CD-ROM Audio Control Parameters

2.9.6CD-ROM Audio Control ParametersImmed (Immediate)

An Immediate, Immed ,bit of one indicates the target will send completion status as soon as the playback operation has been started. An Immed bit of zero indicates that the drive will not send completion status until the audio playback operation is completed or an error occurs.

SOTC (Stop On Track Crossing)

A stop on track crossing, SOTC, bit of zero indicates the drive will terminate the audio playback operation when the transfer length is satisfied. A stop on track crossing bit of one indicates that the drive will terminate audio playback when the beginning of a following track is encountered.

Out Port Channel Select

Refer to Table 2-9-6A on the opposite page for out port channel select options.

Output Port Volume

The channel volume control indicates the relative volume level for this audio port. A value of zero indicates the output is muted, a value of FFh indicates the maximum level. The output volume is defined by averaging port 0 and port 1.

The CD-ROM audio control parameter page sets the playback modes and output controls of subsequent Play Audio commands and any current audio playback operation.

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