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© Tieline Research Pty. Ltd. 2019

Bridge-IT Manual v4.0

outlined in

Configuring Mono or Stereo Peer-to-Peer Programs

. File backup is automatic and

occurs:

1. According to the silence threshold parameters configured for audio file backup, or
2. Immediately if a connection to another codec is lost.

After SD/SDHC file backup is activated the audio file plays continuously in loop mode until a
backup connection is dialed and connects, or the primary connection is restored. The codec

Home

screen indicates failover to the backup SD/SDHC card has occurred by displaying

(F)

in the

Cxns

display. Playback continues during reconnection attempts and ceases when a connection is

restored. See

SDHC Card File Playback

for more details.

Important Notes:

File playback will occur automatically if the silence threshold parameters are breached;
if the codec is not connected for any reason file playback will commence. To stop file
playback open the

Connections panel

in the web-GUI, click to select the file playback

connection, then click

Disconnect

The card can be inserted or removed at any time as long as the codec is not already
playing audio in failover mode. Avoid removing the card while audio is playing or it will
result in poor audio quality. If it is removed accidentally you must reboot the codec to
ensure backup audio will continue to operate reliably.

13.16

SDHC Card File Playback

Playing Audio from the SDHC Card

SDHC card files can be played back using the codec front panel controls.

1. Press the

HOME

button

to return to the

Home

screen.

2. Select

Connect,

then select

File

and press the

button.

3. Use the navigation buttons to select a file.
4. Press the

button or the

CONNECT

button to play the selected file.

5. Press the red

DISCONNECT

button on the numeric

KEYPAD

to stop file playback.

Important Notes for SDHC Card File Playback:

A single partition FAT32 formatted SDHC Card is required (SD cards may be less
reliable and are not recommended).

The codec supports SDHC cards which have a physical capacity of up to 32GB.

Create MP2 or MP3 files using a 32kHz, 44.1kHz or 48kHz sample rate.

Ensure recordings used are not variable bit rate files.

SDHC file audio is not sent to codec encoders and cannot be transmitted via an audio
stream to another codec.

File playback audio is sent directly to the codec outputs and therefore IGC is not
available. When you create your MP2 or MP3 files ensure the audio levels match the
audio reference level of your codec and that peaks average at the correct levels.

If you create a single file name ensure you add the file extension, e.g. "test.mp3", or the
file will not play back.

If you create a directory name, all the files within the directory will be played back. We
recommend you save all audio files as a playlist and link to this if you want them to play
out sequentially. Please note that "M3U" is the playlist file format supported by the
codec.