Platforms: Symbian OS, Pocket PC, Palm, Series 60, Series 80, Series 90, UIQ, Sharp Zaurus, Linux, Smartphone, Maemo
Categories: Multimedia & Graphics
Upload date: 7 Jul 11
Developer: Jean-Marc Valin
License: Freeware
Downloads: 1860 File Size: 526 Kb
Speex is an Open Source/Free Software patent-free audio compression format designed for speech.
The Speex Project aims to lower the barrier of entry for voice applications 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.
· Narrowband (8 kHz), wideband (16 kHz), and ultra-wideband (32 kHz) compression in the same bitstream
· Intensity stereo encoding
· Packet loss concealment
· Variable bitrate operation (VBR)
· Voice Activity Detection (VAD)
· Discontinuous Transmission (DTX)
· Fixed-point port
· Acoustic echo canceller
· Noise suppression
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Supported operating systems:
Nokia Internet Tablet OS 2006 Maemo 2.1, Nokia Internet Tablet OS 2007 Maemo 3.0, Nokia Internet Tablet OS 2008 Maemo 4.0, Nokia Internet Tablet OS 2008 Maemo 4.1, Nokia Internet Tablet OS Maemo 5.0, Palm OS 3.x, Palm OS 4.x, Palm OS 5.x, Pocket PC 2002, S60 1st Edition, S60 2nd Edition, S60 3rd Edition, S60 3rd Edition FP1, S60 3rd Edition FP2, S60 5th Edition, S80 6.0, S80 7.0, S90 7.0, Sharp Zaurus OS, UIQ 2.0, UIQ 3.0, UIQ 3.1, Windows Mobile 2003, Windows Mobile 2003 Smartphone, Windows Mobile 5.0, Windows Mobile 5.0 Smartphone, Windows Mobile 6 Classic, Windows Mobile 6 Professional, Windows Mobile 6 Standard, Windows Mobile 6.1 Classic, Windows Mobile 6.1 Professional, Windows Mobile 6.1 Standard, Windows Mobile 6.5 Professional, Windows Mobile 6.5 Standard
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