Patent ID: 8908567

Claim:
A method of wirelessly delivering a compressed digital audio and/or visual file to a cell phone, the method comprising: providing the compressed digital audio and/or visual file for access over the Internet, said compressed digital audio and/or visual file is provided with a website; receiving a request from the cell phone; optimizing the digital audio and/or visual file according to an optimization scheme; converting the digital audio and/or visual file to mono by summing of a left channel and a right channel if the digital audio and/or visual file is stereo and the cell phone is configured only for mono playback; normalizing an amplitude of the digital audio and/or visual file; converting the digital audio and/or visual file according to a selected sampling frequency; performing a pre-emphasis filtering on the digital audio and/or visual file; re-normalizing the digital audio and/or visual file; and transmitting the compressed digital audio and/or visual file to the cell phone using orthogonal frequency-division multiplex (OFDM) modulation over a cellular data connection based on the received request.