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lunahr/Celune-1.7B-Upbeat

sourceHugging Facemitupdated 6mo agoView on Hugging Face
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Celune - Upbeat

“It’s not just a TTS, it’s a character.”

Celune is a single-speaker neural TTS voice built on top of Qwen3-TTS. This model defines one identity, one voice, and one consistent speaking style.

Overview

  • —Model: Qwen3-TTS-12Hz-1.7B-Base (finetuned)
  • —Type: Single-speaker voice
  • —Language: English + 9 others
  • —Style: Playful, light, joke-telling tone

This is part of the Celune voice lineup, where each model represents a distinct interpretation of the same character.

Voice Description

A playful and lively voice with a positive tone, suited for humor, casual speech, and joke-like delivery.

Characteristics

  • —Consistent timbre across generations
  • —Expanded expressiveness beyond reference audio
  • —Supports prompt-based tone steering
  • —Stable pacing and pronunciation
  • —Designed for real-time or near real-time usage

Usage

Basic Example

py
import numpy as np
import soundfile as sf
from faster_qwen3_tts import FasterQwen3TTS

model = FasterQwen3TTS.from_pretrained("lunahr/Celune-1.7B-Upbeat")

buffer = []
for audio_chunk, sr, timing in model.generate_custom_voice_streaming(
    text="Hello, this is Celune.",
    language="Auto",
    speaker="celune"
):
    buffer.append(audio_chunk)

wav = np.concatenate(buffer)
sf.write("output.wav", wav, 24000)

Sample Output

<audio controls> <source src="https://huggingface.co/lunahr/Celune-1.7B-Upbeat/resolve/main/sample.wav?download=true" type="audio/wav"> </audio>

Prompt Steering

You can influence delivery style using text or instruct prompts:

Examples:

  • —“whisper this softly”
  • —“speak with excitement”
  • —“calm and slow delivery”

The model will stay within the defined voice but expand expression.

Notes

  • —This is a single-speaker model. It does not support multiple voices.
  • —Voice identity is fixed and defined by training data.
  • —Avoid mixing languages mid-sentence for best stability.
  • —Avoid special tokens or markup in spoken text.

Intended Use

  • —Character voices
  • —Assistive TTS
  • —Offline voice systems
  • —Creative projects and prototyping

Limitations

  • —Not designed for multi-speaker tasks
  • —Extreme prompts may introduce instability
  • —Long mixed-language inputs may degrade output

About Celune

Celune is a local-first TTS system focused on speed, control, and identity.

Each model in the Celune lineup is:

  • —self-contained
  • —stylistically distinct
  • —built around the same core character concept

License

MIT and Qwen's Apache 2.0 license

Credits

  • —Base model: Qwen3-TTS-12Hz-1.7B-Base
  • —Finetuning + voice design: https://huggingface.co/lunahr