Truespeech
Encyclopedia
Truespeech is a proprietary audio codec
produced by the DSP Group
. It is designed for encoding voice data at low bitrates, and to be embedded into DSP
chips.
True speech has been integrated into Windows Media Player
, and is the format used by the voice chat
features of Yahoo Messenger.
A Truespeech decoder was implemented in the 0.5 release of FFmpeg
.
Codec
A codec is a device or computer program capable of encoding or decoding a digital data stream or signal. The word codec is a portmanteau of "compressor-decompressor" or, more commonly, "coder-decoder"...
produced by the DSP Group
DSP Group
DSP Group, Inc. is a provider of chipsets for VoIP, multimedia, and digital cordless applications. Founded in 1987 with headquarters in San Jose, California, DSP Group employs over 400 people at three US sites and offices in Germany, Scotland, Israel, India, Hong Kong and Japan.-History:DSP Group...
. It is designed for encoding voice data at low bitrates, and to be embedded into DSP
Digital signal processing
Digital signal processing is concerned with the representation of discrete time signals by a sequence of numbers or symbols and the processing of these signals. Digital signal processing and analog signal processing are subfields of signal processing...
chips.
True speech has been integrated into Windows Media Player
Windows Media Player
Windows Media Player is a media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as on Pocket PC and Windows Mobile-based devices...
, and is the format used by the voice chat
Voice chat
Voice chat is a modern form of communication used on the Internet. The means of communicating with voice chat is through any of the messengers, mainly Skype, Yahoo! Messenger, AOL Instant Messenger, inSpeak Communicator or Windows Live Messenger...
features of Yahoo Messenger.
A Truespeech decoder was implemented in the 0.5 release of FFmpeg
FFmpeg
FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line...
.