Audio Event Detection
Audio Event Detection Batch
Detect non-speech sound events in an audio file. Returns a probability for every supported event, plus the audio duration, in a single synchronous response.
POST
/
api
/
velma-2-audio-event-classifier
Detect audio events in an English audio file
curl --request POST \
--url https://platform.modulate.ai/api/velma-2-audio-event-classifier \
--header 'Content-Type: multipart/form-data' \
--header 'X-API-Key: <api-key>' \
--form upload_file='@example-file'import requests
url = "https://platform.modulate.ai/api/velma-2-audio-event-classifier"
files = { "upload_file": ("example-file", open("example-file", "rb")) }
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('upload_file', '<string>');
const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
options.body = form;
fetch('https://platform.modulate.ai/api/velma-2-audio-event-classifier', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://platform.modulate.ai/api/velma-2-audio-event-classifier",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data",
"X-API-Key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://platform.modulate.ai/api/velma-2-audio-event-classifier"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-Key", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://platform.modulate.ai/api/velma-2-audio-event-classifier")
.header("X-API-Key", "<api-key>")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://platform.modulate.ai/api/velma-2-audio-event-classifier")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"probs": {
"cry": 0.01,
"Acoustic_guitar": 0.002,
"Applause": 0.03,
"Bark": 0.001,
"Bass_drum": 0.001,
"Burping_or_eructation": 0.002,
"Bus": 0.001,
"Cello": 0.001,
"Chime": 0.001,
"Clarinet": 0.001,
"Computer_keyboard": 0.001,
"Cough": 0.01,
"Cowbell": 0.001,
"Double_bass": 0.001,
"Drawer_open_or_close": 0.001,
"Electric_piano": 0.001,
"Fart": 0.002,
"Finger_snapping": 0.005,
"Fireworks": 0.001,
"Flute": 0.001,
"Glockenspiel": 0.001,
"Gong": 0.001,
"Gunshot_or_gunfire": 0.001,
"Harmonica": 0.001,
"Hi-hat": 0.001,
"Keys_jangling": 0.001,
"Knock": 0.002,
"Laughter": 0.913,
"Meow": 0.001,
"Microwave_oven": 0.001,
"Oboe": 0.001,
"Saxophone": 0.001,
"Scissors": 0.001,
"Shatter": 0.001,
"Snare_drum": 0.001,
"Squeak": 0.001,
"Tambourine": 0.001,
"Tearing": 0.001,
"Telephone": 0.002,
"Trumpet": 0.001,
"Violin_or_fiddle": 0.001,
"Writing": 0.001
},
"duration_ms": 2000
}
Authorizations
API key used for authentication and usage tracking.
Body
multipart/form-data
Audio file to analyze. Must be non-empty and of a supported format. Supported formats: AAC, AIFF, FLAC, MP3, MP4, MOV, OGG, Opus, WAV, WebM. Maximum file size: 100 MB.
Response
Event detection completed successfully.
Per-event probabilities, each between 0 and 1. cry is predicted
independently. Laughter and every other entry are drawn from a
single shared distribution.
Show child attributes
Show child attributes
The total duration of the processed audio in milliseconds.
Required range:
x >= 0Example:
14253
Detect audio events in an English audio file
curl --request POST \
--url https://platform.modulate.ai/api/velma-2-audio-event-classifier \
--header 'Content-Type: multipart/form-data' \
--header 'X-API-Key: <api-key>' \
--form upload_file='@example-file'import requests
url = "https://platform.modulate.ai/api/velma-2-audio-event-classifier"
files = { "upload_file": ("example-file", open("example-file", "rb")) }
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, files=files, headers=headers)
print(response.text)const form = new FormData();
form.append('upload_file', '<string>');
const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
options.body = form;
fetch('https://platform.modulate.ai/api/velma-2-audio-event-classifier', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://platform.modulate.ai/api/velma-2-audio-event-classifier",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
CURLOPT_HTTPHEADER => [
"Content-Type: multipart/form-data",
"X-API-Key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://platform.modulate.ai/api/velma-2-audio-event-classifier"
payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-Key", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://platform.modulate.ai/api/velma-2-audio-event-classifier")
.header("X-API-Key", "<api-key>")
.body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
.asString();require 'uri'
require 'net/http'
url = URI("https://platform.modulate.ai/api/velma-2-audio-event-classifier")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"upload_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"
response = http.request(request)
puts response.read_body{
"probs": {
"cry": 0.01,
"Acoustic_guitar": 0.002,
"Applause": 0.03,
"Bark": 0.001,
"Bass_drum": 0.001,
"Burping_or_eructation": 0.002,
"Bus": 0.001,
"Cello": 0.001,
"Chime": 0.001,
"Clarinet": 0.001,
"Computer_keyboard": 0.001,
"Cough": 0.01,
"Cowbell": 0.001,
"Double_bass": 0.001,
"Drawer_open_or_close": 0.001,
"Electric_piano": 0.001,
"Fart": 0.002,
"Finger_snapping": 0.005,
"Fireworks": 0.001,
"Flute": 0.001,
"Glockenspiel": 0.001,
"Gong": 0.001,
"Gunshot_or_gunfire": 0.001,
"Harmonica": 0.001,
"Hi-hat": 0.001,
"Keys_jangling": 0.001,
"Knock": 0.002,
"Laughter": 0.913,
"Meow": 0.001,
"Microwave_oven": 0.001,
"Oboe": 0.001,
"Saxophone": 0.001,
"Scissors": 0.001,
"Shatter": 0.001,
"Snare_drum": 0.001,
"Squeak": 0.001,
"Tambourine": 0.001,
"Tearing": 0.001,
"Telephone": 0.002,
"Trumpet": 0.001,
"Violin_or_fiddle": 0.001,
"Writing": 0.001
},
"duration_ms": 2000
}