Automatisation Podcast avec n8n : résumé et gestion audio
Ce workflow n8n a pour objectif d'automatiser la gestion et le résumé de podcasts en intégrant divers outils et services. Dans un contexte où la production de contenu audio est en pleine expansion, ce processus permet aux créateurs de gagner du temps et d'améliorer leur efficacité. En utilisant des services comme Gmail pour l'envoi de notifications, ainsi que des requêtes HTTP pour interagir avec des APIs externes, ce workflow répond à des besoins concrets tels que la transcription audio, le téléchargement de fichiers et la génération de résumés. Le processus débute par un déclencheur programmé via le nœud 'Schedule', qui initie le workflow à des intervalles réguliers. Ensuite, les fichiers audio sont téléchargés à l'aide de plusieurs nœuds HTTP, notamment 'Download Podcast' et 'Download Cut MP3'. Une fois les fichiers récupérés, le nœud 'Whisper Transcribe Audio' est utilisé pour transcrire le contenu audio en texte. Par la suite, le texte est résumé grâce au nœud 'Summarize Podcast', qui utilise l'API d'OpenAI pour générer un résumé concis. Les résultats sont ensuite traités et organisés à l'aide de nœuds comme 'Merge Results' et 'Final Data', permettant une présentation claire des informations. Enfin, des notifications peuvent être envoyées via Gmail pour informer les utilisateurs des nouvelles mises à jour. Ce workflow offre une valeur ajoutée significative en réduisant le temps de traitement et en améliorant la qualité des résumés de contenu audio, rendant ainsi la gestion de podcasts plus fluide et efficace. Tags clés : automatisation, podcast, Gmail.
Vue d'ensemble du workflow n8n
Schéma des nœuds et connexions de ce workflow n8n, généré à partir du JSON n8n.
Détail des nœuds du workflow n8n
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"meta": {
"instanceId": "7858a8e25b8fc4dae485c1ef345e6fe74effb1f5060433ef500b4c186c965c18"
},
"nodes": [
{
"id": "49ab7596-665e-4a0f-bb8b-9dc04525ce88",
"name": "Gmail",
"type": "n8n-nodes-base.gmail",
"position": [
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],
"parameters": {
"message": "={{ $json.html }}",
"options": {},
"subject": "Podcast Review"
},
"credentials": {
"gmailOAuth2": {
"id": "1MUdv1HbrQUFABiZ",
"name": "Gmail account"
}
},
"typeVersion": 2.1
},
{
"id": "40aa23f4-69d6-46e5-84a2-b46a64a3f0af",
"name": "TaddyTopDaily",
"type": "n8n-nodes-base.httpRequest",
"position": [
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],
"parameters": {
"url": "https://api.taddy.org/",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "query",
"value": "=query { getTopChartsByGenres( limitPerPage:10, filterByCountry:UNITED_STATES_OF_AMERICA, taddyType:PODCASTEPISODE, genres:PODCASTSERIES_{{ $json.genre }}){ topChartsId podcastEpisodes{ uuid name audioUrl podcastSeries{ uuid name } } } }"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "X-USER-ID"
},
{
"name": "X-API-KEY"
}
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"typeVersion": 4.2
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{
"id": "42eea23b-b09c-49ee-af5b-12abb3960390",
"name": "Genre",
"type": "n8n-nodes-base.set",
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"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e995cd5b-b91c-4a9d-8215-44d7dfe3f52f",
"name": "genre",
"type": "string",
"value": "TECHNOLOGY"
}
]
}
},
"typeVersion": 3.4
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{
"id": "da256fbf-ed7b-4a26-9fa8-33d1c2b717a5",
"name": "Split Out",
"type": "n8n-nodes-base.splitOut",
"position": [
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"parameters": {
"options": {},
"fieldToSplitOut": "data.getTopChartsByGenres.podcastEpisodes"
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{
"id": "069ab68c-dcd6-406f-8e7f-2597f62a04f5",
"name": "Whisper Transcribe Audio",
"type": "n8n-nodes-base.httpRequest",
"position": [
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"parameters": {
"url": "https://api.openai.com/v1/audio/transcriptions",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "model",
"value": "whisper-1"
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{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"nodeCredentialType": "openAiApi"
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"credentials": {
"openAiApi": {
"id": "tTOOlpAaNT3QoKbQ",
"name": "OpenAi account"
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{
"id": "ffa67b8d-8601-4e1d-8f72-b6266e6b3327",
"name": "Final Data",
"type": "n8n-nodes-base.set",
"position": [
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"parameters": {
"mode": "raw",
"options": {},
"jsonOutput": "={\n\"podcast\": \"{{ $('TaddyTopDaily').item.json.data.getTopChartsByGenres.podcastEpisodes[$itemIndex].podcastSeries.name }}\",\n\"name\": \"{{ $('TaddyTopDaily').item.json.data.getTopChartsByGenres.podcastEpisodes[$itemIndex].name.replace(/\\\"/g,'\\\"') }}\",\n \"url\":\"{{ $('TaddyTopDaily').item.json.data.getTopChartsByGenres.podcastEpisodes[$itemIndex].audioUrl.replace(/\"/g,'') }}\",\n\"summary\":\"{{ $json.message.content.replace(/\\\\/g, '\\\\\\\\').replace(/\"/g, '\\\\\"').replace(/\\n/g, '<br/>').replace(/\\r/g, '\\\\r').replace(/\\t/g, '\\\\t') }}\"\n \n}\n"
},
"typeVersion": 3.4
},
{
"id": "88cd1fa5-07ae-4dcd-b4f8-85cbf7c98d73",
"name": "Merge Results",
"type": "n8n-nodes-base.code",
"position": [
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"parameters": {
"jsCode": "return [{fields:$input.all().map(x=>x.json)}]"
},
"typeVersion": 2
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{
"id": "4c2c80d1-750f-42f1-a0f1-343dec325b0f",
"name": "HTML",
"type": "n8n-nodes-base.html",
"position": [
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"parameters": {
"html": "<!DOCTYPE html>\n<html>\n<head>\n <meta charset=\"UTF-8\" />\n</head>\n<body>\n <table>\n <tr> \n {{ ['Podcast', 'Episode', 'Summary'].map(propname=>'<td><h4>'+propname+'</h4></td>').join('') }}\n </tr>\n {{ $json.fields.map(ep=>{ return `<tr><td>${ep.podcast}</td><td><a href=\"${ep.url}\">${ep.name}</a></td><td>${ep.summary}</td><td></td></tr>`} ) }}\n </table>\n</body>\n</html>\n\n<style>\ntr { \n border: 1px solid #000; \n padding: 8px; \n }\n.container {\n background-color: #ffffff;\n text-align: center;\n padding: 16px;\n border-radius: 8px;\n}\n\nh1 {\n color: #ff6d5a;\n font-size: 24px;\n font-weight: bold;\n padding: 8px;\n}\n\nh2 {\n color: #909399;\n font-size: 18px;\n font-weight: bold;\n padding: 8px;\n}\n</style>\n"
},
"executeOnce": true,
"typeVersion": 1.2
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{
"id": "f1d13556-2c3a-48e5-84a1-5b82f338c6ba",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
340,
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"parameters": {
"color": 4,
"width": 547.952991050529,
"height": 683.5200847858991,
"content": "## Daily Podcast Summary\n### This workflow will summarize the content in the day's top podcasts for a certain genre, then send you the podcasts with summaries by email\n\n## Setup:\n 1. Create a free API key on Taddy here: https://taddy.org/signup/developers\n 2. Input your user number and API key into the `TaddyTopDaily` node in the header parameters X-USER-ID and X-API-KEY respectively.\n 3. Create access credentials for your Gmail as described here: https://developers.google.com/workspace/guides/create-credentials. Use the credentials from your *client_secret.json* in the `Gmail` node.\n 4. In the `Genre` node, set the genre of podcasts you want a summary for. Valid values are: TECHNOLOGY, NEWS, ARTS, COMEDY, SPORTS, FICTION, etc. Look at api.taddy.org for the full list (they will be displayed in the help docs as PODCASTSERIES_TECHNOLOGY, PODCASTSERIES_NEWS, etc.)\n 5. Enter your email address in the `Gmail` node.\n 6. Change the schedule time for sending email from `Schedule` to whichever time you want to receive the email.\n \n\n## Test:\n- Link a `Test Workflow` node in place of the `Schedule` node.\n- Hit Test Workflow.\n- Check your email for the results."
},
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{
"id": "5aee7279-349e-47cd-99dc-7a32677b5a20",
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"position": [
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"parameters": {
"width": 651.4454343326669,
"height": 252.64899257060446,
"content": "### Whisper transcribes and Open AI summarizes the podcast"
},
"typeVersion": 1
},
{
"id": "f8b4a203-b27f-4a11-90ef-a7e1561219f5",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1100,
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],
"parameters": {
"width": 1189.7320416038633,
"height": 249.2202456997519,
"content": "### Get daily list of top podcasts (according to Apple charts) and download audio, then crop for OpenAI"
},
"typeVersion": 1
},
{
"id": "7045c9c8-5509-4dc0-b167-ddd4d6c90c22",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1825,
1384
],
"parameters": {
"width": 645.0210885124873,
"height": 227.94126205257731,
"content": "### Finally, send the email!"
},
"typeVersion": 1
},
{
"id": "8dc9583b-cec3-4ac0-a74a-329f6c3b4801",
"name": "Summarize Podcast",
"type": "n8n-nodes-base.openAi",
"position": [
2140,
1120
],
"parameters": {
"model": "gpt-4o-mini",
"prompt": {
"messages": [
{
"content": "=Summarize the major points of the following podcast: {{ $json.text }}. Start your answer by saying 'This episode focuses on', 'This episode is about', etc. Contain your answer to 3-4 paragraphs max, and focus on only key information. "
}
]
},
"options": {
"maxTokens": 500
},
"resource": "chat",
"requestOptions": {}
},
"credentials": {
"openAiApi": {
"id": "tTOOlpAaNT3QoKbQ",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "e8d122f1-29f9-41ca-9c6b-b72269686fd6",
"name": "Schedule",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
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],
"parameters": {
"rule": {
"interval": [
{
"triggerAtHour": 8
}
]
}
},
"typeVersion": 1.2
},
{
"id": "67bc7a5b-8d0a-4de4-918d-410551dad4d7",
"name": "Request Audio Crop",
"type": "n8n-nodes-base.httpRequest",
"position": [
1000,
1220
],
"parameters": {
"url": "https://api.products.aspose.app/audio/cutter/api/cutter",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "1",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
},
{
"name": "convertOption",
"value": "{\"startTime\":\"00:08:00\",\"endTime\":\"00:24:00\",\"audioFormat\":\"mp3\"}"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "*/*("
},
{
"name": "Connection",
"value": "keep-alive"
},
{
"name": "Origin",
"value": "https://products.aspose.app"
},
{
"name": "Referer",
"value": "https://products.aspose.app"
},
{
"name": "Sec-Fetch-Dest",
"value": "empty"
},
{
"name": "Sec-Fetch-Mode",
"value": "cors"
},
{
"name": "Sec-Fetch-Site",
"value": "same-site"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "0dc62507-3fea-45d7-a0dc-e92fb8e2600f",
"name": "Get Download Link",
"type": "n8n-nodes-base.httpRequest",
"position": [
1200,
1220
],
"parameters": {
"url": "=https://api.products.aspose.app/audio/cutter/api/cutter/HandleStatus?fileRequestId={{ $('Request Audio Crop').item.json.Data.FileRequestId }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/json, text/javascript, */*; q=0.01"
},
{
"name": "Connection",
"value": "keep-alive"
},
{
"name": "Origin",
"value": "https://products.aspose.app"
},
{
"name": "Referer",
"value": "https://products.aspose.app"
},
{
"name": "Sec-Fetch-Dest",
"value": "empty"
},
{
"name": "Sec-Fetch-Dest",
"value": "cors"
},
{
"name": "Sec-Fetch-Dest",
"value": "same-site"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "8aa65189-2a4b-4ac4-9915-45ccd679a5da",
"name": "Download Cut MP3",
"type": "n8n-nodes-base.httpRequest",
"position": [
1660,
1140
],
"parameters": {
"url": "={{ $json.Data.DownloadLink }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "4e7318df-dbaa-4d9f-858d-4455ead763c1",
"name": "Download Podcast",
"type": "n8n-nodes-base.httpRequest",
"position": [
2060,
820
],
"parameters": {
"url": "={{ $json.audioUrl }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "ab4601c6-7387-4f2f-a2f3-4256f88c0b3e",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
1600,
1360
],
"webhookId": "bc28bc57-d9ea-430e-88db-78d088a058cb",
"parameters": {},
"typeVersion": 1.1
},
{
"id": "a0b300b9-aaad-48f1-8319-a03700e0d298",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
920,
1100
],
"parameters": {
"width": 898.7483569555845,
"height": 387.3779915472271,
"content": "### Crop the podcast down before analysis"
},
"typeVersion": 1
},
{
"id": "34ca89fe-4ed1-491f-b3b9-32e97040959b",
"name": "If Downloads Ready",
"type": "n8n-nodes-base.if",
"position": [
1380,
1180
],
"parameters": {
"options": {},
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "49440938-0cb3-41c8-bcab-b7ad96973f77",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $input.all().map(x=>x.json.Data.DownloadLink).reduce((accumulator, currentValue) => accumulator && currentValue, true)\n}}",
"rightValue": ""
}
]
},
"looseTypeValidation": true
},
"typeVersion": 2.1
}
],
"pinData": {},
"connections": {
"HTML": {
"main": [
[
{
"node": "Gmail",
"type": "main",
"index": 0
}
]
]
},
"Wait": {
"main": [
[
{
"node": "Get Download Link",
"type": "main",
"index": 0
}
]
]
},
"Genre": {
"main": [
[
{
"node": "TaddyTopDaily",
"type": "main",
"index": 0
}
]
]
},
"Schedule": {
"main": [
[
{
"node": "Genre",
"type": "main",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Download Podcast",
"type": "main",
"index": 0
}
]
]
},
"Final Data": {
"main": [
[
{
"node": "Merge Results",
"type": "main",
"index": 0
}
]
]
},
"Merge Results": {
"main": [
[
{
"node": "HTML",
"type": "main",
"index": 0
}
]
]
},
"TaddyTopDaily": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Download Cut MP3": {
"main": [
[
{
"node": "Whisper Transcribe Audio",
"type": "main",
"index": 0
}
]
]
},
"Download Podcast": {
"main": [
[
{
"node": "Request Audio Crop",
"type": "main",
"index": 0
}
]
]
},
"Get Download Link": {
"main": [
[
{
"node": "If Downloads Ready",
"type": "main",
"index": 0
}
]
]
},
"Summarize Podcast": {
"main": [
[
{
"node": "Final Data",
"type": "main",
"index": 0
}
]
]
},
"If Downloads Ready": {
"main": [
[
{
"node": "Download Cut MP3",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Request Audio Crop": {
"main": [
[
{
"node": "Get Download Link",
"type": "main",
"index": 0
}
]
]
},
"Whisper Transcribe Audio": {
"main": [
[
{
"node": "Summarize Podcast",
"type": "main",
"index": 0
}
]
]
}
}
}Pour qui est ce workflow ?
Ce workflow s'adresse aux créateurs de contenu audio, aux podcasteurs et aux équipes marketing qui souhaitent automatiser la gestion de leurs podcasts. Il est idéal pour les entreprises de taille moyenne à grande, ainsi que pour les professionnels ayant des compétences techniques intermédiaires.
Problème résolu
Ce workflow résout le problème de la gestion manuelle des podcasts, qui peut être chronophage et source d'erreurs. En automatisant le téléchargement, la transcription et le résumé des épisodes, il permet aux utilisateurs de se concentrer sur la création de contenu de qualité. Les utilisateurs bénéficient d'une réduction significative du temps consacré à ces tâches, tout en assurant une cohérence et une précision dans la présentation des informations.
Étapes du workflow
Étape 1 : Le workflow est déclenché par le nœud 'Schedule', qui définit la fréquence d'exécution. Étape 2 : Les fichiers audio sont téléchargés via les nœuds 'Download Podcast' et 'Download Cut MP3'. Étape 3 : Le nœud 'Whisper Transcribe Audio' transcrit le contenu audio en texte. Étape 4 : Le texte est résumé grâce au nœud 'Summarize Podcast'. Étape 5 : Les résultats sont organisés avec 'Merge Results' et 'Final Data'. Étape 6 : Des notifications sont envoyées via Gmail pour informer des mises à jour.
Guide de personnalisation du workflow n8n
Pour personnaliser ce workflow, commencez par ajuster le nœud 'Schedule' pour définir la fréquence d'exécution selon vos besoins. Modifiez les URL dans les nœuds HTTP pour pointer vers les fichiers audio que vous souhaitez traiter. Vous pouvez également adapter les paramètres du nœud 'Whisper Transcribe Audio' pour améliorer la précision de la transcription. Enfin, personnalisez le contenu des notifications Gmail pour qu'il corresponde à votre style de communication. Assurez-vous de tester chaque étape pour garantir le bon fonctionnement du flux.