Service manual

Layer II audio decoder specifications
A-17
A
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Audio out
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Layer II audio decoder specifications
General Number of channels Two including optional audio chan-
nel.
Decoding format MPEG-1 layer II or MPEG-2 when
limited to MPEG-1 layer II func-
tionality
Program types Stereo, joint stereo, mono and dual
mono
Audio data bit rate All MPEG-1 specified rates
Sample frequencies 32, 44.1, and 48 kHz
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Linear audio decoder specifications
General Transmission format Acc. to SMPTE 302M
Number of channels Two including optional audio chan-
nel.
Audio resolution Transmission of 20 bit samples
Sample frequency 48 kHz locked to the STC
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Audio output
Analog audio output Number of outputs Two including optional audio
channel (either two stereo pairs or
up to four mono channels).
Single channel mono signals are
output on two connectors.
Connector type 3pin XLR male.
Output impedance < 20 Ω or 600 Ω balanced, select-
able.
Maximum output level
<20Ω (Load>1MΩ) -6 to +24 dBu, in 1 dB increments,
selectable
600 Ω (Load 600 Ω) -6 to +21 dBm, in 1 dB increments,
selectable
Return loss > 30 dB, 20 Hz to 20 kHz, 600 Ω
Output symmetry > 46 dB, 20 Hz to 20 kHz
Output short circuit time Unlimited
DC output offset < 50 mV