Method and apparatus for transmit and receive clock mismatch compensation

An apparatus for processing signals, comprising:

• an oversampling circuit configured to receive a plurality of audio signal samples, the oversampling circuit being further configured to replicate each of the audio signal samples n times, wherein n is variable;
• a buffer configured to:
• provide the audio signal samples to the oversampling circuit, and
• signal the oversampling circuit, wherein the signaling indicates whether the buffer is in an overflow or underflow condition;
• wherein the oversampling circuit is further configured to vary n as a function of the signaling from the buffer,
• wherein n is in a fixed state if the buffer is not in an overflow or underflow condition, and
• wherein the oversampling circuit is further configured to increase or decrease n from the fixed state of n for a number of non-consecutive audio signal samples in response to signaling from the buffer indicating that the buffer is in an overflow or underflow condition.

A method for processing signals, comprising:

• receiving a plurality of audio signal samples at a circuit from a buffer;
• replicating each of the audio signal samples n times at the circuit, wherein n is variable;
• varying n if signaling received from the buffer indicates that the buffer is in an overflow condition or in an underflow condition;
• and
• maintaining n in a fixed state if the buffer is not in the overflow condition or in the underflow condition,
• wherein varying n comprises increasing or decreasing n from the fixed state of n for a number of non-consecutive audio signal samples.

A method for processing signals, comprising:

• receiving a plurality of audio signal samples at a circuit via a buffer;
• replicating each of the audio signal samples n times at the circuit, wherein n is variable;
• signaling the circuit via the buffer, the circuit being configured to vary n as a function of the signaling from the buffer, wherein the signaling indicates whether the buffer is in an overflow or underflow condition, and wherein n is in a fixed state if the buffer is not in an overflow or underflow condition;
• and
• increasing or decreasing n from the fixed state of n for a number of non-consecutive audio signal samples in response to signaling from the buffer indicating that the buffer is in an overflow or underflow condition.

An apparatus for processing signals, comprising:

• buffering means for collecting audio signal samples;
• receiving means for receiving a plurality of audio signal samples from the buffering means;
• and
• oversampling means for replicating each of the audio signal samples n times, wherein n is variable,
• wherein the oversampling means is further for varying n if signaling received from the buffering means indicates that the buffering means is in an overflow condition or in an underflow condition;
• and
• wherein the oversampling means maintains n in a fixed state if the buffering means is not in the overflow condition or in the underflow condition,
• wherein the oversampling means varies n by increasing or decreasing n from the fixed state of n for a number of non-consecutive audio signal samples.

An apparatus for processing signals, comprising:

• receiving means for receiving a plurality of audio signal samples;
• oversampling means for replicating each of the audio signal samples n times, wherein n is variable;
• buffering means for providing the audio signal samples to the oversampling means and for signaling the oversampling means, the oversampling means being further for varying n as a function of the signaling from the buffering means,
• wherein the signaling relates to the number of audio signal samples in the buffering means,
• wherein the signaling indicates whether the buffering means is in an overflow or underflow condition,
• wherein n is in a fixed state if the buffering means is not in an overflow or underflow condition, and
• wherein the oversampling means is further for increasing or decreasing n from the fixed state of n for a number of non-consecutive audio signal samples in response to signaling from the buffering means indicating that the buffering means is in an overflow or underflow condition.

A computer program product for processing signals, comprising:

• a computer-readable medium comprising instructions executable to:
• receive a plurality of audio signal samples from a buffer;
• replicate each of the audio signal samples n times, wherein n is variable;
• vary n if signaling received from the buffer indicates that the buffer is in an overflow condition or in an underflow condition;
• and
• maintain n in a fixed state if the buffer is not in the overflow condition or in the underflow condition,
• wherein varying n comprises increasing or decreasing n from the fixed state of n for a number of non-consecutive audio signal samples.

A headset comprising:

• an oversampling circuit configured to receive a plurality of audio signal samples from a buffer, the oversampling circuit being further configured to replicate each of the audio signal samples n times, wherein n is variable;
• and
• a transducer configured to provide an audible output based on the audio signal samples,
• wherein varying n comprises increasing or decreasing n for a number of non-consecutive audio signal samples if signaling received from the buffer indicates that the buffer is in an overflow condition or in an underflow condition.