使用Kaldi进行语音识别时获取特征维度出错求助

Hey there! I’ve helped folks troubleshoot Kaldi for Dummies issues plenty of times, so let’s walk through the most common fixes for the error you’re seeing (even without the exact screenshot, these are the top culprits):

• Check File Paths & Permissions
  A lot of the time, this error pops up because the script can’t find the specified files or lacks read/write access. Confirm these two things first:

  • Are you running the script from the correct working directory? For example, make sure you’ve cded into kaldi/egs/yesno/s5 (or the corresponding example directory for your project) before executing commands.
  • Do all related files (audio files, config files, etc.) have proper permissions? You can run chmod -R 755 ./ in your Kaldi example directory to grant read/write/execute access (only use this on your project directory, not system files!).

• Verify Dependencies Are Installed
  Kaldi relies on several external tools—missing any of them can break the workflow. Here’s how to check:

  • Run sox --version to see if SoX is installed. If not, use sudo apt install sox (Ubuntu/Debian) or brew install sox (Mac) to install it.
  • Check for required Perl modules: Run perl -MXML::Simple -e ''. If you get an error, install the module with sudo cpan XML::Simple.
  • Ensure ffmpeg is installed too—run ffmpeg -version and install it via your package manager if missing.

• Double-Check Kaldi Environment Setup
  Forgetting to load Kaldi’s environment variables is a super common mistake:

  • Run . path.sh (don’t miss the leading dot and space!) in your example directory. This script sets up all the necessary paths Kaldi needs to run.
  • To avoid doing this every time, add source /path/to/your/kaldi/tools/env.sh and source /path/to/your/kaldi/src/env.sh to your ~/.bashrc or ~/.zshrc file. This will auto-load the environment whenever you open a terminal.

• Re-Run Data Preparation Scripts
  If the error happens during data processing, it might be because critical files (like wav.scp, utt2spk, or spk2utt in data/train/data/test directories) are missing. Re-run the data preparation script for your example (e.g., ./prepare_data.sh) to make sure all required files are generated correctly.

• Check for Typos in Commands
  Sometimes it’s just a silly typo—like misspelling run.sh as run.shh or entering the wrong parameter. Double-check the command against the Kaldi for Dummies tutorial and re-execute it carefully.

If none of these fix the issue, share the specific error messages (like "file not found", "permission denied", or the line number where the script fails) and I’ll help you pinpoint the problem even faster!

内容的提问来源于stack exchange，提问作者Geo George