TEMA TELECOMUNICAZIONI
IP PoE Multicast Encoder
AD615/SIP
MAS-AD615SIP-REV00EN
Page 25 of 28
10.2. Appendix 2: Use of the AUDACITY software for audio files recording
For recording your audio files, it is possible to use one of the free softwares such as AUDACITY downloadable for
free from the link
http://www.audacityteam.org/
remembering to record and save audio files in .WAV format at
8KHz-16Bit Mono, other audio file formats will not work with the AD600 series devices. Below there are some
informations about basic operations. For more information on the AUDACITY program, please refer to the
manufacturer program guide.
Proceed as follows to record a message from the built-in microphone or connected to the PC.
1. Select the 8,000Hz sampling rate, click Start Recording and start talking.
2. To end the recording, click on Stop recording, listen to the recorded audio, and then repeat recording if not
optimal. To delete the previous recording, simply select the audio track (crawl from start to finish), press the
"Delete" button and repeat the recording. With this procedure it is also possible to delete small parts of silence
or sound inside the track.
3. To save the recording click on "File", "Export Audio", give a name and select in the "WAV (Microsoft) 16-bit
PCM format" drop-down list. The saved file is ready to be used on all devices in the AD600 series or used with
the VLC program (see previous appendix) to be sent as Multicast audio streaming.
The AUDACITY software allows a large number of audio signal processing such as: amplification/reduction of
audio levels, duplication of track parts, elimination of silences, insertion of DTMF tones or tones, noise reduction,
etc. For optimal use please refer to the product manual.
NOTE: TEMA provides you with its own internal recording studio for the creation of professional prompts
with multilingual speakers from texts on customer specifications.
Select project
Frequency (Hz):
8000
Recording
start
Recording
stop
Select
1 (Mono)
channel
Microphone
level
adjustment
Scale in seconds of
recording time
