Known issues

The most up to date help, with links to other music related topics, is on RecordingBlogs.com.

The following is a list of the known issues in the current version of Orinj.

MIDI

The following are MIDI related issues.

Wave formats

Orinj supports various sampling resolutions, including 24-bit and 32-bit wave files. Java on Windows, however, does not support 24-bit and 32-bit playing and recording. For example, when reviewing your device capabilities, Orinj may show that your soundcards do not support 24- and 32-bit audio data, when in fact they do. The 24-bit and 32-bit capabilities of soundcards should be accessible on Linux and Mac.

Orinj will convert 24- and 32-bit audio data sent and received from your soundcard to 16-bit data, although Orinj will not convert or otherwise change the 24-bit and 32-bit wave files. This means that the dynamic range of recordings may not be any better with a 24-bit session than with a 16-bit session. This said, if you do use a 24-bit or a 32-bit session, most of the internal processing of the audio data will be done in 24 or 32-bit respectively. This includes mixing and effect processing.

It is also worth noting that 8-bit recordings will contain noise. This is due to the natural limits of 8-bit PCM data. With 8 bits, a sound sample can take at most 256 values – the values between 0 and 256, since by convention 8-bit PCM sound data is unsigned. Here, the "zero" of the signal will be 128 and the maximum peak amplitude of the signal will be 128 as well. When an analogue signal is digitized with an 8-bit representation, values are rounded. If, for example, the value of the analogue signal at a specific sample is 35.6, this value may be recorded as 35 or 36, depending on the digitizing equipment. This is a quantization error that may be as low as 0 or as high as 0.5. The signal to noise ratio due to the quantization then, in decibels, is 20 log10(0.5 / 128) = 48 dB. This means that the noise will be audible.

Sound file formats

The following are notes on audio file formats recognized by Orinj.

Effects

The following are issues with the Orinj digital signal processing effects.