Re: [Kaldi-users] data preparation problem

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

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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