Student sings (or plays an instrument). Software on PC records and analyzes the voice (or the sound from the instrument) and estimates the pitch. Results are displayed numerically and graphically. When the pitch of the sung score swara is within acceptable limits, score improves else score decreases.

Shruti can be selected using the keyboard. Shruti can be fine tuned using a slide bar. Shruti can be played in two different tonal qualities: Tambura or Tone. Shruti can be saved for future use.

Tempo for tala can be set using the slide bar. One of the three speeds can be selected. Hand gesture of tala is displayed during practicec. Audio of tala beats can be played during practice in one of the two tonal qualities: Beat or Cymbal. use.

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C. Some Notable Features

• Records a student’s voice (or instruments's flute or violin sound), analyzes, estimates the pitch; gives an immediate visual feedback graphically and numerically; compares sung (played) swara against the expected frequency; gives performance score
• Exercises without timing: (a) One swara at a time, (b) Swaras of a selected raga
• Audio outout of a swara selected at random of a chosen raga for the student to identify to improve the hearing acuity
• Exercises with timing: Lessons from sarali, janti, daTu, alankara, geeta. Practice can be in three speeds. Tempo can be adjusted. Has timing indication based on the tala. New lessons can be added. Existing lessons can be edited.
• Audio output of the aadhara shadja (Shruti) which can be set to any desired value
• Has built-in Help, tutorials on related topics, Good documentation – Good technical support

D. Brief description of Vagmi Nada Menu Options

• Scale User can select the scale assigned to the swaras: (i) Equi-tempremental (ii) Just Intonation (Da2=27/16) (iii) Just Intonation (Da2=5/3).
• Swara one at a time - Bar graph: Select Shruti; Select Swara; Use one the tolerance options for pitch: 'Very Easy', 'Easy' 'Hard' in order to learn in a graded manner. Initially select 'Very Easy' option. A bar graph is shown depicting the position of the swara to be achieved in relation to the scale. Initially practice while listening to shruti or the swara to be achieved. A vertical line whose position depends on the pitch of the swara sung or played is shown against the bar graph. Pitch Vs time graph is also shown. Also the identity of the swara is shown. If the achieved swara is of correct pitch within the tolerance then score improves else score decreases. Later, practice without listening to swara and with Option 'Hard';
• Swara one at a time - Bird: This is similar to the above menu option. Here, a flying birs is seen. When the student achieves the correct pitch, the birs sits on a perch. Score improves. Else, when achieved pitch is low (high) the bird is flying to the left (right) of the perch. Score decreases.
• Swaras of a selected raga: Select Shruti; Select a raga; Listen to arohana and avarohana; Use Options, 'Very Easy', "Easy' 'Hard' to learn in a graded manner. Practice while listening to shruti; Sing or play arohana/avarohana of the selected raga. Presentation is similar to the "Swara One at a time - Bar Graph'. Get score;
• Identify Swara: Set Shruti; Play Shruti; Select a raga; Play arohana/avarohana; Generate a note at random; Play and listen to the swara to be identified; Identify the swara; Get the score.
• Basic Lessons from sarali, janti, daTu, alankara, geeta. Practice can be in three speeds. Tempo can be adjusted. Swaras can be heard while practicing; Hand gesture display and/or audio of tala; Analyze using a frozen display after practice to know if there are any mistakes; get score; New lessons can be added. Existing lessons can be edited.
• Tala meter: To practice seven talas in all the jaatis;

E. Brief Description of Vagmi Nada Voice Therapy Menu Options

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