Error resiliency for entropy coded audio data

A method of processing audio data, the method comprising:

• obtaining, from a compressed version of the audio data, a symbol of a plurality of symbols;
• obtaining a plurality of intervals, each of the intervals having a same bit length;
• obtaining a portion of the symbol within the bit length and an excess portion of the symbol over the bit length;
• specifying, in a first interval of the plurality of intervals, the portion of the symbol;
• specifying, in a second interval of the plurality of intervals, the excess portion of the symbol;
• applying, to the first interval and the second interval, error resiliency to obtain a first error resilient interval and a second error resilient interval;
• and
• specifying, in a bitstream representative of the compressed version of the audio data, the first error resilient interval and the second error resilient interval.

A sink device configured to process a bitstream representative of a compressed version of audio data, the sink device comprising:

• a memory configured to store at least a portion of the bitstream;
• and
• one or more processors coupled to the memory, and configured to:
• obtain, from the bitstream, a first error resilient interval and a second error resilient interval, each of the first error resilient interval and the second error resilient interval having a same bit length;
• perform error detection with respect to the first error resilient interval and the second error resilient interval to detect a presence of one or more errors in one or more of the first error resilient interval and the second error resilient interval;
• responsive to detecting that the one or more errors were not present in the first error resilient interval and the second error resilient interval:
• obtain, from the first error resilient interval, a portion of a symbol within the bit length, the symbol indicative of the compressed version of the audio data, and;
• obtain, from the second error resilient interval, an excess portion of the symbol over the bit length;
• and
• decompress, based on the portion and the excess portion, the symbol to obtain a portion of the audio data.

A method of processing a bitstream representative of audio data, the method comprising:

• obtaining, from the bitstream, a first error resilient interval and a second error resilient interval, each of the first error resilient interval and the second error resilient interval having a same bit length;
• performing error detection with respect to the first error resilient interval and the second error resilient interval to detect a presence of one or more errors in one or more of the first error resilient interval and the second error resilient interval;
• responsive to detecting that the one or more errors were not present in the first error resilient interval and the second error resilient interval:
• obtaining, from the first error resilient interval, a portion of a symbol within the bit length, the symbol indicative of the compressed version of the audio data, and;
• obtaining, from the second error resilient interval, an excess portion of the symbol over the bit length;
• and
• decompressing, based on the portion and the excess portion, the symbol to obtain a portion of the audio data.