[chromium-dev] speech-api returning empty results no matter what

[E. Schmidbauer]

Hello,
I'm trying to test out google's speech API using just simple curl command.
No matter what I try (different files/sample rates/etc...) google
returns an empty JSON result.

Here is my call:

curl -X POST --data-binary @audio/message.flac --header 'Content-Type:
audio/x-flac; rate=16000;'
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&key=___API_KEY___&maxresults=9&pfilter=0'


Any ideas?

Thanks,
E

[Anand Mistry]

That API is only for Chrome and Chromium development/testing.

Post by E. Schmidbauer
Hello,
I'm trying to test out google's speech API using just simple curl command.
No matter what I try (different files/sample rates/etc...) google
returns an empty JSON result.
audio/x-flac; rate=16000;'
'
https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&key=___API_KEY___&maxresults=9&pfilter=0'
Any ideas?
Thanks,
E

[Igor Rodriguez]

Do you have your own API KEY? If you got it try with this call:

curl -X POST \
--data-binary @'PATH_TO_YOUR_FILE' \
--header 'Content-Type: audio/l16; rate=16000;' \
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&client=chromium&maxresults=1&key=YOUR_API_KEY'

Post by E. Schmidbauer
Hello,
I'm trying to test out google's speech API using just simple curl command.
No matter what I try (different files/sample rates/etc...) google
returns an empty JSON result.
audio/x-flac; rate=16000;'
'
https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&key=___API_KEY___&maxresults=9&pfilter=0'
Any ideas?
Thanks,
E

[E. Schmidbauer]

Hi Igor,
I tried that as you specified. I know my API key is valid because if I
change it (to something invalid) I get an error

curl -X POST --data-binary @audio/message.flac --header 'Content-Type:
audio/x-flac; rate=16000;'
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&client=chromium&maxresults=1&key=___KEY____'


Only returns:

{"result":[]}

On Fri, Mar 6, 2015 at 2:46 AM, Igor Rodriguez

Post by Igor Rodriguez
curl -X POST \
--header 'Content-Type: audio/l16; rate=16000;' \
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&client=chromium&maxresults=1&key=YOUR_API_KEY'

Post by E. Schmidbauer
Hello,
I'm trying to test out google's speech API using just simple curl command.
No matter what I try (different files/sample rates/etc...) google
returns an empty JSON result.
audio/x-flac; rate=16000;'
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&key=___API_KEY___&maxresults=9&pfilter=0'
Any ideas?
Thanks,
E

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[Igor Rodriguez]

If you tried with my example, your audio data should be in "wav" format.
Can you try it with a wav audio recording?

[E. Schmidbauer]

Hi Igor,
I tried with your example too:

curl -X POST --data-binary @'hello (16bit PCM).wav' --header
'Content-Type: audio/l16; rate=16000;'
'https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&client=chromium&maxresults=1&key=__KEY__'


Still only returns:

{"result":[]}

Thanks
/E

On Fri, Mar 6, 2015 at 9:06 AM, Igor Rodriguez

If you tried with my example, your audio data should be in "wav" format. Can
you try it with a wav audio recording?
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[Christian Biesinger]

This mailing list is not an appropriate place to discuss how to break
Google's terms of service.

-christian

Post by E. Schmidbauer
Hi Igor,
'Content-Type: audio/l16; rate=16000;'
'
https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&client=chromium&maxresults=1&key=__KEY__
'
{"result":[]}
Thanks
/E
On Fri, Mar 6, 2015 at 9:06 AM, Igor Rodriguez

Post by Igor Rodriguez
If you tried with my example, your audio data should be in "wav" format.

Can

Post by Igor Rodriguez
you try it with a wav audio recording?
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[Rohit Kumar]

Did you find any solution? I am stuck in a very similar situation. Not
matter what I send, wav files, mp3, RAW files or linear16, I always get
empty response.

On Thursday, March 5, 2015 at 9:05:52 PM UTC+5:30, Emmanuel Schmidbauer

Post by E. Schmidbauer
Hello,
I'm trying to test out google's speech API using just simple curl command.
No matter what I try (different files/sample rates/etc...) google
returns an empty JSON result.
audio/x-flac; rate=16000;'
'
https://www.google.com/speech-api/v2/recognize?output=json&lang=en-US&key=___API_KEY___&maxresults=9&pfilter=0'
Any ideas?
Thanks,
E