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The encoder will distribute the source signal to the Ambisonic components such that, when decoded, the source will appear at the desired location. More sophisticated panners will additionally provide a radius parameter that will take care of distance-dependent attenuation and bass boost due to near-field effect.
A popular and unfortunate misconception is that Ambisonic recordings can only be made with the SFM, and as a result there is a widespread, and erroneous, belief that Ambisonics can only be used to capture a live acoustic event (something that accounts for a tiny proportion of modern commercial recordings, the vast majority of which are built up in the studio and mixed from multitrack).
Ambisonic Surround Sound FAQ (Sections 17 and 18 for hardware decoders) Ambisonia website Bruce Wiggins's WAD decoders for 4.0, 6.0 and 8.0 are nearly Classic Ambisonic Decoders and easy to use plugins for Windows Media Player. B2X Plug-Ins B2D, B2G and B2Stereo software decoders, in VST and Audio Unit formats, for Mac OS X
Ambisonic UHJ format is a development of the Ambisonic surround sound system designed to be compatible with mono and stereo media. It is a hierarchy of systems in which the recorded soundfield will be reproduced with a degree of accuracy that varies according to the available channels.
It is tempting to consider 5.1 systems for Ambisonic playback due to their wide availability, but the ITU-R BS775 layout is quite hostile to Ambisonics due to its extreme irregularity. The three front speakers are so close together (-30°, 0°, +30°) that they will exhibit significant crosstalk in first-order, which causes irritating phasing ...
Matrix decoding is an audio technology where a small number of discrete audio channels (e.g., 2) are decoded into a larger number of channels on play back (e.g., 5). The channels are generally, but not always, arranged for transmission or recording by an encoder, and decoded for playback by a decoder.
The free and open source C library libsndfile has included .amb support since 2007. Dobson's format has been instrumental in making native Ambisonic content easily accessible to enthusiasts, and to pave the way for research and deployment of Higher-order Ambisonics.
Free and open-source software portal; libavcodec is a free and open-source [4] library of codecs for encoding and decoding video and audio data. [5]libavcodec is an integral part of many open-source multimedia applications and frameworks.