# Install speech-tools with Homebrew, apt, dnf, Nix C++ speech software library from the University of Edinburgh. Version 2.5.0 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:speech-tools ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install speech-tools ``` Evidence: local Homebrew formula metadata ### Linux - Debian apt (92%): ```sh sudo apt install libestools-dev ``` Evidence: Debian stable package indexes: libestools-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install speech-tools ``` Evidence: Fedora Rawhide package metadata: speech-tools from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#speech-tools ``` Evidence: nixpkgs package indexes: pkgs/by-name/sp/speech-tools/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 ## Package facts - **Package key:** brew:speech-tools - **Package manager:** Homebrew - **Package manager page:** - **Version:** 2.5.0 - **Source summary:** C++ speech software library from the University of Edinburgh - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** MIT-Festival - **Source archive:** - **Generated:** 2026-07-08T18:08:21+00:00 ## Executables - align (cli) - bcat (cli) - ch_lab (cli) - ch_track (cli) - ch_utt (cli) - ch_wave (cli) - design_filter (cli) - dp (cli) - na_play (cli) - na_record (cli) - ngram_build (cli) - ngram_test (cli) - ols_test (cli) - pda (cli) - pitchmark (cli) - scfg_make (cli) - scfg_parse (cli) - scfg_test (cli) - scfg_train (cli) - sig2fv (cli) - sigfilter (cli) - siod (cli) - spectgen (cli) - tilt_analysis (cli) - tilt_synthesis (cli) - viterbi (cli) - wagon (cli) - wagon_test (cli) - wfst_build (cli) - wfst_run (cli) - wfst_train (cli) - xml_parser (cli) - align (alias) - bcat (alias) - ch_lab (alias) - ch_track (alias) - ch_utt (alias) - ch_wave (alias) - design_filter (alias) - dp (alias) - na_play (alias) - na_record (alias) - ngram_build (alias) - ngram_test (alias) - ols_test (alias) - pda (alias) - pitchmark (alias) - scfg_make (alias) - scfg_parse (alias) - scfg_test (alias) - scfg_train (alias) - sig2fv (alias) - sigfilter (alias) - siod (alias) - spectgen (alias) - tilt_analysis (alias) - tilt_synthesis (alias) - viterbi (alias) - wagon (alias) - wagon_test (alias) - wfst_build (alias) - wfst_run (alias) - wfst_train (alias) - xml_parser (alias) ## Dependencies - libomp ## Uses from macOS - ncurses ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura ## Freshness - Page generated: 2026-07-08 - Package-manager version: 2.5.0 - Local data: ok - Upstream repository: http://festvox.org/docs/speech_tools-2.4.0/ - info: No package-manager update timestamp was available. - info: Release/tag comparison is only available for GitHub repositories. ## Project history and usage Edinburgh Speech Tools is a long-running C++ speech-processing library and command collection from the University of Edinburgh Centre for Speech Technology Research. In package-manager culture it matters less as an end-user app than as the Unix-style substrate behind Festival-era speech synthesis packages and a grab bag of speech utilities such as waveform, label, n-gram, CART, and signal-processing tools. ### Project history The official CSTR page describes the library as C++ classes, functions, and programs for manipulating speech-processing objects, including waveforms, parameter files, labels, n-grams, intonation tools, CART training with wagon, and early recognition-oriented classes. The upstream README identifies version 2.5.1 as a July 2020 stable release, credits the University of Edinburgh and principal authors including Alan W Black, Paul Taylor, Richard Caley, Simon King, Rob Clark, and Korin Richmond, and carries copyright dates beginning in 1994. ### Adoption history The project was designed to support other speech systems rather than stand alone. Festival's own manual says Edinburgh Speech Tools lies at the core of Festival, while the CSTR project page says the tools provide underlying classes for the Festival Speech Synthesis System. That connection explains why Unix package sets tend to carry it as both a library and a cluster of small command-line programs. ### How it is used Packagers and CLI users encounter Edinburgh Speech Tools through commands such as ch_wave, ch_lab, ch_track, wagon, ngram_build, and sig2fv, or through development packages used to build Festival and related speech software. Its packaging appeal is that it exposes old-school, scriptable speech primitives as normal Unix executables and a linkable static library. ### Why package nerds care For package nerds, speech-tools is a classic dependency-history package: old academic C++, many installed binaries, a custom permissive license, and practical importance because higher-level TTS software depends on it. It is the kind of formula that keeps historical speech stacks buildable long after the surrounding research ecosystem has moved on. ### Timeline - 1994: Copyright period for Edinburgh Speech Tools begins, according to the upstream README. - 2000s: CSTR documents the library as the underlying class and utility layer for Festival. - 2020: Upstream README identifies Edinburgh Speech Tools 2.5.1 as a July 2020 stable release. ### Related projects - Festival Speech Synthesis System uses Edinburgh Speech Tools as a core library. - Festvox hosts current generated documentation for newer speech_tools releases. ### Sources - - - ## Security Notes broad file, network, media, or database tool signal. - **Geiger risk:** blue / medium - broad file, network, media, or database tool signal ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** speech-tools - **Version Scheme:** 0 - **Revision:** 2 - **Head Version:** HEAD - **Conflicts With:** align - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Debian apt - libestools-dev - 1:2.5.0-13+b4: normalized package name match | Debian stable package indexes: libestools-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Edinburgh Speech Tools Library - developer's libraries | http://festvox.org/packed/festival/ - Debian apt - libestools2.5 - 1:2.5.0-13+b4: normalized package name match | Debian stable package indexes: libestools2.5 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Edinburgh Speech Tools Library | http://festvox.org/packed/festival/ - Debian apt - speech-tools - 1:2.5.0-13+b4: normalized package name match | Debian stable package indexes: speech-tools from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Edinburgh Speech Tools - user binaries | http://festvox.org/packed/festival/ - Debian apt - speech-tools-doc - 1:2.5.0-13: normalized package name match | Debian stable package indexes: speech-tools-doc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Documentation for the Edinburgh Speech Tools | http://festvox.org/packed/festival/ - Nix - speech-tools: normalized package name match | nixpkgs package indexes: pkgs/by-name/sp/speech-tools/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - libestools-dev - 1:2.5.0-13build2: normalized package name match | Ubuntu 24.04 LTS package indexes: libestools-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Edinburgh Speech Tools Library - developer's libraries | http://festvox.org/packed/festival/ - Ubuntu apt - libestools2.5 - 1:2.5.0-13build2: normalized package name match | Ubuntu 24.04 LTS package indexes: libestools2.5 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Edinburgh Speech Tools Library | http://festvox.org/packed/festival/ - Ubuntu apt - speech-tools - 1:2.5.0-13build2: normalized package name match | Ubuntu 24.04 LTS package indexes: speech-tools from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Edinburgh Speech Tools - user binaries | http://festvox.org/packed/festival/ - Ubuntu apt - speech-tools-doc - 1:2.5.0-13build2: normalized package name match | Ubuntu 24.04 LTS package indexes: speech-tools-doc from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Documentation for the Edinburgh Speech Tools | http://festvox.org/packed/festival/ - dnf - speech-tools - 2.5-28.fc44: normalized package name match | Fedora Rawhide package metadata: speech-tools from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Edinburgh speech tools library | http://festvox.org - dnf - speech-tools-libs - 2.5-28.fc44: normalized package name match | Fedora Rawhide package metadata: speech-tools-libs from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Edinburgh speech tools libraries | http://festvox.org - dnf - speech-tools-libs-devel - 2.5-28.fc44: normalized package name match | Fedora Rawhide package metadata: speech-tools-libs-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Development files for the speech-tools libraries | http://festvox.org - dnf - speech-tools-libs-static - 2.5-28.fc44: normalized package name match | Fedora Rawhide package metadata: speech-tools-libs-static from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Static libraries of speech-tools, so far needed by at least festival | http://festvox.org - Nix - align: installed executable or alias match | nixpkgs package indexes: pkgs/by-name/al/align/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 ## Related links - [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Media and graphics packages](https://www.automicvault.com/pkg/media-graphics-tools/) - Matched media, image, audio, video, or graphics metadata. - [speech](https://www.automicvault.com/pkg/brew/speech/) - Package name indicates the same formula family. - [taglib](https://www.automicvault.com/pkg/brew/taglib/) - Shares av.db curated category or tags: audio, c-plus-plus, cli, library, media. - [adplug](https://www.automicvault.com/pkg/brew/adplug/) - Shares av.db curated category or tags: audio, cli, library, media. - [alsa-lib](https://www.automicvault.com/pkg/brew/alsa-lib/) - Shares av.db curated category or tags: audio, cli, library, media. - [chromaprint](https://www.automicvault.com/pkg/brew/chromaprint/) - Shares av.db curated category or tags: audio, cli, library, media. - [fluid-synth](https://www.automicvault.com/pkg/brew/fluid-synth/) - Shares av.db curated category or tags: audio, cli, library, media. - [freealut](https://www.automicvault.com/pkg/brew/freealut/) - Shares av.db curated category or tags: audio, cli, library, media. - [id3lib](https://www.automicvault.com/pkg/brew/id3lib/) - Shares av.db curated category or tags: audio, cli, library, media. - [libmikmod](https://www.automicvault.com/pkg/brew/libmikmod/) - Shares av.db curated category or tags: audio, cli, library, media. - [stk](https://www.automicvault.com/pkg/brew/stk/) - Both packages work with overlapping file formats or content types. Shared terms: audio, c-plus-plus, cli, media, plus. - [vamp-plugin-sdk](https://www.automicvault.com/pkg/brew/vamp-plugin-sdk/) - Both packages work with overlapping file formats or content types. Shared terms: audio, c-plus-plus, cli, media, plus. ## Combined YAML source View the package source record on GitHub. [combined/speech-tools.yml](https://github.com/automic-vault/db/blob/main/combined/speech-tools.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph