Speakers use this changed LP format (8)

I believe the answer is:

platform

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'speakers use this' is the definition.
The definition suggests a singular noun which matches the answer.

'changed lp format' is the wordplay.
'changed' indicates anagramming the letters.
'lp'+'format'='lpformat'
'lpformat' is an anagram of 'PLATFORM'.

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(Other definitions for platform that I've seen before include "Raised dais" , "Oil rig < level being raised" , "Stage - dais" , "Raised level surface" , "Part of railway station" .)

I've seen this clue in The Sun.

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