Cisco D9054 Installation And Operation Manual page 163

Setting Up the AAC Test Tones,
This option determines whether to send a test pattern to the left and/or right
channel, and the frequency (Hz or kHz) and amplitude of that test pattern. See
the following table for possible options:
Frequency
125 Hz
500 Hz
1 kHz
1 kHz 21 dB
1 kHz 61 dB
2 kHz
10 kHz
Note: Digital Silence is used to create a stream with perfect (or digital) silence.
Note: The Chord test tone is only available for encoders equipped with a
Multiple Channel Audio (MCA) card.
Note: The test tone frequencies apply at a sampling frequency of 48 kHz.
3. Click Apply.
4038938 Rev A
Continued
Test Pattern Values
Amplitude (dBFS)
Off
-1.05
-1.05
-1.05
-21.05
-61.05
-1.05
-1.05
Silence
Chord (Left only)
D9054 HDTV Encoder Intstallation and Operation Guide 5-79