audio_classification.proto

//package hello;

option java_package = "com.hello.suripu.api.audio";
option java_outer_classname = "AudioClassificationProtos";

message audio_class_result {
  enum audio_class {
    UNKNOWN = 0;
    NULL = 1;
    TALKING = 2;
    CRYING = 3;
    SNORING = 4;
    VEHICLE = 5;
  }

  repeated float probability       = 1; //probability vector
  repeated audio_class classes     = 2; //which element in prob vector is what
  optional audio_class decision    = 3; //the class on which we decided
}

message audio_energy_result {
  optional float max_decibel_over_background = 1;
  optional int32 num_disturbances = 2; //number of times the energy "significantly" exceeded the background noise
}

message audio_classification_message {
  optional string device_id                      = 1;
  optional int32 unix_time                       = 2;//form the client -- wall time UTC, seconds since 1970
  optional string classifier_key                  = 3;//which S3 key we used for this classifer
  optional audio_energy_result energies          = 4;//summary of energy statistics 
  optional audio_class_result classes            = 5;//output of classifer

}