Technology
Soundcast forms a wireless bridge between an audio source like an MP3 player and an audio sound system with plug-n-play setup. Soundcast's audio products incorporate 2.4 GHz wireless technology. The Soundcast engineering team refined this wireless technology to avoid interference from other appliances like the microwave oven or the cordless phone. The wireless range is reported to be up to 350 feet.
Soundcast employs Spread Spectrum technology. This is widely regarded as the most effective method of achieving effective communication in the 2.4GHz ISM band. There are two principle ways this can be done: Frequency Hopping Spread Spectrum (FHSS)—such as used by Bluetooth, and Direct Sequencing Spread Spectrum (DSSS)—such as used by 802.11b. Soundcast G2 transceivers use FHSS. This allows as many as three Soundcast G2 systems to operate in close proximity to each other. This also allows for wireless audio to be securely used in high density multi-unit dwellings (MUD). The platform also provides the flexibility of being configured as a one transmitter one receiver system or a one transmitter multiple receiver system. The Soundcast G2 module integrates the RF physical layer, baseband, MAC protocol, audio CODEC, and dynamic error correction functions. Hardware forward error correction, adaptive frequency hopping, and dynamic hopping channel diversity are all built into the protocol of the system. The system also supports bi-directional communication for acknowledging and retransmission should packet loss occur.
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