用戶:Schenad/練耳

練耳是音樂家運用自己的聽力來辨別音樂中不同的音高、音程、旋律、和弦、節奏以及其他要素的技能，可類比於語言中的聽寫。練耳和視唱已經成為了正規音樂訓練中的一般訓練項目。

功能音高聽辨

功能音高的聽辨牽涉到在選定主音的調性環境中對某單音的功能或所扮演的角色的識別。一旦確定了主音，要求練耳者能夠脫離相鄰音高，直接聽辨出其他音高的功能屬性。例如，若選定 G 作為主音，則要求練耳者可以聽辨出 D 為屬音。許多音樂家會利用對功能音高的識別，對調內音高的作用和意義進行理解與鑑賞。音級的概念與首調唱名法在功能音高的聽辨中很有用，因為具有相同功能的音高會與音級系統或者首調唱名法中相同的標籤相關聯（例如主音可以直接關聯於音級中的「/Ⅰ」或在首調唱名法中的「do」）。

Functional pitch recognition is not the same as fixed-do solfège, e.g. do, re, mi, etc. Functional pitch recognition emphasizes the role of a pitch with respect to the tonic, while fixed-do solfège symbols are labels for absolute pitch values (do=C, re=D, etc., in any key). In the fixed-do system (used in the conservatories of the Romance language nations, e.g. Paris, Madrid, Rome, as well as the Juilliard School and the Curtis Institute in the USA), solfège symbols do not describe the role of pitches relative to a tonic, but rather actual pitches. In the movable-do system, there happens to be a correspondence between the solfège symbol and a pitch's role. However, there is no requirement that musicians associate the solfège symbols with the scale degrees. In fact, musicians may utilize the movable-do system to label pitches while mentally tracking intervals to determine the sequence of solfège symbols.

Functional pitch recognition has several strengths. Since a large body of music is tonal, the technique is widely applicable. Since reference pitches are not required, music may be broken up by complex and difficult to analyze pitch clusters, for example, a percussion sequence, and pitch analysis may resume immediately once an easier to identify pitch is played, for example, by a trumpet—no need to keep track of the last note of the previous line or solo nor any need to keep track of a series of intervals going back all the way to the start of a piece. Since the function of pitch classes is a key element, the problem of compound intervals with interval recognition is not an issue—whether the notes in a melody are played within a single octave or over many octaves is irrelevant.

Functional pitch recognition has some weaknesses. Music with no tonic or ambiguous tonality does not provide the frame of reference necessary for this type of analysis. When dealing with key changes, a student must know how to account for pitch function recognition after the key changes: retain the original tonic or change the frame of reference to the new tonic. This last aspect in particular, requires an ongoing real-time (even anticipatory) analysis of the music that is complicated by modulations and is the chief detriment to the movable-do system.

音程聽辨

Interval recognition is also a useful skill for musicians: in order to determine the notes in a melody, a musician must have some ability to recognize intervals. Some music teachers teach their students relative pitch by having them associate each possible interval with the first two notes of a popular song. However, others have shown that such familiar-melody associations are quite limited in scope, applicable only to the specific scale-degrees found in each melody.

In addition, there are various systems (including solfeggio, sargam, and numerical sight-singing) that assign specific syllables to different notes of the scale. Among other things, this makes it easier to hear how intervals sound in different contexts, such as starting on different notes of the same scale.

和弦聽辨

Complementary to recognizing the melody of a song is hearing the harmonic structures that support it. Musicians often practise hearing different types of chords and their inversions out of context, just to hear the characteristic sound of the chord. They also learn chord progressions to hear how chords relate to one another in the context of a piece of music.

微分音和弦與音程聽辨

The process is similar to twelve-tone ear training, but with many more intervals to distinguish. Aspects of microtonal ear training are covered in Harmonic Experience, by W. A. Mathieu, with sight-singing exercises, such as singing over a drone, to learn to recognize just intonation intervals. There are also software projects underway or completed geared to ear training or to assist in microtonal performance.

Gro Shetelig at The Norwegian Academy of Music is working on the development of a Microtonal Ear Training method for singers and has developed the software Micropalette, a tool for listening to microtonal tones, chords and intervals. Aaron Hunt at Hi Pi instruments has developed Xentone, another tool for microtonal ear training.

節奏聽辨

One way musicians practise rhythms is by breaking them up into smaller, more easily identifiable sub-patterns. For example, one might start by learning the sound of all the combinations of four eighth notes and eighth rests, and then proceed to string different four-note patterns together.

Another way to practise rhythms is by muscle memory, or teaching rhythm to different muscles in the body. One may start by tapping a rhythm with the hands and feet individually, or singing a rhythm on a syllable (e.g. "ta"). Later stages may combine keeping time with the hand, foot, or voice and simultaneously tapping out the rhythm, and beating out multiple overlapping rhythms.

A metronome may be used to assist in maintaining accurate tempo.

音色聽辨

Each type of musical instrument has a characteristic sound quality that is largely independent of pitch or loudness. Some instruments have more than one timbre, e.g. the sound of a plucked violin is different from the sound of a bowed violin. Some instruments employ multiple manual or embouchure techniques to achieve the same pitch through a variety of timbres. If these timbres are essential to the melody or function, as in shakuhachi music, then pitch training alone will not be enough to fully recognize the music. Learning to identify and differentiate various timbres is an important musical skill that can be acquired and improved by training.

扒帶

Music teachers often recommend transcribing recorded music as a way to practise all of the above, including recognizing rhythm, melody and harmony. The teacher may also perform (『dictate’) short compositions, with the pupil listening and transcribing them on to paper.

現代訓練手段

For accurate identification and reproduction of musical intervals, scales, chords, rhythms, and other audible parameters a great deal of practice is often necessary. Exercises involving identification often require a knowledgeable partner to play the passages in question and to assess the answers given. Specialised music theory software can remove the need for a partner, customise the training to the user’s needs and accurately track progress. Conservatories and university music departments often license commercial software for their students, such as Meludia, EarMaster, Auralia. and MacGAMUT, so that they can track and manage student scores on a computer network. A variety of free software also exists, either as browser-based applications or as downloadable executables. For example, free and open source software under the GPL, such as GNU Solfege, often provides many features comparable with those of popular proprietary products. Most ear-training software is MIDI-based, permitting the user to customise the instruments used and even to receive input from MIDI-compatible devices such as electronic keyboards. Interactive ear-training applications are also available for smartphones.

另見

• 視奏
• Tonal memory
• Musical aptitude
• Learning music by ear
• Tone deafness
• Electronic tuner

延伸閱讀

• Karpinski, Gary S. Aural Skills Acquisition : The Development of Listening, Reading, and Performing Skills in College-Level Musicians. Oxford University Press US. 2000. ISBN 978-0-19-511785-1. 
• Prosser, Steve. Essential Ear Training for the Contemporary Musician. Berklee Press. 2000. ISBN 0-634-00640-1. 
• Friedmann, Michael L. Ear Training for Twentieth-Century Music. Yale University Press. 1990. ISBN 0-300-04536-0. 
• Karpinski, Gary S. Manual for Ear Training and Sight Singing. Norton. 2007. ISBN 978-0-393-97663-2. 
• Karpinski, Gary S. Anthology for Sight Singing. Norton. 2006. ISBN 978-0-393-97382-2. 
• Teck, Katherine. Ear Training for the Body: A Dancer's Guide to Music. Princeton Book Company. 1994. ISBN 978-0-87127-192-1. 

外部連結

• Understanding Any Piece of Music by Ear Teaches you how to feel both the tonality and the tonal center of any piece of music, with exercises to try yourself.
• E-MusicMaestro Aural Test Training A graded programme of aural training that teaches as well as tests.
• Ear Training Online Comprehensive survey of ear training software - open source, commercial, free, and online courses

[[Category:音樂教育]] [[Category:歌唱]]