Urgent help reqd.

[ashisha]

I tried to record my sound using sample-rate 11025 Hz with sample format 16-bit PCM. After exporting (saving) it as a .m4a file (after downloading ffmpeg library), I tried to open that file. But it does not open and the error comes as - "File may be invalid or corrupted".
Can anybody help - why now I am not able to open the same file which i exported?

Because this file is not getting opened correctly, I am not able to use the Yamb s/w also.

Please help ......

[steve]

I'm curious: Why are you recording in such low quality?

After exporting (saving) it as a .m4a file (after downloading ffmpeg library), I tried to open that file. But it does not open and the error comes as - "File may be invalid or corrupted".

What "Options" did you have set?
Which version of Audacity are you using (1.3.?? Look in "Help menu > About Audacity")
Which version of FFmpeg are you using? (look in "Edit menu > Preferences > Libraries")
What was the file name that you used for the exported file?
Where did you export it to?
You tried opening the file with what program?

[ashisha]

Thanks,
The problem is resolved.
Earlier I was trying to record in 11025 Hz. When I recorded in 22050 Hz, it was perfect. I was using 11025 Hz because when I played the sound after recording, it was not having enough background disturbance, but in the case of higher sample rate, there was too much background noise.
I am using internal microphone, just FYI.
Even after successfully saving the recording and then played using 22050 Hz, I am still not satisfied with the sound. It is still having too much background sounds.
Please suggest the measures to record a perfect sound with no background sound.
If you think that the perfect sound can be recorded with external mic only, then please let me know.

I am using audacity 1.3

Please reply.

- Ashish

[steve]

Internal microphones are frequently very noisy, but the best upgrade path will depend on the type of recording that you are wanting to do.