Create rendered audio

{
  "description": "Audio render data",
  "required": [
    "audio_renders"
  ],
  "properties": {
    "audio_renders": {
      "type": "array",
      "description": "Audio render results",
      "items": {
        "type": "object",
        "description": "The output of an audio render in WAV or MP3 format",
        "required": [
          "id",
          "timeline",
          "status"
        ],
        "properties": {
          "created_date": {
            "type": "string",
            "format": "date-time",
            "description": "The time the render was submitted to the API"
          },
          "files": {
            "type": "array",
            "description": "The files associated with the render",
            "items": {
              "type": "object",
              "description": "Files associated with the render",
              "required": [
                "filename",
                "bits_sample",
                "content_type",
                "download_url",
                "frequency_hz",
                "kbits_second",
                "size_bytes",
                "tracks"
              ],
              "properties": {
                "bits_sample": {
                  "type": "number",
                  "description": "The bit depth of the audio files in bits/sample"
                },
                "content_type": {
                  "type": "string",
                  "description": "The content-type of the file"
                },
                "download_url": {
                  "type": "string",
                  "description": "The internet-accessible URL from which the file can be downloaded. Any redirects encountered when using this URL must be followed"
                },
                "filename": {
                  "type": "string",
                  "description": "The user-specified file name suggestion from the render request; this file name becomes the filename property of the Content-Disposition header when the user downloads the rendered audio file"
                },
                "frequency_hz": {
                  "type": "number",
                  "description": "The Sample rate of the audio files in Hertz (Hz)"
                },
                "kbits_second": {
                  "type": "number",
                  "description": "The data rate of the audio files in kilobits/second"
                },
                "size_bytes": {
                  "type": "number",
                  "description": "Size of the file in bytes"
                },
                "tracks": {
                  "type": "array",
                  "description": "An array of track names included in the file",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          },
          "id": {
            "type": "string",
            "description": "The alphanumeric ID of the simple render"
          },
          "preset": {
            "type": "string",
            "description": "The file format preset",
            "enum": [
              "MASTER_MP3",
              "MASTER_WAV",
              "STEMS_WAV"
            ]
          },
          "progress_percent": {
            "type": "integer",
            "description": "The current progress of the render as a percentage"
          },
          "status": {
            "type": "string",
            "description": "A coarse progress indicator",
            "enum": [
              "WAITING_COMPOSE",
              "RUNNING_COMPOSE",
              "WAITING_RENDER",
              "RUNNING_RENDER",
              "CREATED",
              "FAILED_CREATE"
            ]
          },
          "timeline": {
            "type": "object",
            "description": "A timeline object that represents either a request for music to be created or an entire music composition",
            "properties": {
              "spans": {
                "type": "array",
                "description": "A span object that represents the beginning of a period of absolute time",
                "items": {
                  "type": "object",
                  "description": "The beginning of a non-overlapping period of absolute time",
                  "required": [
                    "span_type",
                    "time"
                  ],
                  "properties": {
                    "id": {
                      "type": "number",
                      "description": "An identifier which must be unique within the parent span"
                    },
                    "instrument_groups": {
                      "type": "array",
                      "description": "An array of instrument_group objects that are used in this span",
                      "items": {
                        "type": "object",
                        "description": "An instrument and the status objects that specify when that instrument plays",
                        "required": [
                          "instrument_group"
                        ],
                        "properties": {
                          "instrument_group": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "statuses": {
                            "type": "object",
                            "additionalProperties": true
                          }
                        }
                      }
                    },
                    "regions": {
                      "type": "array",
                      "description": "An array of region objects within the span",
                      "items": {
                        "type": "object",
                        "description": "A period of music or silence, measured in beats",
                        "required": [
                          "id",
                          "region",
                          "descriptor",
                          "beat"
                        ],
                        "properties": {
                          "beat": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "descriptor": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "end_type": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "id": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "key": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "region": {
                            "type": "object",
                            "additionalProperties": true
                          }
                        }
                      }
                    },
                    "span_type": {
                      "type": "string",
                      "description": "Type of span; metered spans represent a pariod of time with music, and unmetered spans denote the end of the prior metered span",
                      "enum": [
                        "metered",
                        "unmetered"
                      ]
                    },
                    "tempo": {
                      "type": "integer",
                      "description": "The tempo, in beats per minute, at the start of the span; if not provided, the API selects a random tempo"
                    },
                    "tempo_changes": {
                      "type": "array",
                      "description": "Two or more inflection points in a tempo curve; the API creates a smoothly changing tempo by using a linear interpolation of the time between each tempo change",
                      "items": {
                        "type": "object",
                        "description": "An inflection point in a tempo curve; the API creates the overall tempo by using a linear interpolation of the time between each tempo change",
                        "required": [
                          "time",
                          "tempo"
                        ],
                        "properties": {
                          "tempo": {
                            "type": "object",
                            "additionalProperties": true
                          },
                          "time": {
                            "type": "object",
                            "additionalProperties": true
                          }
                        }
                      }
                    },
                    "time": {
                      "type": "integer",
                      "description": "The absolute time, in seconds, at which the span starts"
                    }
                  }
                }
              }
            }
          },
          "updated_date": {
            "type": "string",
            "format": "date-time",
            "description": "The time that the audio output was uploaded"
          }
        }
      }
    }
  }
}