The present technology relates to a signal processing apparatus, a signal processing method, and a program that make it possible to cope with an output of a PCM signal using one DSD signal. A distribution apparatus includes an extraction section that, in a case where a PCM signal having a predetermined sampling frequency is generated from a DSD signal, extracts a predetermined number of samples from the DSD signal around samples at a predetermined interval determined by the predetermined sampling frequency, and a filtering section that generates the PCM signal having the predetermined sampling frequency by filtering the extracted predetermined number of samples. The present technology is applicable to, for example, a distribution apparatus, etc., that distributes the PCM signal to a client apparatus.

A signal processing device is provided, which includes a pulse compressing module configured to generate a pulse compressed signal obtained by performing pulse compression on a reception signal that is a reflection of a transmission signal transmitted to outside the device, a pseudo signal generating module configured to generate, based on the reception signal, a pseudo signal of which a pseudo main lobe portion corresponding to a main lobe of the pulse compressed signal has a lower signal level than signal levels of pseudo side lobe portions corresponding to side lobes of the pulse compressed signal, and a side lobe removing module configured to remove the pseudo signal from the pulse compressed signal.

A decoder includes circuitry configured to receive a bitstream identify, in the bitstream, a current frame, wherein the current frame includes a plurality of regions, detect, in the bitstream, an indication that a first region is encoded according to a lossless encoding protocol and another region is encoded according to a lossy encoding protocol, and decode the current frame, wherein decoding the current frame further comprises decoding the first region using a lossless decoding protocol corresponding to the lossless encoding protocol.

A system and method are provided relating generally to data transmission and more particularly to modulation techniques offering increased data transmission rates. To so provide, a first amplitude-time modulated (ATM) signal and a first phase modulated signal are combined at a first combiner to produce a complex wave modulation signal, and the complex wave modulation signal and an additional signal are combined at a second combiner to produce a second complex wave modulation signal. The additional signal may be a second ATM signal or a second phase modulated signal. Optionally, the second complex wave modulation signal and a second additional signal may be combined to produce a third complex wave modulation signal. In accordance with at least one embodiment, a shape of an element of information according to the first ATM signal may be defined programmatically over subportions of less than the duration of the element of information.

An encoder includes data processing hardware operable to: process input data into a plurality of blocks/packets; apply a plurality of transformations to content of the blocks/packets to generate corresponding transformed data; check a quality of representation of the transformed data prior to application of the transformations to determine whether or not the quality of representation of the transformed data satisfies quality criteria; if the quality of representation does not satisfy the quality criteria, to divide and/or combine the one or more individual blocks or packets further and repeating the transformation step; and if the quality of representation of the transformed data satisfies the one or more quality criteria, to select coding methods and encode data representative of the input data to be encoded to provide encoded output data; and communicate in the encoded data information describing the plurality of transformations or combinations of transformations employed when coding the blocks/packets.

A processor comprises a first memory to store data elements that are encoded according to a floating point format including a sign field, an exponent field, and a significand field; and a compression engine comprising circuitry, the compression engine to generate a compressed data block that is to include a tag type per data element, wherein responsive to a determination that a first data element includes a value in its exponent field that does not match a value of any entry in a dictionary, a first tag type and an uncompressed value of the data element are included in the compressed data block; and responsive to a determination that a second data element includes a value in its exponent field that matches a value of a first entry in the dictionary, a second tag type and a compressed value of the data element are included in the compressed data block.

A processor comprises a first memory to store data elements that are encoded according to a floating point format including a sign field, an exponent field, and a significand field; and a compression engine comprising circuitry, the compression engine to generate a compressed data block that is to include a tag type per data element, wherein responsive to a determination that a first data element includes a value in its exponent field that does not match a value of any entry in a dictionary, a first tag type and an uncompressed value of the data element are included in the compressed data block; and responsive to a determination that a second data element includes a value in its exponent field that matches a value of a first entry in the dictionary, a second tag type and a compressed value of the data element are included in the compressed data block.

A signal processing device is provided, which includes a pulse compressing module configured to generate a pulse compressed signal obtained by performing pulse compression on a reception signal that is a reflection of a transmission signal transmitted to outside the device, a pseudo signal generating module configured to generate, based on the reception signal, a pseudo signal of which a pseudo main lobe portion corresponding to a main lobe of the pulse compressed signal has a lower signal level than signal levels of pseudo side lobe portions corresponding to side lobes of the pulse compressed signal, and a side lobe removing module configured to remove the pseudo signal from the pulse compressed signal.

A combination low-pass filter and a method for reducing bandwidth of an input signal comprises filtering an input signal in parallel with a first type of low-pass filter to produce a first filtered signal having the first type of artifacts, and a second low-pass filter to produce a second filtered signal that does not include the first type of artifacts. Responsive to detecting no significant transition in the input signal, the first filtered signal is output. And responsive to detecting a significant transition in the input signal, portions of the first filtered signal are selectively replaced with portions of the second filtered signal by switching outputs from the first filtered signal to the second filtered signal in transition zones occurring immediately before and immediately after the detected transition in the input signal, wherein the transition zones overlap duration of the first type of artifacts caused by the first filter.

A system and method comprise combining, at a first combiner, a first amplitude-time modulated (ATM) signal and a first phase modulated signal to produce a complex wave modulation signal and combining, at a second combiner having an input coupled to an output of the first combiner, the complex wave modulation signal and an additional signal to produce a second complex wave modulation signal, the additional signal selected from a group consisting of a second ATM signal and a second phase modulated signal.