[android-developers] Re: Recorded voice is very very low and lot of noise is recorded.

2011-09-16 Thread niko20
You definitely need to use a higher sample rate. At 8Khz it will sound like talking through a phone - very noisy. -niko On Sep 15, 3:51 am, Harpreet harpreetsingh.ja...@gmail.com wrote: Hello everybody Any thought? On Sep 13, 9:19 pm, harpreet singh harpreetj...@gmail.com wrote:

[android-developers] Re: Recorded voice is very very low and lot of noise is recorded.

2011-09-16 Thread dranfi
Hi, The human voice frequency is between 60Hz to 7 KHz see : http://en.m.wikipedia.org/wiki/Human_voice The nyquist-Shannon theorem says that the sampling rate need to be AT LEAST twice as the maximum frequency of the original signal :

[android-developers] Re: Recorded voice is very very low and lot of noise is recorded.

2011-09-15 Thread Harpreet
Hello everybody Any thought? On Sep 13, 9:19 pm, harpreet singh harpreetj...@gmail.com wrote: Hi, I am trying to record the voice using AudioRecord class and writing the read bytes to speaker using AudioTrack class. I am able to hear the voice coming from Speaker but the voice is very low