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51 lines
1.5 KiB
Markdown
51 lines
1.5 KiB
Markdown
---
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description: "從音訊檔案產生波形視覺化的 PNG 影像。"
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i18n_source_hash: 5480106dfe48
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i18n_provenance: human
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i18n_output_hash: c3b9a8688acb
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---
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# 波形影像 {#waveform-image}
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從音訊檔案產生波形視覺化的 PNG 影像,並可設定尺寸與顏色。
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## API Endpoint {#api-endpoint}
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`POST /api/v1/tools/audio/waveform-image`
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接受包含一個音訊檔案以及一個 JSON `settings` 欄位的 multipart form data。
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## Parameters {#parameters}
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| Parameter | Type | Required | Default | Description |
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|-----------|------|----------|---------|-------------|
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| width | integer | No | `1024` | 影像寬度(像素)(256 至 3840) |
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| height | integer | No | `256` | 影像高度(像素)(64 至 1080) |
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| color | string | No | `"#4f46e5"` | 波形十六進位顏色(例如 `"#4f46e5"`) |
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## Example Request {#example-request}
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```bash
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curl -X POST http://localhost:1349/api/v1/tools/audio/waveform-image \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@audio.mp3" \
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-F 'settings={"width": 1920, "height": 400, "color": "#e07832"}'
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```
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## Example Response {#example-response}
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```json
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{
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"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.png",
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"originalSize": 4500000,
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"processedSize": 45000
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}
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```
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## Notes {#notes}
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- 無論輸入音訊格式為何,輸出一律為 PNG 影像。
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- 波形會繪製在透明背景上。
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- 適合用於縮圖、社群媒體預覽,或嵌入網頁。
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