ACELP.net Audio Codec is a speech codec for Windows Media Player, developed by VoiceAge. ACELP.net, like prestigious standards such as EFR GSM, IS-136, TETRA, G.723.1, G.729 and G.729 Annex A, is based on ACELP technology. This state-of-the-art technology has now been adapted to meet the needs of IP networks and the PC platform by using an improved, net-adapted packetization method that outperforms conventional approaches.
The ACELP.net family includes:
- A dual-rate codec (8.5/6.5 kbps)
- A fixed-rate codec (5.0 kbps)
- A wideband codec (16 kbps)
The dual-rate version of ACELP.net has the ability to switch bit rates on the fly to effectively handle network inconsistencies. ACELP.net provides toll-quality compression at 8.5 kbps and near-toll quality at lower rates.
The Development of ACELP.net Codec:
The ACELP.net family has already gained broad recognition, with ACELP.net being the preferred low bit rate speech codec in RealAudio® and being included in both Microsoft MediaPlayer and Audible ready equipment. This technology can be rapidly harnessed for applications such as broadcast over Internet (multicasting), multimedia email and multimedia conferencing.
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