Mr R Ramanathan, the Vedic scholar continues to enlighten us with another feature of oral tradition of Vedas called ‘Kampa’ (Vedic intonation), one of the techniques used for preserving oral transmission of Vedas. jayasreesaranathan.blogspot.com/2018/07/discus… 
Not to miss this article on use of Swaras in 'Karna parampara', Swaras are accents useful in preserving information and textual correctness jayasreesaranathan.blogspot.com/2016/08/how-ve…
To continue to read, this article is on sound propagation theories such as Varna vaada and Sphota vaada. An animated discussion in comment section expands the application of these theories. jayasreesaranathan.blogspot.com/2016/08/ancien…
Another gem in this series explains the applicability of another technique called "pluta" - the protracted accent used to convey emotions and contexts. This shows how wrong it is to write down Vedas and read! Accents and intonation alter the meanings. jayasreesaranathan.blogspot.com/2018/06/a-disc…
