Question

How do i record sound from radio

Asked by: danieldear

I am planning to write an application to record from live radio. i am having sony ericsson k530i and there is no option to record from radio. is there anyway that i can capture the output stream of radio and store the data?

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Asked On
2009-03-24 at 04:22:59ID24258720
Tags

Record

,

sound

,

radio

,

j2me

,

sonyericsson

,

stream

,

store

Topic

Java 2 Micro-Edition (J2ME)

Participating Experts
1
Points
250
Comments
6

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Answers

 

by: mrwad99Posted on 2009-03-24 at 10:27:13ID: 23970882

Sounds like you want the "The J2ME Mobile Media API":

http://developers.sun.com/mobility/midp/articles/mmapioverview/

HTH

 

by: danieldearPosted on 2009-03-24 at 21:19:01ID: 23976033

I know about the media api. I have gone through the API. but no where it tells how to access output stream of radio. How do i record it from radio??

 

by: mrwad99Posted on 2009-03-25 at 04:31:28ID: 23978087

Right.  You have two choices here.  You can either try and contact the server sending out the radio stream directly, then communicate via the appropriate protocol etc to write to a file the data it is sending out.  Or, you can simply play the audio through the normal software you use on your phone, then record the output from your phone's sound card.

The former is not recommended.  The problem with it is that internet radio is often protected against record attempts in some way that makes communication of the correct type with the server very difficult.  Once the data is on your phone, so to speak, and your phone's player software is interpreting it and producing the sound which is relayed through your sound card, the data is much easier to get hold of.

I hope you choose the latter method.  If you choose to investigate further, I feel there is a simple example which will help you, using JavaSound, located at

http://www.jsresources.org/examples/SimpleAudioRecorder.html

There are plenty more resources on JavaSound in general; a good one is at

http://www.jsresources.org/faq_general.html

HTH

HTH

 

by: danieldearPosted on 2009-03-26 at 04:11:33ID: 23988993

are u talking interms of internet radio. i was talking about FM radio.

 

by: mrwad99Posted on 2009-03-26 at 13:28:19ID: 23994867

It would not matter.  As long as the audio from the radio is being played through the phone's soundcard or whatever, then the code above allows you to intercept that and record it.  It could be radio via FM/AM/LW, internet radio, audio from an MP3 you are playing on the phone, audio from a game, or even audio from a voice conversation.

20120131-EE-VQP-002

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