[asterisk-dev] ODBC stored voicemail blob object format

[Nir Simionovich]

Oh yes, of course - been there, done that.

Nir S

Kai Hoerner wrote:
> Hello Nir,
>
> have you already tried replacing the format "WAV" with "wav49" in 
> voicemail config? (or vice versa)
>
>
> Regards,
>
> Kaii
>
>
> Nir Simionovich schrieb:
>   
>> Hi all,
>>
>>   I've developed a REST based API that is capable of fully integrating 
>> with the ODBC storage and management
>> engine for app_voicemail. However, I've reached somewhat of an impass 
>> when trying to playback messages
>> stored as BLOBs using a Flash Player.
>>
>>   In general, I gathered the the BLOB object stored in the database 
>> isn't a full WAV file format, and actually is
>> a RAW ADPCM file, which is playable from a standard media player. 
>> However, the file in non-playable from
>> an ADOBE based flash player - which requires a fully standard WAV file.
>>
>>   Questions that arise in this case are:
>> 1. Is there a method to convert the stored BLOB to a valid WAV format?
>> 2. Adding proper WAV support to Asterisk, is it feasible?
>> 3. Is there an external method of converting from the RAW format to 
>> proper WAV? (tried SOX with no success).
>>
>>   I'm not an audiophile, so I'm kind'a of at a loss here.
>>
>> Cheers,
>>   Nir S
>>
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>
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