-#if 0
- /* check one frequency */
- if (result[f1] > MIN_DB /* must be at least -17 db */
- && result[f1]*DIFF_DB > result[f2]) /* must be 5 db above other tones */
- digit = decode_one[f1];
- /* check two frequencies */
- if (result[f1] > MIN_DB && result[f2] > MIN_DB /* must be at lease -17 db */
- && result[f1]*DIFF_DB <= result[f2] /* f2 must be not less than 5 db below f1 */
- && result[f1]*DIFF_DB > result[f3]) /* f1 must be 5 db above other tones */
- digit = decode_two[f1][f2];
-#endif