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Speex: a free codec for free speech
Speex is an Open Source/Free Softwarepatent-free audio compression format designed for speech. by providing a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other codecs. Finally, Speex is part of the
Speex: A free codec for free speech
https://www.speex.org/software/
Sweep is a full-featured digital audio editor for GNU/Linux, the BSDs, and compatible systems Windows builds of Speex utilities Windows builds of speexenc, speexdec, and speexdrop jabbin Jabbin is an instant-message and VoIP (PC-to-PC) application utilizing Jabber.
Speex Audio Codec, Version 1.2
https://www.loc.gov/preservation/digital/formats/fdd/fdd000259.shtml
Speex Audio Codec, Version 1.2. Description. Speech codec designed for packet networks and voice over IP (VoIP) applications but not for mobile phones. File-based compression is also supported. The flexible codec is based on Code Excited Linear Prediction (CELP) and supports a wide range of speech quality and bit-rates.
Speex Codec | Speex Voice Codec - VOCAL
https://www.vocal.com/speech-coders/speex/
Ogg Speex Audio Format - loc.gov
https://www.loc.gov/preservation/digital/formats/fdd/fdd000260.shtml
Ogg Speex Audio Format: Description: File format and bitstream encoding for for spoken content, targeted at a wide range of devices other than mobile phones. Production phase: Generally used for final-state, end-user delivery. Relationship to other formats; Subtype of: Ogg, Ogg File Format: Contains: SPX_1_2, Speex Audio Codec, Version 1.2
Speex Codec – Speech Compression | Adaptive Digital
https://www.adaptivedigital.com/speex/
Speex is an audio compression format specifically tuned for the reproduction of human speech. It is a flexible speech compression algorithm that can be used in a wide variety of voice applications including Voice Over IP (VoIP). Since Speex was designed for VoIP instead of cell phone use, the codec must be robust to lost packets.
Speex Converter: Convert Speex to MP3, FLAC, WAV, WMA, AIFF
https://www.cicever.com/audios/speex-converter.html
Step 1 Import Speex Audio to Speex Converter Click “Add File” button to load Speex audios. Step 2 Choose the Output Format Click “Profile” drop down button and choose the format you want. Step 3 Convert Speex to MP3, FLAC, M4A, WAV etc. Click “Convert” button to convert Speex files on Windows and Mac. Edit Speex Files Before Conversion
Speex: A free codec for free speech: Downloads
https://www.speex.org/downloads/
Speex DSP Source Code 1.2rc1 This release adds support for acoustic echo cancellation with multiple microphones and multiple loudspeakers. It also adds an API to decorrelate loudspeaker signals to improve multi-channel performance. In the bugfix department, there are fixes for a few bugs in the echo canceller, jitter
Codec description - speex.org
https://www.speex.org/docs/manual/speex-manual/node4.html
Speex is mainly designed for three different sampling rates: 8 kHz, 16 kHz, and 32 kHz. These are respectively refered to as narrowband , wideband and ultra-wideband. Bit-rate When encoding a speech signal, the bit-rate is defined as the number of …
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