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The ADA102 is a digital audio streaming generator, working stand alone. Encoder receives a stereo audio signal (analog or digital)  turning it into a MP3 or PCM audio streaming, under different protocols (see specifications).
The output coded TCP/IP is at a RJ45 connector,
compatible with Ethernet networks.
 
Through an internal switch activated from the rear panel, the ADA102 becomes Decoder

 
 
That way, at the other end of the link, data stream coming through the Internet or by a microwave link 802.11.x, is converted to audio signal. Audio is delivered analog balanced
or digital stereo AES3, compatible with S/PDif.
 
The ADA102mpx  model includes a third type of output for direct connection to FM stereo transmitter; MPX  stereo multiplex.
The MPX output offers the highest quality stereo sound available today at the international market.
 
 

 

   
High-precision MP3 encoding
ADA102 handle the new encryption algorithm MPEG 1/2 layer 3 to arrive at standards of excellence. No encoder, operating on a PC, allows you to obtain the 7th degree level of quality (indistinguishable from the original for all ears and all programs.) These algorithms run into an internal high-speed DSP. Encoding at 192 Kbps (kilobits per second) with VBR technology (Variable Bit Rate), allows for a faithful and accurate reproduction of a recording session done at 24 bits @ 192 KHz. This is crucial to face the new FM digital HD radio . But it is also true that still using modern analog FM transmitters, the ADA102 links allows for the excellent sound quality that is always appreciated by the audience.
 
Audio Demos
   

We recommend you to use good quality PC speakers, with separate woofer,
or use headphones.

Also, you can download the MP3 file to listen elsewhere.
To do this, click the right mouse button over the link under the text,
and choose the option "Save..."

 

 

A

Listen to a streaming audio created with the ADA102 at the speed of 192 Kbps with grade 7 audio quality and VBR mode. This is the recommended speed for all the links.
The excellent quality you are hearing now is the same you will get in all the transmission rooms of your radio network, connected to Internet. Note that a speed of 192 Kbps is very well handled by the existing networks of broadband Internet. The program material, English and Spanish, includes MP3 encoded music to check that double encryption does not affect the final quality.

 

Click with rigth mouse button to download and save the MP3 file

B

Now listen to the same program above, but encoded at only 128 Kbps VBR
This reduced speed may be used in some critical links with networks of highly saturated Internet. Note that at this same encoding speed, a PC encoder sounds pretty poor. But in contrast, with the ADA102, the radio station gets a very good performance, difficult to distinguish from the previous one.

Click with rigth mouse button to download and save the MP3 file


 

 

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Last modified: 10/01/14

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