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◆ Suno v5.5 · Udio v1.5

Lo-fi 30-Second Background Music.

Intent — Cafe ambience / IG reel soundtrack

30-second short-form video soundtrack or in-store ambient loop. Constraints: opening 3 seconds shouldn't burst in, the end needs to land clean. Suno and Udio are the two mature options today, but their philosophies diverge.

01

Suno v5.5

◆ Recommended prompt
Style: lo-fi hip hop, jazzy chillhop, 75 BPM, mellow piano, soft brushed drums, vinyl crackle texture, warm tape saturation, instrumental no vocals, melancholy but hopeful mood, suitable for studying or coffee shop background

Lyrics:
[Intro - 4 bars]
[piano motif soft]

[Main - 8 bars]
[melody develops with sax pad]

[Outro - 4 bars]
[fade with vinyl crackle]
Open in Suno (paste it)
✓ Strengths
  • **Custom mode 可寫結構**（[Intro] [Main] [Outro]）
  • 30 秒檔長控制比 Udio 精準
  • 免費 tier 也能下載 mp3
  • deep-link 預設帶到 /create
✗ Weaknesses
  • 比 Udio 略「電子味重」（壓縮感較強）
  • 爵士 / 古典曲風偏弱
  • vocals 中文發音偶爾古怪
When to use

TikTok / IG reel / podcast intro —— 速度 + 結構控制優先。

02

Udio v1.5

◆ Recommended prompt
lo-fi jazz hip hop, 70 BPM, warm Rhodes piano, upright bass walking line, brushed jazz drums, soft saxophone melody in mid-section, vinyl crackle texture throughout, melancholic 4-chord progression in F minor, instrumental no vocals, tape-warm production, 30 seconds, gentle fade out
✓ Strengths
  • **音質比 Suno 細膩**（爵士 / 古典樂器分離度高）
  • 「再生 extension」可接續發展段落
  • instrumental 質感勝出（saxophone / 爵士鼓組）
✗ Weaknesses
  • 結構控制較弱（沒 [Verse] [Chorus] 標記）
  • 免費限制嚴格（每月限定次數）
  • 中文 prompt 不友善（建議全英）
When to use

Podcast intro / 餐廳 / 咖啡廳場景 —— 音質優先於速度。

◆ Bottom line

Speed and prompt control → Suno. Audio fidelity and instrument detail → Udio.

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