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  2. 7-limit tuning - Wikipedia

    en.wikipedia.org/wiki/7-limit_tuning

    Thus, for example, 50:49 is a 7-limit interval, but 14:11 is not. For example, the greater just minor seventh, 9:5 (Play ⓘ) is a 5-limit ratio, the harmonic seventh has the ratio 7:4 and is thus a septimal interval. Similarly, the septimal chromatic semitone, 21:20, is a septimal interval as 21÷7=3.

  3. Augmented seventh chord - Wikipedia

    en.wikipedia.org/wiki/Augmented_seventh_chord

    The augmented seventh chord, or seventh augmented fifth chord, [1] or seventh sharp five chord is a seventh chord composed of a root, major third, augmented fifth, and minor seventh (1, 3, ♯ 5, ♭ 7). [2] It can be viewed as an augmented triad with a minor seventh. [3] When using popular-music symbols, it is denoted by + 7, aug 7, [2] or 7 ...

  4. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  5. Augmented major seventh chord - Wikipedia

    en.wikipedia.org/wiki/Augmented_major_seventh_chord

    In music, an augmented major seventh chord or major seventh sharp five chord is a seventh chord composed of a root, major third, augmented fifth, and major seventh (1, 3, ♯ 5, 7). It can be viewed as an augmented triad with an additional major seventh. When using popular-music symbols, it is denoted by e.g. + Δ 7.

  6. 8b/10b encoding - Wikipedia

    en.wikipedia.org/wiki/8b/10b_encoding

    The FC-0 standard defines what encoding scheme is to be used (8b/10b or 64b/66b) in a Fibre Channel system [8] – higher speed variants typically use 64b/66b to optimize bandwidth efficiency (since bandwidth overhead is 20% in 8b/10b versus approximately 3% (~ 2/66) in 64b/66b systems). Thus, 8b/10b encoding is used for 4GFC and 8GFC variants ...

  7. Half-diminished seventh chord - Wikipedia

    en.wikipedia.org/wiki/Half-diminished_seventh_chord

    For example, over the first three bars of the Ciaccona movement of J.S. Bach's Violin Partita No. 2 in D minor, the tonic in the first measure progresses to the ii ø 7 chord (in third inversion) for the first beat of the second measure, then to the dominant (a V 7 in first inversion), and then back to the tonic in the third measure.

  8. AES key schedule - Wikipedia

    en.wikipedia.org/wiki/AES_key_schedule

    The Advanced Encryption Standard uses a key schedule to expand a short key into a number of separate round keys. The three AES variants have a different number of rounds. Each variant requires a separate 128-bit round key for each round plus one more. [note 1] The key schedule produces the needed round keys from the initial key.

  9. Seven-segment display character representations - Wikipedia

    en.wikipedia.org/wiki/Seven-segment_display...

    The following phrases come from a portable media player's seven-segment display. They give a good illustration of an application where a seven-segment display may be sufficient for displaying letters, since the relevant messages are neither critical nor in any significant risk of being misunderstood, much due to the limited number and rigid domain specificity of the messages.