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The Dispatch

Parler-TTS Development Stagnates as Last Commit Dates Back to August

Parler-TTS, an open-source text-to-speech library designed for generating high-quality speech, has not seen any new commits since August 19, 2024. The project, backed by research from Stability AI and Edinburgh University, aims to provide customizable speech synthesis through user-defined parameters.

Recent Activity

Recent issues and pull requests indicate a community-driven effort to expand language support and improve model performance. Issues like #116 and #115 reflect user demand for Italian and Chinese language support, while #112 highlights concerns over voice consistency. Pull requests such as #110 address audio generation artifacts, suggesting ongoing efforts to refine the TTS output quality.

Development Team and Recent Activity

The team has concentrated on documentation enhancements and bug fixes, with a collaborative approach evident in co-authored commits.

Of Note

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Recent GitHub Issues Activity

Timespan Opened Closed Comments Labeled Milestones
7 Days 7 1 5 7 1
30 Days 20 5 42 20 1
90 Days 43 17 106 43 1
All Time 80 22 - - -

Like all software activity quantification, these numbers are imperfect but sometimes useful. Comments, Labels, and Milestones refer to those issues opened in the timespan in question.

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Quantified Commit Activity Over 30 Days

Developer Avatar Branches PRs Commits Files Changes
Yoach Lacombe 1 4/5/0 5 19 2380
eustlb 1 0/1/0 1 13 922
UncleCode 1 1/1/0 1 1 2
Akash Gupta (Guppy16) 0 1/0/0 0 0 0
Artem Bolgar (Artyom17) 0 0/0/1 0 0 0
Ashwin Sankar (AshwinSankar17) 0 1/0/1 0 0 0
Sanchit Gandhi (sanchit-gandhi) 0 0/0/1 0 0 0
tsdocode (sang-nguyen-ts) 0 1/0/2 0 0 0
edwixx (anurag12-webster) 0 1/0/0 0 0 0

PRs: created by that dev and opened/merged/closed-unmerged during the period

Detailed Reports

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Recent Activity Analysis

The GitHub repository for Parler-TTS has seen active engagement, with 58 open issues currently being discussed. Recent activity includes a mix of feature requests, bug reports, and inquiries about model usage, indicating a vibrant community that is both utilizing and contributing to the project. Notably, there are several issues related to language support and model performance, suggesting ongoing interest in expanding the capabilities of the TTS system.

A significant theme among the recent issues is the request for support for various languages (e.g., Italian, Chinese) and improvements in voice consistency across different generations. Additionally, users are seeking guidance on fine-tuning models with specific datasets and addressing technical errors encountered during training or inference. The presence of multiple issues regarding audio quality and generation speed highlights areas where users are experiencing challenges that could impact their overall satisfaction with the tool.

Issue Details

  1. Issue #119: Substitute different Audio codec and Text encoder?

    • Priority: Medium
    • Status: Open
    • Created: 1 day ago
    • Updated: N/A
    • Description: User seeks guidance on using alternative audio and text encoders not hosted on Hugging Face.
  2. Issue #117: Documentation references to facebook/parler_tts-small

    • Priority: High
    • Status: Open
    • Created: 2 days ago
    • Updated: N/A
    • Description: Reports broken code examples in documentation and incorrect references to models.
  3. Issue #116: How to use Italian language?

    • Priority: Medium
    • Status: Open
    • Created: 3 days ago
    • Updated: N/A
    • Description: Inquiry about using an Italian style speaker.
  4. Issue #115: Hope to support Chinese.

    • Priority: Medium
    • Status: Open
    • Created: 4 days ago
    • Updated: N/A
    • Description: User expresses hope for future support of the Chinese language.
  5. Issue #112: Speaker voice is not consistent across different generation

    • Priority: High
    • Status: Open
    • Created: 5 days ago
    • Updated: 3 days ago
    • Description: User reports inconsistency in voice generation and seeks solutions.
  6. Issue #111: Asking for GPU to finetune large model

    • Priority: Medium
    • Status: Open
    • Created: 7 days ago
    • Updated: 6 days ago
    • Description: Inquiry about finetuning a large model with limited GPU resources.
  7. Issue #100: Error on fine tuning

    • Priority: High
    • Status: Open
    • Created: 12 days ago
    • Updated: 9 days ago
    • Description: User encounters an error while attempting to fine-tune their dataset.
  8. Issue #99: GGML implementation when?

    • Priority: Low
    • Status: Open
    • Created: 15 days ago
    • Updated: 8 days ago
    • Description: User inquires about potential GGML implementation for better performance on lower-end hardware.
  9. Issue #97: Some questions to prepare multilinguality training from scratch

    • Priority: Medium
    • Status: Open
    • Created: 15 days ago
    • Updated: 9 days ago
    • Description: User seeks advice on multilingual training strategies.
  10. Issue #95: Any list of all 36 voices?

    • Priority: Low
    • Status: Open
    • Created: 15 days ago
    • Updated: N/A
    • Description: User requests a comprehensive list of available voices in the TTS system.

This selection of issues illustrates a diverse range of user needs, from technical troubleshooting to feature enhancement requests, reflecting both the complexity of TTS technology and the community's eagerness to expand its capabilities.

Report On: Fetch pull requests



Report on Pull Requests

Overview

The repository huggingface/parler-tts currently has 4 open pull requests and a substantial history of closed pull requests, totaling 34. The recent activity indicates ongoing development focused on bug fixes, feature enhancements, and optimizations for the text-to-speech (TTS) functionalities.

Summary of Pull Requests

Open Pull Requests

  • PR #110: Bugfix: Delay pattern mask is applied twice
    Created 8 days ago. This PR addresses multiple issues related to the application of delay masks in the TTS generation process, which could lead to audio artifacts. It also includes an example notebook for voice enrollment, enhancing audio consistency. Notably, there are discussions about whether similar fixes should be applied to another class, indicating potential oversight in code coverage.

  • PR #103: Trivia typo fix in comments
    Created 10 days ago. A minor contribution aimed at correcting typos in the comments of the training script. The contributor expresses a desire for guidance on adding GGML support, highlighting a learning curve for newcomers.

  • PR #72: Fixed some errors to make it easier for first-time users
    Created 71 days ago. This PR aims to improve user experience by addressing common issues faced by new users when using the official codebase. It suggests refinements to model initialization scripts based on user feedback.

  • PR #60: [training] apply save_total_limit to push
    Created 86 days ago. This PR enhances the training configuration by ensuring that the save_total_limit parameter applies not only locally but also when pushing models to the Hugging Face Hub. It includes testing details and demonstrates practical application through a specific training configuration.

Closed Pull Requests

  • PR #118: Fix shape error in si-sdr function
    Closed 1 day ago without merging. This PR attempted to fix a shape error in a function but was not merged.

  • PR #113: Fix reduce torch compile long warmup
    Closed 5 days ago without merging. It aimed to address performance issues related to warm-up times during model compilation but did not achieve consensus for merging.

  • PR #108: Update training guide colab
    Merged 9 days ago. This PR updated documentation related to training guides, reflecting changes in usage and improving clarity for users.

  • PR #102: Update training guide
    Merged 9 days ago. Similar to PR #108, this update included necessary adjustments for versioning and configurations relevant to training processes.

Analysis of Pull Requests

The pull requests reflect several key themes in the ongoing development of the Parler-TTS project:

  1. Bug Fixes and Enhancements: A significant portion of both open and closed pull requests focus on bug fixes, particularly concerning audio generation artifacts and user experience improvements. For instance, PR #110 addresses critical bugs that could degrade audio quality during TTS generation, while PR #72 aims to streamline the onboarding process for new users by fixing common errors encountered with initial setups.

  2. Documentation Improvements: Several recent pull requests have concentrated on enhancing documentation and training guides (e.g., PRs #108 and #102). This is crucial as it not only aids current contributors but also attracts new users who may be intimidated by complex setups or unclear instructions.

  3. Performance Optimizations: There is a clear trend towards optimizing performance, particularly regarding model compilation and inference speed (e.g., PRs #60 and #113). These optimizations are essential given the resource-intensive nature of TTS models and the increasing demand for real-time applications.

  4. Community Engagement: The discussions within pull requests often indicate a collaborative environment where contributors seek feedback from maintainers (e.g., Akash Gupta's inquiries in PR #110). However, there are also signs of potential bottlenecks in review processes, as seen with several unmerged or closed PRs that may benefit from more timely feedback.

  5. Diversity of Contributions: The range of contributions—from trivial typo fixes (PR #103) to significant architectural changes (e.g., previous PRs related to attention mechanisms)—demonstrates an active community willing to engage with various aspects of the codebase. However, it also highlights a need for clearer guidelines on contribution expectations and areas where help is most needed.

  6. Old Pull Requests and Merge Activity: While there is ongoing activity with new pull requests being created regularly, some older pull requests remain unmerged or have been closed without resolution (e.g., PRs like #84 and #59). This could indicate either a lack of resources for thorough reviews or shifting priorities within the project that may leave certain contributions overlooked.

In conclusion, while Parler-TTS is progressing well with active contributions focused on bug fixes, documentation improvements, and performance enhancements, there remains an opportunity to improve engagement with contributors and streamline the review process for incoming pull requests. Addressing these areas could further enhance the project's growth and usability within the TTS community.

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Repo Commits Analysis

Development Team and Recent Activity

Team Members

  • Yoach Lacombe (ylacombe)

    • Recent activity includes multiple commits focused on updating the training guide, fixing errors in training and evaluation processes, and enhancing the README documentation. Collaborated with Sanchit Gandhi and others on various updates.
    • Notable contributions:
    • Fixing transcription errors and improving model initialization scripts.
    • Significant updates to training configurations and evaluation scripts.
  • Sanchit Gandhi (sanchit-gandhi)

    • No recent commits but has been involved in several pull requests, particularly related to evaluation fixes and normalizing WER (Word Error Rate).
  • UncleCode (unclecode)

    • Made a minor commit fixing a typo in INFERENCE.md. Active in merging pull requests.
  • Eustlb

    • Contributed one significant commit that included extensive changes across multiple files, focusing on architectural improvements and optimizations.
  • Sang Nguyen (sang-nguyen-ts)

    • No recent commits but has multiple open pull requests, indicating ongoing involvement in the project.
  • Other Members (AshwinSankar17, Guppy16, anurag12-webster, Artyom17)

    • No recent activity; all have open pull requests indicating past contributions but no current engagement.

Summary of Recent Activities

  • The team has been actively updating documentation, fixing bugs, and enhancing training scripts over the last two weeks.
  • Key features addressed include:
    • Improvements to the training guide and README documentation.
    • Fixes for transcription errors and enhancements to model initialization scripts.
    • Architectural improvements aimed at optimizing performance.

Patterns and Themes

  • Collaboration: There is a strong collaborative effort among team members, with many commits co-authored or involving multiple contributors.
  • Focus on Documentation: A significant emphasis has been placed on improving documentation, which is crucial for usability given the project's complexity.
  • Bug Fixing: Recent activities indicate a concentrated effort to address bugs and improve the robustness of the training process.
  • Feature Development: The team is actively working on enhancing features related to model performance, including optimizations for audio generation.

Conclusions

The development team is currently engaged in a productive cycle of documentation enhancement, bug fixing, and feature optimization. The collaborative nature of their work suggests a healthy team dynamic focused on improving both the functionality and usability of the Parler-TTS project.