Quantum Data 780C, User Manual

Page: 116 / 240

780C Multi-Interface Interoperability Tester
– User Guide
Page 115
September 29, 2014 Revision A1
Table 6-2 below describes each field in the Audio Analyzer on-screen report. The audio infoframe information is
shown on the left of the resulting screen and the channel status data from the audio sample packets received
are displayed on the right.
Table 6-2: Audio Analyzer
Audio IEC Header decoded data (left side) Description
Audio Format Indicates the audio format type. Typically one of:
 LPCM
 Dolby
 DTS
Sampling rate The sampling frequency. One of:

Refer to Stream Header

32kHz
 44.1kHz
 48kHz

88.2kHz

96kHz
 176.4kHz
 192kHz
Target bitrate
Audio Infoframe Data (middle) Description
Channel count Indicates the number of active channels. One of:
 Refer to Stream Header

2ch

3ch
 4ch
 5ch

6ch

7ch
 8ch
Coding type Indicates the audio format. One of:
 Refer to stream header
 LPCM (IEC 60958)

AC-3

MPEG1
 MPEG2
 AAC
 DTS

ATRAC

One Bit Audio
 Dolby Digital Plus
 DTS-HD

MAT

DST

WMA Pro
Sample Size The sample size or bit depth. One of:
 Refer to Stream Header
 16 bit

20 bit

24 bit