Re: [Kaldi-users] data preparation problem

[Jan T. <af...@ce...>]

BTW, it might be the case that you might need to downsample to 44.1kHz and
16bits per sample. I think you can do this without any fear about
accuracy/performance of the recognizer.
y.


On Fri, Jul 11, 2014 at 11:40 AM, Jan Trmal <af...@ce...> wrote:

> Hi, type 65534 is some microsoft specific type used to add some specific extensions and previously unsupported features to the wave format.
>
> you can try to use sox to convert/sanitize the wav.
>
> y.
>
>
>
> On Fri, Jul 11, 2014 at 11:24 AM, Zibo Meng <mzb...@gm...> wrote:
>
>> Hi,
>>
>> I got another problem.
>>
>> When I tried make_mfcc.sh to create the feats.scp files it did not work.
>>
>> I checked the log file where it said some thing like:
>>
>> compute-mfcc-feats --verbose=2 --config=conf/mfcc.conf
>> scp,p:exp/make_mfcc/train/wav_data.1.scp ark:-
>> ERROR (compute-mfcc-feats:Read():wave-reader.cc:144) WaveData: can read
>> only PCM data, audio_format is not 1: 65534
>> WARNING (compute-mfcc-feats:Read():feat/wave-reader.h:148) Exception
>> caught in WaveHolder object (reading).
>> WARNING (compute-mfcc-feats:LoadCurrent():util/kaldi-table-inl.h:232)
>> TableReader: failed to load object from 'test.wav'
>>
>> Then I checked the attributes of my test.wav file which were as follows:
>> Input File     : 'test.wav'
>> Channels       : 1
>> Sample Rate    : 48000
>> Precision      : 24-bit
>> Duration       : 00:03:30.09 = 10084224 samples ~ 15756.6 CDDA sectors
>> File Size      : 30.3M
>> Bit Rate       : 1.15M
>> Sample Encoding: 24-bit Signed Integer PCM
>>
>> Can you tell me what should I modify to my audio files. Thank you so much!
>>
>> Best,
>>
>> Zibo
>>
>>
>>
>> On Thu, Jul 10, 2014 at 3:37 PM, Zibo Meng <mzb...@gm...> wrote:
>>
>>> Hi,
>>>
>>> I am preparing the data for dnn training using my own data set. I
>>> followed the instruction on http://kaldi.sourceforge.net/data_prep.html.
>>>
>>> I created the file "text" as the first 3 lines:
>>> S002-U-000300-000470 OH
>>> S002-U-000470-000630 I'D
>>> S002-U-000630-000870 LIKE
>>>
>>> the wav.scp file:
>>> S002-U <path to the corresponding wav file>
>>> S002-O <path to the corresponding wav file>
>>> S003-U <path to the corresponding wav file>
>>>
>>> and the utt2spk file:
>>> S002-U-000300-000470 002-U
>>> S002-U-000470-000630 002-U
>>> S002-U-000630-000870 002-U
>>>
>>> Then I used utt2spk_to_spk2utt.pl to create the spk2utt file.
>>> Everything went well until I tried to use the mak_mfcc.sh to create the
>>> feats.scp file where I got the error message like:
>>>
>>> utils/validate_data_dir.sh: file data/utt2spk is not in sorted order or
>>> has duplicates
>>>
>>> seems like my utt2spk file could not pass through the validation.
>>>
>>> Can any body help me out of here? Thank you so much.
>>>
>>> Best,
>>>
>>> Zibo
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>>
>>
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>