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kaldi | official location of the Kaldi project | Speech library

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kandi X-RAY | kaldi Summary

kaldi is a Shell library typically used in Artificial Intelligence, Speech, Pytorch applications. kaldi has no bugs, it has no vulnerabilities and it has medium support. However kaldi has a Non-SPDX License. You can download it from GitHub.
[![Build Status](https://travis-ci.com/kaldi-asr/kaldi.svg?branch=master)](https://travis-ci.com/kaldi-asr/kaldi) [![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready—​to—​Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/kaldi-asr/kaldi) Kaldi Speech Recognition Toolkit.

kandi-support Support

  • kaldi has a medium active ecosystem.
  • It has 10821 star(s) with 4697 fork(s). There are 725 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 115 open issues and 1362 have been closed. On average issues are closed in 125 days. There are 63 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of kaldi is current.

quality kandi Quality

  • kaldi has no bugs reported.


  • kaldi has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

license License

  • kaldi has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.


  • kaldi releases are not available. You will need to build from source code and install.
  • Installation instructions are not available. Examples and code snippets are available.
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kaldi Key Features

kaldi-asr/kaldi is the official location of the Kaldi project.

kaldi Examples and Code Snippets

  • default
  • Is this sed command valid?
  • weird awk outputs in reading/writing file
  • Linker error: undefined reference to `Reference_Genome::seq[abi:cxx11]'
  • Unable to stream live audio from mic to remote port in PyAudio
  • Converting WAV file bytes to speech recognition-compatible format
  • Automatic speech recognition framework for python
  • Extending Kaldi Aspire: bad variable error while Recompiling HCLG.fst using new lexicon and grammar files
  • How to convert audio to text using Librosa or Kaldi?
  • Read multiple .gz file and return it in one tensor
  • Setting Up Prometheus with Python in Kubernetes Cluster


For HOT news about Kaldi see [the project site](http://kaldi-asr.org/).

[Documentation of Kaldi](http://kaldi-asr.org/doc/):
- Info about the project, description of techniques, tutorial for C++ coding.
- Doxygen reference of the C++ code.

[Kaldi forums and mailing lists](http://kaldi-asr.org/forums.html):

We have two different lists
- User list kaldi-help
- Developer list kaldi-developers:

To sign up to any of those mailing lists, go to

Development pattern for contributors

1. [Create a personal fork](https://help.github.com/articles/fork-a-repo/)
   of the [main Kaldi repository](https://github.com/kaldi-asr/kaldi) in GitHub.
2. Make your changes in a named branch different from `master`, e.g. you create
   a branch `my-awesome-feature`.
3. [Generate a pull request](https://help.github.com/articles/creating-a-pull-request/)
   through the Web interface of GitHub.
4. As a general rule, please follow [Google C++ Style Guide](https://google.github.io/styleguide/cppguide.html).
   There are a [few exceptions in Kaldi](http://kaldi-asr.org/doc/style.html).
   You can use the [Google's cpplint.py](https://raw.githubusercontent.com/google/styleguide/gh-pages/cpplint/cpplint.py)
   to verify that your code is free of basic mistakes.

Platform specific notes

### PowerPC 64bits little-endian (ppc64le)

- Kaldi is expected to work out of the box in RHEL >= 7 and Ubuntu >= 16.04 with
- CUDA drivers for ppc64le can be found at [https://developer.nvidia.com/cuda-downloads](https://developer.nvidia.com/cuda-downloads).
- An [IBM Redbook](https://www.redbooks.ibm.com/abstracts/redp5169.html) is
  available as a guide to install and configure CUDA.

### Android

- Kaldi supports cross compiling for Android using Android NDK, clang++ and
- See [this blog post](http://jcsilva.github.io/2017/03/18/compile-kaldi-android/)
  for details.

### Web Assembly

- Kaldi supports cross compiling for Web Assembly for in-browser execution
  using [emscripten](https://emscripten.org/) and CLAPACK.
- See [this post](https://gitlab.inria.fr/kaldi.web/kaldi-wasm/-/wikis/build_details.md)
  for a step-by-step description of the build process.

Community Discussions

Trending Discussions on kaldi
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  • Snakemake: Use checkpoint and function to aggregate unknown number of files using wildcards
  • Flask consummer doesn't execute callback when consomming from rabbitMQ
  • With asyncio in Python 3 code, how can I (re)start/stop non-blocking websocket IO recurrently?
  • weird awk outputs in reading/writing file
  • Linker error: undefined reference to `Reference_Genome::seq[abi:cxx11]'
  • Unable to stream live audio from mic to remote port in PyAudio
  • Converting WAV file bytes to speech recognition-compatible format
  • Python - How to check whether a TCP server is already serving a client
  • Automatic speech recognition framework for python
Trending Discussions on kaldi


Is this sed command valid?

Asked 2022-Jan-15 at 08:48

I have 2 lines of sed that I have trouble understanding

I understand that the syntax of sed is :


but in this command below there is no input file I am just curious what this is doing, any help is very much appreciated


$(echo $d | sed 's/.*\///g')#
cat /kaldi/README | sed "s/akiplaner/${n}/g" >  extracted/$nf/etc/README #

*note : below is the whole code

for d in /dir1/dataset/audios/*; do
    echo $d
    n=$(echo $d | sed 's/.*\///g') #
    echo $n $a $nf
    mkdir -p extracted/$nf/wav
    mkdir -p extracted/$nf/etc
    rm -f extracted/$nf/etc/prompts-original
    rm -f extracted/$nf/etc/PROMPTS
    cat /kaldi/README | sed "s/akiplaner/${n}/g" >extracted/$nf/etc/README #

    for f in $d/*.wav; do
        n2=$(echo $f | sed 's/.*\///g')
        n3=$(echo $n2 | sed 's/\.wav//g') # removing .wav from $n2 string
        echo $n2
        echo $n3
        cp $f extracted/$nf/wav/$n2
        #sox --vol 0.01 $f -t wav extracted/$nf/wav/$n2;
        normalize-audio -a 0.3 extracted/$nf/wav/$n2

        cp $d/$n3.txt temp.txt

        echo "$n3 $(cat temp.txt)" >>extracted/$nf/etc/prompts-original
        echo "${nf}/mfc/${n3} $(cat temp.txt)" >>extracted/$nf/etc/PROMPTS
    a=$(($a + 1))


Answered 2022-Jan-15 at 08:48

there is no input file I am just curious what this is doing

The answer is at your fingertips.

$ LC_ALL=C sed --help
... if no input files are
specified, then the standard input is read.

Note: | shell operator connects one command standard output to another command's standard input. There are surely endless resources on the internet for basic introduction to shell streams and input output operations - it might be a good occasion to research some of them, like https://mywiki.wooledge.org/BashGuide/InputAndOutput .



$ LC_ALL=C sed --help
Usage: sed [OPTION]... {script-only-if-no-other-script} [input-file]...

The stuff in [...] is optional. ... represents stuff it can be repeated.

There are man problems with the script - it will break on filenames with spaces or newlines in the name or on filenames with * in the name... Remember to check your scripts with shellcheck - it will catch such mistakes.

's/.*///g' am I correct in saying this pattern is removing any file or folder whose name starts with

From a line of text it removes everything .* before a / slash. You can learn regex with fun with https://regexcrossword.com/ and sed here https://www.grymoire.com/Unix/Sed.html .

It's an odd way of writing basename "$n" and the next line is just basename "$n" .wav.

Source https://stackoverflow.com/questions/70719841

Community Discussions, Code Snippets contain sources that include Stack Exchange Network


No vulnerabilities reported

Install kaldi

You can download it from GitHub.


For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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