AUDIOLINE POWER PMR 40 Manual de usuario descargar pdf (Pagina 32)

A.W. Communication Systems Limited

TRip2 Manual, Version 1.5 Page 32 of 34 © AWCSL 2010

6.5. Command-Line Interface

There have been some minor changes to the command-line interface (see section 5).

Additionally, the TRip2 offers command history and line editing features not found in the original

TRip (see section 5.5) and the ability to reset the unit to its factory settings (see section 5.4).

6.6. Default Configuration

The default configuration of a new TRip2 unit is the same as that of a new original TRip unit, with the

exception of the unit’s IP address and its main and backup IP addresses.

 The IP address of a new TRip2 unit is 192.168.1.74

 The unit main and backup IP address is 192.168.1.75

6.7. Patching

Patching support is a new addition to the TRip2 – original TRip units have no support for this.

7. Audio Codec Bandwidth

Table 25 shows the audio bandwidth required for different audio codecs at various sampling periods.

Please note the following:

 All rates are in kilobits per second (1 kilobit = 1,000 bits).

 Audio is transmitted at all times, even when transmitting only silence.

 These rates include all data needed for audio transfer, including the UDP, IP and Ethernet

headers.

 Quoted rates to not include any bandwidth needed for logic and/or RS-232 data transfer.

The bandwidth needed for these varies depending on their usage, although they are

typically only a small fraction of any audio bandwidth used.

Codec

Data Rate

(kbits/s)

Sample Period

(ms)

Total Bandwidth

(kbits/s)

G711

107.2

85.6

G726

83.2

61.6

75.2

53.6

67.2

45.6

59.2

37.6

Speex

29.6

Table 25: Bandwidth Needed for Different Audio Codecs

1 2 ... 27 28 29 30 31 32 33 34

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