{"id":14972,"date":"2023-07-03T17:22:55","date_gmt":"2023-07-03T21:22:55","guid":{"rendered":"https:\/\/audioapartment.com\/?p=14972"},"modified":"2023-07-03T17:23:41","modified_gmt":"2023-07-03T21:23:41","slug":"what-does-equal-temperament-mean-in-music","status":"publish","type":"post","link":"https:\/\/audioapartment.com\/techniques-and-performance\/what-does-equal-temperament-mean-in-music\/","title":{"rendered":"What Does Equal Temperament Mean in Music? A Guide to Tuning Systems"},"content":{"rendered":"\n

Are you ready to unlock the secret behind harmonious melodies? Brace yourself as we dive into the world of equal temperament<\/strong> and discover how it shapes the very fabric of music. This blog post will delve into the fascinating world of equal temperament and its significance in the realm of music. We’ll demystify this essential concept, exploring its history, practical applications, and how it has shaped the way we listen to and create music. So, grab your headphones and get ready to explore the harmonious world of equal temperament.<\/p>\n\n\n\n

What does equal temperament mean in music?<\/strong> Equal temperament in music refers to a tuning system where the frequency interval between every pair of adjacent notes has the same ratio. This ensures that each note is equidistant from its nearest neighbor, creating a balanced and consistent musical landscape. <\/p>\n\n\n\n

What makes the division of the octave into 12 equal parts so significant?<\/h2>\n\n\n\n

Equal temperament in music refers to a tuning system that divides an octave (or other intervals) into equal steps, approximating just intervals. The most common form of equal temperament used in classical and Western music is the 12-tone equal temperament (12-TET), where the octave is divided into 12 equal parts. In this system, each step, known as a semitone or half step, has a ratio equal to the 12th root of 2, approximately 1.05946.<\/strong><\/p>\n\n\n\n

To achieve equal temperament, the frequencies of adjacent notes are adjusted so that the ratio between them remains constant. For example, in 12-TET, each note’s frequency is defined as a multiple of semitones away from a standard pitch, often A440, where A is tuned to 440 Hz. This standard pitch has not always been 440 Hz, as it has varied over time.<\/p>\n\n\n\n

To achieve equal temperament, the frequencies of adjacent notes are adjusted so that the ratio between them remains constant.<\/p><\/blockquote><\/figure>\n\n\n\n

Equal temperament has been widely adopted because it allows music to be transposed between keys without changing the relationship between notes. This flexibility has greatly influenced Western music since the 18th century, enabling composers to explore various tonalities and modulations.<\/p>\n\n\n\n

Here is a table providing the key characteristics of 12-TET equal temperament:<\/p>\n\n\n\n

Key Characteristic<\/th>Description<\/th><\/tr><\/thead>
System<\/td>12 equal temperament (12-ET)<\/td><\/tr>
Octave Division<\/td>Divides the octave into 12 equally tempered parts<\/td><\/tr>
Interval Spacing<\/td>Equal spacing on a logarithmic scale<\/td><\/tr>
Ratio<\/td>Each interval is approximated by the 12th root of 2 (12\u221a2 \u2248 1.05946)<\/td><\/tr>
Smallest Interval<\/td>Smallest interval is 1\/12th of an octave, known as a semitone or half step<\/td><\/tr>
Tuning Standard<\/td>A440 Hz – The note A is tuned to 440 Hz, and all other notes are defined as some multiple of semitones apart from it, either higher or lower in frequency<\/td><\/tr>
Instrument Usage<\/td>Most modern Western musical instruments, including keyboard instruments (pianos, organs, harpsichords), string instruments (violins, violas, cellos, basses), wind instruments (brass, woodwinds), and fretted instruments (guitars)<\/td><\/tr>
Tuning Approximations<\/td>Some instruments approximate equal temperament due to technical limitations, while others, like unfretted string ensembles and vocal groups, may use tuning closer to just intonation for acoustic reasons<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

What are the alternatives to 12 TET equal temperaments?<\/h2>\n\n\n\n

While 12-TET takes center stage in Western music, there are other equal temperaments<\/strong> that venture into exciting tonal territories. Let’s dive into these alternative divisions of the octave and explore their unique characteristics.<\/p>\n\n\n\n

19-TET and 31-TET<\/h3>\n\n\n\n

Ever wondered what would happen if we divided the octave into 19 or 31 equal parts? These alternative equal temperaments offer intriguing possibilities for composers and musicians. With a greater number of divisions, the tonal palette expands, allowing for finer gradations and more intricate harmonic explorations.<\/p>\n\n\n\n

Arabic music and 24-TET<\/h3>\n\n\n\n

In Arabic music, a different notational convention arises with the use of 24-TET. This equal temperament showcases the rich musical heritage of Arabic traditions, offering a unique perspective on tonality and musical expression. It’s a testament to the diversity and richness of musical systems around the world.<\/p>\n\n\n\n

The Bohlen-Pierce scale<\/h3>\n\n\n\n

Not all equal temperaments are confined to the division of octaves. The Bohlen-Pierce scale, for example, takes a different approach. By dividing the just interval of an octave and a fifth into 13 equal parts, this temperament explores new sonic landscapes that diverge from traditional Western music. It’s a captivating departure that expands our musical horizons.<\/p>\n\n\n\n

As you can see, equal temperament is a vast and fascinating subject, extending beyond the confines of 12-TET.<\/p>\n\n\n\n

\"Representation
Representation of chord progression in 12-tone equal temperament.<\/figcaption><\/figure>\n\n\n\n

How does the Bohlen-Pierce scale offer a fresh perspective on tonality?<\/h2>\n\n\n\n

The Bohlen-Pierce scale ventures into uncharted territories, departing from the conventional octave-based divisions. It offers a departure from traditional Western music’s focus on octaves. By dividing the just interval of an octave and a fifth into 13 equal parts, this temperament ventures into a unique sonic realm.<\/strong> It introduces intervals that may sound unfamiliar at first, but they hold the potential to transport listeners to unexplored sonic landscapes.<\/p>\n\n\n\n

Its divisions introduce exciting harmonic possibilities and sonorities that go beyond the traditional tonal framework. <\/p><\/blockquote><\/figure>\n\n\n\n

With the Bohlen-Pierce scale, you can tap into a tonal palette that embraces the unconventional. Its divisions introduce exciting harmonic possibilities and sonorities that go beyond the traditional tonal framework. Exploring melodies and harmonies within this scale can lead to fresh, distinctive compositions that defy expectations.<\/p>\n\n\n\n

Let’s dive into a quick reference table of dos and don’ts to keep in mind when exploring equal temperament<\/strong> in your musical journey.<\/p>\n\n\n\n

Dos<\/th>Don’ts<\/th><\/tr><\/thead>
Embrace alternative equal temperaments.<\/td>Limit yourself to 12-TET only.<\/td><\/tr>
Experiment with tonal nuances.<\/td>Ignore the subtleties of microtones.<\/td><\/tr>
Explore cultural and musical traditions.<\/td>Shy away from sonic experimentation.<\/td><\/tr>
Push the boundaries of tonality.<\/td>Restrict your compositions to octaves.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

What instruments use equal temperament?<\/h2>\n\n\n\n

Equal temperament is not a one-size-fits-all approach when it comes to tuning. Different instruments have their unique considerations. Most modern Western musical instruments are tuned in the equal temperament system. Here’s a list of instruments that use equal temperament:<\/strong><\/p>\n\n\n\n