अं
aṃ
ṃa: After the vowel, lower the soft palate and let a soft hum resonate through the nose.
Record
spectrum + pitch
loudness · beats
your pitchtarget pitchtarget beatsyour vowels
varṇa–
the sound itself
Record to measure.
svara–
pitch
Record to measure.
mātrā–
length
Record to measure.
bala–
force, breath
Record to measure.
sāma–
evenness
Record to measure.
santāna–
continuity
Record to measure.
How this is checked: varṇa comes from speech recognition (Hindi, which writes in Devanagari) ; svara, mātrā, bala, sāma and santāna are measured directly from your audio. Treat the numbers as a guide, your ear and a teacher as the judge.