Flue languid height precisely governs pipe speech timing and stability

Evidence

The languid controls, in part, the direction of the air flowing from the flue. If it is too high, the pipe will be slow to speak and may not speak at all if the air misses the upper lip completely. If it is too low, the pipe will speak too quickly or speak in an uncontrolled manner. A pipe is adjusted to speak more rapidly if it is set to speak with a consonantal chiff by means of little or no nicking. Narrow scaled pipes (small diameter compared with the length) usually have a “stringy” tone color and often have ears added (see Figure 4.12), which stabilize air reed oscillation. Some bass pipes also have a wooden roller or “beard” placed between the ears to aid prompt pipe speech. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 1149

Categorization

• DEFINE: Explains languid, ears, and beard parts and their effect on flue pipe speech.
• XREF: connects to: Languid height determines whether a flue pipe speaks promptly, slowly, or not at all. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 1149