} while (info.error = 0 & consumed raw. Pass of PCM data, pointed to by to soundTouch Size_t decodedBytes = (size_t)info.samples * SAMPLE_SIZE If (NeAACDecInit(decoder, (unsigned char *)aacData, aacBytes, &sampleRate, &channels) 0) If (!NeAACDecSetConfiguration(decoder, config)) If SoundTouch wants it in something other than siged 16bit LE PCM, change this You can easily convert the conversion task related to AAC format, such as AAC to WAV, MP3 to AAC, etc. Object type is one of LOW, MAIN, SSR, LTP Convert.Files is a powerful online AAC converter that supports more than 300 file formats - document, archive, presentation, eBook, drawing, image, audio, and video. If it's not wrapped in ADTS, you need to know sampleRate, and object type iTunes will leave the original format in the iTunes library and add the new converted format, as a result and as hhgttg27 was demonstrating you. To convert format in iTunes see Convert a song to a different file format with iTunes - Apple Support. If the AAC data is wrapped in ADTS, you don't need the next 2 lines The iTunes app has the ability to convert music from one format to another e.g. You can then download the converted audio file. NeAACDecConfigurationPtr config = NeAACDecGetCurrentConfiguration(decoder) Convert your audio files to popular formats including MP3, WAV, OGG, FLAC and M4A. Int AACDecode(uint8_t *aacData, size_t aacBytes, uint32_t sampleRate, unsigned char channels) #define SAMPLE_SIZE 2 //2 bytes, or 16bits per samle. the one were going to get Then, you should select the location to save the converted file (the place where the program will save the output MP3 file on a disk) After selecting the place, confirm the conversion and wait. If you wanted to pass samples of audio to SoundTouch as you receive them, you could decode with FAAC using something like this #include Load the AAC file to the program The third step is to choose the output format of the MP3 file, i.e. New song files appear in your library next to the original files. Choose File > Convert, then Create format Version. Select the songs in your library that you want to convert. I'm not familiar with SoundTouch, but it looks like it wants PCM audio as input, so you're probably already converting to PCM. Click the menu next to Import Using, then choose the encoding format that you want to convert the song to. How are you currently using SoundTouch? Do you pass audio samples to the SoundTouch library as you read them? Or do you spawn the soundstretch utility and pass the audio as a file or though a pipe?
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