Audio reproduction methods and apparatus

Claim 1

Apparatus for reproducing audio information comprising: a medium including a plurality of audio line distributions each respectively indicative of audio information, said plurality of line distributions being arranged in a field to be substantially parallel to one another; means for developing a scanning raster for sweeping across said medium and including scan lines for traversing said plurality of line distributions of said field and deriving samples of audio information at the intersections of said scan lines and said plurality of line distributions to provide a composite output indicative of the audio information sampled from each of said plurality of line distributions intersected, said composite output including a sample from each of said plurality of line distributions scanned; and means for selecting from said composite output the audio information indicative of a preselected line distribution from said plurality of line distributions for audio reproduction, said means for selecting including, sampling means for receiving said conposite output, input means for counting said samples in said composite output and providing an input count output in response thereto, reference means operative to be preset to a reference count output in response to an input thereto to select said predetermined of said plurality of line distributions, and means responsive to the relationship of said input count output and said reference count output to provide a sampling output to said sampling means to permit said sampling means to translate therethrough the samples corresponding to said predetermined line distribution.