[Speex-dev] Quality vs. Bitrate vs. Complexity

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Sat Apr 3 20:48:56 PDT 2010


On 2010-04-03 22:52, Randy Yates wrote:
> Jean-Marc Valin<jean-marc.valin at usherbrooke.ca>  writes:
>
>> Quality and bit-rate are different ways of specifying exactly the same
>> thing. Complexity is orthogonal.
>
> That clears it up - thanks. Is this in the manual?

Have a look and tell me.

	Jean-Marc

> --Randy
>
>>
>> 	Jean-Marc
>>
>> On 2010-04-03 08:28, Randy Yates wrote:
>>> Jean-Marc: I know you're seeing these - how about a response?
>>>
>>> --Randy
>>>
>>> Randy Yates<yates at ieee.org>   writes:
>>>
>>>> If I understand these terms correctly, you cannot specify simultaneously
>>>> all three, e.g., high quality, low bitrate, and low complexity.
>>>>
>>>> It seems that specifying any two implies the third.  For example,
>>>> specifying a high quality and low bitrate will necessarily require a
>>>> high complexity.
>>>>
>>>> Am I correct? If not, can someone please explain how these parameters
>>>> interact?
>>>
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>


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