| duration (defined in tone_gen_descriptor_t) | tone_gen_descriptor_t | |
| gain (defined in tone_gen_descriptor_t) | tone_gen_descriptor_t | |
| modulate (defined in tone_gen_descriptor_t) | tone_gen_descriptor_t | |
| phase_rate (defined in tone_gen_descriptor_t) | tone_gen_descriptor_t | |
| repeat (defined in tone_gen_descriptor_t) | tone_gen_descriptor_t |
1.5.2