Cisco D9040 User And Service Manual page 107

Audio Processing,
Dolby Digital Encoding
Encoding
Audio Coding Modes
Audio data rate
Sample frequency
Dolby Digital Audio Performance (at 640 kbit/s)
SINAD at 1,020 Hz
Idle channel noise
AAC Encoding
Encoding
Audio Coding Modes
Audio data rate
Sample frequency
AAC Audio Performance (at 640 kbit/s)
SINAD at 1,020 Hz
Idle channel noise
4020024 Rev C
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Technical Specifications
Specification
According to ATSC Standard: Digital
Audio Compression (AC-3) Rev. A, August
2001.
Dual Mono 1+1, Mono 1/0, Stereo 2/0
56, 64, 80, 96, 112, 128, 160, 192, 224, 256,
320, 384, 448, 512, 576 and 640 kbit/s
32, 44.1 and 48 kHz
Specification
> 80 dB
< -86 dB A-weighted
Specification
According to ISO/IEC 13818-7 "Advanced
Audio Coding".
Dual Mono 1+1, Single Mono 1/0, Stereo
2/0, Joint Stereo 2/0, Mono 1/0 LR
14 to 320 kbit/s
32, 44.1 and 48 kHz
Specification
> 80 dB, 3 dB below clipping level
< -86 dB, A-weighted
A-15