StepAudioEditX - Clone 🎤:
The StepAudio_VoiceClone node is a powerful tool designed for zero-shot voice cloning, allowing you to replicate a voice from a reference audio sample and generate new audio content in that cloned voice. This node is implemented natively in ComfyUI, ensuring a seamless and efficient experience without the need for JavaScript dependencies. It leverages advanced machine learning techniques to capture the unique characteristics of a voice from a short audio clip and apply them to new text, producing high-quality 24kHz audio output using the CosyVoice vocoder. This capability is particularly beneficial for AI artists and creators looking to maintain consistency in voiceovers or create personalized audio content without requiring extensive voice samples.
StepAudioEditX - Clone 🎤 Input Parameters:
prompt_text
The prompt_text parameter is the transcript of the reference audio. It serves as a textual representation of the audio content you wish to clone. This parameter is crucial as it helps the model understand the phonetic and linguistic characteristics of the reference voice. The input should be a non-empty string, and providing an accurate transcript will enhance the quality of the voice cloning process.
target_text
The target_text parameter specifies the text you want to generate in the cloned voice. This is the new content that will be spoken in the voice captured from the reference audio. It is essential to provide a clear and concise text input, as this will directly influence the output audio. The input should be a non-empty string to ensure successful execution.
model_path
The model_path parameter indicates the location of the voice cloning model to be used. This path must be correctly specified to load the appropriate model for the cloning process. If the model is not found, the node will not function correctly, so ensure the path is accurate and the model is available.
device
The device parameter determines the hardware on which the model will run, such as cpu or cuda for GPU acceleration. Selecting the appropriate device can significantly impact the performance and speed of the voice cloning process.
torch_dtype
The torch_dtype parameter specifies the data type used by PyTorch during model execution, such as float32 or float16. This can affect the precision and memory usage of the model, with lower precision types potentially offering faster performance at the cost of some accuracy.
quantization
The quantization parameter controls whether model quantization is applied, which can reduce the model size and speed up inference. This is particularly useful for running models on devices with limited resources.
attention_mechanism
The attention_mechanism parameter defines the type of attention mechanism used in the model, which can influence the model's ability to focus on different parts of the input text during generation. This can affect the naturalness and coherence of the output audio.
temperature
The temperature parameter is a float value that controls the randomness of the audio generation process. Lower values result in more deterministic outputs, while higher values introduce more variability and creativity in the generated audio.
do_sample
The do_sample parameter is a boolean that determines whether sampling is used during audio generation. Enabling sampling can lead to more diverse outputs, while disabling it results in more consistent and predictable audio.
max_new_tokens
The max_new_tokens parameter sets the maximum number of tokens to generate in the output audio. This limits the length of the generated content and can be adjusted based on the desired output length.
longform_chunking
The longform_chunking parameter is a boolean that enables chunking for long-form audio generation. This helps manage memory usage and maintain quality when generating extended audio content.
seed
The seed parameter is an integer used to initialize the random number generator, ensuring reproducibility of the audio generation process. By setting a specific seed, you can achieve consistent results across different runs.
keep_model_in_vram
The keep_model_in_vram parameter is a boolean that determines whether the model should remain in VRAM after execution. Keeping the model in VRAM can speed up subsequent operations but may consume more memory.
prompt_audio
The prompt_audio parameter is the reference audio input, provided as a ComfyUI AUDIO dictionary. This audio sample is analyzed to extract the voice characteristics needed for cloning. It is a mandatory input, and the absence of this parameter will result in an error.
StepAudioEditX - Clone 🎤 Output Parameters:
audio
The audio output parameter is a ComfyUI AUDIO dictionary containing the generated audio in the cloned voice. This output represents the successful application of the voice cloning process, where the target text is spoken in the voice captured from the reference audio. The quality and fidelity of this output depend on the accuracy of the input parameters and the model's capabilities.
StepAudioEditX - Clone 🎤 Usage Tips:
- Ensure that the
prompt_textaccurately reflects the content of theprompt_audioto improve the quality of the voice cloning. - Use a higher
temperaturevalue for more creative and varied audio outputs, but lower it for more consistent and predictable results. - If you experience memory issues, consider enabling
quantizationor using a lower precisiontorch_dtypeto reduce resource usage. - For long-form audio generation, enable
longform_chunkingto manage memory and maintain audio quality.
StepAudioEditX - Clone 🎤 Common Errors and Solutions:
"prompt_audio is required. Please connect an audio source."
- Explanation: This error occurs when the
prompt_audioparameter is not provided, which is essential for the voice cloning process. - Solution: Ensure that you connect a valid audio source to the
prompt_audioparameter before executing the node.
"prompt_text cannot be empty. Please provide the transcript of the reference audio."
- Explanation: This error indicates that the
prompt_textparameter is empty, which is necessary for understanding the reference audio. - Solution: Provide a non-empty transcript of the reference audio in the
prompt_textparameter.
"target_text cannot be empty. Please provide the text to generate."
- Explanation: This error occurs when the
target_textparameter is empty, which is required for generating new audio content. - Solution: Enter the text you wish to generate in the
target_textparameter.
"Step Audio not available: <error_msg>"
- Explanation: This error suggests that the Step Audio installation is incomplete or incorrect.
- Solution: Verify the installation of Step Audio and ensure all dependencies are correctly set up.
"Model not found: <model_path>"
- Explanation: This error indicates that the specified model path is incorrect or the model is missing.
- Solution: Check the
model_pathparameter to ensure it points to a valid and existing model file.
