar fret noises.

Looped: These waveforms include sounds with long decays as well as sustained sounds. With looped waveforms, the latter part of the sound plays over and over for as long as the note is held, allowing wave memory to be used more efficiently. The XV-2020’s looped waveforms also include components of other sounds, such as piano-string resonant vibrations and the hollow

overtones of brass instruments.

The following diagram shows an example of a sound—an electric organ—that combines one-shot and looped waveforms.

TVA ENV for looped Organ waveform (sustain portion)

TVA ENV for one-shot Key-

click waveform (attack portion) Resulting TVA ENV change

+

=

Key-off

Key-off

Notes for editing one-shot waveforms

You cannot give a one-shot waveform a longer decay—or make it into a sustaining sound—by using an envelope. If you were to program such an envelope, you would be attempting to shape a portion of the sound that simply doesn’t exist, and the envelope would have no effect.

Notes for editing looped waveforms

With many acoustic instruments such as piano and sax, extreme timbral changes occur during the first few moments of each note. This initial attack is what defines much of the instrument’s character. The XV-2020 provides a variety of waveforms containing realistic acoustic instrument attacks. To obtain the maximum realism when using these waveforms, it’s best to leave the filter wide-open during the attack so that all of these important timbral changes are heard. If you use an envelope to modify the attack portion, you may not achieve the result you want. Use enveloping to produce the desired changes in the decay portion of the sound.

Tone change stored with the wave

Envelope for the TVF filter

Resulting tone change

Looped Portion

If you try to make a waveform’s attack seem brighter by lowering the high-frequency content of its decay using the TVF filter, consider the original timbral character of the waveform. If you’re making a part of the sound brighter than the original waveform, you should first generate new upper harmonics not present in the original waveform by using the Wave FXM Color and Wave FXM Depth parameters before filtering. This will help you achieve the desired result. To make an entire waveform brighter, try applying an effect such as an enhancer and equalizer before modifying the TVF parameter.

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Kenwood XV-2020 owner manual Tips for Choosing a Waveform

XV-2020 specifications

The Kenwood XV-2020 is a distinguished model in the realm of high-fidelity audio equipment, offering a blend of vintage charm and modern technology. Renowned for its powerful performance and exquisite sound quality, the XV-2020 appeals to audiophiles and casual listeners alike, making it a sought-after choice in the used market.

At the heart of the Kenwood XV-2020 is its robust amplifier section, delivering a significant output power that allows it to drive a variety of speakers effortlessly. With a power rating typically around 50 watts per channel (into 8 ohms), this receiver provides a rich, dynamic sound suitable for a wide range of musical genres. The amplifier is designed with a low total harmonic distortion, ensuring that the audio output remains clean and free from undesirable artifacts, even at high volumes.

The XV-2020 features a multi-source input configuration, allowing users to connect various audio sources such as CD players, turntables, and cassette decks. This versatility is complemented by its built-in phono stage, which means vinyl enthusiasts can connect their turntables directly without needing a separate preamp. The receiver also supports AM/FM radio, featuring a reliable tuner section that ensures excellent reception, allowing users to enjoy their favorite radio stations with clarity.

One of the standout features of the Kenwood XV-2020 is its tone control options. Users can fine-tune their listening experience with adjustable bass, midrange, and treble controls. This capability allows for customization according to individual preferences or room acoustics, making it easier to achieve the ideal sound profile.

Additionally, the XV-2020 incorporates a decoder for various surround sound formats, enhancing the listening experience for movies and music encoded in surround formats. This feature reflects Kenwood’s commitment to evolving audio technology, providing users with an immersive experience that traditional stereo systems often lack.

The build quality of the XV-2020 is another characteristic that sets it apart. Housed in a sturdy chassis with a minimalist aesthetic, it is not only functional but also an attractive piece of equipment that fits well in any home audio setup. With its user-friendly interface and comprehensive features, the Kenwood XV-2020 remains a popular choice for those looking to experience rich audio performance without compromising on style. Its combination of power, flexibility, and classic design solidifies its status as a beloved component in the world of audio receivers.