Member Variables¶

A¶

• variable biquad_section<T>::a0 Denominator coefficient z^0
• variable biquad_section<T>::a1 Denominator coefficient z^-1
• variable iir_params<T, filters>::a1 Denominator coefficient z^-1 per section.
• variable biquad_section<T>::a2 Denominator coefficient z^-2
• variable iir_params<T, filters>::a2 Denominator coefficient z^-2 per section.
• variable expression_window_with_metrics<T, metrics>::arg

B¶

• variable biquad_section<T>::b0 Numerator coefficient z^0
• variable iir_params<T, filters>::b0 Numerator coefficient z^0 per section.
• variable biquad_section<T>::b1 Numerator coefficient z^-1
• variable iir_params<T, filters>::b1 Numerator coefficient z^-1 per section.
• variable biquad_section<T>::b2 Numerator coefficient z^-2
• variable iir_params<T, filters>::b2 Numerator coefficient z^-2 per section.
• variable iir_state<T, filters>::block_end End index of the current processing block.

C¶

• variable expression_goertzel<T>::coeff Precomputed resonator coefficient
• variable expression_parallel_goertzel<T, width>::coeff Precomputed coefficients
• variable delay_state<T, samples, Tag>::cursor

D¶

• variable delay_state<T, samples, Tag>::data
• variable delay_state<T, 1, 1>::data
• variable samplerate_converter<T>::decimation_factor Decimation factor.
• variable samplerate_converter<T>::delay Delay line buffer.
• variable short_fir_state<tapcount, T, U>::delayline Delay line holding the last
• variable fir_state<T, U>::delayline Ring-buffer delay line of length
• variable moving_sum_state<U, Tag>::delayline Ring buffer holding the window contents.
• variable moving_sum_state<U, tag_dynamic_vector>::delayline Ring buffer holding the window contents.
• variable fir_state<T, U>::delayline_cursor Current write cursor into
• variable samplerate_converter<T>::depth Processing depth.
• variable expression_window<T>::dims
• variable expression_delay<delay, E, stateless, STag>::dims
• variable expression_delay<1, E, stateless, STag>::dims
• variable expression_goertzel<T>::dims
• variable expression_parallel_goertzel<T, width>::dims

F¶

• variable samplerate_converter<T>::filter Filter coefficients.

H¶

• variable moving_sum_state<U, Tag>::head_cursor Write cursor (newest sample).
• variable moving_sum_state<U, tag_dynamic_vector>::head_cursor Write cursor (newest sample).

I¶

• variable samplerate_converter<T>::input_position Current input position.
• variable samplerate_converter<T>::interpolation_factor Interpolation factor.

K¶

• variable zpk::k System gain
• variable samplerate_converter<T>::kaiser_beta Kaiser window beta parameter.

L¶

• variable expression_window_with_metrics<T, metrics>::linspace

M¶

• variable expression_window<T>::m_size
• variable stereo_matrix::matrix 2x2 mixing matrix (rows are output coefficients).

O¶

• variable expression_goertzel<T>::omega Target angular frequency [rad/sample].
• variable expression_parallel_goertzel<T, width>::omega SIMD vector of target angular frequencies.
• variable samplerate_converter<T>::order Filter order.
• variable biquad_state<T, filters>::out Last output vector, used as inter-section delay line.
• variable samplerate_converter<T>::output_position Current output position.

P¶

• variable zpk::p Poles of the transfer function
• variable iir_state<T, filters>::params
• variable fir_state<T, U>::params Filter parameters (reversed taps).

Q¶

• variable expression_goertzel<T>::q0 Current filter output (working state).
• variable expression_parallel_goertzel<T, width>::q0 Current filter outputs (working state).
• variable expression_goertzel<T>::q1 Previous output sample (working state).
• variable expression_parallel_goertzel<T, width>::q1 Previous output samples (working state).
• variable expression_goertzel<T>::q2 Output sample two steps back (working state).
• variable expression_parallel_goertzel<T, width>::q2 Output samples two steps back (working state).

R¶

• variable expression_short_fir<tapcount, T, U, E1, stateless>::random_access
• variable expression_fir<T, U, E1, stateless>::random_access
• variable expression_moving_sum<U, E1, STag, stateless>::random_access
• variable expression_delay<delay, E, stateless, STag>::random_access
• variable expression_delay<1, E, stateless, STag>::random_access
• variable expression_goertzel<T>::result Output complex bin value (written on destruction).
• variable expression_parallel_goertzel<T, width>::result Output array of

S¶

• variable biquad_state<T, filters>::s1 First delay register per section.
• variable biquad_state<T, filters>::s2 Second delay register per section.
• variable iir_state<T, filters>::saved_state Snapshot used for block-based processing.
• variable iir_state<T, filters>::state Active delay-line state.
• variable expression_iir_l<filters, T, E1, Stateless>::state
• variable expression_iir<filters, T, E1, Stateless>::state
• variable expression_short_fir<tapcount, T, U, E1, stateless>::state
• variable expression_fir<T, U, E1, stateless>::state
• variable expression_moving_sum<U, E1, STag, stateless>::state
• variable fir_filter<T, U>::state
• variable expression_delay<delay, E, stateless, STag>::state
• variable expression_delay<1, E, stateless, STag>::state

T¶

• variable moving_sum_state<U, Tag>::tail_cursor Read cursor (oldest sample).
• variable moving_sum_state<U, tag_dynamic_vector>::tail_cursor Read cursor (oldest sample).
• variable short_fir_state<tapcount, T, U>::taps Filter coefficients (zero-padded).
• variable fir_params<T>::taps Filter coefficients (reversed order).
• variable samplerate_converter<T>::taps Number of filter taps.

Z¶

• variable zpk::z Zeros of the transfer function