Hi all, For one of my current projects (to be presented at LAC2006) I'm looking for a suitable file format. Each file should contain: - A number of short (+/- 10 seconds) chunks of PCM audio. The number of channels will be different in each chunk. The only sample format required is single precision floating point. For multi-channel chunks, non-interleaved is preferred. All chunks will normally use the same sample frequency. - Metadata, both numerical and textual. The format should allow to have several chunks of these, and to add new ones later without breaking compatibility (i.e. readers will ignore parts they do not understand). There is no need for the audio to be usable with normal players - it's not meant to be listened to directly. Is there any standard file/container format that would provide for this sort of thing ? I've been looking at ogg, but it's a bit over the top - I don't need any streaming features. The alternative is of course to have separate WAV files and some text file for the metadata, and combine all of this into a directory that would then be handled as a unit. But I'd prefer to have all data in a single file.

Hi all, For one of my current projects (to be presented at LAC2006) I'm looking for a suitable file format. Each file should contain: - A number of short (+/- 10 seconds) chunks of PCM audio. The number of channels will be different in each chunk. The only sample format required is single precision floating point. For multi-channel chunks, non-interleaved is preferred. All chunks will normally use the same sample frequency. - Metadata, both numerical and textual. The format should allow to have several chunks of these, and to add new ones later without breaking compatibility (i.e. readers will ignore parts they do not understand). There is no need for the audio to be usable with normal players - it's not meant to be listened to directly. Is there any standard file/container format that would provide for this sort of thing ? I've been looking at ogg, but it's a bit over the top - I don't need any streaming features.

Is there any standard file/container format that would provide for this sort of thing