Qualis Audio Sentine, User Manual, Page: 58 / 108

52 User Manual
Input Format Discrete AES, coded AES, or an SDI format. For SDI, the
video format is also indicated.
Interface Rate Sample rate of each audio channel carried in the inter-
face; for SDI input, includes synchronous or asynchronous indi-
cation.
Active Length Measured word width for each audio channel carried in
the interface.
Channel Status Metadata
Sample Time Time referenced to the start of the recording, providing the
same function as a recording index counter.
Time of Day Time of day, referenced to midnight, during the source
encoding of the signal. It should remain unchanged during sub-
sequent operations.
Source Four-character representation of the audio source.
Destination Four-character representation of the intended destination.
Common Metadata
Format Professional or consumer format interface; audio (PCM) or non-
audio (coded audio) content.
Emphasis Pre-emphasis (if any) applied to the audio signal: None, 50/15
us, ITU-T J17 or Not Indicated.
Sample Rate Audio sample rate.
Width Active word length.
Alignment Level Alignment level used when creating the audio signal.
Not Indicated
−18 dB
As specified in SMPTE RP155
−20 dB As specified in EBU R68
Reserved Metadata is set to an undefined bit pattern
Channel Mode Usage of the two audio streams carried on the interface:
Not Indicated
2 Channel
Streams are independent channels
1 Channel Only one stream is used
Primary/Secondary Streams are a primary and related sec-
ondary channel
Stereo Streams are a stereo pair