How to get a file frequency?

[tfevan]

I run a file with demo.browse.php which source_sample_freq is 44.1 kHz. I wanna show it in my page. I use this code

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$ThisFileInfo['audio']['source_sample_freq']

but thats now working. I need to fix the code. Need help to fix.

[James Heinrich]

It should be

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$ThisFileInfo['audio']['sample_rate']

(source_sample_freq) is stored by some MP3 encoders to keep a record of what sample rate the source file was before encoding, which may or may not be the same as the encoded file)

[tfevan]

It works. Thanks a lot for your help :)

[tfevan]

sample_rate default unit is 'kbps'. I wanna change it to 'hz'. How to change?

[James Heinrich]

Sample Rate is always Hertz. It cannot be measured in anything else. Why do you think it's kbps?