Speex alternatives and similar libraries

Based on the "Audio" category.

Kaldi Speech Recognition Toolkit

9.6 7.4 L1 Speex VS Kaldi Speech Recognition Toolkit

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

6.4 3.8 L1 Speex VS Maximilian

C++ Audio and Music DSP Library

The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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minimp3

6.1 0.0 Speex VS minimp3

Minimalistic MP3 decoder single header library
Tonic

4.1 0.0 L1 Speex VS Tonic

Easy and efficient audio synthesis in C++
r8brain-free-src

4.1 4.9 Speex VS r8brain-free-src

High-quality pro audio resampler / sample rate converter C++ library. Very fast, for both audio resampling and time-series interpolation.
SELA

3.1 0.0 L2 Speex VS SELA

SimplE Lossless Audio
KFR

1.6 5.7 L5 Speex VS KFR

A benchmark for comparison of FFT algorithms performance
OpenAL

1.5 0.0 L3 Speex VS OpenAL

Open Audio Library
algore

1.1 0.0 L2 Speex VS algore

Tasty C++ class wrappers and mixer implementation for OpenAL built on Chris Robinson's ALURE library. Comes with some crunky LinkedList and ListItem classes which you are welcome to use or change. Use with ALURE, OpenAL, libsndfile / libFLAC etc. Provides a simple and effective programmer interface to easily deal with the ALURE libraries and implements ALURE on Windows and Linux. Effectively uses both the one-off and streaming capabilities of OpenAL/ALURE and via libsndfile libflac et al supports a wide variety of sound file formats.
Vorbis

- Speex VS Vorbis

Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format. [BSD]
Opus

- Speex VS Opus

A totally open, royalty-free, highly versatile audio codec. [BSD]
FMOD

- Speex VS FMOD

An easy to use crossplatform audio engine and audio content creation tool for games. [Free for non-commercial/Commercial]