| 70 db | B | B

| 0 db | C | B

| 70 db | B | C

| 73 db | | B

| 72 db | | C

| 73 db | | B

| 73 db | | B

| 72 db | | C

| 71 db | B | B

| 71 db | | B

| 0 db | C | B

| 71 db | B | B

| 70 db | B | B

| 72 db | | B

| 72 db | | B

| 71 db | B | B

| 72 db | C | B

| 72 db | | B

| 72 db | | B

| 71 db | B | B

| 72 db | | B

| 72 db | | B

| 71 db | B | B

| 72 db | C | B