Parametric modeling of audio features of suona music of intangible cultural heritage and its digital storage strategy

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Play the list of time

	Small SuoNa	Middle SuoNa	Big SuoNa
G4	0.053	0.112	0.111
A4	0.094	0.341	0.202
B4	0.095	0.098	0.113
C5	0.021	0.031	0.07

The suona side elevation is the standard deviation

Double band (Hz)	63	125	250	500	1000	2000	4000	8000
Standard deviation	2.14	1.97	1.59	1.43	2.55	5.28	7.31	8.49

The NSPL values of the suona in scale of f strength(dB)

	63Hz	125Hz	250Hz	500Hz	1000Hz	2000Hz	4000Hz	8000Hz
Signal 1	-8	-5.1	-2.3	-0.5	-3.1	0	-1.3	0
Signal 2	-3.3	-1.9	-0.6	-1.8	-6.2	-1	-1.8	-0.9
Signal 3	-4.8	-2.6	-3	-4.2	-3	-1	-6.5	-13.4
Signal 4	0	-3	-3	-1.5	-5.7	-14	-21	-27.6
Signal 5	-2.5	-5.9	-2.1	-2.8	-8	-16.2	-24.5	-29.5
Signal 6	-6.7	-7.4	-4.3	-4.8	-9.5	-10.1	-18.4	-21.5
Signal 7	-5.2	-5.8	-2.9	-2.4	-7.4	-9.9	-16	-15.9
Signal 8	-5.8	-4.6	-5.5	-4.2	-3.5	-10.6	-14.1	-12.3
Signal 9	-7	-9.3	-7.1	-3.1	-3.1	-7	-9.8	-14
Signal 10	-6.1	-3.9	-3.6	-1.2	0.1	-4.4	-9.7	-13.3
Signal 11	-5.7	-4.6	-2.2	0	-2.4	-1.2	-1.9	-6.9
Signal 12	-2.9	0	0.1	-1	-3.9	-1.3	-0.3	-2.7
Signal 13	-8.5	-9.5	-6	-2.5	-3.6	-3.2	-13.2	-11.9
Signal 14	-6	-5.5	-6.4	-3.2	-1.2	-11	-9.6	-15.9
Signal 15	-7.6	-5.8	-3.9	-2.1	-3.5	-8.1	-13.9	-17.2
Signal 16	-5.9	-6.1	-5.3	-4.5	-9	-9.8	-15	-17.4
Signal 17	-6	-6	-5.3	-4.4	-8.9	-11.1	-17.1	-14.3
Signal 18	-7.5	-5.9	-3.9	-2.1	-4.1	-8.7	-16.2	-18.4
Signal 19	-4.6	-5.9	-6.4	-3.6	-0.8	-11	-14.5	-17.3
Signal 20	-8	-4.9	-2.6	-3	-3.6	-3.6	-12.4	-13
Signal 21	-5.8	-4.5	-3.2	-0.9	-2.7	-1.1	-0.1

Play the phonetic frequency list

Number	Phonname	Tone frequency (Hz)	Deviate	Number	Phonname	Tone frequency (Hz)	Deviate
1	G4	389.469	-12	1	G4	1059.38	25
2	A4	438.742	-5	2	A4	998.123	21
3	B4	488.394	-16	3	B4	886.03	13
4	C5	524.58	4	4	C5	786.526	7
5	D5	590.946	11	5	D5	698.196	-1
6	E5	657.824	-5	6	E5	657.824	-4
7	F5	698.196	-3	7	F5	590.946	15
8	G5	777.212	-12	8	G5	530.867	27
9	A5	875.538	-10	9	A5	494.247	1
10	B5	986.303	0	10	B5	433.999	14
11	C6	1046.84	-2	11	C6	394.137	8

The sound quality of the small SuoNa loop

	Minimum pitch (db)	Maximum pitch (db)	Average pitch (db)
Low region	6.6	66.06	58.24
Alto region	9.35	70.14	57.99
High region	6.44	70.45	59.77

The sound quality of the middle SuoNa loop

	Minimum pitch (db)	Maximum pitch (db)	Average pitch (db)
Low region	9.23	75.45	63.78
Alto region	26.87	66.96	63.65
High region	20.31	76.75	75.57

The suona horizontal plane is the standard deviation

Double band (Hz)	63	125	250	500	1000	2000	4000	8000
Standard deviation	1.48	1.92	1.75	1.34	2.76	4.09	6.16	5.92

The sound quality of the Big SuoNa loop

	Minimum pitch (db)	Maximum pitch (db)	Average pitch (db)
Low region	16.7	79.72	76.94
Alto region	18.19	81.81	73.86
High region	22.2	85.52	80.04