乐精灵小提琴 app for iPhone and iPad

1. User, download music scores and instructions for use
1) Unregistered users: You cannot download music scores. After installing Violin ELF, the user is an unregistered user.
2) Registered users: a) Register with a mobile phone or email; b) The number of downloaded sheet music is limited to 30 pieces, and the free usage time is 30 days.
3) Paid users: After purchasing the service, there are no restrictions.

2. Function description
1. Music score scaling: vector scaling, clear, standardized, and eye-saving
1) When playing violin, larger.
2) Others, smaller.

2. Score flipping: fast, multiple ways
1) Single row scrolling: 1 row at a time;
2) Single-screen scrolling: 1 screen at a time;
3) 5-screen scrolling: 5 screens at a time.

3. Practice center, voice control operation:
1) demonstration, sight-singing, find pitch, play violin, tune.
2) use voice control, which is convenient and efficient.

4. Play: you can see if playing is right
4.1 During the performance, use the hourglass deviation to display in real time

4.2 After playing, enter into analysis
4.2.1 The pitch, volume, rhythm, and various graphics are displayed at a glance;
1) How is the performance of the notes and the notes between them?
2) Is the connection between the front and rear notes neat and tidy?
3) Is the chord playing complete?
4) Is the playing of ornaments such as trill, mordent, turn, etc. accurate?
5) The performance of grace note, including the front grace, the back grace, the short grace, and the long grace, is it correct?
6) Is the playing of tremolo right? Is the segmentation accurate?
7) Is the performance of tie complete?

4.2.2 Various playback of performance sound, audio-visual combination;
1) Play back the current note and see the curve, how is the process?
2) Play the before and after notes, see the curve, how is the connection?
3) Play back from the current time, how does the passage perform?
4) Slow playback, listen to flaws, and facilitate finding more subtle problems;
5) Demonstrate sound playback, through comparison, to deepen the perception of pitch deviation.

4.3 Assessment rating: quickly find problematic notes
1) The wrong note is in the list of pitch errors;
2) Pitch deviation list, various indicators, quickly find the problem you are looking for, such as: the largest deviation.

5. Find pitch: you can see if position is right.
5.1 During finding pitch, the deviation is displayed in real time;
1) The hourglass shows that the deviation is high or low, and the deviation is large or small, which is clear at a glance;

5.2 Finding pitch, from unskilled to skilled, accurate and fast
1) When you are unskilled, you can lengthen the time to find pitch (interval), the default is 4 seconds, and it can be lengthened appropriately, such as 8 seconds;
2) After you are skilled, you can shorten the pitch finding time, such as 2 seconds;
3) Find more and more accurately, and control the deviation to a smaller and smaller range.

6. Demonstration: Practice listening
1) Listen to the intonation, listen to the rhythm.
2) During sight-singing, it can be compared to improve the ability of pitch recognition and cultivate the inner ear.

7. Sight-singing: Can you sing accurately, you can see
7.1 During sight-singing, the column deviation is displayed in real time;

7.2 Analysis and evaluation rating after sight-singing are similar to playing violin

8. A brief description of notation markings to solve the problem of notation recognition.
1) Press and hold the note to display a description of the various marks in the score.
2) For example: fingering, bowing, expression, speed, breathing symbol, vibrato, mordent, turn, etc.

9. Tuning: Convenient and direct.
1) Hourglass display, it is clear at a glance whether it is accurate or not.