US 2006/0218525 A1Published application

Signal processing apparatus

AssigneeSony Corporation

InventorKosei Yamashita

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Abstract

A signal processing apparatus for performing signal processing including a plurality of steps in data units by means of software signal processing includes signal processing modules performing the steps, a circuit configuration information storing and managing unit storing the signal processing modules and circuit configuration information, a signal processing order determining unit determining a signal processing order by performing path routing, a signal processing executing unit executing the signal processing in the determined order, and a circuit configuration changing unit changing circuit configuration information and causing the signal processing order determining unit to re-execute path routing to determine a signal processing order for the changed circuit configuration information during a period from the end of the software signal processing in the data unit to the beginning of the subsequent data unit. Software signal processing from the beginning of the subsequent data unit is performed with the changed circuit configuration.

Claims8

Dependent claims

A signal processing apparatus for performing signal processing including a plurality of unit signal-processing steps in processing data units by means of software signal processing, each processing data unit having a predetermined number of data samples, the signal processing apparatus comprising:

a plurality of signal processing modules that perform the unit signal-processing steps, respectively, by means of software processing;
a circuit configuration information storing and managing unit that stores and manages the plurality of signal processing modules and circuit configuration information represented by a virtual connection state of inputs and outputs of the plurality of signal processing modules;
signal processing order determining means for determining a signal processing order of the plurality of signal processing modules forming the circuit configuration information stored in the circuit configuration information storing and managing unit by performing path routing;
signal processing executing means for executing the signal processing by sequentially enabling the signal processing modules in the signal processing order determined by the signal processing order determining means;
and
circuit configuration changing means for determining whether a circuit-configuration change request exists during the signal processing executed in the signal processing executing means, and, when detecting the circuit-configuration change request, changing the circuit configuration information stored in the circuit configuration information storing and managing unit and causing the signal processing order determining means to re-execute path routing to determine a signal processing order of the plurality of signal processing modules forming changed circuit configuration information during a period from an end of the software signal processing in the processing data unit to a beginning of the subsequent processing data unit,
wherein software signal processing from a beginning of a subsequent processing data unit is performed with the circuit configuration changed by the circuit configuration changing means.

4 more elements

a plurality of signal processing modules that perform the unit signal-processing steps, respectively, by means of software processing;
a circuit configuration information storing and managing unit that stores and manages the plurality of signal processing modules and circuit configuration information represented by a virtual connection state of inputs and outputs of the plurality of signal processing modules;
a signal processing order determining unit that determines a signal processing order of the plurality of signal processing modules forming the circuit configuration information stored in the circuit configuration information storing and managing unit by performing path routing;
a signal processing executing unit that executes the signal processing by sequentially enabling the signal processing modules in the signal processing order determined by the signal processing order determining unit;
and
a circuit configuration changing unit that determines whether a circuit-configuration change request exists during the signal processing executed in the signal processing executing unit, and that, when detecting the circuit-configuration change request, changes the circuit configuration information stored in the circuit configuration information storing and managing unit and causes the signal processing order determining unit to re-execute path routing to determine a signal processing order of the plurality of signal processing modules forming changed circuit configuration information during a period from the end of the software signal processing in the processing data unit to the beginning of the subsequent processing data unit,
wherein software signal processing from a beginning of a subsequent processing data unit is performed with the circuit configuration changed by the circuit configuration changing unit.

4 more elements

Dependencies are inferred from the claim text.