Audio Format for iOS and Android

Common audio format for Android, iOS, Windows Phone

I believe the old .wav format should do the trick. It seems to be supported by both android and ios. I did not check wm7, but it is in wm6.5, so my guess is that it will be supported also:

http://developer.android.com/guide/appendix/media-formats.html

http://msdn.microsoft.com/en-us/library/cc907934.aspx

http://developer.apple.com/library/ios/#documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html

Choose which audio file format to use between Android and IOS?

At last we use amr. Ios client do the decode job.

Supported Audio file formats in iPhone

mp3 why not.
From: The Multimedia Support Section of the Reference Library

Audio Playback and Recording Formats

The audio playback formats supported in iOS are the following:

• AAC (AAC-LC)
• HE-AAC (v1 and v2)
• xHE-AAC - supported since iOS 13.0
• AC-3 (Dolby Digital) - supported since iOS 9.3
• E-AC-3 (Dolby Digital Plus) - supported since iOS 9.3
• MP3 (MPEG-1 audio layer 3
• AMR (Adaptive Multi-Rate, a format for speech) - not supported since iOS 4.3
• ALAC (Apple Lossless)
• iLBC (internet Low Bitrate Codec, another format for speech)
• IMA4 (IMA/ADPCM)
• linear PCM (uncompressed)
• µ-law and a-law

The audio recording formats supported in iOS are the following:

• AAC (on supported devices only)
• ALAC (Apple Lossless)
• iLBC (internet Low Bitrate Codec, for speech)
• IMA4 (IMA/ADPCM)
• linear PCM
• µ-law and a-law

What are the limitations of HTML5 audio on Android and iOS?

Summary

MP3 seems to be the best bet for broad platform coverage. It is supported by the newest versions of all major desktop and mobile browsers. (Safari on iOS & Chrome on Android)

At the moment, playback through DataURIs is limited mainly to desktop browsers, but will soon become available in Android.

Android (default browser)

Formats

• Ogg Vorbis: Yes
• MP3: Yes
• FLAC: No (not 100% certain)

Data URIs

Yes

Autoplay allowed

TBC

User interaction event required

TBC

Limitations

• Full audio doesn't seem to play. (tested with short sounds)

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Android (Chrome)

Formats

• Ogg Vorbis: Yes
• MP3: Yes
• FLAC: Yes

Data URIs

Yes (bug fixed in Chrome 34, which is currently in beta)

Autoplay allowed

No (bug)

User interaction event required

Yes

Limitations

• "ended" event never fires. (bug)
• "ended" event doesn't have user interaction privileges, so audio cannot be chained. (bug)

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iOS

Formats

• Ogg Vorbis: No
• MP3: Yes
• FLAC: No

Data URIs

No (workaround for iOS 6; no known workaround for iOS 6+)

Autoplay allowed

TBC

User interaction event required

TBC

Limitations

TBC

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Format tests performed using http://hpr.dogphilosophy.net/test/

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