Alfons Adriaensen wrote:
>On Mon, Jun 13, 2005 at 04:59:57PM +1000, Erik de Castro Lopo wrote:
>
>
>
>>With libsamplerate, I can state that the three sinc based converters
>>have the following characteristics:
>>
>> SNR Bandwidth
>> SRC_SINC_FASTEST 102.42 dB 80.23 %
>> SRC_SINC_MEDIUM_QUALITY 98.99 dB 90.68 %
>> SRC_SINC_BEST_QUALITY 97.43 dB 96.96%
>>
>>where SNR is signal to noise ratio and Bandwidth its a percentage of
>>the theoretical best bandwidth (ie half of the minimum of the source
>>and desination sample rate).
>>
>>
>
>What do you mean by 'signal to noise ratio' of a resample algo ?
>I see no reason why it should produce noise,
>
The signal after the resampling is not the same than the original one,
so there is a modification: you can call this modification noise,
distortion, whatever :)
David
Received on Mon Jun 13 16:15:05 2005
This archive was generated by hypermail 2.1.8 : Mon Jun 13 2005 - 16:15:05 EEST