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<header>
<h1 class="title">Module <code>audiocraft.solvers.jasco</code></h1>
</header>
<section id="section-intro">
</section>
<section>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="audiocraft.solvers.jasco.JascoSolver"><code class="flex name class">
<span>class <span class="ident">JascoSolver</span></span>
<span>(</span><span>cfg: omegaconf.dictconfig.DictConfig)</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class JascoSolver(musicgen.MusicGenSolver):
&#34;&#34;&#34;Solver for JASCO - Joint Audio and Symbolic Conditioning for Temporally Controlled Text-to-Music Generation
https://arxiv.org/abs/2406.10970.
&#34;&#34;&#34;
DATASET_TYPE: builders.DatasetType = builders.DatasetType.JASCO
def __init__(self, cfg: DictConfig):
super().__init__(cfg)
# initialize generation parameters by config
self.generation_params = {
&#39;cfg_coef_all&#39;: self.cfg.generate.lm.cfg_coef_all,
&#39;cfg_coef_txt&#39;: self.cfg.generate.lm.cfg_coef_txt
}
self.latent_mean = cfg.compression_model_latent_mean
self.latent_std = cfg.compression_model_latent_std
self.mse = torch.nn.MSELoss(reduction=&#39;none&#39;)
self._best_metric_name = &#39;loss&#39;
def build_model(self) -&gt; None:
&#34;&#34;&#34;Instantiate model and optimization.&#34;&#34;&#34;
assert self.cfg.efficient_attention_backend == &#34;xformers&#34;, &#34;JASCO v1 models support only xformers backend.&#34;
self.compression_model = CompressionSolver.wrapped_model_from_checkpoint(
self.cfg, self.cfg.compression_model_checkpoint, device=self.device)
assert self.compression_model.sample_rate == self.cfg.sample_rate, (
f&#34;Compression model sample rate is {self.compression_model.sample_rate} but &#34;
f&#34;Solver sample rate is {self.cfg.sample_rate}.&#34;
)
# instantiate JASCO model
self.model: models.FlowMatchingModel = models.builders.get_jasco_model(self.cfg,
self.compression_model).to(self.device)
# initialize optimization
self.initialize_optimization()
def _get_latents(self, audio):
with torch.no_grad():
latents = self.compression_model.model.encoder(audio)
return latents.permute(0, 2, 1) # [B, D, T] -&gt; [B, T, D]
def _prepare_latents_and_attributes(
self, batch: tp.Tuple[torch.Tensor, tp.List[SegmentWithAttributes]],
) -&gt; tp.Tuple[dict, torch.Tensor, torch.Tensor]:
&#34;&#34;&#34;Prepare input batchs for language model training.
Args:
batch (tuple[torch.Tensor, list[SegmentWithAttributes]]): Input batch with audio tensor of shape [B, C, T]
and corresponding metadata as SegmentWithAttributes (with B items).
Returns:
Condition tensors (dict[str, any]): Preprocessed condition attributes.
Tokens (torch.Tensor): Audio tokens from compression model, of shape [B, K, T_s],
with B the batch size, K the number of codebooks, T_s the token timesteps.
Padding mask (torch.Tensor): Mask with valid positions in the tokens tensor, of shape [B, K, T_s].
&#34;&#34;&#34;
audio, infos = batch
audio = audio.to(self.device)
assert audio.size(0) == len(infos), (
f&#34;Mismatch between number of items in audio batch ({audio.size(0)})&#34;,
f&#34; and in metadata ({len(infos)})&#34;
)
latents = self._get_latents(audio)
# prepare attributes
if JascoCondConst.CRD.value in self.cfg.conditioners:
null_chord_idx = self.cfg.conditioners.chords.chords_emb.card
else:
null_chord_idx = -1
attributes = [info.to_condition_attributes() for info in infos]
if self.model.cfg_dropout is not None:
attributes = self.model.cfg_dropout(samples=attributes,
cond_types=[&#34;wav&#34;, &#34;text&#34;, &#34;symbolic&#34;],
null_chord_idx=null_chord_idx)
attributes = self.model.att_dropout(attributes)
tokenized = self.model.condition_provider.tokenize(attributes)
with self.autocast:
condition_tensors = self.model.condition_provider(tokenized)
# create a padding mask to hold valid vs invalid positions
padding_mask = torch.ones_like(latents, dtype=torch.bool, device=latents.device)
return condition_tensors, latents, padding_mask
def _normalized_latents(self, latents: torch.Tensor) -&gt; torch.Tensor:
&#34;&#34;&#34;Normalize latents.&#34;&#34;&#34;
return (latents - self.latent_mean) / self.latent_std
def _unnormalized_latents(self, latents: torch.Tensor) -&gt; torch.Tensor:
&#34;&#34;&#34;Unnormalize latents.&#34;&#34;&#34;
return (latents * self.latent_std) + self.latent_mean
def _z(self, z_0: torch.Tensor, z_1: torch.Tensor, t: torch.Tensor, sigma_min: float = 1e-5) -&gt; torch.Tensor:
&#34;&#34;&#34;Interpolate data and prior.&#34;&#34;&#34;
return (1 - (1 - sigma_min) * t) * z_0 + t * z_1
def _vector_field(self, z_0: torch.Tensor, z_1: torch.Tensor, sigma_min: float = 1e-5) -&gt; torch.Tensor:
&#34;&#34;&#34;Compute the GT vector field.
sigma_min is a small value to avoid numerical instabilities.&#34;&#34;&#34;
return z_1 - (1 - sigma_min) * z_0
def _compute_loss(self, t: torch.Tensor, v_theta: torch.Tensor, v: torch.Tensor) -&gt; torch.Tensor:
&#34;&#34;&#34;Compute the loss.&#34;&#34;&#34;
loss_func = self.cfg.get(&#39;loss_func&#39;, &#39;increasing&#39;)
if loss_func == &#39;uniform&#39;:
scales = 1
elif loss_func == &#39;increasing&#39;:
scales = 1 + t # type: ignore
elif loss_func == &#39;decreasing&#39;:
scales = 2 - t # type: ignore
else:
raise ValueError(&#39;unsupported loss_func was passed in config&#39;)
return (scales * self.mse(v_theta, v)).mean()
def run_step(self, idx: int, batch: tp.Tuple[torch.Tensor, tp.List[SegmentWithAttributes]], metrics: dict) -&gt; dict:
&#34;&#34;&#34;Perform one training or valid step on a given batch.&#34;&#34;&#34;
condition_tensors, latents, padding_mask = self._prepare_latents_and_attributes(batch)
self.deadlock_detect.update(&#39;tokens_and_conditions&#39;)
B, T, D = latents.shape
device = self.device
# normalize latents
z_1 = self._normalized_latents(latents)
# sample the N(0,1) prior
z_0 = torch.randn(B, T, D, device=device)
# random time parameter, between 0 to 1
t = torch.rand((B, 1, 1), device=device)
# interpolate data and prior
z = self._z(z_0, z_1, t)
# compute the GT vector field
v = self._vector_field(z_0, z_1)
with self.autocast:
v_theta = self.model(latents=z,
t=t,
conditions=[],
condition_tensors=condition_tensors)
loss = self._compute_loss(t, v_theta, v)
unscaled_loss = loss.clone()
self.deadlock_detect.update(&#39;loss&#39;)
if self.is_training:
metrics[&#39;lr&#39;] = self.optimizer.param_groups[0][&#39;lr&#39;]
if self.scaler is not None:
loss = self.scaler.scale(loss)
self.deadlock_detect.update(&#39;scale&#39;)
if self.cfg.fsdp.use:
loss.backward()
flashy.distrib.average_tensors(self.model.buffers())
elif self.cfg.optim.eager_sync:
with flashy.distrib.eager_sync_model(self.model):
loss.backward()
else:
# this should always be slower but can be useful
# for weird use cases like multiple backwards.
loss.backward()
flashy.distrib.sync_model(self.model)
self.deadlock_detect.update(&#39;backward&#39;)
if self.scaler is not None:
self.scaler.unscale_(self.optimizer)
if self.cfg.optim.max_norm:
if self.cfg.fsdp.use:
metrics[&#39;grad_norm&#39;] = self.model.clip_grad_norm_(self.cfg.optim.max_norm) # type: ignore
else:
metrics[&#39;grad_norm&#39;] = torch.nn.utils.clip_grad_norm_(
self.model.parameters(), self.cfg.optim.max_norm
)
if self.scaler is None:
self.optimizer.step()
else:
self.scaler.step(self.optimizer)
self.scaler.update()
if self.lr_scheduler:
self.lr_scheduler.step()
self.optimizer.zero_grad()
self.deadlock_detect.update(&#39;optim&#39;)
if self.scaler is not None:
scale = self.scaler.get_scale()
metrics[&#39;grad_scale&#39;] = scale
if not loss.isfinite().all():
raise RuntimeError(&#34;Model probably diverged.&#34;)
metrics[&#39;loss&#39;] = unscaled_loss
return metrics
def _decode_latents(self, latents):
return self.compression_model.model.decoder(latents.permute(0, 2, 1))
@torch.no_grad()
def run_generate_step(self, batch: tp.Tuple[torch.Tensor, tp.List[SegmentWithAttributes]],
gen_duration: float, prompt_duration: tp.Optional[float] = None,
remove_text_conditioning: bool = False,
**generation_params) -&gt; dict:
&#34;&#34;&#34;Run generate step on a batch of optional audio tensor and corresponding attributes.
Args:
batch (tuple[torch.Tensor, list[SegmentWithAttributes]]):
use_prompt (bool): Whether to do audio continuation generation with prompt from audio batch.
gen_duration (float): Target audio duration for the generation.
prompt_duration (float, optional): Duration for the audio prompt to use for continuation.
remove_text_conditioning (bool, optional): Whether to remove the prompt from the generated audio.
generation_params: Additional generation parameters.
Returns:
gen_outputs (dict): Generation outputs, consisting in audio, audio tokens from both the generation
and the prompt along with additional information.
&#34;&#34;&#34;
bench_start = time.time()
audio, meta = batch
assert audio.size(0) == len(meta), (
f&#34;Mismatch between number of items in audio batch ({audio.size(0)})&#34;,
f&#34; and in metadata ({len(meta)})&#34;
)
# prepare attributes
attributes = [x.to_condition_attributes() for x in meta]
# prepare audio prompt
if prompt_duration is None:
prompt_audio = None
else:
assert prompt_duration &lt; gen_duration, &#34;Prompt duration must be lower than target generation duration&#34;
prompt_audio_frames = int(prompt_duration * self.compression_model.sample_rate)
prompt_audio = audio[..., :prompt_audio_frames]
# get audio tokens from compression model
if prompt_audio is None or prompt_audio.nelement() == 0:
num_samples = len(attributes)
prompt_tokens = None
else:
num_samples = None
prompt_audio = prompt_audio.to(self.device)
prompt_tokens, scale = self.compression_model.encode(prompt_audio)
assert scale is None, &#34;Compression model in MusicGen should not require rescaling.&#34;
# generate by sampling from the LM
with self.autocast:
total_gen_len = math.ceil(gen_duration * self.compression_model.frame_rate)
gen_latents = self.model.generate(
prompt_tokens, attributes, max_gen_len=total_gen_len,
num_samples=num_samples, **self.generation_params)
# generate audio from latents
assert gen_latents.dim() == 3 # [B, T, D]
# unnormalize latents
gen_latents = self._unnormalized_latents(gen_latents)
gen_audio = self._decode_latents(gen_latents)
bench_end = time.time()
gen_outputs = {
&#39;rtf&#39;: (bench_end - bench_start) / gen_duration,
&#39;ref_audio&#39;: audio,
&#39;gen_audio&#39;: gen_audio,
&#39;gen_tokens&#39;: gen_latents,
&#39;prompt_audio&#39;: prompt_audio,
&#39;prompt_tokens&#39;: prompt_tokens,
}
return gen_outputs</code></pre>
</details>
<div class="desc"><p>Solver for JASCO - Joint Audio and Symbolic Conditioning for Temporally Controlled Text-to-Music Generation
<a href="https://arxiv.org/abs/2406.10970.">https://arxiv.org/abs/2406.10970.</a></p></div>
<h3>Ancestors</h3>
<ul class="hlist">
<li><a title="audiocraft.solvers.musicgen.MusicGenSolver" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver">MusicGenSolver</a></li>
<li><a title="audiocraft.solvers.base.StandardSolver" href="base.html#audiocraft.solvers.base.StandardSolver">StandardSolver</a></li>
<li>abc.ABC</li>
<li>flashy.solver.BaseSolver</li>
</ul>
<h3>Class variables</h3>
<dl>
<dt id="audiocraft.solvers.jasco.JascoSolver.DATASET_TYPE"><code class="name">var <span class="ident">DATASET_TYPE</span> : <a title="audiocraft.solvers.builders.DatasetType" href="builders.html#audiocraft.solvers.builders.DatasetType">DatasetType</a></code></dt>
<dd>
<div class="desc"></div>
</dd>
</dl>
<h3>Methods</h3>
<dl>
<dt id="audiocraft.solvers.jasco.JascoSolver.build_model"><code class="name flex">
<span>def <span class="ident">build_model</span></span>(<span>self) > None</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def build_model(self) -&gt; None:
&#34;&#34;&#34;Instantiate model and optimization.&#34;&#34;&#34;
assert self.cfg.efficient_attention_backend == &#34;xformers&#34;, &#34;JASCO v1 models support only xformers backend.&#34;
self.compression_model = CompressionSolver.wrapped_model_from_checkpoint(
self.cfg, self.cfg.compression_model_checkpoint, device=self.device)
assert self.compression_model.sample_rate == self.cfg.sample_rate, (
f&#34;Compression model sample rate is {self.compression_model.sample_rate} but &#34;
f&#34;Solver sample rate is {self.cfg.sample_rate}.&#34;
)
# instantiate JASCO model
self.model: models.FlowMatchingModel = models.builders.get_jasco_model(self.cfg,
self.compression_model).to(self.device)
# initialize optimization
self.initialize_optimization()</code></pre>
</details>
<div class="desc"><p>Instantiate model and optimization.</p></div>
</dd>
<dt id="audiocraft.solvers.jasco.JascoSolver.run_generate_step"><code class="name flex">
<span>def <span class="ident">run_generate_step</span></span>(<span>self,<br>batch: Tuple[torch.Tensor, List[<a title="audiocraft.modules.conditioners.SegmentWithAttributes" href="../modules/conditioners.html#audiocraft.modules.conditioners.SegmentWithAttributes">SegmentWithAttributes</a>]],<br>gen_duration: float,<br>prompt_duration: float | None = None,<br>remove_text_conditioning: bool = False,<br>**generation_params) > dict</span>
</code></dt>
<dd>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@torch.no_grad()
def run_generate_step(self, batch: tp.Tuple[torch.Tensor, tp.List[SegmentWithAttributes]],
gen_duration: float, prompt_duration: tp.Optional[float] = None,
remove_text_conditioning: bool = False,
**generation_params) -&gt; dict:
&#34;&#34;&#34;Run generate step on a batch of optional audio tensor and corresponding attributes.
Args:
batch (tuple[torch.Tensor, list[SegmentWithAttributes]]):
use_prompt (bool): Whether to do audio continuation generation with prompt from audio batch.
gen_duration (float): Target audio duration for the generation.
prompt_duration (float, optional): Duration for the audio prompt to use for continuation.
remove_text_conditioning (bool, optional): Whether to remove the prompt from the generated audio.
generation_params: Additional generation parameters.
Returns:
gen_outputs (dict): Generation outputs, consisting in audio, audio tokens from both the generation
and the prompt along with additional information.
&#34;&#34;&#34;
bench_start = time.time()
audio, meta = batch
assert audio.size(0) == len(meta), (
f&#34;Mismatch between number of items in audio batch ({audio.size(0)})&#34;,
f&#34; and in metadata ({len(meta)})&#34;
)
# prepare attributes
attributes = [x.to_condition_attributes() for x in meta]
# prepare audio prompt
if prompt_duration is None:
prompt_audio = None
else:
assert prompt_duration &lt; gen_duration, &#34;Prompt duration must be lower than target generation duration&#34;
prompt_audio_frames = int(prompt_duration * self.compression_model.sample_rate)
prompt_audio = audio[..., :prompt_audio_frames]
# get audio tokens from compression model
if prompt_audio is None or prompt_audio.nelement() == 0:
num_samples = len(attributes)
prompt_tokens = None
else:
num_samples = None
prompt_audio = prompt_audio.to(self.device)
prompt_tokens, scale = self.compression_model.encode(prompt_audio)
assert scale is None, &#34;Compression model in MusicGen should not require rescaling.&#34;
# generate by sampling from the LM
with self.autocast:
total_gen_len = math.ceil(gen_duration * self.compression_model.frame_rate)
gen_latents = self.model.generate(
prompt_tokens, attributes, max_gen_len=total_gen_len,
num_samples=num_samples, **self.generation_params)
# generate audio from latents
assert gen_latents.dim() == 3 # [B, T, D]
# unnormalize latents
gen_latents = self._unnormalized_latents(gen_latents)
gen_audio = self._decode_latents(gen_latents)
bench_end = time.time()
gen_outputs = {
&#39;rtf&#39;: (bench_end - bench_start) / gen_duration,
&#39;ref_audio&#39;: audio,
&#39;gen_audio&#39;: gen_audio,
&#39;gen_tokens&#39;: gen_latents,
&#39;prompt_audio&#39;: prompt_audio,
&#39;prompt_tokens&#39;: prompt_tokens,
}
return gen_outputs</code></pre>
</details>
<div class="desc"><p>Run generate step on a batch of optional audio tensor and corresponding attributes.</p>
<h2 id="args">Args</h2>
<dl>
<dt>batch (tuple[torch.Tensor, list[SegmentWithAttributes]]):</dt>
<dt><strong><code>use_prompt</code></strong> :&ensp;<code>bool</code></dt>
<dd>Whether to do audio continuation generation with prompt from audio batch.</dd>
<dt><strong><code>gen_duration</code></strong> :&ensp;<code>float</code></dt>
<dd>Target audio duration for the generation.</dd>
<dt><strong><code>prompt_duration</code></strong> :&ensp;<code>float</code>, optional</dt>
<dd>Duration for the audio prompt to use for continuation.</dd>
<dt><strong><code>remove_text_conditioning</code></strong> :&ensp;<code>bool</code>, optional</dt>
<dd>Whether to remove the prompt from the generated audio.</dd>
<dt><strong><code>generation_params</code></strong></dt>
<dd>Additional generation parameters.</dd>
</dl>
<h2 id="returns">Returns</h2>
<p>gen_outputs (dict): Generation outputs, consisting in audio, audio tokens from both the generation
and the prompt along with additional information.</p></div>
</dd>
</dl>
<h3>Inherited members</h3>
<ul class="hlist">
<li><code><b><a title="audiocraft.solvers.musicgen.MusicGenSolver" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver">MusicGenSolver</a></b></code>:
<ul class="hlist">
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.autocast" href="base.html#audiocraft.solvers.base.StandardSolver.autocast">autocast</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.best_metric_name" href="base.html#audiocraft.solvers.base.StandardSolver.best_metric_name">best_metric_name</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.build_dataloaders" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver.build_dataloaders">build_dataloaders</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.commit" href="base.html#audiocraft.solvers.base.StandardSolver.commit">commit</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.common_train_valid" href="base.html#audiocraft.solvers.base.StandardSolver.common_train_valid">common_train_valid</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.evaluate" href="base.html#audiocraft.solvers.base.StandardSolver.evaluate">evaluate</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.evaluate_audio_generation" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver.evaluate_audio_generation">evaluate_audio_generation</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.generate" href="base.html#audiocraft.solvers.base.StandardSolver.generate">generate</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.generate_audio" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver.generate_audio">generate_audio</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.get_eval_solver_from_sig" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver.get_eval_solver_from_sig">get_eval_solver_from_sig</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.initialize_ema" href="base.html#audiocraft.solvers.base.StandardSolver.initialize_ema">initialize_ema</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.load_checkpoints" href="base.html#audiocraft.solvers.base.StandardSolver.load_checkpoints">load_checkpoints</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.log_model_summary" href="base.html#audiocraft.solvers.base.StandardSolver.log_model_summary">log_model_summary</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.register_best_state" href="base.html#audiocraft.solvers.base.StandardSolver.register_best_state">register_best_state</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.register_ema" href="base.html#audiocraft.solvers.base.StandardSolver.register_ema">register_ema</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.restore" href="base.html#audiocraft.solvers.base.StandardSolver.restore">restore</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.run" href="base.html#audiocraft.solvers.base.StandardSolver.run">run</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.run_epoch" href="base.html#audiocraft.solvers.base.StandardSolver.run_epoch">run_epoch</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.run_one_stage" href="base.html#audiocraft.solvers.base.StandardSolver.run_one_stage">run_one_stage</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.run_step" href="base.html#audiocraft.solvers.base.StandardSolver.run_step">run_step</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.save_checkpoints" href="base.html#audiocraft.solvers.base.StandardSolver.save_checkpoints">save_checkpoints</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.should_run_stage" href="base.html#audiocraft.solvers.base.StandardSolver.should_run_stage">should_run_stage</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.should_stop_training" href="base.html#audiocraft.solvers.base.StandardSolver.should_stop_training">should_stop_training</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.show" href="musicgen.html#audiocraft.solvers.musicgen.MusicGenSolver.show">show</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.train" href="base.html#audiocraft.solvers.base.StandardSolver.train">train</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.update_best_state_from_stage" href="base.html#audiocraft.solvers.base.StandardSolver.update_best_state_from_stage">update_best_state_from_stage</a></code></li>
<li><code><a title="audiocraft.solvers.musicgen.MusicGenSolver.valid" href="base.html#audiocraft.solvers.base.StandardSolver.valid">valid</a></code></li>
</ul>
</li>
</ul>
</dd>
</dl>
</section>
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