Motorola VT1005 - Vonage VOIP Broadband Gateway Modem Installation Guide download pdf (Page 18)

VOICENT COMMUNICATIONS INC

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If you have a pre-recorded file that is of a different format, you can

always use the Sound Recorder to convert it to the correct

telephony format. Simply open the file in Sound Recorder, select

Save As …, do the same as in the previous paragraph.

III. Record using other sound recording device

Record your message using other recording device to create a .wav file. Once

the file is created, you may need to convert the format to 8.000 KHz, 16

Bit, Mono. You can use Microsoft sound recorder to do the format

conversion, message editing and reduce silent period at the beginning of the

message.

About telephone audio quality

The standard telephone audio format is set to PCM 8 KHz, 16 bit, Mono. The

audio format determines the audio quality. No matter what format/quality

(such as stereo) of your original audio recording is, it has to be converted to

the standard format in order to play over the phone. Thus if you do not have

a professional recording studio, you should use the built-in Voicent telephone

recording for best sound quality. Microphone recording tend to have more

noises.

Although there many ways to create an audio wave file for voice

broadcasting, we recommend using telephone to record your voice message

to get the best sound quality and reduce message editing effort. An added

benefit of Voicent telephone recording is that it can be recorded remotely.

Converting to the standard audio format

If an audio file is not saved in a standard format, it can be converted to the

standard format by the sound recorder program. Please refer to the previous

section under “Recording using Sound Recorder” for details.

If your recording is done through a professional recording studio, you should

ask the file be saved in the telephony format. Converting the audio file

yourself normally introduces hisses and noises in the audio.

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Motorola VT1005 - Vonage VOIP Broadband Gateway Modem Installation Guide Page 18