Re: [Kaldi-users] Weight Pushing

[Daniel P. <dp...@gm...>]

That's right-- also, there was a change to the epsilon-removal
algorithm and I think possibly even other algorithms, so they keep an
already-stochastic FST stochastic.
Dan


On Wed, Nov 6, 2013 at 12:55 PM, Paul Dixon <pau...@gm...> wrote:
> Determinization in the log semiring
>
>
> On Wednesday, 6 November 2013, Lahiru Samarakoon wrote:
>>
>> Hi Dan,
>>
>> I read about avoiding weight pushing in the Kaldi website but I couldn't
>> find which stage of the graph creation compensates for that.
>>
>> My question is How to make them pushed without pushing? and What stage of
>> graph creation (C++ binary) does it?
>>
>> Thanks,
>> Lahiru
>>
>>
>> On Tue, Nov 5, 2013 at 8:17 PM, Daniel Povey <dp...@gm...> wrote:
>>>
>>> It's not an encoding change, it's a change in the graph creation
>>> algorithm so the weights are "already pushed".  It has no effect on
>>> the graph size.  The quality should be the same in general (although
>>> it will be better under some almost-pathological cases).  It means
>>> that you don't have to worry about weight pushing failing.
>>> Dan
>>>
>>>
>>> On Tue, Nov 5, 2013 at 5:56 AM, Lahiru Samarakoon <lah...@gm...>
>>> wrote:
>>> > Hi All,
>>> >
>>> > Can anyone briefly explain me the encoding mechanism used in Kaldi
>>> > instead
>>> > of weight pushing in the decoding graph creation?
>>> >
>>> > What is the effect of this change to the final graph size? Is it bigger
>>> > when
>>> > compared with a graph which uses weight pushing?
>>> >
>>> > Thanks,
>>> > Lahiru
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
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>>
>>
>