Hindu texts the Vedas to be "apauruṣeya", which means "not of a man, superhuman" and "impersonal, authorless". The knowledge in the Vedas is believed in Hinduism to be eternal, uncreated, neither authored by human nor by divine source, but seen, heard and transmitted by sages. Vedas are also called ' ("what is heard") literature, distinguishing them from other religious texts, which are called ' ("what is remembered"). The Veda, for orthodox Indian theologians, are considered revelations, some way or other the work of the Deity. In the Hindu Epic the Mahabharata, the creation of Vedas is credited to Brahma. There are four
Shiksha musical performance. Individual sounds in the Sanskrit have independent personalities, and the reciter helps develop their character and their timbre, state Wilke and Moebus. Naradiya Siksa, a phonetics treatise on the Sama Veda explains this aspects of phonology with various similes, such as, Pratisakhyas are the oldest "Siksa" textbooks of each branch of the Vedas. Later Siksa texts are more specialized and systematic, and often titled with suffix "Siksa", such as the Naradiya-Siksa, Vyasa-Siksa, Pari-Siksa and Sarvasammata-Siksa. The Pratishakhyas, which evolved from the more ancient Vedic Texts padapathas (") around 800 BCE, deal with the manner in which the Vedas