Speech Codec » History » Version 1
laforge, 02/19/2016 10:52 PM
explain where the tetra codec is described
1 | 1 | laforge | = TETRA Speech Codec = |
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3 | The TETRA speech codec is part of the family of ACELP codecs. |
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5 | For more information, please check out the following specifications: |
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6 | * ETSI EN 300 395-1 (General description of speech functions) |
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7 | * ETSI EN 300 395-2 (TETRA Codec) |
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8 | * ETSI EN 300 395-3 (Specific operating features) |
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9 | * ETSI EN 300 395-4 (Codec conformance testing) |
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11 | == Implementations == |
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13 | ETSI has published a reference implementation of the codec implemented in C. |
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15 | It is freely available together with ETSI EN 300 395-2. |
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17 | In order to obtain it, follow the following procedure: |
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18 | * go to http://pda.etsi.org/ |
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19 | * enter "en 300 395-2" as search term |
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20 | * execute the search, there should only be one result in the list |
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21 | * click on the 'Download' link (top right part of the result table) |
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22 | * enter your e-mail address in the 'users without an ETSI account' field |
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23 | * click submit |
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24 | * click on the folder-like symbol on the bottom left side of the result table (see below) |
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25 | * you should now have a file called en_30039502v010301p0.zip |