Vedic Literature > Sāma Veda > Chanting and Error Correcting Codes

The Sāmaveda texts were preserved orally long before methods of preservation of written material became robust. Even today the emphasis is on oral mastery. The traditionalists feel strongly that all the benefits of singing of Sāmaveda accrue only when every syllable of every verse in the entire adhyāya or chapter is chanted or sung correctly. But we do know that the printed books of vedic hymns printed in this century in India have many errors. Moreover the pool of persons who completely concentrate on the oral mastery of these texts is shrinking day by day. What happens in a few decades or centuries when we have only different versions of the different texts? How can we locate the correct one among the many erroneous copies?

The Vedic sages were not only great spiritual savants, but also very practical people. They envisioned the possibility of having many erroneous copies. They developed a procedure for detecting the correct version. This procedure is similar to the modem parity control codes in the electrical communication and computer literature.

The great vedic scholar Pandit Sreepad Damodar Satvalekar discovered or recognized these procedures and he details them in the (Sanskrit) introduction to his edition of Sāmaveda Samhita published in 1956 (4th edition).

In this procedure, an entire adhyāya or chapter of about ten verses is regarded as a unit. At the end of this adhyāya a syllable is given. The syllables for the first five adhyāyās are ve, khā , the, dī and şhā

From the syllable khā, we can infer the following numbers for the entire chapter or adhyāya 2:

  1. the number of unmarked syllables not at end of a verse in the entire adhyāya, modulo 5: It is two.
  2. the number of syllables with the udātta, marked 2u, (two symbols on the same syllable, 2 and u being Sanskrit numeral and vowel): It is two.
  3. the number of svarita symbols marked 2 ra: It is six.

One can verify that these numbers are correct by counting the corresponding syllables. We detail the algorithm elsewhere.

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