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This Recommendation intends to specify the intermediate reference system (IRS) to be used for defining loudness ratings. The description should be sufficient to enable equipment having the required characteristics to be reproduced in different laboratories and maintained to standardized performance.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.30 : Switching and signalling systems
|
| Number of pages | 6 |
| Year | 1980 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT P.48;ITU-T 48;48;ITU-T P.48 |