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Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs are the bird sounds that are melodious to the human ear. In ornithology and birding , songs (relatively complex vocalizations) are distinguished by function from calls (relatively simple vocalizations).
Sound then enters the supralaryngeal vocal tract, which can be adjusted to produce various changes in sound output, providing refinement of vocalizations. [3] Although morphological differences between species affect production of sound , neural control is thought to be more essential factor in producing the variations within human speech and ...
Located at the base of a bird's trachea, it produces sounds without the vocal folds of mammals. [1] The sound is produced by vibrations of some or all of the membrana tympaniformis (the walls of the syrinx) and the pessulus, caused by air flowing through the syrinx. This sets up a self-oscillating system that modulates the airflow creating the ...
Vocal learning is the ability to modify acoustic and syntactic sounds, acquire new sounds via imitation, and produce vocalizations. "Vocalizations" in this case refers only to sounds generated by the vocal organ (mammalian larynx or avian syrinx) as opposed to by the lips, teeth, and tongue, which require substantially less motor control. [1]
Amphibian vocalization; Bird vocalization, bird calls and bird songs; Dolphin vocalizations; Female copulatory vocalizations, produced by females while mating; Voice (phonetics), the vibration of the vocal cords that accompanies some speech sounds Consonant voicing and devoicing, the addition or removal of this vibration from consonant sounds
In order for birds to produce sound, they use an organ located above the lungs called the syrinx, which is composed of tracheal rings, syringeal muscles, Tympaniform membrane, and internal bony structures that contribute to the production of sound. Air then passes through this organ, resulting in the vocalization of birds.
Such auditory feedback is known to maintain the production of vocalization since deafness affects the vocal acoustics of both humans [17] and songbirds [18] Changing the auditory feedback also changes vocalization in human speech [19] or bird song. [20] Neural circuits have been found in the brainstem that enable such reflex adjustment. [21]
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